change the directory structurejarred/rename

302 files changed, 0 insertions, 43040 deletions

diff --git a/src/javascript/jsc/bindings/webcore/AbortAlgorithm.h b/src/javascript/jsc/bindings/webcore/AbortAlgorithm.h
deleted file mode 100644
index 26dd666b4..000000000
--- a/src/javascript/jsc/bindings/webcore/AbortAlgorithm.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ActiveDOMCallback.h"
-#include "CallbackResult.h"
-#include <wtf/ThreadSafeRefCounted.h>
-
-namespace WebCore {
-
-class AbortAlgorithm : public ThreadSafeRefCounted<AbortAlgorithm>, public ActiveDOMCallback {
-public:
-    using ActiveDOMCallback::ActiveDOMCallback;
-
-    virtual CallbackResult<void> handleEvent() = 0;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/AbortAlgorithm.idl b/src/javascript/jsc/bindings/webcore/AbortAlgorithm.idl
deleted file mode 100644
index a28c77856..000000000
--- a/src/javascript/jsc/bindings/webcore/AbortAlgorithm.idl
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-callback AbortAlgorithm = undefined ();
diff --git a/src/javascript/jsc/bindings/webcore/AbortController.cpp b/src/javascript/jsc/bindings/webcore/AbortController.cpp
deleted file mode 100644
index 8e419971a..000000000
--- a/src/javascript/jsc/bindings/webcore/AbortController.cpp
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "AbortController.h"
-
-#include "AbortSignal.h"
-#include "DOMException.h"
-#include "JSDOMException.h"
-// #include <wtf/IsoMallocInlines.h>
-
-namespace WebCore {
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(AbortController);
-
-Ref<AbortController> AbortController::create(ScriptExecutionContext& context)
-{
-    return adoptRef(*new AbortController(context));
-}
-
-AbortController::AbortController(ScriptExecutionContext& context)
-    : m_signal(AbortSignal::create(&context))
-{
-}
-
-AbortController::~AbortController() = default;
-
-AbortSignal& AbortController::signal()
-{
-    return m_signal.get();
-}
-
-void AbortController::abort(JSDOMGlobalObject& globalObject, JSC::JSValue reason)
-{
-    ASSERT(reason);
-    if (reason.isUndefined())
-        reason = toJS(&globalObject, &globalObject, DOMException::create(AbortError));
-
-    m_signal->signalAbort(reason);
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/AbortController.h b/src/javascript/jsc/bindings/webcore/AbortController.h
deleted file mode 100644
index f7bf96f25..000000000
--- a/src/javascript/jsc/bindings/webcore/AbortController.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "root.h"
-
-#include "ZigGlobalObject.h"
-
-#include "ScriptWrappable.h"
-#include <wtf/Ref.h>
-#include <wtf/RefCounted.h>
-
-namespace JSC {
-class JSValue;
-}
-
-namespace Zig {
-class GlobalObject;
-}
-
-namespace WebCore {
-
-class AbortSignal;
-
-class ScriptExecutionContext;
-
-class AbortController final : public ScriptWrappable, public RefCounted<AbortController> {
-    WTF_MAKE_ISO_ALLOCATED(AbortController);
-
-public:
-    static Ref<AbortController> create(ScriptExecutionContext&);
-    ~AbortController();
-
-    AbortSignal& signal();
-    void abort(Zig::GlobalObject&, JSC::JSValue reason);
-
-private:
-    explicit AbortController(ScriptExecutionContext&);
-
-    Ref<AbortSignal> m_signal;
-};
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/AbortController.idl b/src/javascript/jsc/bindings/webcore/AbortController.idl
deleted file mode 100644
index 0d011e205..000000000
--- a/src/javascript/jsc/bindings/webcore/AbortController.idl
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    Exposed=*,
-    GenerateAddOpaqueRoot=signal
-] interface AbortController {
-    [CallWith=CurrentScriptExecutionContext] constructor();
-
-    [SameObject] readonly attribute AbortSignal signal;
-
-    [CallWith=CurrentGlobalObject] undefined abort(optional any reason);
-};
diff --git a/src/javascript/jsc/bindings/webcore/AbortSignal.cpp b/src/javascript/jsc/bindings/webcore/AbortSignal.cpp
deleted file mode 100644
index 8554b3b83..000000000
--- a/src/javascript/jsc/bindings/webcore/AbortSignal.cpp
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright (C) 2017-2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "AbortSignal.h"
-
-#include "AbortAlgorithm.h"
-#include "DOMException.h"
-// #include "DOMTimer.h"
-#include "Event.h"
-#include "EventNames.h"
-#include "JSDOMException.h"
-#include "ScriptExecutionContext.h"
-#include <JavaScriptCore/Exception.h>
-#include <JavaScriptCore/JSCast.h>
-// #include <wtf/IsoMallocInlines.h>
-
-namespace WebCore {
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(AbortSignal);
-
-Ref<AbortSignal> AbortSignal::create(ScriptExecutionContext* context)
-{
-    return adoptRef(*new AbortSignal(context));
-}
-
-// https://dom.spec.whatwg.org/#dom-abortsignal-abort
-Ref<AbortSignal> AbortSignal::abort(JSDOMGlobalObject& globalObject, ScriptExecutionContext& context, JSC::JSValue reason)
-{
-    ASSERT(reason);
-    if (reason.isUndefined())
-        reason = toJS(&globalObject, &globalObject, DOMException::create(AbortError));
-    return adoptRef(*new AbortSignal(&context, Aborted::Yes, reason));
-}
-
-// https://dom.spec.whatwg.org/#dom-abortsignal-timeout
-Ref<AbortSignal> AbortSignal::timeout(ScriptExecutionContext& context, uint64_t milliseconds)
-{
-    auto signal = adoptRef(*new AbortSignal(&context));
-    // signal->setHasActiveTimeoutTimer(true);
-    // auto action = [signal](ScriptExecutionContext& context) mutable {
-    //     signal->setHasActiveTimeoutTimer(false);
-
-    //     auto* globalObject = JSC::jsCast<JSDOMGlobalObject*>(context.globalObject());
-    //     if (!globalObject)
-    //         return;
-
-    //     auto& vm = globalObject->vm();
-    //     Locker locker { vm.apiLock() };
-    //     signal->signalAbort(toJS(globalObject, globalObject, DOMException::create(TimeoutError)));
-    // };
-    // DOMTimer::install(context, WTFMove(action), Seconds::fromMilliseconds(milliseconds), true);
-    return signal;
-}
-
-AbortSignal::AbortSignal(ScriptExecutionContext* context, Aborted aborted, JSC::JSValue reason)
-    : ContextDestructionObserver(context)
-    , m_aborted(aborted == Aborted::Yes)
-    , m_reason(reason)
-{
-    ASSERT(reason);
-}
-
-AbortSignal::~AbortSignal() = default;
-
-// https://dom.spec.whatwg.org/#abortsignal-signal-abort
-void AbortSignal::signalAbort(JSC::JSValue reason)
-{
-    // 1. If signal's aborted flag is set, then return.
-    if (m_aborted)
-        return;
-
-    // 2. Set signal’s aborted flag.
-    m_aborted = true;
-
-    // FIXME: This code is wrong: we should emit a write-barrier. Otherwise, GC can collect it.
-    // https://bugs.webkit.org/show_bug.cgi?id=236353
-    ASSERT(reason);
-    m_reason.setWeakly(reason);
-
-    Ref protectedThis { *this };
-    auto algorithms = std::exchange(m_algorithms, {});
-    for (auto& algorithm : algorithms)
-        algorithm();
-
-    // 5. Fire an event named abort at signal.
-    dispatchEvent(Event::create(eventNames().abortEvent, Event::CanBubble::No, Event::IsCancelable::No));
-}
-
-// https://dom.spec.whatwg.org/#abortsignal-follow
-void AbortSignal::signalFollow(AbortSignal& signal)
-{
-    if (aborted())
-        return;
-
-    if (signal.aborted()) {
-        signalAbort(signal.reason().getValue());
-        return;
-    }
-
-    ASSERT(!m_followingSignal);
-    m_followingSignal = signal;
-    signal.addAlgorithm([weakThis = WeakPtr { this }] {
-        if (weakThis)
-            weakThis->signalAbort(weakThis->m_followingSignal ? weakThis->m_followingSignal->reason().getValue() : JSC::jsUndefined());
-    });
-}
-
-void AbortSignal::eventListenersDidChange()
-{
-    m_hasAbortEventListener = hasEventListeners(eventNames().abortEvent);
-}
-
-bool AbortSignal::whenSignalAborted(AbortSignal& signal, Ref<AbortAlgorithm>&& algorithm)
-{
-    if (signal.aborted()) {
-        algorithm->handleEvent();
-        return true;
-    }
-    signal.addAlgorithm([algorithm = WTFMove(algorithm)]() mutable {
-        algorithm->handleEvent();
-    });
-    return false;
-}
-
-void AbortSignal::throwIfAborted(JSC::JSGlobalObject& lexicalGlobalObject)
-{
-    if (!aborted())
-        return;
-
-    auto& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-    throwException(&lexicalGlobalObject, scope, m_reason.getValue());
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/AbortSignal.h b/src/javascript/jsc/bindings/webcore/AbortSignal.h
deleted file mode 100644
index 24f893f22..000000000
--- a/src/javascript/jsc/bindings/webcore/AbortSignal.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright (C) 2017-2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ContextDestructionObserver.h"
-#include "EventTarget.h"
-// #include "JSDOMPromiseDeferred.h"
-#include "JSValueInWrappedObject.h"
-#include <wtf/Function.h>
-#include <wtf/Ref.h>
-#include <wtf/RefCounted.h>
-#include <wtf/WeakPtr.h>
-
-namespace WebCore {
-
-class AbortAlgorithm;
-class ScriptExecutionContext;
-
-class AbortSignal final : public RefCounted<AbortSignal>, public EventTargetWithInlineData, private ContextDestructionObserver {
-    WTF_MAKE_ISO_ALLOCATED_EXPORT(AbortSignal, WEBCORE_EXPORT);
-
-public:
-    static Ref<AbortSignal> create(ScriptExecutionContext*);
-    WEBCORE_EXPORT ~AbortSignal();
-
-    static Ref<AbortSignal> abort(JSDOMGlobalObject&, ScriptExecutionContext&, JSC::JSValue reason);
-    static Ref<AbortSignal> timeout(ScriptExecutionContext&, uint64_t milliseconds);
-
-    static bool whenSignalAborted(AbortSignal&, Ref<AbortAlgorithm>&&);
-
-    void signalAbort(JSC::JSValue reason);
-    void signalFollow(AbortSignal&);
-
-    bool aborted() const { return m_aborted; }
-    const JSValueInWrappedObject& reason() const { return m_reason; }
-
-    bool hasActiveTimeoutTimer() const { return m_hasActiveTimeoutTimer; }
-    bool hasAbortEventListener() const { return m_hasAbortEventListener; }
-
-    using RefCounted::deref;
-    using RefCounted::ref;
-
-    using Algorithm = Function<void()>;
-    void addAlgorithm(Algorithm&& algorithm) { m_algorithms.append(WTFMove(algorithm)); }
-
-    bool isFollowingSignal() const { return !!m_followingSignal; }
-
-    void throwIfAborted(JSC::JSGlobalObject&);
-
-private:
-    enum class Aborted : bool { No,
-        Yes };
-    explicit AbortSignal(ScriptExecutionContext*, Aborted = Aborted::No, JSC::JSValue reason = JSC::jsUndefined());
-
-    void setHasActiveTimeoutTimer(bool hasActiveTimeoutTimer) { m_hasActiveTimeoutTimer = hasActiveTimeoutTimer; }
-
-    // EventTarget.
-    EventTargetInterface eventTargetInterface() const final { return AbortSignalEventTargetInterfaceType; }
-    ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); }
-    void refEventTarget() final { ref(); }
-    void derefEventTarget() final { deref(); }
-    void eventListenersDidChange() final;
-
-    bool m_aborted { false };
-    Vector<Algorithm> m_algorithms;
-    WeakPtr<AbortSignal> m_followingSignal;
-    JSValueInWrappedObject m_reason;
-    bool m_hasActiveTimeoutTimer { false };
-    bool m_hasAbortEventListener { false };
-};
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/AbortSignal.idl b/src/javascript/jsc/bindings/webcore/AbortSignal.idl
deleted file mode 100644
index f81c5b0a2..000000000
--- a/src/javascript/jsc/bindings/webcore/AbortSignal.idl
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (C) 2017-2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    CustomIsReachable,
-    Exposed=*,
-    JSCustomMarkFunction,
-    PrivateIdentifier,
-    PublicIdentifier
-] interface AbortSignal : EventTarget {
-    [PrivateIdentifier] static boolean whenSignalAborted(AbortSignal object, AbortAlgorithm algorithm);
-
-    [NewObject, CallWith=CurrentScriptExecutionContext&CurrentGlobalObject] static AbortSignal abort(optional any reason);
-    [Exposed=(Window, Worker), NewObject, CallWith=CurrentScriptExecutionContext] static AbortSignal timeout([EnforceRange] unsigned long long milliseconds);
-
-    readonly attribute boolean aborted;
-    readonly attribute any reason;
-    [CallWith=CurrentGlobalObject] undefined throwIfAborted();
-
-    attribute EventHandler onabort;
-};
diff --git a/src/javascript/jsc/bindings/webcore/ActiveDOMObject.cpp b/src/javascript/jsc/bindings/webcore/ActiveDOMObject.cpp
deleted file mode 100644
index d2662f8e9..000000000
--- a/src/javascript/jsc/bindings/webcore/ActiveDOMObject.cpp
+++ /dev/null
@@ -1,195 +0,0 @@
-// /*
-//  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
-//  *
-//  * Redistribution and use in source and binary forms, with or without
-//  * modification, are permitted provided that the following conditions
-//  * are met:
-//  * 1. Redistributions of source code must retain the above copyright
-//  *    notice, this list of conditions and the following disclaimer.
-//  * 2. Redistributions in binary form must reproduce the above copyright
-//  *    notice, this list of conditions and the following disclaimer in the
-//  *    documentation and/or other materials provided with the distribution.
-//  *
-//  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
-//  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-//  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-//  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
-//  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-//  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-//  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-//  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
-//  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-//  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-//  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//  *
-//  */
-
-// #include "config.h"
-// #include "ActiveDOMObject.h"
-
-// #include "Document.h"
-// #include "Event.h"
-// #include "EventLoop.h"
-// #include "ScriptExecutionContext.h"
-
-// namespace WebCore {
-
-// static inline ScriptExecutionContext* suitableScriptExecutionContext(ScriptExecutionContext* scriptExecutionContext)
-// {
-//     // For detached documents, make sure we observe their context document instead.
-//     // return is<Document>(scriptExecutionContext) ? &downcast<Document>(*scriptExecutionContext).contextDocument() : scriptExecutionContext;
-//     return scriptExecutionContext;
-// }
-
-// inline ActiveDOMObject::ActiveDOMObject(ScriptExecutionContext* context, CheckedScriptExecutionContextType)
-//     : ContextDestructionObserver(context)
-// {
-//     // ASSERT(!is<Document>(context) || &downcast<Document>(context)->contextDocument() == downcast<Document>(context));
-//     if (!context)
-//         return;
-
-//     ASSERT(context->isContextThread());
-//     context->didCreateActiveDOMObject(*this);
-// }
-
-// ActiveDOMObject::ActiveDOMObject(ScriptExecutionContext* scriptExecutionContext)
-//     : ActiveDOMObject(suitableScriptExecutionContext(scriptExecutionContext), CheckedScriptExecutionContext)
-// {
-// }
-
-// // ActiveDOMObject::ActiveDOMObject(Document* document)
-// //     : ActiveDOMObject(document ? &document->contextDocument() : nullptr, CheckedScriptExecutionContext)
-// // {
-// // }
-
-// // ActiveDOMObject::ActiveDOMObject(Document& document)
-// //     : ActiveDOMObject(&document.contextDocument(), CheckedScriptExecutionContext)
-// // {
-// // }
-
-// ActiveDOMObject::~ActiveDOMObject()
-// {
-//     ASSERT(canCurrentThreadAccessThreadLocalData(m_creationThread));
-
-//     // ActiveDOMObject may be inherited by a sub-class whose life-cycle
-//     // exceeds that of the associated ScriptExecutionContext. In those cases,
-//     // m_scriptExecutionContext would/should have been nullified by
-//     // ContextDestructionObserver::contextDestroyed() (which we implement /
-//     // inherit). Hence, we should ensure that this is not 0 before use it
-//     // here.
-//     auto* context = scriptExecutionContext();
-//     if (!context)
-//         return;
-
-//     ASSERT(m_suspendIfNeededWasCalled);
-//     ASSERT(context->isContextThread());
-//     context->willDestroyActiveDOMObject(*this);
-// }
-
-// void ActiveDOMObject::suspendIfNeeded()
-// {
-// #if ASSERT_ENABLED
-//     ASSERT(!m_suspendIfNeededWasCalled);
-//     m_suspendIfNeededWasCalled = true;
-// #endif
-//     if (auto* context = scriptExecutionContext())
-//         context->suspendActiveDOMObjectIfNeeded(*this);
-// }
-
-// #if ASSERT_ENABLED
-
-// void ActiveDOMObject::assertSuspendIfNeededWasCalled() const
-// {
-//     if (!m_suspendIfNeededWasCalled)
-//         WTFLogAlways("Failed to call suspendIfNeeded() for %s", activeDOMObjectName());
-//     ASSERT(m_suspendIfNeededWasCalled);
-// }
-
-// #endif // ASSERT_ENABLED
-
-// void ActiveDOMObject::suspend(ReasonForSuspension)
-// {
-// }
-
-// void ActiveDOMObject::resume()
-// {
-// }
-
-// void ActiveDOMObject::stop()
-// {
-// }
-
-// bool ActiveDOMObject::isContextStopped() const
-// {
-//     return !scriptExecutionContext() || scriptExecutionContext()->activeDOMObjectsAreStopped();
-// }
-
-// bool ActiveDOMObject::isAllowedToRunScript() const
-// {
-//     return scriptExecutionContext() && !scriptExecutionContext()->activeDOMObjectsAreStopped() && !scriptExecutionContext()->activeDOMObjectsAreSuspended();
-// }
-
-// void ActiveDOMObject::queueTaskInEventLoop(TaskSource source, Function<void()>&& function)
-// {
-//     auto* context = scriptExecutionContext();
-//     if (!context)
-//         return;
-//     context->eventLoop().queueTask(source, WTFMove(function));
-// }
-
-// class ActiveDOMObjectEventDispatchTask : public EventLoopTask {
-// public:
-//     ActiveDOMObjectEventDispatchTask(TaskSource source, EventLoopTaskGroup& group, ActiveDOMObject& object, Function<void()>&& dispatchEvent)
-//         : EventLoopTask(source, group)
-//         , m_object(object)
-//         , m_dispatchEvent(WTFMove(dispatchEvent))
-//     {
-//         ++m_object.m_pendingActivityInstanceCount;
-//     }
-
-//     ~ActiveDOMObjectEventDispatchTask()
-//     {
-//         ASSERT(m_object.m_pendingActivityInstanceCount);
-//         --m_object.m_pendingActivityInstanceCount;
-//     }
-
-//     void execute() final
-//     {
-//         // If this task executes after the script execution context has been stopped, don't
-//         // actually dispatch the event.
-//         if (m_object.isAllowedToRunScript())
-//             m_dispatchEvent();
-//     }
-
-// private:
-//     ActiveDOMObject& m_object;
-//     Function<void()> m_dispatchEvent;
-// };
-
-// void ActiveDOMObject::queueTaskToDispatchEventInternal(EventTarget& target, TaskSource source, Ref<Event>&& event)
-// {
-//     ASSERT(!event->target() || &target == event->target());
-//     auto* context = scriptExecutionContext();
-//     if (!context)
-//         return;
-//     auto& eventLoopTaskGroup = context->eventLoop();
-//     auto task = makeUnique<ActiveDOMObjectEventDispatchTask>(source, eventLoopTaskGroup, *this, [target = Ref { target }, event = WTFMove(event)] {
-//         target->dispatchEvent(event);
-//     });
-//     eventLoopTaskGroup.queueTask(WTFMove(task));
-// }
-
-// void ActiveDOMObject::queueCancellableTaskToDispatchEventInternal(EventTarget& target, TaskSource source, TaskCancellationGroup& cancellationGroup, Ref<Event>&& event)
-// {
-//     ASSERT(!event->target() || &target == event->target());
-//     auto* context = scriptExecutionContext();
-//     if (!context)
-//         return;
-//     auto& eventLoopTaskGroup = context->eventLoop();
-//     auto task = makeUnique<ActiveDOMObjectEventDispatchTask>(source, eventLoopTaskGroup, *this, CancellableTask(cancellationGroup, [target = Ref { target }, event = WTFMove(event)] {
-//         target->dispatchEvent(event);
-//     }));
-//     eventLoopTaskGroup.queueTask(WTFMove(task));
-// }
-
-// } // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ActiveDOMObject.h b/src/javascript/jsc/bindings/webcore/ActiveDOMObject.h
deleted file mode 100644
index e483a46b7..000000000
--- a/src/javascript/jsc/bindings/webcore/ActiveDOMObject.h
+++ /dev/null
@@ -1,170 +0,0 @@
-// /*
-//  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
-//  *
-//  * Redistribution and use in source and binary forms, with or without
-//  * modification, are permitted provided that the following conditions
-//  * are met:
-//  * 1. Redistributions of source code must retain the above copyright
-//  *    notice, this list of conditions and the following disclaimer.
-//  * 2. Redistributions in binary form must reproduce the above copyright
-//  *    notice, this list of conditions and the following disclaimer in the
-//  *    documentation and/or other materials provided with the distribution.
-//  *
-//  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
-//  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-//  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-//  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
-//  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-//  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-//  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-//  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
-//  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-//  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-//  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//  *
-//  */
-
-// #pragma once
-
-// #include "ContextDestructionObserver.h"
-// #include "TaskSource.h"
-// #include <wtf/Assertions.h>
-// #include <wtf/CancellableTask.h>
-// #include <wtf/Forward.h>
-// #include <wtf/Function.h>
-// #include <wtf/RefCounted.h>
-// #include <wtf/Threading.h>
-
-// namespace WebCore {
-
-// class Document;
-// class Event;
-// class EventLoopTaskGroup;
-// class EventTarget;
-
-// enum class ReasonForSuspension {
-//     JavaScriptDebuggerPaused,
-//     WillDeferLoading,
-//     BackForwardCache,
-//     PageWillBeSuspended,
-// };
-
-// class WEBCORE_EXPORT ActiveDOMObject : public ContextDestructionObserver {
-// public:
-//     // The suspendIfNeeded must be called exactly once after object construction to update
-//     // the suspended state to match that of the ScriptExecutionContext.
-//     void suspendIfNeeded();
-//     void assertSuspendIfNeededWasCalled() const;
-
-//     // This function is used by JS bindings to determine if the JS wrapper should be kept alive or not.
-//     bool hasPendingActivity() const { return m_pendingActivityInstanceCount || virtualHasPendingActivity(); }
-
-//     // However, the suspend function will sometimes be called even if canSuspendForDocumentSuspension() returns false.
-//     // That happens in step-by-step JS debugging for example - in this case it would be incorrect
-//     // to stop the object. Exact semantics of suspend is up to the object in cases like that.
-
-//     virtual const char* activeDOMObjectName() const = 0;
-
-//     // These functions must not have a side effect of creating or destroying
-//     // any ActiveDOMObject. That means they must not result in calls to arbitrary JavaScript.
-//     virtual void suspend(ReasonForSuspension);
-//     virtual void resume();
-
-//     // This function must not have a side effect of creating an ActiveDOMObject.
-//     // That means it must not result in calls to arbitrary JavaScript.
-//     // It can, however, have a side effect of deleting an ActiveDOMObject.
-//     virtual void stop();
-
-//     template<class T>
-//     class PendingActivity : public RefCounted<PendingActivity<T>> {
-//     public:
-//         explicit PendingActivity(T& thisObject)
-//             : m_thisObject(thisObject)
-//         {
-//             ++(m_thisObject->m_pendingActivityInstanceCount);
-//         }
-
-//         ~PendingActivity()
-//         {
-//             ASSERT(m_thisObject->m_pendingActivityInstanceCount > 0);
-//             --(m_thisObject->m_pendingActivityInstanceCount);
-//         }
-
-//     private:
-//         Ref<T> m_thisObject;
-//     };
-
-//     template<class T> Ref<PendingActivity<T>> makePendingActivity(T& thisObject)
-//     {
-//         ASSERT(&thisObject == this);
-//         return adoptRef(*new PendingActivity<T>(thisObject));
-//     }
-
-//     bool isContextStopped() const;
-//     bool isAllowedToRunScript() const;
-
-//     template<typename T>
-//     static void queueTaskKeepingObjectAlive(T& object, TaskSource source, Function<void ()>&& task)
-//     {
-//         object.queueTaskInEventLoop(source, [protectedObject = Ref { object }, activity = object.ActiveDOMObject::makePendingActivity(object), task = WTFMove(task)] () {
-//             task();
-//         });
-//     }
-
-//     template<typename T>
-//     static void queueCancellableTaskKeepingObjectAlive(T& object, TaskSource source, TaskCancellationGroup& cancellationGroup, Function<void()>&& task)
-//     {
-//         CancellableTask cancellableTask(cancellationGroup, WTFMove(task));
-//         object.queueTaskInEventLoop(source, [protectedObject = Ref { object }, activity = object.ActiveDOMObject::makePendingActivity(object), cancellableTask = WTFMove(cancellableTask)]() mutable {
-//             cancellableTask();
-//         });
-//     }
-
-//     template<typename EventTargetType>
-//     static void queueTaskToDispatchEvent(EventTargetType& target, TaskSource source, Ref<Event>&& event)
-//     {
-//         target.queueTaskToDispatchEventInternal(target, source, WTFMove(event));
-//     }
-
-//     template<typename EventTargetType>
-//     static void queueCancellableTaskToDispatchEvent(EventTargetType& target, TaskSource source, TaskCancellationGroup& cancellationGroup, Ref<Event>&& event)
-//     {
-//         target.queueCancellableTaskToDispatchEventInternal(target, source, cancellationGroup, WTFMove(event));
-//     }
-
-// protected:
-//     explicit ActiveDOMObject(ScriptExecutionContext*);
-//     explicit ActiveDOMObject(Document*);
-//     explicit ActiveDOMObject(Document&);
-//     virtual ~ActiveDOMObject();
-
-// private:
-//     enum CheckedScriptExecutionContextType { CheckedScriptExecutionContext };
-//     ActiveDOMObject(ScriptExecutionContext*, CheckedScriptExecutionContextType);
-
-//     // This is used by subclasses to indicate that they have pending activity, meaning that they would
-//     // like the JS wrapper to stay alive (because they may still fire JS events).
-//     virtual bool virtualHasPendingActivity() const { return false; }
-
-//     void queueTaskInEventLoop(TaskSource, Function<void ()>&&);
-//     void queueTaskToDispatchEventInternal(EventTarget&, TaskSource, Ref<Event>&&);
-//     void queueCancellableTaskToDispatchEventInternal(EventTarget&, TaskSource, TaskCancellationGroup&, Ref<Event>&&);
-
-//     uint64_t m_pendingActivityInstanceCount { 0 };
-// #if ASSERT_ENABLED
-//     bool m_suspendIfNeededWasCalled { false };
-//     Ref<Thread> m_creationThread { Thread::current() };
-// #endif
-
-//     friend class ActiveDOMObjectEventDispatchTask;
-// };
-
-// #if !ASSERT_ENABLED
-
-// inline void ActiveDOMObject::assertSuspendIfNeededWasCalled() const
-// {
-// }
-
-// #endif
-
-// } // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/AddEventListenerOptions.h b/src/javascript/jsc/bindings/webcore/AddEventListenerOptions.h
deleted file mode 100644
index 79128ee15..000000000
--- a/src/javascript/jsc/bindings/webcore/AddEventListenerOptions.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2016-2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "AbortSignal.h"
-#include "EventListenerOptions.h"
-#include <optional>
-
-namespace WebCore {
-
-struct AddEventListenerOptions : EventListenerOptions {
-    AddEventListenerOptions(bool capture = false, std::optional<bool> passive = std::nullopt, bool once = false, RefPtr<AbortSignal>&& signal = nullptr)
-        : EventListenerOptions(capture)
-        , passive(passive)
-        , once(once)
-        , signal(WTFMove(signal))
-    {
-    }
-
-    std::optional<bool> passive;
-    bool once { false };
-    RefPtr<AbortSignal> signal;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/BufferSource.h b/src/javascript/jsc/bindings/webcore/BufferSource.h
deleted file mode 100644
index ee78e38d1..000000000
--- a/src/javascript/jsc/bindings/webcore/BufferSource.h
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2016 Igalia S.L.
- * Copyright (C) 2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JavaScriptCore/ArrayBuffer.h"
-#include "JavaScriptCore/ArrayBufferView.h"
-#include "wtf/RefPtr.h"
-#include <variant>
-
-namespace WebCore {
-
-class BufferSource {
-public:
-    using VariantType = std::variant<RefPtr<JSC::ArrayBufferView>, RefPtr<JSC::ArrayBuffer>>;
-
-    BufferSource() {}
-    BufferSource(VariantType&& variant)
-        : m_variant(WTFMove(variant))
-    {
-    }
-
-    const VariantType& variant() const { return m_variant; }
-
-    const uint8_t* data() const
-    {
-        return std::visit([](auto& buffer) -> const uint8_t* {
-            return buffer ? static_cast<const uint8_t*>(buffer->data()) : nullptr;
-        },
-            m_variant);
-    }
-
-    void* mutableData() const
-    {
-        return std::visit([](auto& buffer) -> void* {
-            return buffer->data();
-        },
-            m_variant);
-    }
-
-    size_t length() const
-    {
-        return std::visit([](auto& buffer) -> size_t {
-            return buffer ? buffer->byteLength() : 0;
-        },
-            m_variant);
-    }
-
-    template<class Encoder> void encode(Encoder&) const;
-    template<class Decoder> static std::optional<BufferSource> decode(Decoder&);
-
-private:
-    VariantType m_variant;
-};
-
-template<class Encoder>
-void BufferSource::encode(Encoder& encoder) const
-{
-    encoder << static_cast<uint64_t>(length());
-    if (!length())
-        return;
-
-    encoder.encodeFixedLengthData(data(), length() * sizeof(uint8_t), alignof(uint8_t));
-}
-
-template<class Decoder>
-std::optional<BufferSource> BufferSource::decode(Decoder& decoder)
-{
-    std::optional<uint64_t> size;
-    decoder >> size;
-    if (!size)
-        return std::nullopt;
-    if (!*size)
-        return BufferSource();
-
-    auto dataSize = CheckedSize { *size };
-    if (UNLIKELY(dataSize.hasOverflowed()))
-        return std::nullopt;
-
-    const uint8_t* data = decoder.decodeFixedLengthReference(dataSize, alignof(uint8_t));
-    if (!data)
-        return std::nullopt;
-    return BufferSource(JSC::ArrayBuffer::tryCreate(static_cast<const void*>(data), dataSize.value()));
-}
-
-inline BufferSource toBufferSource(const uint8_t* data, size_t length)
-{
-    return BufferSource(JSC::ArrayBuffer::tryCreate(data, length));
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/CallbackResult.h b/src/javascript/jsc/bindings/webcore/CallbackResult.h
deleted file mode 100644
index 878fe4221..000000000
--- a/src/javascript/jsc/bindings/webcore/CallbackResult.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <wtf/Expected.h>
-
-namespace WebCore {
-
-enum class CallbackResultType {
-    Success,
-    ExceptionThrown,
-    UnableToExecute
-};
-
-template<typename ReturnType> class CallbackResult {
-public:
-    CallbackResult(CallbackResultType);
-    CallbackResult(ReturnType&&);
-
-    CallbackResultType type() const;
-    ReturnType&& releaseReturnValue();
-
-private:
-    Expected<ReturnType, CallbackResultType> m_value;
-};
-
-template<> class CallbackResult<void> {
-public:
-    CallbackResult() = default;
-    CallbackResult(CallbackResultType);
-
-    CallbackResultType type() const;
-
-private:
-    CallbackResultType m_type = CallbackResultType::Success;
-};
-
-
-template<typename ReturnType> inline CallbackResult<ReturnType>::CallbackResult(CallbackResultType type)
-    : m_value(makeUnexpected(type))
-{
-}
-
-template<typename ReturnType> inline CallbackResult<ReturnType>::CallbackResult(ReturnType&& returnValue)
-    : m_value(WTFMove(returnValue))
-{
-}
-
-template<typename ReturnType> inline CallbackResultType CallbackResult<ReturnType>::type() const
-{
-    return m_value.has_value() ? CallbackResultType::Success : m_value.error();
-}
-
-template<typename ReturnType> inline auto CallbackResult<ReturnType>::releaseReturnValue() -> ReturnType&&
-{
-    ASSERT(m_value.has_value());
-    return WTFMove(m_value.value());
-}
-
-
-// Void specialization
-
-inline CallbackResult<void>::CallbackResult(CallbackResultType type)
-    : m_type(type)
-{
-}
-
-inline CallbackResultType CallbackResult<void>::type() const
-{
-    return m_type;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/CloseEvent.cpp b/src/javascript/jsc/bindings/webcore/CloseEvent.cpp
deleted file mode 100644
index 7d0522adb..000000000
--- a/src/javascript/jsc/bindings/webcore/CloseEvent.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2019 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "root.h"
-#include "CloseEvent.h"
-
-// #include <wtf/IsoMallocInlines.h>
-
-namespace WebCore {
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(CloseEvent);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/CloseEvent.h b/src/javascript/jsc/bindings/webcore/CloseEvent.h
deleted file mode 100644
index 6681727f6..000000000
--- a/src/javascript/jsc/bindings/webcore/CloseEvent.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "root.h"
-#include "Event.h"
-#include "EventNames.h"
-
-namespace WebCore {
-
-class CloseEvent final : public Event {
-    WTF_MAKE_ISO_ALLOCATED(CloseEvent);
-
-public:
-    static Ref<CloseEvent> create(bool wasClean, unsigned short code, const String& reason)
-    {
-        return adoptRef(*new CloseEvent(wasClean, code, reason));
-    }
-
-    struct Init : EventInit {
-        bool wasClean { false };
-        unsigned short code { 0 };
-        String reason;
-    };
-
-    static Ref<CloseEvent> create(const AtomString& type, const Init& initializer, IsTrusted isTrusted = IsTrusted::No)
-    {
-        return adoptRef(*new CloseEvent(type, initializer, isTrusted));
-    }
-
-    bool wasClean() const { return m_wasClean; }
-    unsigned short code() const { return m_code; }
-    String reason() const { return m_reason; }
-
-    // Event function.
-    EventInterface eventInterface() const override { return CloseEventInterfaceType; }
-
-private:
-    CloseEvent(bool wasClean, int code, const String& reason)
-        : Event(eventNames().closeEvent, CanBubble::No, IsCancelable::No)
-        , m_wasClean(wasClean)
-        , m_code(code)
-        , m_reason(reason)
-    {
-    }
-
-    CloseEvent(const AtomString& type, const Init& initializer, IsTrusted isTrusted)
-        : Event(type, initializer, isTrusted)
-        , m_wasClean(initializer.wasClean)
-        , m_code(initializer.code)
-        , m_reason(initializer.reason)
-    {
-    }
-
-    bool m_wasClean;
-    unsigned short m_code;
-    String m_reason;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/CloseEvent.idl b/src/javascript/jsc/bindings/webcore/CloseEvent.idl
deleted file mode 100644
index acb852e46..000000000
--- a/src/javascript/jsc/bindings/webcore/CloseEvent.idl
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    Exposed=(Window,Worker),
-] interface CloseEvent : Event {
-    constructor([AtomString] DOMString type, optional CloseEventInit eventInitDict);
-
-    readonly attribute boolean wasClean;
-    readonly attribute unsigned short code;
-    readonly attribute USVString reason;
-};
-
-dictionary CloseEventInit : EventInit {
-    boolean wasClean = false;
-    unsigned short code = 0;
-    USVString reason = "";
-};
diff --git a/src/javascript/jsc/bindings/webcore/CommonAtomStrings.cpp b/src/javascript/jsc/bindings/webcore/CommonAtomStrings.cpp
deleted file mode 100644
index 57cdc3d24..000000000
--- a/src/javascript/jsc/bindings/webcore/CommonAtomStrings.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (C) 2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "CommonAtomStrings.h"
-
-namespace WebCore {
-
-#define DEFINE_COMMON_ATOM(atomName, atomValue) \
-    MainThreadLazyNeverDestroyed<const AtomString> atomName ## AtomData;
-#define INITIALIZE_COMMON_ATOM(atomName, atomValue) \
-    atomName ## AtomData.constructWithoutAccessCheck(atomValue ## _s);
-
-WEBCORE_COMMON_ATOM_STRINGS_FOR_EACH_KEYWORD(DEFINE_COMMON_ATOM)
-
-void initializeCommonAtomStrings()
-{
-    // Initialization is not thread safe, so this function must be called from the main thread first.
-    ASSERT(isUIThread());
-
-    static std::once_flag initializeKey;
-    std::call_once(initializeKey, [] {
-        WEBCORE_COMMON_ATOM_STRINGS_FOR_EACH_KEYWORD(INITIALIZE_COMMON_ATOM)
-    });
-}
-
-#undef DEFINE_COMMON_ATOM
-#undef INITIALIZE_COMMON_ATOM
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/CommonAtomStrings.h b/src/javascript/jsc/bindings/webcore/CommonAtomStrings.h
deleted file mode 100644
index 0385f8222..000000000
--- a/src/javascript/jsc/bindings/webcore/CommonAtomStrings.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <wtf/NeverDestroyed.h>
-#include <wtf/text/AtomString.h>
-
-namespace WebCore {
-
-#define WEBCORE_COMMON_ATOM_STRINGS_FOR_EACH_KEYWORD(macro) \
-    macro(alternative, "alternative") \
-    macro(auto, "auto") \
-    macro(captions, "captions") \
-    macro(commentary, "commentary") \
-    macro(cssContentType, "text/css") \
-    macro(eager, "eager") \
-    macro(email, "email") \
-    macro(false, "false") \
-    macro(lazy, "lazy") \
-    macro(main, "main") \
-    macro(none, "none") \
-    macro(off, "off") \
-    macro(on, "on") \
-    macro(plaintextOnly, "plaintext-only") \
-    macro(reset, "reset") \
-    macro(search, "search") \
-    macro(star, "*") \
-    macro(submit, "submit") \
-    macro(subtitles, "subtitles") \
-    macro(tel, "tel") \
-    macro(text, "text") \
-    macro(textPlainContentType, "text/plain") \
-    macro(true, "true") \
-    macro(url, "url") \
-    macro(xml, "xml") \
-    macro(xmlns, "xmlns")
-
-
-#define DECLARE_COMMON_ATOM(atomName, atomValue) \
-    extern MainThreadLazyNeverDestroyed<const AtomString> atomName ## AtomData; \
-    inline const AtomString& atomName ## Atom() { return atomName ## AtomData.get(); }
-
-WEBCORE_COMMON_ATOM_STRINGS_FOR_EACH_KEYWORD(DECLARE_COMMON_ATOM)
-
-#undef DECLARE_COMMON_ATOM
-
-WEBCORE_EXPORT void initializeCommonAtomStrings();
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ContextDestructionObserver.h b/src/javascript/jsc/bindings/webcore/ContextDestructionObserver.h
deleted file mode 100644
index ccf20f301..000000000
--- a/src/javascript/jsc/bindings/webcore/ContextDestructionObserver.h
+++ /dev/null
@@ -1,33 +0,0 @@
-
-
-#pragma once
-
-#include "root.h"
-
-#include "ScriptExecutionContext.h"
-
-namespace WebCore {
-
-// TODO:
-class ContextDestructionObserver {
-
-public:
-    WEBCORE_EXPORT void contextDestroyed() {}
-
-    ScriptExecutionContext* scriptExecutionContext() const { return m_context; }
-
-    ContextDestructionObserver(ScriptExecutionContext* context)
-        : m_context(context)
-    {
-    }
-    ContextDestructionObserver(ContextDestructionObserver& context)
-        : m_context(context.m_context)
-    {
-    }
-
-private:
-    int m_junk = 0;
-    ScriptExecutionContext* m_context;
-};
-
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/CustomEvent.cpp b/src/javascript/jsc/bindings/webcore/CustomEvent.cpp
deleted file mode 100644
index 2f17f794b..000000000
--- a/src/javascript/jsc/bindings/webcore/CustomEvent.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
- * Copyright (C) 2011-2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "CustomEvent.h"
-
-#include <JavaScriptCore/JSCInlines.h>
-// #include <wtf/IsoMallocInlines.h>
-
-namespace WebCore {
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(CustomEvent);
-
-inline CustomEvent::CustomEvent(IsTrusted isTrusted)
-    : Event(isTrusted)
-{
-}
-
-inline CustomEvent::CustomEvent(const AtomString& type, const Init& initializer, IsTrusted isTrusted)
-    : Event(type, initializer, isTrusted)
-    , m_detail(initializer.detail)
-{
-}
-
-CustomEvent::~CustomEvent() = default;
-
-Ref<CustomEvent> CustomEvent::create(IsTrusted isTrusted)
-{
-    return adoptRef(*new CustomEvent(isTrusted));
-}
-
-Ref<CustomEvent> CustomEvent::create(const AtomString& type, const Init& initializer, IsTrusted isTrusted)
-{
-    return adoptRef(*new CustomEvent(type, initializer, isTrusted));
-}
-
-void CustomEvent::initCustomEvent(const AtomString& type, bool canBubble, bool cancelable, JSC::JSValue detail)
-{
-    if (isBeingDispatched())
-        return;
-
-    initEvent(type, canBubble, cancelable);
-
-    // FIXME: This code is wrong: we should emit a write-barrier. Otherwise, GC can collect it.
-    // https://bugs.webkit.org/show_bug.cgi?id=236353
-    m_detail.setWeakly(detail);
-    m_cachedDetail.clear();
-}
-
-EventInterface CustomEvent::eventInterface() const
-{
-    return CustomEventInterfaceType;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/CustomEvent.h b/src/javascript/jsc/bindings/webcore/CustomEvent.h
deleted file mode 100644
index 53df6d985..000000000
--- a/src/javascript/jsc/bindings/webcore/CustomEvent.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
- * Copyright (C) 2011-2018 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "root.h"
-#include "Event.h"
-#include "JSValueInWrappedObject.h"
-// #include "SerializedScriptValue.h"
-
-namespace WebCore {
-
-class CustomEvent final : public Event {
-    WTF_MAKE_ISO_ALLOCATED(CustomEvent);
-
-public:
-    virtual ~CustomEvent();
-
-    static Ref<CustomEvent> create(IsTrusted = IsTrusted::No);
-
-    struct Init : EventInit {
-        JSC::JSValue detail;
-    };
-
-    static Ref<CustomEvent> create(const AtomString& type, const Init&, IsTrusted = IsTrusted::No);
-
-    void initCustomEvent(const AtomString& type, bool canBubble, bool cancelable, JSC::JSValue detail = JSC::JSValue::JSUndefined);
-
-    const JSValueInWrappedObject& detail() const { return m_detail; }
-    JSValueInWrappedObject& cachedDetail() { return m_cachedDetail; }
-
-private:
-    CustomEvent(IsTrusted);
-    CustomEvent(const AtomString& type, const Init& initializer, IsTrusted);
-
-    EventInterface eventInterface() const final;
-
-    JSValueInWrappedObject m_detail;
-    JSValueInWrappedObject m_cachedDetail;
-};
-
-} // namespace WebCore
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/CustomEvent.idl b/src/javascript/jsc/bindings/webcore/CustomEvent.idl
deleted file mode 100644
index 4b48b4335..000000000
--- a/src/javascript/jsc/bindings/webcore/CustomEvent.idl
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
- * Copyright (C) 2011-2018 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-[
-    Exposed=*,
-    JSCustomMarkFunction,
-] interface CustomEvent : Event {
-    constructor(DOMString type, optional CustomEventInit eventInitDict);
-
-    [CustomGetter] readonly attribute any detail;
-
-    undefined initCustomEvent(DOMString type, optional boolean bubbles = false, optional boolean cancelable = false, optional any detail = null);
-};
-
-dictionary CustomEventInit : EventInit {
-    any detail = null;
-};
diff --git a/src/javascript/jsc/bindings/webcore/CustomEventCustom.cpp b/src/javascript/jsc/bindings/webcore/CustomEventCustom.cpp
deleted file mode 100644
index a5da060e3..000000000
--- a/src/javascript/jsc/bindings/webcore/CustomEventCustom.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2015-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSCustomEvent.h"
-
-#include "CustomEvent.h"
-#include "DOMWrapperWorld.h"
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSCJSValue.h>
-#include <JavaScriptCore/Structure.h>
-
-namespace WebCore {
-
-JSC::JSValue JSCustomEvent::detail(JSC::JSGlobalObject& lexicalGlobalObject) const
-{
-    return cachedPropertyValue(lexicalGlobalObject, *this, wrapped().cachedDetail(), [this] {
-        return wrapped().detail().getValue(JSC::jsNull());
-    });
-}
-
-template<typename Visitor>
-void JSCustomEvent::visitAdditionalChildren(Visitor& visitor)
-{
-    wrapped().detail().visit(visitor);
-    wrapped().cachedDetail().visit(visitor);
-}
-
-DEFINE_VISIT_ADDITIONAL_CHILDREN(JSCustomEvent);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/DOMClientIsoSubspaces.h b/src/javascript/jsc/bindings/webcore/DOMClientIsoSubspaces.h
deleted file mode 100644
index b437e5879..000000000
--- a/src/javascript/jsc/bindings/webcore/DOMClientIsoSubspaces.h
+++ /dev/null
@@ -1,884 +0,0 @@
-#pragma once
-
-#include "root.h"
-
-#include "wtf/FastMalloc.h"
-#include "wtf/Noncopyable.h"
-
-namespace WebCore {
-using namespace JSC;
-
-class DOMClientIsoSubspaces {
-    WTF_MAKE_NONCOPYABLE(DOMClientIsoSubspaces);
-    WTF_MAKE_FAST_ALLOCATED(DOMClientIsoSubspaces);
-
-public:
-    DOMClientIsoSubspaces() = default;
-
-    /* --- bun --- */
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBuffer;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFFIFunction;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNapiClass;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNapiPrototype;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForJSSQLStatement;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForJSSQLStatementConstructor;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForJSSinkConstructor;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForJSSinkController;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForJSSink;
-    /* --- bun --- */
-
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMException;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMFormData;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMFormDataIterator;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMURL;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForURLSearchParams;
-
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForURLSearchParamsIterator;
-
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForExposedToWorkerAndWindow;
-
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTouch;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTouchEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTouchList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInternalSettingsGenerated;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPU;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUAdapter;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUBindGroup;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUBindGroupLayout;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUBuffer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUBufferUsage;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUCanvasContext;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUColorWrite;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUCommandBuffer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUCommandEncoder;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUCompilationInfo;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUCompilationMessage;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUComputePassEncoder;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUComputePipeline;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUDevice;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUDeviceLostInfo;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUExternalTexture;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUMapMode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUOutOfMemoryError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUPipelineLayout;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUQuerySet;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUQueue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPURenderBundle;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPURenderBundleEncoder;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPURenderPassEncoder;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPURenderPipeline;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUSampler;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUShaderModule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUShaderStage;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUSupportedFeatures;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUSupportedLimits;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUTexture;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUTextureUsage;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUTextureView;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUUncapturedErrorEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGPUValidationError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebKitPlaybackTargetAvailabilityEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePayCancelEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePayCouponCodeChangedEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePayError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePayPaymentAuthorizedEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePayPaymentMethodSelectedEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePaySession;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePaySetup;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePaySetupFeature;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePayShippingContactSelectedEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePayShippingMethodSelectedEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForApplePayValidateMerchantEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForClipboard;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForClipboardItem;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMCache;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMCacheStorage;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForContactsManager;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBasicCredential;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCredentialsContainer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaKeyMessageEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaKeySession;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaKeyStatusMap;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaKeyStatusMapIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaKeySystemAccess;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaKeys;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebKitMediaKeyMessageEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebKitMediaKeyNeededEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebKitMediaKeySession;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebKitMediaKeys;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMFileSystem;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemDirectoryEntry;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemDirectoryReader;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemEntry;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemFileEntry;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFetchHeaders;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFetchHeadersIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFetchRequest;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFetchResponse;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemDirectoryHandle;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemFileHandle;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemHandle;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemSyncAccessHandle;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGamepad;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGamepadButton;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGamepadEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGeolocation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGeolocationCoordinates;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGeolocationPosition;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGeolocationPositionError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHighlight;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHighlightRegister;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBCursor;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBCursorWithValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBDatabase;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBFactory;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBIndex;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBKeyRange;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBObjectStore;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBOpenDBRequest;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBRequest;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBTransaction;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIDBVersionChangeEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaCapabilities;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaControlsHost;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBlobEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaRecorder;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaRecorderErrorEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaMetadata;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaSession;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaSessionCoordinator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaSource;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSourceBuffer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSourceBufferList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVideoPlaybackQuality;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCanvasCaptureMediaStreamTrack;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaDeviceInfo;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaDevices;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaStream;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaStreamTrack;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaStreamTrackEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOverconstrainedError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOverconstrainedErrorEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCCertificate;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCDTMFSender;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCDTMFToneChangeEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCDataChannel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCDataChannelEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCDtlsTransport;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCEncodedAudioFrame;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCEncodedVideoFrame;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCErrorEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCIceCandidate;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCIceTransport;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCPeerConnection;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCPeerConnectionIceErrorEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCPeerConnectionIceEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCRtpReceiver;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCRtpSFrameTransform;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCRtpSFrameTransformErrorEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCRtpScriptTransform;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCRtpScriptTransformer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCRtpSender;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCRtpTransceiver;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCSctpTransport;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCSessionDescription;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCStatsReport;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCTrackEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRTCTransformEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLModelElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNotification;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNotificationEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMerchantValidationEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPaymentAddress;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPaymentMethodChangeEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPaymentRequest;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPaymentRequestUpdateEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPaymentResponse;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPermissionStatus;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPermissions;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPictureInPictureEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPictureInPictureWindow;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPushEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPushManager;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPushMessageData;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPushSubscription;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPushSubscriptionChangeEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPushSubscriptionOptions;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRemotePlayback;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechRecognition;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechRecognitionAlternative;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechRecognitionErrorEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechRecognitionEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechRecognitionResult;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechRecognitionResultList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechSynthesis;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechSynthesisErrorEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechSynthesisEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechSynthesisUtterance;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSpeechSynthesisVoice;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStorageManager;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForByteLengthQueuingStrategy;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCountQueuingStrategy;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForReadableByteStreamController;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForReadableStream;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForReadableStreamBYOBReader;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForReadableStreamBYOBRequest;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForReadableStreamDefaultController;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForReadableStreamDefaultReader;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForReadableStreamSink;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForReadableStreamSource;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTransformStream;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTransformStreamDefaultController;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWritableStream;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWritableStreamDefaultController;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWritableStreamDefaultWriter;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWritableStreamSink;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebLock;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebLockManager;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAnalyserNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioBuffer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioBufferSourceNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioContext;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioDestinationNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioListener;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioParam;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioParamMap;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioProcessingEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioScheduledSourceNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioWorklet;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioWorkletGlobalScope;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioWorkletNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioWorkletProcessor;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBaseAudioContext;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBiquadFilterNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForChannelMergerNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForChannelSplitterNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForConstantSourceNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForConvolverNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDelayNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDynamicsCompressorNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGainNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIIRFilterNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaElementAudioSourceNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaStreamAudioDestinationNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaStreamAudioSourceNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOfflineAudioCompletionEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOfflineAudioContext;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOscillatorNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPannerNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPeriodicWave;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForScriptProcessorNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStereoPannerNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWaveShaperNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAuthenticatorAssertionResponse;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAuthenticatorAttestationResponse;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAuthenticatorResponse;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPublicKeyCredential;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVideoColorSpace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDatabase;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSQLError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSQLResultSet;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSQLResultSetRowList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSQLTransaction;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCloseEvent;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebSocket;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRBoundedReferenceSpace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRFrame;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRHand;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRHandIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRInputSource;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRInputSourceArray;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRInputSourceArrayIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRJointPose;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRJointSpace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRLayer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRPose;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRReferenceSpace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRRenderState;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRRigidTransform;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRSession;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRSpace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRSystem;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRView;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRViewerPose;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRViewport;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRWebGLLayer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXRInputSourceEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXRInputSourcesChangeEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXRReferenceSpaceEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXRSessionEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAnimationEffect;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAnimationPlaybackEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAnimationTimeline;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSAnimation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSTransition;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCustomEffect;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDocumentTimeline;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForKeyframeEffect;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebAnimation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCryptoKey;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSubtleCrypto;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSConditionRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSCounterStyleRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSFontFaceRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSFontPaletteValuesRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSGroupingRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSImportRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSKeyframeRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSKeyframesRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSLayerBlockRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSLayerStatementRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMediaRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSNamespaceRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSPageRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSPaintSize;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSRuleList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSStyleDeclaration;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSStyleRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSStyleSheet;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSSupportsRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSUnknownRule;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMCSSNamespace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMMatrix;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMMatrixReadOnly;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDeprecatedCSSOMCounter;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDeprecatedCSSOMPrimitiveValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDeprecatedCSSOMRGBColor;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDeprecatedCSSOMRect;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDeprecatedCSSOMValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDeprecatedCSSOMValueList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFontFace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFontFaceSet;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFontFaceSetIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaQueryList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaQueryListEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStyleMedia;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStyleSheet;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStyleSheetList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSKeywordValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSNumericValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSOMVariableReferenceValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSStyleImageValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSStyleValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSUnitValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSUnparsedValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSUnparsedValueIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStylePropertyMap;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStylePropertyMapReadOnly;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMathInvert;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMathMax;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMathMin;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMathNegate;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMathProduct;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMathSum;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMathValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSNumericArray;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSNumericArrayIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSMatrixComponent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSPerspective;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSRotate;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSScale;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSSkew;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSSkewX;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSSkewY;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSTransformComponent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSTransformValue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSTransformValueIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCSSTranslate;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAbstractRange;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAnimationEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAttr;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBeforeUnloadEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBroadcastChannel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCDATASection;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCharacterData;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForClipboardEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForComment;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCompositionEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCustomElementRegistry;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCustomEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMImplementation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMPoint;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMPointReadOnly;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMQuad;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMRect;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMRectList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMRectReadOnly;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMStringList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMStringMap;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDataTransfer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDataTransferItem;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDataTransferItemList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDeviceMotionEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDeviceOrientationEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDocument;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDocumentFragment;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDocumentType;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDragEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFocusEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFormDataEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHashChangeEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIdleDeadline;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInputEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForKeyboardEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMessageChannel;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMessageEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMessagePort;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMouseEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMutationEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMutationObserver;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMutationRecord;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNamedNodeMap;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNode;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNodeIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNodeList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNodeListIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOverflowEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPageTransitionEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPointerEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPopStateEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForProcessingInstruction;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForProgressEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPromiseRejectionEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRange;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSecurityPolicyViolationEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForShadowRoot;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStaticRange;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForText;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextDecoder;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextDecoderStream;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextDecoderStreamDecoder;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextEncoder;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextEncoderStream;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextEncoderStreamEncoder;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTransitionEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTreeWalker;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForUIEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWheelEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXMLDocument;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBlob;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFile;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileReader;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileReaderSync;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMFormData;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMFormDataIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMTokenList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMTokenListIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMURL;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLAllCollection;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLAnchorElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLAreaElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLAttachmentElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLAudioElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLBRElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLBaseElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLBodyElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLButtonElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLCanvasElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLCollection;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLDListElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLDataElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLDataListElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLDetailsElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLDialogElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLDirectoryElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLDivElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLDocument;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLEmbedElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLFieldSetElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLFontElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLFormControlsCollection;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLFormElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLFrameElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLFrameSetElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLHRElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLHeadElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLHeadingElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLHtmlElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLIFrameElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLImageElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLInputElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLLIElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLLabelElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLLegendElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLLinkElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLMapElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLMarqueeElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLMediaElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLMenuElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLMenuItemElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLMetaElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLMeterElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLModElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLOListElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLObjectElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLOptGroupElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLOptionElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLOptionsCollection;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLOutputElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLParagraphElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLParamElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLPictureElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLPreElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLProgressElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLQuoteElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLScriptElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLSelectElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLSlotElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLSourceElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLSpanElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLStyleElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTableCaptionElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTableCellElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTableColElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTableElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTableRowElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTableSectionElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTemplateElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTextAreaElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTimeElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTitleElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLTrackElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLUListElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLUnknownElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHTMLVideoElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForImageBitmap;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForImageData;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaController;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaEncryptedEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMediaError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOffscreenCanvas;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRadioNodeList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSubmitEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextMetrics;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTimeRanges;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForURLSearchParams;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForURLSearchParamsIterator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForValidityState;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebKitMediaKeyError;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForANGLEInstancedArrays;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCanvasGradient;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCanvasPattern;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCanvasRenderingContext2D;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTBlendMinMax;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTColorBufferFloat;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTColorBufferHalfFloat;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTFloatBlend;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTFragDepth;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTShaderTextureLOD;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTTextureCompressionRGTC;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTTextureFilterAnisotropic;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEXTsRGB;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForImageBitmapRenderingContext;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForKHRParallelShaderCompile;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOESElementIndexUint;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOESFBORenderMipmap;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOESStandardDerivatives;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOESTextureFloat;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOESTextureFloatLinear;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOESTextureHalfFloat;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOESTextureHalfFloatLinear;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOESVertexArrayObject;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForOffscreenCanvasRenderingContext2D;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPaintRenderingContext2D;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPath2D;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGL2RenderingContext;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLActiveInfo;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLBuffer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLColorBufferFloat;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLCompressedTextureASTC;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLCompressedTextureATC;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLCompressedTextureETC;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLCompressedTextureETC1;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLCompressedTexturePVRTC;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLCompressedTextureS3TC;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLCompressedTextureS3TCsRGB;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLContextEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLDebugRendererInfo;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLDebugShaders;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLDepthTexture;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLDrawBuffers;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLFramebuffer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLLoseContext;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLMultiDraw;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLProgram;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLQuery;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLRenderbuffer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLRenderingContext;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLSampler;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLShader;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLShaderPrecisionFormat;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLSync;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLTexture;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLTransformFeedback;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLUniformLocation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLVertexArrayObject;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebGLVertexArrayObjectOES;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioTrack;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioTrackConfiguration;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAudioTrackList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDataCue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextTrack;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextTrackCue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextTrackCueGeneric;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextTrackCueList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTextTrackList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTrackEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVTTCue;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVTTRegion;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVTTRegionList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVideoTrack;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVideoTrackConfiguration;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVideoTrackList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCommandLineAPIHost;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInspectorAuditAccessibilityObject;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInspectorAuditDOMObject;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInspectorAuditResourcesObject;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInspectorFrontendHost;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMApplicationCache;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMathMLElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMathMLMathElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForBarProp;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForCrypto;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMSelection;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMWindow;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEventSource;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForHistory;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIntersectionObserver;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForIntersectionObserverEntry;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForLocation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNavigator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformance;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceEntry;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceMark;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceMeasure;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceNavigation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceNavigationTiming;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceObserver;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceObserverEntryList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformancePaintTiming;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceResourceTiming;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceServerTiming;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPerformanceTiming;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForRemoteDOMWindow;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForResizeObserver;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForResizeObserverEntry;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForResizeObserverSize;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForScreen;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForShadowRealmGlobalScope;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForUndoItem;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForUndoManager;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForUserMessageHandler;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForUserMessageHandlersNamespace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForVisualViewport;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebKitNamespace;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebKitPoint;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWorkerNavigator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMMimeType;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMMimeTypeArray;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMPlugin;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMPluginArray;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStorage;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForStorageEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAltGlyphDefElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAltGlyphElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAltGlyphItemElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAngle;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimateColorElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimateElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimateMotionElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimateTransformElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedAngle;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedBoolean;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedEnumeration;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedInteger;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedLength;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedLengthList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedNumber;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedNumberList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedPreserveAspectRatio;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedRect;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedString;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimatedTransformList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGAnimationElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGCircleElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGClipPathElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGComponentTransferFunctionElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGCursorElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGDefsElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGDescElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGEllipseElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEBlendElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEColorMatrixElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEComponentTransferElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFECompositeElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEConvolveMatrixElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEDiffuseLightingElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEDisplacementMapElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEDistantLightElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEDropShadowElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEFloodElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEFuncAElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEFuncBElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEFuncGElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEFuncRElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEGaussianBlurElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEImageElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEMergeElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEMergeNodeElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEMorphologyElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEOffsetElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFEPointLightElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFESpecularLightingElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFESpotLightElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFETileElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFETurbulenceElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFilterElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFontElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFontFaceElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFontFaceFormatElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFontFaceNameElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFontFaceSrcElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGFontFaceUriElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGForeignObjectElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGGElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGGeometryElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGGlyphElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGGlyphRefElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGGradientElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGGraphicsElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGHKernElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGImageElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGLength;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGLengthList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGLineElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGLinearGradientElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGMPathElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGMarkerElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGMaskElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGMatrix;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGMetadataElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGMissingGlyphElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGNumber;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGNumberList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSeg;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegArcAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegArcRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegClosePath;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegCurvetoCubicAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegCurvetoCubicRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegCurvetoCubicSmoothAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegCurvetoCubicSmoothRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegCurvetoQuadraticAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegCurvetoQuadraticRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegCurvetoQuadraticSmoothAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegCurvetoQuadraticSmoothRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegLinetoAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegLinetoHorizontalAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegLinetoHorizontalRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegLinetoRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegLinetoVerticalAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegLinetoVerticalRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegMovetoAbs;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPathSegMovetoRel;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPatternElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPoint;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPointList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPolygonElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPolylineElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGPreserveAspectRatio;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGRadialGradientElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGRect;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGRectElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGRenderingIntent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGSVGElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGScriptElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGSetElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGStopElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGStringList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGStyleElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGSwitchElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGSymbolElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTRefElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTSpanElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTextContentElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTextElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTextPathElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTextPositioningElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTitleElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTransform;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGTransformList;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGUnitTypes;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGUseElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGVKernElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGViewElement;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGViewSpec;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSVGZoomEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForGCObservation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInternalSettings;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInternals;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInternalsMapLike;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForInternalsSetLike;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMallocStatistics;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMemoryInfo;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMockCDMFactory;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMockContentFilterSettings;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMockPageOverlay;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMockPaymentCoordinator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForServiceWorkerInternals;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForTypeConversions;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebFakeXRDevice;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebFakeXRInputController;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWebXRTest;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDedicatedWorkerGlobalScope;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWorker;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWorkerGlobalScope;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWorkerLocation;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForExtendableEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForExtendableMessageEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFetchEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForNavigationPreloadManager;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForServiceWorker;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForServiceWorkerClient;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForServiceWorkerClients;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForServiceWorkerContainer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForServiceWorkerGlobalScope;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForServiceWorkerRegistration;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForServiceWorkerWindowClient;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSharedWorker;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForSharedWorkerGlobalScope;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForPaintWorkletGlobalScope;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWorklet;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForWorkletGlobalScope;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForDOMParser;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXMLHttpRequest;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXMLHttpRequestEventTarget;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXMLHttpRequestProgressEvent;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXMLHttpRequestUpload;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXMLSerializer;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXPathEvaluator;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXPathExpression;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXPathNSResolver;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXPathResult;
-    // std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForXSLTProcessor;
-
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAbortController;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForAbortSignal;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForErrorEvent;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEvent;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEventListener;
-    std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForEventTarget;
-};
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/DOMConstructors.h b/src/javascript/jsc/bindings/webcore/DOMConstructors.h
deleted file mode 100644
index b0219fffc..000000000
--- a/src/javascript/jsc/bindings/webcore/DOMConstructors.h
+++ /dev/null
@@ -1,881 +0,0 @@
-
-#include "wtf/FastMalloc.h"
-#include "wtf/Noncopyable.h"
-
-#pragma once
-
-namespace WebCore {
-
-enum class DOMConstructorID : uint16_t {
-    Touch,
-    TouchEvent,
-    TouchList,
-    InternalSettingsGenerated,
-    GPU,
-    GPUAdapter,
-    GPUBindGroup,
-    GPUBindGroupLayout,
-    GPUBuffer,
-    GPUBufferUsage,
-    GPUCanvasContext,
-    GPUColorWrite,
-    GPUCommandBuffer,
-    GPUCommandEncoder,
-    GPUCompilationInfo,
-    GPUCompilationMessage,
-    GPUComputePassEncoder,
-    GPUComputePipeline,
-    GPUDevice,
-    GPUDeviceLostInfo,
-    GPUExternalTexture,
-    GPUMapMode,
-    GPUOutOfMemoryError,
-    GPUPipelineLayout,
-    GPUQuerySet,
-    GPUQueue,
-    GPURenderBundle,
-    GPURenderBundleEncoder,
-    GPURenderPassEncoder,
-    GPURenderPipeline,
-    GPUSampler,
-    GPUShaderModule,
-    GPUShaderStage,
-    GPUSupportedFeatures,
-    GPUSupportedLimits,
-    GPUTexture,
-    GPUTextureUsage,
-    GPUTextureView,
-    GPUUncapturedErrorEvent,
-    GPUValidationError,
-    WebKitPlaybackTargetAvailabilityEvent,
-    ApplePayCancelEvent,
-    ApplePayCouponCodeChangedEvent,
-    ApplePayError,
-    ApplePayPaymentAuthorizedEvent,
-    ApplePayPaymentMethodSelectedEvent,
-    ApplePaySession,
-    ApplePaySetup,
-    ApplePaySetupFeature,
-    ApplePayShippingContactSelectedEvent,
-    ApplePayShippingMethodSelectedEvent,
-    ApplePayValidateMerchantEvent,
-    Clipboard,
-    ClipboardItem,
-    DOMCache,
-    DOMCacheStorage,
-    ContactsManager,
-    BasicCredential,
-    CredentialsContainer,
-    MediaKeyMessageEvent,
-    MediaKeySession,
-    MediaKeyStatusMap,
-    MediaKeySystemAccess,
-    MediaKeys,
-    WebKitMediaKeyMessageEvent,
-    WebKitMediaKeyNeededEvent,
-    WebKitMediaKeySession,
-    WebKitMediaKeys,
-    DOMFileSystem,
-    FileSystemDirectoryEntry,
-    FileSystemDirectoryReader,
-    FileSystemEntry,
-    FileSystemFileEntry,
-    FetchHeaders,
-    FetchRequest,
-    FetchResponse,
-    FileSystemDirectoryHandle,
-    FileSystemFileHandle,
-    FileSystemHandle,
-    FileSystemSyncAccessHandle,
-    Gamepad,
-    GamepadButton,
-    GamepadEvent,
-    Geolocation,
-    GeolocationCoordinates,
-    GeolocationPosition,
-    GeolocationPositionError,
-    Highlight,
-    HighlightRegister,
-    IDBCursor,
-    IDBCursorWithValue,
-    IDBDatabase,
-    IDBFactory,
-    IDBIndex,
-    IDBKeyRange,
-    IDBObjectStore,
-    IDBOpenDBRequest,
-    IDBRequest,
-    IDBTransaction,
-    IDBVersionChangeEvent,
-    MediaCapabilities,
-    MediaControlsHost,
-    BlobEvent,
-    MediaRecorder,
-    MediaRecorderErrorEvent,
-    MediaMetadata,
-    MediaSession,
-    MediaSessionCoordinator,
-    MediaSource,
-    SourceBuffer,
-    SourceBufferList,
-    VideoPlaybackQuality,
-    CanvasCaptureMediaStreamTrack,
-    MediaDeviceInfo,
-    MediaDevices,
-    MediaStream,
-    MediaStreamTrack,
-    MediaStreamTrackEvent,
-    OverconstrainedError,
-    OverconstrainedErrorEvent,
-    RTCCertificate,
-    RTCDTMFSender,
-    RTCDTMFToneChangeEvent,
-    RTCDataChannel,
-    RTCDataChannelEvent,
-    RTCDtlsTransport,
-    RTCEncodedAudioFrame,
-    RTCEncodedVideoFrame,
-    RTCError,
-    RTCErrorEvent,
-    RTCIceCandidate,
-    RTCIceTransport,
-    RTCPeerConnection,
-    RTCPeerConnectionIceErrorEvent,
-    RTCPeerConnectionIceEvent,
-    RTCRtpReceiver,
-    RTCRtpSFrameTransform,
-    RTCRtpSFrameTransformErrorEvent,
-    RTCRtpScriptTransform,
-    RTCRtpScriptTransformer,
-    RTCRtpSender,
-    RTCRtpTransceiver,
-    RTCSctpTransport,
-    RTCSessionDescription,
-    RTCStatsReport,
-    RTCTrackEvent,
-    RTCTransformEvent,
-    HTMLModelElement,
-    Notification,
-    NotificationEvent,
-    MerchantValidationEvent,
-    PaymentAddress,
-    PaymentMethodChangeEvent,
-    PaymentRequest,
-    PaymentRequestUpdateEvent,
-    PaymentResponse,
-    PermissionStatus,
-    Permissions,
-    PictureInPictureEvent,
-    PictureInPictureWindow,
-    PushEvent,
-    PushManager,
-    PushMessageData,
-    PushSubscription,
-    PushSubscriptionChangeEvent,
-    PushSubscriptionOptions,
-    RemotePlayback,
-    SpeechRecognition,
-    SpeechRecognitionAlternative,
-    SpeechRecognitionErrorEvent,
-    SpeechRecognitionEvent,
-    SpeechRecognitionResult,
-    SpeechRecognitionResultList,
-    SpeechSynthesis,
-    SpeechSynthesisErrorEvent,
-    SpeechSynthesisEvent,
-    SpeechSynthesisUtterance,
-    SpeechSynthesisVoice,
-    StorageManager,
-    ByteLengthQueuingStrategy,
-    CountQueuingStrategy,
-    ReadableByteStreamController,
-    ReadableStream,
-    ReadableStreamBYOBReader,
-    ReadableStreamBYOBRequest,
-    ReadableStreamDefaultController,
-    ReadableStreamDefaultReader,
-    ReadableStreamSink,
-    ReadableStreamSource,
-    TransformStream,
-    TransformStreamDefaultController,
-    WritableStream,
-    WritableStreamDefaultController,
-    WritableStreamDefaultWriter,
-    WritableStreamSink,
-    WebLock,
-    WebLockManager,
-    AnalyserNode,
-    AudioBuffer,
-    AudioBufferSourceNode,
-    AudioContext,
-    AudioDestinationNode,
-    AudioListener,
-    AudioNode,
-    AudioParam,
-    AudioParamMap,
-    AudioProcessingEvent,
-    AudioScheduledSourceNode,
-    AudioWorklet,
-    AudioWorkletGlobalScope,
-    AudioWorkletNode,
-    AudioWorkletProcessor,
-    BaseAudioContext,
-    BiquadFilterNode,
-    ChannelMergerNode,
-    ChannelSplitterNode,
-    ConstantSourceNode,
-    ConvolverNode,
-    DelayNode,
-    DynamicsCompressorNode,
-    GainNode,
-    IIRFilterNode,
-    MediaElementAudioSourceNode,
-    MediaStreamAudioDestinationNode,
-    MediaStreamAudioSourceNode,
-    OfflineAudioCompletionEvent,
-    OfflineAudioContext,
-    OscillatorNode,
-    PannerNode,
-    PeriodicWave,
-    ScriptProcessorNode,
-    StereoPannerNode,
-    WaveShaperNode,
-    AuthenticatorAssertionResponse,
-    AuthenticatorAttestationResponse,
-    AuthenticatorResponse,
-    PublicKeyCredential,
-    VideoColorSpace,
-    Database,
-    SQLError,
-    SQLResultSet,
-    SQLResultSetRowList,
-    SQLTransaction,
-    CloseEvent,
-    WebSocket,
-    WebXRBoundedReferenceSpace,
-    WebXRFrame,
-    WebXRHand,
-    WebXRInputSource,
-    WebXRInputSourceArray,
-    WebXRJointPose,
-    WebXRJointSpace,
-    WebXRLayer,
-    WebXRPose,
-    WebXRReferenceSpace,
-    WebXRRenderState,
-    WebXRRigidTransform,
-    WebXRSession,
-    WebXRSpace,
-    WebXRSystem,
-    WebXRView,
-    WebXRViewerPose,
-    WebXRViewport,
-    WebXRWebGLLayer,
-    XRInputSourceEvent,
-    XRInputSourcesChangeEvent,
-    XRReferenceSpaceEvent,
-    XRSessionEvent,
-    AnimationEffect,
-    AnimationPlaybackEvent,
-    AnimationTimeline,
-    CSSAnimation,
-    CSSTransition,
-    CustomEffect,
-    DocumentTimeline,
-    KeyframeEffect,
-    WebAnimation,
-    CryptoKey,
-    SubtleCrypto,
-    CSSConditionRule,
-    CSSContainerRule,
-    CSSCounterStyleRule,
-    CSSFontFaceRule,
-    CSSFontPaletteValuesRule,
-    CSSGroupingRule,
-    CSSImportRule,
-    CSSKeyframeRule,
-    CSSKeyframesRule,
-    CSSLayerBlockRule,
-    CSSLayerStatementRule,
-    CSSMediaRule,
-    CSSNamespaceRule,
-    CSSPageRule,
-    CSSPaintSize,
-    CSSRule,
-    CSSRuleList,
-    CSSStyleDeclaration,
-    CSSStyleRule,
-    CSSStyleSheet,
-    CSSSupportsRule,
-    CSSUnknownRule,
-    DOMCSSNamespace,
-    DOMMatrix,
-    DOMMatrixReadOnly,
-    DeprecatedCSSOMCounter,
-    DeprecatedCSSOMPrimitiveValue,
-    DeprecatedCSSOMRGBColor,
-    DeprecatedCSSOMRect,
-    DeprecatedCSSOMValue,
-    DeprecatedCSSOMValueList,
-    FontFace,
-    FontFaceSet,
-    MediaList,
-    MediaQueryList,
-    MediaQueryListEvent,
-    StyleMedia,
-    StyleSheet,
-    StyleSheetList,
-    CSSKeywordValue,
-    CSSNumericValue,
-    CSSOMVariableReferenceValue,
-    CSSStyleImageValue,
-    CSSStyleValue,
-    CSSUnitValue,
-    CSSUnparsedValue,
-    StylePropertyMap,
-    StylePropertyMapReadOnly,
-    CSSColor,
-    CSSColorValue,
-    CSSHSL,
-    CSSHWB,
-    CSSLCH,
-    CSSLab,
-    CSSOKLCH,
-    CSSOKLab,
-    CSSRGB,
-    CSSMathInvert,
-    CSSMathMax,
-    CSSMathMin,
-    CSSMathNegate,
-    CSSMathProduct,
-    CSSMathSum,
-    CSSMathValue,
-    CSSNumericArray,
-    CSSMatrixComponent,
-    CSSPerspective,
-    CSSRotate,
-    CSSScale,
-    CSSSkew,
-    CSSSkewX,
-    CSSSkewY,
-    CSSTransformComponent,
-    CSSTransformValue,
-    CSSTranslate,
-    AbortController,
-    AbortSignal,
-    AbstractRange,
-    AnimationEvent,
-    Attr,
-    BeforeUnloadEvent,
-    BroadcastChannel,
-    CDATASection,
-    CharacterData,
-    ClipboardEvent,
-    Comment,
-    CompositionEvent,
-    CustomElementRegistry,
-    CustomEvent,
-    DOMException,
-    DOMImplementation,
-    DOMPoint,
-    DOMPointReadOnly,
-    DOMQuad,
-    DOMRect,
-    DOMRectList,
-    DOMRectReadOnly,
-    DOMStringList,
-    DOMStringMap,
-    DataTransfer,
-    DataTransferItem,
-    DataTransferItemList,
-    DeviceMotionEvent,
-    DeviceOrientationEvent,
-    Document,
-    DocumentFragment,
-    DocumentType,
-    DragEvent,
-    Element,
-    ErrorEvent,
-    Event,
-    EventListener,
-    EventTarget,
-    FocusEvent,
-    FormDataEvent,
-    HashChangeEvent,
-    IdleDeadline,
-    InputEvent,
-    KeyboardEvent,
-    MessageChannel,
-    MessageEvent,
-    MessagePort,
-    MouseEvent,
-    MutationEvent,
-    MutationObserver,
-    MutationRecord,
-    NamedNodeMap,
-    Node,
-    NodeFilter,
-    NodeIterator,
-    NodeList,
-    OverflowEvent,
-    PageTransitionEvent,
-    PointerEvent,
-    PopStateEvent,
-    ProcessingInstruction,
-    ProgressEvent,
-    PromiseRejectionEvent,
-    Range,
-    SecurityPolicyViolationEvent,
-    ShadowRoot,
-    StaticRange,
-    Text,
-    TextDecoder,
-    TextDecoderStream,
-    TextDecoderStreamDecoder,
-    TextEncoder,
-    TextEncoderStream,
-    TextEncoderStreamEncoder,
-    TextEvent,
-    TransitionEvent,
-    TreeWalker,
-    UIEvent,
-    WheelEvent,
-    XMLDocument,
-    Blob,
-    File,
-    FileList,
-    FileReader,
-    FileReaderSync,
-    DOMFormData,
-    DOMTokenList,
-    DOMURL,
-    HTMLAllCollection,
-    HTMLAnchorElement,
-    HTMLAreaElement,
-    HTMLAttachmentElement,
-    HTMLAudioElement,
-    HTMLAudioElementLegacyFactory,
-    HTMLBRElement,
-    HTMLBaseElement,
-    HTMLBodyElement,
-    HTMLButtonElement,
-    HTMLCanvasElement,
-    HTMLCollection,
-    HTMLDListElement,
-    HTMLDataElement,
-    HTMLDataListElement,
-    HTMLDetailsElement,
-    HTMLDialogElement,
-    HTMLDirectoryElement,
-    HTMLDivElement,
-    HTMLDocument,
-    HTMLElement,
-    HTMLEmbedElement,
-    HTMLFieldSetElement,
-    HTMLFontElement,
-    HTMLFormControlsCollection,
-    HTMLFormElement,
-    HTMLFrameElement,
-    HTMLFrameSetElement,
-    HTMLHRElement,
-    HTMLHeadElement,
-    HTMLHeadingElement,
-    HTMLHtmlElement,
-    HTMLIFrameElement,
-    HTMLImageElement,
-    HTMLImageElementLegacyFactory,
-    HTMLInputElement,
-    HTMLLIElement,
-    HTMLLabelElement,
-    HTMLLegendElement,
-    HTMLLinkElement,
-    HTMLMapElement,
-    HTMLMarqueeElement,
-    HTMLMediaElement,
-    HTMLMenuElement,
-    HTMLMenuItemElement,
-    HTMLMetaElement,
-    HTMLMeterElement,
-    HTMLModElement,
-    HTMLOListElement,
-    HTMLObjectElement,
-    HTMLOptGroupElement,
-    HTMLOptionElement,
-    HTMLOptionElementLegacyFactory,
-    HTMLOptionsCollection,
-    HTMLOutputElement,
-    HTMLParagraphElement,
-    HTMLParamElement,
-    HTMLPictureElement,
-    HTMLPreElement,
-    HTMLProgressElement,
-    HTMLQuoteElement,
-    HTMLScriptElement,
-    HTMLSelectElement,
-    HTMLSlotElement,
-    HTMLSourceElement,
-    HTMLSpanElement,
-    HTMLStyleElement,
-    HTMLTableCaptionElement,
-    HTMLTableCellElement,
-    HTMLTableColElement,
-    HTMLTableElement,
-    HTMLTableRowElement,
-    HTMLTableSectionElement,
-    HTMLTemplateElement,
-    HTMLTextAreaElement,
-    HTMLTimeElement,
-    HTMLTitleElement,
-    HTMLTrackElement,
-    HTMLUListElement,
-    HTMLUnknownElement,
-    HTMLVideoElement,
-    ImageBitmap,
-    ImageData,
-    MediaController,
-    MediaEncryptedEvent,
-    MediaError,
-    OffscreenCanvas,
-    RadioNodeList,
-    SubmitEvent,
-    TextMetrics,
-    TimeRanges,
-    URLSearchParams,
-    ValidityState,
-    WebKitMediaKeyError,
-    ANGLEInstancedArrays,
-    CanvasGradient,
-    CanvasPattern,
-    CanvasRenderingContext2D,
-    EXTBlendMinMax,
-    EXTColorBufferFloat,
-    EXTColorBufferHalfFloat,
-    EXTFloatBlend,
-    EXTFragDepth,
-    EXTShaderTextureLOD,
-    EXTTextureCompressionRGTC,
-    EXTTextureFilterAnisotropic,
-    EXTsRGB,
-    ImageBitmapRenderingContext,
-    KHRParallelShaderCompile,
-    OESElementIndexUint,
-    OESFBORenderMipmap,
-    OESStandardDerivatives,
-    OESTextureFloat,
-    OESTextureFloatLinear,
-    OESTextureHalfFloat,
-    OESTextureHalfFloatLinear,
-    OESVertexArrayObject,
-    OffscreenCanvasRenderingContext2D,
-    PaintRenderingContext2D,
-    Path2D,
-    WebGL2RenderingContext,
-    WebGLActiveInfo,
-    WebGLBuffer,
-    WebGLColorBufferFloat,
-    WebGLCompressedTextureASTC,
-    WebGLCompressedTextureATC,
-    WebGLCompressedTextureETC,
-    WebGLCompressedTextureETC1,
-    WebGLCompressedTexturePVRTC,
-    WebGLCompressedTextureS3TC,
-    WebGLCompressedTextureS3TCsRGB,
-    WebGLContextEvent,
-    WebGLDebugRendererInfo,
-    WebGLDebugShaders,
-    WebGLDepthTexture,
-    WebGLDrawBuffers,
-    WebGLFramebuffer,
-    WebGLLoseContext,
-    WebGLMultiDraw,
-    WebGLProgram,
-    WebGLQuery,
-    WebGLRenderbuffer,
-    WebGLRenderingContext,
-    WebGLSampler,
-    WebGLShader,
-    WebGLShaderPrecisionFormat,
-    WebGLSync,
-    WebGLTexture,
-    WebGLTransformFeedback,
-    WebGLUniformLocation,
-    WebGLVertexArrayObject,
-    WebGLVertexArrayObjectOES,
-    AudioTrack,
-    AudioTrackConfiguration,
-    AudioTrackList,
-    DataCue,
-    TextTrack,
-    TextTrackCue,
-    TextTrackCueGeneric,
-    TextTrackCueList,
-    TextTrackList,
-    TrackEvent,
-    VTTCue,
-    VTTRegion,
-    VTTRegionList,
-    VideoTrack,
-    VideoTrackConfiguration,
-    VideoTrackList,
-    CommandLineAPIHost,
-    InspectorAuditAccessibilityObject,
-    InspectorAuditDOMObject,
-    InspectorAuditResourcesObject,
-    InspectorFrontendHost,
-    DOMApplicationCache,
-    MathMLElement,
-    MathMLMathElement,
-    BarProp,
-    Crypto,
-    DOMSelection,
-    DOMWindow,
-    EventSource,
-    History,
-    IntersectionObserver,
-    IntersectionObserverEntry,
-    Location,
-    Navigator,
-    Performance,
-    PerformanceEntry,
-    PerformanceMark,
-    PerformanceMeasure,
-    PerformanceNavigation,
-    PerformanceNavigationTiming,
-    PerformanceObserver,
-    PerformanceObserverEntryList,
-    PerformancePaintTiming,
-    PerformanceResourceTiming,
-    PerformanceServerTiming,
-    PerformanceTiming,
-    RemoteDOMWindow,
-    ResizeObserver,
-    ResizeObserverEntry,
-    ResizeObserverSize,
-    Screen,
-    ShadowRealmGlobalScope,
-    UndoItem,
-    UndoManager,
-    UserMessageHandler,
-    UserMessageHandlersNamespace,
-    VisualViewport,
-    WebKitNamespace,
-    WebKitPoint,
-    WorkerNavigator,
-    DOMMimeType,
-    DOMMimeTypeArray,
-    DOMPlugin,
-    DOMPluginArray,
-    Storage,
-    StorageEvent,
-    SVGAElement,
-    SVGAltGlyphDefElement,
-    SVGAltGlyphElement,
-    SVGAltGlyphItemElement,
-    SVGAngle,
-    SVGAnimateColorElement,
-    SVGAnimateElement,
-    SVGAnimateMotionElement,
-    SVGAnimateTransformElement,
-    SVGAnimatedAngle,
-    SVGAnimatedBoolean,
-    SVGAnimatedEnumeration,
-    SVGAnimatedInteger,
-    SVGAnimatedLength,
-    SVGAnimatedLengthList,
-    SVGAnimatedNumber,
-    SVGAnimatedNumberList,
-    SVGAnimatedPreserveAspectRatio,
-    SVGAnimatedRect,
-    SVGAnimatedString,
-    SVGAnimatedTransformList,
-    SVGAnimationElement,
-    SVGCircleElement,
-    SVGClipPathElement,
-    SVGComponentTransferFunctionElement,
-    SVGCursorElement,
-    SVGDefsElement,
-    SVGDescElement,
-    SVGElement,
-    SVGEllipseElement,
-    SVGFEBlendElement,
-    SVGFEColorMatrixElement,
-    SVGFEComponentTransferElement,
-    SVGFECompositeElement,
-    SVGFEConvolveMatrixElement,
-    SVGFEDiffuseLightingElement,
-    SVGFEDisplacementMapElement,
-    SVGFEDistantLightElement,
-    SVGFEDropShadowElement,
-    SVGFEFloodElement,
-    SVGFEFuncAElement,
-    SVGFEFuncBElement,
-    SVGFEFuncGElement,
-    SVGFEFuncRElement,
-    SVGFEGaussianBlurElement,
-    SVGFEImageElement,
-    SVGFEMergeElement,
-    SVGFEMergeNodeElement,
-    SVGFEMorphologyElement,
-    SVGFEOffsetElement,
-    SVGFEPointLightElement,
-    SVGFESpecularLightingElement,
-    SVGFESpotLightElement,
-    SVGFETileElement,
-    SVGFETurbulenceElement,
-    SVGFilterElement,
-    SVGFontElement,
-    SVGFontFaceElement,
-    SVGFontFaceFormatElement,
-    SVGFontFaceNameElement,
-    SVGFontFaceSrcElement,
-    SVGFontFaceUriElement,
-    SVGForeignObjectElement,
-    SVGGElement,
-    SVGGeometryElement,
-    SVGGlyphElement,
-    SVGGlyphRefElement,
-    SVGGradientElement,
-    SVGGraphicsElement,
-    SVGHKernElement,
-    SVGImageElement,
-    SVGLength,
-    SVGLengthList,
-    SVGLineElement,
-    SVGLinearGradientElement,
-    SVGMPathElement,
-    SVGMarkerElement,
-    SVGMaskElement,
-    SVGMatrix,
-    SVGMetadataElement,
-    SVGMissingGlyphElement,
-    SVGNumber,
-    SVGNumberList,
-    SVGPathElement,
-    SVGPathSeg,
-    SVGPathSegArcAbs,
-    SVGPathSegArcRel,
-    SVGPathSegClosePath,
-    SVGPathSegCurvetoCubicAbs,
-    SVGPathSegCurvetoCubicRel,
-    SVGPathSegCurvetoCubicSmoothAbs,
-    SVGPathSegCurvetoCubicSmoothRel,
-    SVGPathSegCurvetoQuadraticAbs,
-    SVGPathSegCurvetoQuadraticRel,
-    SVGPathSegCurvetoQuadraticSmoothAbs,
-    SVGPathSegCurvetoQuadraticSmoothRel,
-    SVGPathSegLinetoAbs,
-    SVGPathSegLinetoHorizontalAbs,
-    SVGPathSegLinetoHorizontalRel,
-    SVGPathSegLinetoRel,
-    SVGPathSegLinetoVerticalAbs,
-    SVGPathSegLinetoVerticalRel,
-    SVGPathSegList,
-    SVGPathSegMovetoAbs,
-    SVGPathSegMovetoRel,
-    SVGPatternElement,
-    SVGPoint,
-    SVGPointList,
-    SVGPolygonElement,
-    SVGPolylineElement,
-    SVGPreserveAspectRatio,
-    SVGRadialGradientElement,
-    SVGRect,
-    SVGRectElement,
-    SVGRenderingIntent,
-    SVGSVGElement,
-    SVGScriptElement,
-    SVGSetElement,
-    SVGStopElement,
-    SVGStringList,
-    SVGStyleElement,
-    SVGSwitchElement,
-    SVGSymbolElement,
-    SVGTRefElement,
-    SVGTSpanElement,
-    SVGTextContentElement,
-    SVGTextElement,
-    SVGTextPathElement,
-    SVGTextPositioningElement,
-    SVGTitleElement,
-    SVGTransform,
-    SVGTransformList,
-    SVGUnitTypes,
-    SVGUseElement,
-    SVGVKernElement,
-    SVGViewElement,
-    SVGViewSpec,
-    SVGZoomEvent,
-    GCObservation,
-    InternalSettings,
-    Internals,
-    InternalsMapLike,
-    InternalsSetLike,
-    MallocStatistics,
-    MemoryInfo,
-    MockCDMFactory,
-    MockContentFilterSettings,
-    MockPageOverlay,
-    MockPaymentCoordinator,
-    ServiceWorkerInternals,
-    TypeConversions,
-    WebFakeXRDevice,
-    WebFakeXRInputController,
-    WebXRTest,
-    DedicatedWorkerGlobalScope,
-    Worker,
-    WorkerGlobalScope,
-    WorkerLocation,
-    ExtendableEvent,
-    ExtendableMessageEvent,
-    FetchEvent,
-    NavigationPreloadManager,
-    ServiceWorker,
-    ServiceWorkerClient,
-    ServiceWorkerClients,
-    ServiceWorkerContainer,
-    ServiceWorkerGlobalScope,
-    ServiceWorkerRegistration,
-    ServiceWorkerWindowClient,
-    SharedWorker,
-    SharedWorkerGlobalScope,
-    PaintWorkletGlobalScope,
-    Worklet,
-    WorkletGlobalScope,
-    CustomXPathNSResolver,
-    DOMParser,
-    XMLHttpRequest,
-    XMLHttpRequestEventTarget,
-    XMLHttpRequestProgressEvent,
-    XMLHttpRequestUpload,
-    XMLSerializer,
-    XPathEvaluator,
-    XPathExpression,
-    XPathNSResolver,
-    XPathResult,
-    XSLTProcessor,
-
-    // --bun--
-    Buffer,
-};
-
-static constexpr unsigned numberOfDOMConstructorsBase = 846;
-
-static constexpr unsigned bunExtraConstructors = 1;
-
-static constexpr unsigned numberOfDOMConstructors = numberOfDOMConstructorsBase + bunExtraConstructors;
-
-class DOMConstructors {
-    WTF_MAKE_NONCOPYABLE(DOMConstructors);
-    WTF_MAKE_FAST_ALLOCATED(DOMConstructors);
-
-public:
-    using ConstructorArray = std::array<JSC::WriteBarrier<JSC::JSObject>, numberOfDOMConstructors>;
-    DOMConstructors() = default;
-    ConstructorArray& array() { return m_array; }
-    const ConstructorArray& array() const { return m_array; }
-
-private:
-    ConstructorArray m_array {};
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/DOMHighResTimeStamp.h b/src/javascript/jsc/bindings/webcore/DOMHighResTimeStamp.h
deleted file mode 100644
index 11b678600..000000000
--- a/src/javascript/jsc/bindings/webcore/DOMHighResTimeStamp.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-namespace WebCore {
-
-using DOMHighResTimeStamp = double;
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/DOMIsoSubspaces.h b/src/javascript/jsc/bindings/webcore/DOMIsoSubspaces.h
deleted file mode 100644
index 66b94e359..000000000
--- a/src/javascript/jsc/bindings/webcore/DOMIsoSubspaces.h
+++ /dev/null
@@ -1,892 +0,0 @@
-
-#pragma once
-
-#include "root.h"
-
-#include "wtf/FastMalloc.h"
-#include "wtf/Noncopyable.h"
-
-namespace WebCore {
-using namespace JSC;
-
-class DOMIsoSubspaces {
-    WTF_MAKE_NONCOPYABLE(DOMIsoSubspaces);
-    WTF_MAKE_FAST_ALLOCATED(DOMIsoSubspaces);
-
-public:
-    DOMIsoSubspaces() = default;
-    /*-- BUN --*/
-    std::unique_ptr<IsoSubspace> m_subspaceForBuffer;
-    std::unique_ptr<IsoSubspace> m_subspaceForFFIFunction;
-    std::unique_ptr<IsoSubspace> m_subspaceForNapiClass;
-    std::unique_ptr<IsoSubspace> m_subspaceForNapiPrototype;
-    std::unique_ptr<IsoSubspace> m_subspaceForJSSQLStatement;
-    std::unique_ptr<IsoSubspace> m_subspaceForJSSQLStatementConstructor;
-    std::unique_ptr<IsoSubspace> m_subspaceForJSSinkConstructor;
-    std::unique_ptr<IsoSubspace> m_subspaceForJSSinkController;
-    std::unique_ptr<IsoSubspace> m_subspaceForJSSink;
-    /*-- BUN --*/
-
-    // std::unique_ptr<IsoSubspace> m_subspaceForTouch;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTouchEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTouchList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInternalSettingsGenerated;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPU;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUAdapter;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUBindGroup;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUBindGroupLayout;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUBuffer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUBufferUsage;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUCanvasContext;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUColorWrite;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUCommandBuffer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUCommandEncoder;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUCompilationInfo;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUCompilationMessage;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUComputePassEncoder;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUComputePipeline;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUDevice;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUDeviceLostInfo;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUExternalTexture;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUMapMode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUOutOfMemoryError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUPipelineLayout;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUQuerySet;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUQueue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPURenderBundle;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPURenderBundleEncoder;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPURenderPassEncoder;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPURenderPipeline;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUSampler;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUShaderModule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUShaderStage;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUSupportedFeatures;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUSupportedLimits;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUTexture;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUTextureUsage;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUTextureView;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUUncapturedErrorEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGPUValidationError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebKitPlaybackTargetAvailabilityEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePayCancelEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePayCouponCodeChangedEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePayError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePayPaymentAuthorizedEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePayPaymentMethodSelectedEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePaySession;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePaySetup;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePaySetupFeature;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePayShippingContactSelectedEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePayShippingMethodSelectedEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForApplePayValidateMerchantEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForClipboard;
-    // std::unique_ptr<IsoSubspace> m_subspaceForClipboardItem;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMCache;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMCacheStorage;
-    // std::unique_ptr<IsoSubspace> m_subspaceForContactsManager;
-    // std::unique_ptr<IsoSubspace> m_subspaceForBasicCredential;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCredentialsContainer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaKeyMessageEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaKeySession;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaKeyStatusMap;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaKeyStatusMapIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaKeySystemAccess;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaKeys;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebKitMediaKeyMessageEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebKitMediaKeyNeededEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebKitMediaKeySession;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebKitMediaKeys;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMFileSystem;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileSystemDirectoryEntry;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileSystemDirectoryReader;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileSystemEntry;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileSystemFileEntry;
-    std::unique_ptr<IsoSubspace> m_subspaceForFetchHeaders;
-    std::unique_ptr<IsoSubspace> m_subspaceForFetchHeadersIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFetchRequest;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFetchResponse;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileSystemDirectoryHandle;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileSystemFileHandle;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileSystemHandle;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileSystemSyncAccessHandle;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGamepad;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGamepadButton;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGamepadEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGeolocation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGeolocationCoordinates;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGeolocationPosition;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGeolocationPositionError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHighlight;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHighlightRegister;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBCursor;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBCursorWithValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBDatabase;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBFactory;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBIndex;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBKeyRange;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBObjectStore;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBOpenDBRequest;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBRequest;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBTransaction;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIDBVersionChangeEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaCapabilities;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaControlsHost;
-    // std::unique_ptr<IsoSubspace> m_subspaceForBlobEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaRecorder;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaRecorderErrorEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaMetadata;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaSession;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaSessionCoordinator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaSource;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSourceBuffer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSourceBufferList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVideoPlaybackQuality;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCanvasCaptureMediaStreamTrack;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaDeviceInfo;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaDevices;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaStream;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaStreamTrack;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaStreamTrackEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOverconstrainedError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOverconstrainedErrorEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCCertificate;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCDTMFSender;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCDTMFToneChangeEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCDataChannel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCDataChannelEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCDtlsTransport;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCEncodedAudioFrame;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCEncodedVideoFrame;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCErrorEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCIceCandidate;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCIceTransport;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCPeerConnection;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCPeerConnectionIceErrorEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCPeerConnectionIceEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCRtpReceiver;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCRtpSFrameTransform;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCRtpSFrameTransformErrorEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCRtpScriptTransform;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCRtpScriptTransformer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCRtpSender;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCRtpTransceiver;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCSctpTransport;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCSessionDescription;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCStatsReport;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCTrackEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRTCTransformEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLModelElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNotification;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNotificationEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMerchantValidationEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPaymentAddress;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPaymentMethodChangeEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPaymentRequest;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPaymentRequestUpdateEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPaymentResponse;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPermissionStatus;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPermissions;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPictureInPictureEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPictureInPictureWindow;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPushEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPushManager;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPushMessageData;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPushSubscription;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPushSubscriptionChangeEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPushSubscriptionOptions;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRemotePlayback;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechRecognition;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechRecognitionAlternative;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechRecognitionErrorEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechRecognitionEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechRecognitionResult;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechRecognitionResultList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechSynthesis;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechSynthesisErrorEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechSynthesisEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechSynthesisUtterance;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSpeechSynthesisVoice;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStorageManager;
-    std::unique_ptr<IsoSubspace> m_subspaceForByteLengthQueuingStrategy;
-    std::unique_ptr<IsoSubspace> m_subspaceForCountQueuingStrategy;
-    std::unique_ptr<IsoSubspace> m_subspaceForReadableByteStreamController;
-    std::unique_ptr<IsoSubspace> m_subspaceForReadableStream;
-    std::unique_ptr<IsoSubspace> m_subspaceForReadableStreamBYOBReader;
-    std::unique_ptr<IsoSubspace> m_subspaceForReadableStreamBYOBRequest;
-    std::unique_ptr<IsoSubspace> m_subspaceForReadableStreamDefaultController;
-    std::unique_ptr<IsoSubspace> m_subspaceForReadableStreamDefaultReader;
-    std::unique_ptr<IsoSubspace> m_subspaceForReadableStreamSink;
-    std::unique_ptr<IsoSubspace> m_subspaceForReadableStreamSource;
-    std::unique_ptr<IsoSubspace> m_subspaceForTransformStream;
-    std::unique_ptr<IsoSubspace> m_subspaceForTransformStreamDefaultController;
-    std::unique_ptr<IsoSubspace> m_subspaceForWritableStream;
-    std::unique_ptr<IsoSubspace> m_subspaceForWritableStreamDefaultController;
-    std::unique_ptr<IsoSubspace> m_subspaceForWritableStreamDefaultWriter;
-    std::unique_ptr<IsoSubspace> m_subspaceForWritableStreamSink;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebLock;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebLockManager;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAnalyserNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioBuffer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioBufferSourceNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioContext;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioDestinationNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioListener;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioParam;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioParamMap;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioProcessingEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioScheduledSourceNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioWorklet;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioWorkletGlobalScope;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioWorkletNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioWorkletProcessor;
-    // std::unique_ptr<IsoSubspace> m_subspaceForBaseAudioContext;
-    // std::unique_ptr<IsoSubspace> m_subspaceForBiquadFilterNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForChannelMergerNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForChannelSplitterNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForConstantSourceNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForConvolverNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDelayNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDynamicsCompressorNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGainNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIIRFilterNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaElementAudioSourceNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaStreamAudioDestinationNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaStreamAudioSourceNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOfflineAudioCompletionEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOfflineAudioContext;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOscillatorNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPannerNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPeriodicWave;
-    // std::unique_ptr<IsoSubspace> m_subspaceForScriptProcessorNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStereoPannerNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWaveShaperNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAuthenticatorAssertionResponse;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAuthenticatorAttestationResponse;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAuthenticatorResponse;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPublicKeyCredential;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVideoColorSpace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDatabase;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSQLError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSQLResultSet;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSQLResultSetRowList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSQLTransaction;
-    std::unique_ptr<IsoSubspace> m_subspaceForCloseEvent;
-    std::unique_ptr<IsoSubspace> m_subspaceForWebSocket;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRBoundedReferenceSpace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRFrame;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRHand;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRHandIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRInputSource;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRInputSourceArray;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRInputSourceArrayIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRJointPose;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRJointSpace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRLayer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRPose;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRReferenceSpace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRRenderState;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRRigidTransform;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRSession;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRSpace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRSystem;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRView;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRViewerPose;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRViewport;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRWebGLLayer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXRInputSourceEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXRInputSourcesChangeEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXRReferenceSpaceEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXRSessionEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAnimationEffect;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAnimationPlaybackEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAnimationTimeline;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSAnimation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSTransition;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCustomEffect;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDocumentTimeline;
-    // std::unique_ptr<IsoSubspace> m_subspaceForKeyframeEffect;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebAnimation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCryptoKey;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSubtleCrypto;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSConditionRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSCounterStyleRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSFontFaceRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSFontPaletteValuesRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSGroupingRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSImportRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSKeyframeRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSKeyframesRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSLayerBlockRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSLayerStatementRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMediaRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSNamespaceRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSPageRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSPaintSize;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSRuleList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSStyleDeclaration;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSStyleRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSStyleSheet;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSSupportsRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSUnknownRule;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMCSSNamespace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMMatrix;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMMatrixReadOnly;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDeprecatedCSSOMCounter;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDeprecatedCSSOMPrimitiveValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDeprecatedCSSOMRGBColor;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDeprecatedCSSOMRect;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDeprecatedCSSOMValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDeprecatedCSSOMValueList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFontFace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFontFaceSet;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFontFaceSetIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaQueryList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaQueryListEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStyleMedia;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStyleSheet;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStyleSheetList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSKeywordValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSNumericValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSOMVariableReferenceValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSStyleImageValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSStyleValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSUnitValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSUnparsedValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSUnparsedValueIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStylePropertyMap;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStylePropertyMapReadOnly;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMathInvert;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMathMax;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMathMin;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMathNegate;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMathProduct;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMathSum;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMathValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSNumericArray;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSNumericArrayIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSMatrixComponent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSPerspective;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSRotate;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSScale;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSSkew;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSSkewX;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSSkewY;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSTransformComponent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSTransformValue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSTransformValueIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCSSTranslate;
-
-    // std::unique_ptr<IsoSubspace> m_subspaceForAbstractRange;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAnimationEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAttr;
-    // std::unique_ptr<IsoSubspace> m_subspaceForBeforeUnloadEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForBroadcastChannel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCDATASection;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCharacterData;
-    // std::unique_ptr<IsoSubspace> m_subspaceForClipboardEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForComment;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCompositionEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCustomElementRegistry;
-    std::unique_ptr<IsoSubspace> m_subspaceForCustomEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMException;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMImplementation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMPoint;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMPointReadOnly;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMQuad;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMRect;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMRectList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMRectReadOnly;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMStringList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMStringMap;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDataTransfer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDataTransferItem;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDataTransferItemList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDeviceMotionEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDeviceOrientationEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDocument;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDocumentFragment;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDocumentType;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDragEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForElement;
-
-    // std::unique_ptr<IsoSubspace> m_subspaceForFocusEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFormDataEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHashChangeEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIdleDeadline;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInputEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForKeyboardEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMessageChannel;
-    std::unique_ptr<IsoSubspace> m_subspaceForMessageEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMessagePort;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMouseEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMutationEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMutationObserver;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMutationRecord;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNamedNodeMap;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNode;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNodeIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNodeList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNodeListIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOverflowEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPageTransitionEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPointerEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPopStateEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForProcessingInstruction;
-    // std::unique_ptr<IsoSubspace> m_subspaceForProgressEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPromiseRejectionEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRange;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSecurityPolicyViolationEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForShadowRoot;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStaticRange;
-    // std::unique_ptr<IsoSubspace> m_subspaceForText;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextDecoder;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextDecoderStream;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextDecoderStreamDecoder;
-    std::unique_ptr<IsoSubspace> m_subspaceForTextEncoder;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextEncoderStream;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextEncoderStreamEncoder;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTransitionEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTreeWalker;
-    // std::unique_ptr<IsoSubspace> m_subspaceForUIEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWheelEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXMLDocument;
-    // std::unique_ptr<IsoSubspace> m_subspaceForBlob;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFile;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileReader;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFileReaderSync;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMFormData;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMFormDataIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMTokenList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMTokenListIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMURL;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLAllCollection;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLAnchorElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLAreaElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLAttachmentElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLAudioElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLBRElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLBaseElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLBodyElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLButtonElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLCanvasElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLCollection;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLDListElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLDataElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLDataListElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLDetailsElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLDialogElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLDirectoryElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLDivElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLDocument;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLEmbedElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLFieldSetElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLFontElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLFormControlsCollection;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLFormElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLFrameElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLFrameSetElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLHRElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLHeadElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLHeadingElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLHtmlElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLIFrameElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLImageElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLInputElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLLIElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLLabelElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLLegendElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLLinkElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLMapElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLMarqueeElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLMediaElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLMenuElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLMenuItemElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLMetaElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLMeterElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLModElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLOListElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLObjectElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLOptGroupElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLOptionElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLOptionsCollection;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLOutputElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLParagraphElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLParamElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLPictureElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLPreElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLProgressElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLQuoteElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLScriptElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLSelectElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLSlotElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLSourceElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLSpanElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLStyleElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTableCaptionElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTableCellElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTableColElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTableElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTableRowElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTableSectionElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTemplateElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTextAreaElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTimeElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTitleElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLTrackElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLUListElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLUnknownElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHTMLVideoElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForImageBitmap;
-    // std::unique_ptr<IsoSubspace> m_subspaceForImageData;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaController;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaEncryptedEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMediaError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOffscreenCanvas;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRadioNodeList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSubmitEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextMetrics;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTimeRanges;
-    // std::unique_ptr<IsoSubspace> m_subspaceForURLSearchParams;
-    // std::unique_ptr<IsoSubspace> m_subspaceForURLSearchParamsIterator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForValidityState;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebKitMediaKeyError;
-    // std::unique_ptr<IsoSubspace> m_subspaceForANGLEInstancedArrays;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCanvasGradient;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCanvasPattern;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCanvasRenderingContext2D;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTBlendMinMax;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTColorBufferFloat;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTColorBufferHalfFloat;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTFloatBlend;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTFragDepth;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTShaderTextureLOD;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTTextureCompressionRGTC;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTTextureFilterAnisotropic;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEXTsRGB;
-    // std::unique_ptr<IsoSubspace> m_subspaceForImageBitmapRenderingContext;
-    // std::unique_ptr<IsoSubspace> m_subspaceForKHRParallelShaderCompile;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOESElementIndexUint;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOESFBORenderMipmap;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOESStandardDerivatives;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOESTextureFloat;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOESTextureFloatLinear;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOESTextureHalfFloat;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOESTextureHalfFloatLinear;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOESVertexArrayObject;
-    // std::unique_ptr<IsoSubspace> m_subspaceForOffscreenCanvasRenderingContext2D;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPaintRenderingContext2D;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPath2D;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGL2RenderingContext;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLActiveInfo;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLBuffer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLColorBufferFloat;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLCompressedTextureASTC;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLCompressedTextureATC;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLCompressedTextureETC;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLCompressedTextureETC1;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLCompressedTexturePVRTC;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLCompressedTextureS3TC;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLCompressedTextureS3TCsRGB;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLContextEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLDebugRendererInfo;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLDebugShaders;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLDepthTexture;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLDrawBuffers;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLFramebuffer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLLoseContext;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLMultiDraw;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLProgram;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLQuery;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLRenderbuffer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLRenderingContext;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLSampler;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLShader;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLShaderPrecisionFormat;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLSync;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLTexture;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLTransformFeedback;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLUniformLocation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLVertexArrayObject;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebGLVertexArrayObjectOES;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioTrack;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioTrackConfiguration;
-    // std::unique_ptr<IsoSubspace> m_subspaceForAudioTrackList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDataCue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextTrack;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextTrackCue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextTrackCueGeneric;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextTrackCueList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTextTrackList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTrackEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVTTCue;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVTTRegion;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVTTRegionList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVideoTrack;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVideoTrackConfiguration;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVideoTrackList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCommandLineAPIHost;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInspectorAuditAccessibilityObject;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInspectorAuditDOMObject;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInspectorAuditResourcesObject;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInspectorFrontendHost;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMApplicationCache;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMathMLElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMathMLMathElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForBarProp;
-    // std::unique_ptr<IsoSubspace> m_subspaceForCrypto;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMSelection;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMWindow;
-    // std::unique_ptr<IsoSubspace> m_subspaceForEventSource;
-    // std::unique_ptr<IsoSubspace> m_subspaceForHistory;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIntersectionObserver;
-    // std::unique_ptr<IsoSubspace> m_subspaceForIntersectionObserverEntry;
-    // std::unique_ptr<IsoSubspace> m_subspaceForLocation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNavigator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformance;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceEntry;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceMark;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceMeasure;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceNavigation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceNavigationTiming;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceObserver;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceObserverEntryList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformancePaintTiming;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceResourceTiming;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceServerTiming;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPerformanceTiming;
-    // std::unique_ptr<IsoSubspace> m_subspaceForRemoteDOMWindow;
-    // std::unique_ptr<IsoSubspace> m_subspaceForResizeObserver;
-    // std::unique_ptr<IsoSubspace> m_subspaceForResizeObserverEntry;
-    // std::unique_ptr<IsoSubspace> m_subspaceForResizeObserverSize;
-    // std::unique_ptr<IsoSubspace> m_subspaceForScreen;
-    // std::unique_ptr<IsoSubspace> m_subspaceForShadowRealmGlobalScope;
-    // std::unique_ptr<IsoSubspace> m_subspaceForUndoItem;
-    // std::unique_ptr<IsoSubspace> m_subspaceForUndoManager;
-    // std::unique_ptr<IsoSubspace> m_subspaceForUserMessageHandler;
-    // std::unique_ptr<IsoSubspace> m_subspaceForUserMessageHandlersNamespace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForVisualViewport;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebKitNamespace;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebKitPoint;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWorkerNavigator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMMimeType;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMMimeTypeArray;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMPlugin;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMPluginArray;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStorage;
-    // std::unique_ptr<IsoSubspace> m_subspaceForStorageEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAltGlyphDefElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAltGlyphElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAltGlyphItemElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAngle;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimateColorElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimateElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimateMotionElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimateTransformElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedAngle;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedBoolean;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedEnumeration;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedInteger;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedLength;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedLengthList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedNumber;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedNumberList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedPreserveAspectRatio;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedRect;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedString;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimatedTransformList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGAnimationElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGCircleElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGClipPathElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGComponentTransferFunctionElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGCursorElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGDefsElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGDescElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGEllipseElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEBlendElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEColorMatrixElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEComponentTransferElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFECompositeElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEConvolveMatrixElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEDiffuseLightingElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEDisplacementMapElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEDistantLightElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEDropShadowElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEFloodElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEFuncAElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEFuncBElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEFuncGElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEFuncRElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEGaussianBlurElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEImageElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEMergeElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEMergeNodeElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEMorphologyElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEOffsetElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFEPointLightElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFESpecularLightingElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFESpotLightElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFETileElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFETurbulenceElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFilterElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFontElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFontFaceElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFontFaceFormatElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFontFaceNameElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFontFaceSrcElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGFontFaceUriElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGForeignObjectElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGGElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGGeometryElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGGlyphElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGGlyphRefElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGGradientElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGGraphicsElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGHKernElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGImageElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGLength;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGLengthList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGLineElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGLinearGradientElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGMPathElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGMarkerElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGMaskElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGMatrix;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGMetadataElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGMissingGlyphElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGNumber;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGNumberList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSeg;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegArcAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegArcRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegClosePath;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegCurvetoCubicAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegCurvetoCubicRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegCurvetoCubicSmoothAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegCurvetoCubicSmoothRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegCurvetoQuadraticAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegCurvetoQuadraticRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegCurvetoQuadraticSmoothAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegCurvetoQuadraticSmoothRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegLinetoAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegLinetoHorizontalAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegLinetoHorizontalRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegLinetoRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegLinetoVerticalAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegLinetoVerticalRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegMovetoAbs;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPathSegMovetoRel;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPatternElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPoint;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPointList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPolygonElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPolylineElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGPreserveAspectRatio;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGRadialGradientElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGRect;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGRectElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGRenderingIntent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGSVGElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGScriptElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGSetElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGStopElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGStringList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGStyleElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGSwitchElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGSymbolElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTRefElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTSpanElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTextContentElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTextElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTextPathElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTextPositioningElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTitleElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTransform;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGTransformList;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGUnitTypes;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGUseElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGVKernElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGViewElement;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGViewSpec;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSVGZoomEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForGCObservation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInternalSettings;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInternals;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInternalsMapLike;
-    // std::unique_ptr<IsoSubspace> m_subspaceForInternalsSetLike;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMallocStatistics;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMemoryInfo;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMockCDMFactory;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMockContentFilterSettings;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMockPageOverlay;
-    // std::unique_ptr<IsoSubspace> m_subspaceForMockPaymentCoordinator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForServiceWorkerInternals;
-    // std::unique_ptr<IsoSubspace> m_subspaceForTypeConversions;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebFakeXRDevice;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebFakeXRInputController;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWebXRTest;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDedicatedWorkerGlobalScope;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWorker;
-    std::unique_ptr<IsoSubspace> m_subspaceForWorkerGlobalScope;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWorkerLocation;
-    // std::unique_ptr<IsoSubspace> m_subspaceForExtendableEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForExtendableMessageEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForFetchEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForNavigationPreloadManager;
-    // std::unique_ptr<IsoSubspace> m_subspaceForServiceWorker;
-    // std::unique_ptr<IsoSubspace> m_subspaceForServiceWorkerClient;
-    // std::unique_ptr<IsoSubspace> m_subspaceForServiceWorkerClients;
-    // std::unique_ptr<IsoSubspace> m_subspaceForServiceWorkerContainer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForServiceWorkerGlobalScope;
-    // std::unique_ptr<IsoSubspace> m_subspaceForServiceWorkerRegistration;
-    // std::unique_ptr<IsoSubspace> m_subspaceForServiceWorkerWindowClient;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSharedWorker;
-    // std::unique_ptr<IsoSubspace> m_subspaceForSharedWorkerGlobalScope;
-    // std::unique_ptr<IsoSubspace> m_subspaceForPaintWorkletGlobalScope;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWorklet;
-    // std::unique_ptr<IsoSubspace> m_subspaceForWorkletGlobalScope;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMParser;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXMLHttpRequest;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXMLHttpRequestEventTarget;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXMLHttpRequestProgressEvent;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXMLHttpRequestUpload;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXMLSerializer;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXPathEvaluator;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXPathExpression;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXPathNSResolver;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXPathResult;
-    // std::unique_ptr<IsoSubspace> m_subspaceForXSLTProcessor;
-
-    std::unique_ptr<IsoSubspace> m_subspaceForAbortController;
-    std::unique_ptr<IsoSubspace> m_subspaceForAbortSignal;
-    std::unique_ptr<IsoSubspace> m_subspaceForErrorEvent;
-    std::unique_ptr<IsoSubspace> m_subspaceForEvent;
-    std::unique_ptr<IsoSubspace> m_subspaceForEventListener;
-    std::unique_ptr<IsoSubspace> m_subspaceForEventTarget;
-
-    std::unique_ptr<IsoSubspace> m_subspaceForZigGlobalObject;
-
-    std::unique_ptr<IsoSubspace> m_subspaceForExposedToWorkerAndWindow;
-    std::unique_ptr<IsoSubspace> m_subspaceForURLSearchParams;
-    std::unique_ptr<IsoSubspace> m_subspaceForURLSearchParamsIterator;
-
-    std::unique_ptr<IsoSubspace> m_subspaceForDOMException;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMFormData;
-    // std::unique_ptr<IsoSubspace> m_subspaceForDOMFormDataIterator;
-    std::unique_ptr<IsoSubspace> m_subspaceForDOMURL;
-};
-} // namespace WebCore
-
-namespace WebCore {
-using DOMIsoSubspaces = WebCore::DOMIsoSubspaces;
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/DOMPromiseProxy.h b/src/javascript/jsc/bindings/webcore/DOMPromiseProxy.h
deleted file mode 100644
index 2b8706e76..000000000
--- a/src/javascript/jsc/bindings/webcore/DOMPromiseProxy.h
+++ /dev/null
@@ -1,350 +0,0 @@
-/*
- * Copyright (C) 2017-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ExceptionOr.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMPromiseDeferred.h"
-#include <wtf/Function.h>
-#include <wtf/Vector.h>
-
-namespace WebCore {
-
-template<typename IDLType>
-class DOMPromiseProxy {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    using Value = typename IDLType::StorageType;
-
-    DOMPromiseProxy() = default;
-    ~DOMPromiseProxy() = default;
-
-    JSC::JSValue promise(JSC::JSGlobalObject&, JSDOMGlobalObject&);
-
-    void clear();
-
-    bool isFulfilled() const;
-
-    void resolve(typename IDLType::StorageType);
-    void resolveWithNewlyCreated(typename IDLType::StorageType);
-    void reject(Exception, RejectAsHandled = RejectAsHandled::No);
-    
-private:
-    JSC::JSValue resolvePromise(JSC::JSGlobalObject&, JSDOMGlobalObject&, const Function<void(DeferredPromise&)>&);
-
-    std::optional<ExceptionOr<Value>> m_valueOrException;
-    Vector<Ref<DeferredPromise>, 1> m_deferredPromises;
-};
-
-template<>
-class DOMPromiseProxy<IDLUndefined> {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    DOMPromiseProxy() = default;
-    ~DOMPromiseProxy() = default;
-
-    JSC::JSValue promise(JSC::JSGlobalObject&, JSDOMGlobalObject&);
-
-    void clear();
-
-    bool isFulfilled() const;
-
-    void resolve();
-    void reject(Exception, RejectAsHandled = RejectAsHandled::No);
-
-private:
-    std::optional<ExceptionOr<void>> m_valueOrException;
-    Vector<Ref<DeferredPromise>, 1> m_deferredPromises;
-};
-
-// Instead of storing the value of the resolution directly, DOMPromiseProxyWithResolveCallback
-// allows the owner to specify callback to be called when the resolved value is needed. This is
-// needed to avoid reference cycles when the resolved value is the owner, such as is the case with
-// FontFace and FontFaceSet.
-template<typename IDLType>
-class DOMPromiseProxyWithResolveCallback {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    using ResolveCallback = Function<typename IDLType::ParameterType()>;
-
-    template <typename Class, typename BaseClass>
-    DOMPromiseProxyWithResolveCallback(Class&, typename IDLType::ParameterType (BaseClass::*)());
-    DOMPromiseProxyWithResolveCallback(ResolveCallback&&);
-    ~DOMPromiseProxyWithResolveCallback() = default;
-
-    JSC::JSValue promise(JSC::JSGlobalObject&, JSDOMGlobalObject&);
-
-    void clear();
-
-    bool isFulfilled() const;
-
-    void resolve(typename IDLType::ParameterType);
-    void resolveWithNewlyCreated(typename IDLType::ParameterType);
-    void reject(Exception, RejectAsHandled = RejectAsHandled::No);
-    
-private:
-    ResolveCallback m_resolveCallback;
-    std::optional<ExceptionOr<void>> m_valueOrException;
-    Vector<Ref<DeferredPromise>, 1> m_deferredPromises;
-};
-
-// MARK: - DOMPromiseProxy<IDLType> generic implementation
-
-template<typename IDLType>
-inline JSC::JSValue DOMPromiseProxy<IDLType>::resolvePromise(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const Function<void(DeferredPromise&)>& resolvePromiseCallback)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    for (auto& deferredPromise : m_deferredPromises) {
-        if (deferredPromise->globalObject() == &globalObject)
-            return deferredPromise->promise();
-    }
-
-    // DeferredPromise can fail construction during worker abrupt termination.
-    auto deferredPromise = DeferredPromise::create(globalObject, DeferredPromise::Mode::RetainPromiseOnResolve);
-    if (!deferredPromise)
-        return JSC::jsUndefined();
-
-    if (m_valueOrException) {
-        if (m_valueOrException->hasException())
-            deferredPromise->reject(m_valueOrException->exception());
-        else
-            resolvePromiseCallback(*deferredPromise);
-    }
-
-    auto result = deferredPromise->promise();
-    m_deferredPromises.append(deferredPromise.releaseNonNull());
-    return result;
-}
-
-template<typename IDLType>
-inline JSC::JSValue DOMPromiseProxy<IDLType>::promise(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject)
-{
-    return resolvePromise(lexicalGlobalObject, globalObject, [this](auto& deferredPromise) {
-        deferredPromise.template resolve<IDLType>(m_valueOrException->returnValue());
-    });
-}
-
-template<>
-inline JSC::JSValue DOMPromiseProxy<IDLAny>::promise(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject)
-{
-    return resolvePromise(lexicalGlobalObject, globalObject, [this](auto& deferredPromise) {
-        deferredPromise.resolveWithJSValue(m_valueOrException->returnValue().get());
-    });
-}
-
-template<typename IDLType>
-inline void DOMPromiseProxy<IDLType>::clear()
-{
-    m_valueOrException = std::nullopt;
-    m_deferredPromises.clear();
-}
-
-template<typename IDLType>
-inline bool DOMPromiseProxy<IDLType>::isFulfilled() const
-{
-    return m_valueOrException.has_value();
-}
-
-template<typename IDLType>
-inline void DOMPromiseProxy<IDLType>::resolve(typename IDLType::StorageType value)
-{
-    ASSERT(!m_valueOrException);
-
-    m_valueOrException = ExceptionOr<Value> { std::forward<typename IDLType::StorageType>(value) };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->template resolve<IDLType>(m_valueOrException->returnValue());
-}
-
-template<>
-inline void DOMPromiseProxy<IDLAny>::resolve(typename IDLAny::StorageType value)
-{
-    ASSERT(!m_valueOrException);
-
-    m_valueOrException = ExceptionOr<Value> { std::forward<typename IDLAny::StorageType>(value) };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->resolveWithJSValue(m_valueOrException->returnValue().get());
-}
-
-template<typename IDLType>
-inline void DOMPromiseProxy<IDLType>::resolveWithNewlyCreated(typename IDLType::StorageType value)
-{
-    ASSERT(!m_valueOrException);
-
-    m_valueOrException = ExceptionOr<Value> { std::forward<typename IDLType::StorageType>(value) };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->template resolveWithNewlyCreated<IDLType>(m_valueOrException->returnValue());
-}
-
-template<typename IDLType>
-inline void DOMPromiseProxy<IDLType>::reject(Exception exception, RejectAsHandled rejectAsHandled)
-{
-    ASSERT(!m_valueOrException);
-
-    m_valueOrException = ExceptionOr<Value> { WTFMove(exception) };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->reject(m_valueOrException->exception(), rejectAsHandled);
-}
-
-
-// MARK: - DOMPromiseProxy<IDLUndefined> specialization
-
-inline JSC::JSValue DOMPromiseProxy<IDLUndefined>::promise(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    for (auto& deferredPromise : m_deferredPromises) {
-        if (deferredPromise->globalObject() == &globalObject)
-            return deferredPromise->promise();
-    }
-
-    // DeferredPromise can fail construction during worker abrupt termination.
-    auto deferredPromise = DeferredPromise::create(globalObject, DeferredPromise::Mode::RetainPromiseOnResolve);
-    if (!deferredPromise)
-        return JSC::jsUndefined();
-
-    if (m_valueOrException) {
-        if (m_valueOrException->hasException())
-            deferredPromise->reject(m_valueOrException->exception());
-        else
-            deferredPromise->resolve();
-    }
-
-    auto result = deferredPromise->promise();
-    m_deferredPromises.append(deferredPromise.releaseNonNull());
-    return result;
-}
-
-inline void DOMPromiseProxy<IDLUndefined>::clear()
-{
-    m_valueOrException = std::nullopt;
-    m_deferredPromises.clear();
-}
-
-inline bool DOMPromiseProxy<IDLUndefined>::isFulfilled() const
-{
-    return m_valueOrException.has_value();
-}
-
-inline void DOMPromiseProxy<IDLUndefined>::resolve()
-{
-    ASSERT(!m_valueOrException);
-    m_valueOrException = ExceptionOr<void> { };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->resolve();
-}
-
-inline void DOMPromiseProxy<IDLUndefined>::reject(Exception exception, RejectAsHandled rejectAsHandled)
-{
-    ASSERT(!m_valueOrException);
-    m_valueOrException = ExceptionOr<void> { WTFMove(exception) };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->reject(m_valueOrException->exception(), rejectAsHandled);
-}
-
-// MARK: - DOMPromiseProxyWithResolveCallback<IDLType> implementation
-
-template<typename IDLType>
-template <typename Class, typename BaseClass>
-inline DOMPromiseProxyWithResolveCallback<IDLType>::DOMPromiseProxyWithResolveCallback(Class& object, typename IDLType::ParameterType (BaseClass::*function)())
-    : m_resolveCallback(std::bind(function, &object))
-{
-}
-
-template<typename IDLType>
-inline DOMPromiseProxyWithResolveCallback<IDLType>::DOMPromiseProxyWithResolveCallback(ResolveCallback&& function)
-    : m_resolveCallback(WTFMove(function))
-{
-}
-
-template<typename IDLType>
-inline JSC::JSValue DOMPromiseProxyWithResolveCallback<IDLType>::promise(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    for (auto& deferredPromise : m_deferredPromises) {
-        if (deferredPromise->globalObject() == &globalObject)
-            return deferredPromise->promise();
-    }
-
-    // DeferredPromise can fail construction during worker abrupt termination.
-    auto deferredPromise = DeferredPromise::create(globalObject, DeferredPromise::Mode::RetainPromiseOnResolve);
-    if (!deferredPromise)
-        return JSC::jsUndefined();
-
-    if (m_valueOrException) {
-        if (m_valueOrException->hasException())
-            deferredPromise->reject(m_valueOrException->exception());
-        else
-            deferredPromise->template resolve<IDLType>(m_resolveCallback());
-    }
-
-    auto result = deferredPromise->promise();
-    m_deferredPromises.append(deferredPromise.releaseNonNull());
-    return result;
-}
-
-template<typename IDLType>
-inline void DOMPromiseProxyWithResolveCallback<IDLType>::clear()
-{
-    m_valueOrException = std::nullopt;
-    m_deferredPromises.clear();
-}
-
-template<typename IDLType>
-inline bool DOMPromiseProxyWithResolveCallback<IDLType>::isFulfilled() const
-{
-    return m_valueOrException.has_value();
-}
-
-template<typename IDLType>
-inline void DOMPromiseProxyWithResolveCallback<IDLType>::resolve(typename IDLType::ParameterType value)
-{
-    ASSERT(!m_valueOrException);
-
-    m_valueOrException = ExceptionOr<void> { };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->template resolve<IDLType>(value);
-}
-
-template<typename IDLType>
-inline void DOMPromiseProxyWithResolveCallback<IDLType>::resolveWithNewlyCreated(typename IDLType::ParameterType value)
-{
-    ASSERT(!m_valueOrException);
-
-    m_valueOrException = ExceptionOr<void> { };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->template resolveWithNewlyCreated<IDLType>(value);
-}
-
-template<typename IDLType>
-inline void DOMPromiseProxyWithResolveCallback<IDLType>::reject(Exception exception, RejectAsHandled rejectAsHandled)
-{
-    ASSERT(!m_valueOrException);
-
-    m_valueOrException = ExceptionOr<void> { WTFMove(exception) };
-    for (auto& deferredPromise : m_deferredPromises)
-        deferredPromise->reject(m_valueOrException->exception(), rejectAsHandled);
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/ErrorCallback.cpp b/src/javascript/jsc/bindings/webcore/ErrorCallback.cpp
deleted file mode 100644
index 5b81eea06..000000000
--- a/src/javascript/jsc/bindings/webcore/ErrorCallback.cpp
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ErrorCallback.h"
-
-#include "DOMException.h"
-#include "ScriptExecutionContext.h"
-
-namespace WebCore {
-
-void ErrorCallback::scheduleCallback(ScriptExecutionContext& context, Ref<DOMException>&& exception)
-{
-    context.postTask([protectedThis = Ref { *this }, exception = WTFMove(exception)] (ScriptExecutionContext&) {
-        protectedThis->handleEvent(exception);
-    });
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/ErrorCallback.h b/src/javascript/jsc/bindings/webcore/ErrorCallback.h
deleted file mode 100644
index 8c1eaff9a..000000000
--- a/src/javascript/jsc/bindings/webcore/ErrorCallback.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ActiveDOMCallback.h"
-#include "CallbackResult.h"
-#include <wtf/Forward.h>
-#include <wtf/RefCounted.h>
-
-namespace WebCore {
-
-class DOMException;
-
-class ErrorCallback : public RefCounted<ErrorCallback>, public ActiveDOMCallback {
-public:
-    using ActiveDOMCallback::ActiveDOMCallback;
-
-    virtual CallbackResult<void> handleEvent(DOMException&) = 0;
-
-    // Helper to post callback task.
-    void scheduleCallback(ScriptExecutionContext&, Ref<DOMException>&&);
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ErrorCallback.idl b/src/javascript/jsc/bindings/webcore/ErrorCallback.idl
deleted file mode 100644
index 4dd3901da..000000000
--- a/src/javascript/jsc/bindings/webcore/ErrorCallback.idl
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-callback ErrorCallback = undefined (DOMException error);
diff --git a/src/javascript/jsc/bindings/webcore/ErrorEvent.cpp b/src/javascript/jsc/bindings/webcore/ErrorEvent.cpp
deleted file mode 100644
index 4f6c618f7..000000000
--- a/src/javascript/jsc/bindings/webcore/ErrorEvent.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ErrorEvent.h"
-
-#include "DOMWrapperWorld.h"
-#include "EventNames.h"
-#include <JavaScriptCore/HeapInlines.h>
-#include <JavaScriptCore/StrongInlines.h>
-// #include <wtf/IsoMallocInlines.h>
-
-namespace WebCore {
-using namespace JSC;
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(ErrorEvent);
-
-ErrorEvent::ErrorEvent(const AtomString& type, const Init& initializer, IsTrusted isTrusted)
-    : Event(type, initializer, isTrusted)
-    , m_message(initializer.message)
-    , m_fileName(initializer.filename)
-    , m_lineNumber(initializer.lineno)
-    , m_columnNumber(initializer.colno)
-    , m_error(initializer.error)
-{
-}
-
-ErrorEvent::ErrorEvent(const AtomString& type, const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
-    : Event(type, CanBubble::No, IsCancelable::Yes)
-    , m_message(message)
-    , m_fileName(fileName)
-    , m_lineNumber(lineNumber)
-    , m_columnNumber(columnNumber)
-    , m_error(error.get())
-{
-}
-
-ErrorEvent::ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
-    : ErrorEvent(eventNames().errorEvent, message, fileName, lineNumber, columnNumber, error)
-{
-}
-
-ErrorEvent::~ErrorEvent() = default;
-
-EventInterface ErrorEvent::eventInterface() const
-{
-    return ErrorEventInterfaceType;
-}
-
-JSValue ErrorEvent::error(JSGlobalObject& globalObject)
-{
-    if (!m_error)
-        return jsNull();
-
-    JSValue error = m_error.getValue();
-    // if (!isWorldCompatible(globalObject, error)) {
-    //     // We need to make sure ErrorEvents do not leak their error property across isolated DOM worlds.
-    //     // Ideally, we would check that the worlds have different privileges but that's not possible yet.
-    //     auto serializedError = trySerializeError(globalObject);
-    //     if (!serializedError)
-    //         return jsNull();
-    //     return serializedError->deserialize(globalObject, &globalObject);
-    // }
-
-    return error;
-}
-
-// RefPtr<SerializedScriptValue> ErrorEvent::trySerializeError(JSGlobalObject& exec)
-// {
-//     // if (!m_serializedError && !m_triedToSerialize) {
-//     //     m_serializedError = SerializedScriptValue::create(exec, m_error.getValue(), SerializationErrorMode::NonThrowing);
-//     //     m_triedToSerialize = true;
-//     // }
-//     return 0;
-// }
-
-bool ErrorEvent::isErrorEvent() const
-{
-    return true;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ErrorEvent.h b/src/javascript/jsc/bindings/webcore/ErrorEvent.h
deleted file mode 100644
index 400c91dae..000000000
--- a/src/javascript/jsc/bindings/webcore/ErrorEvent.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "Event.h"
-#include "JSValueInWrappedObject.h"
-// #include "SerializedScriptValue.h"
-#include <JavaScriptCore/Strong.h>
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-class ErrorEvent final : public Event {
-    WTF_MAKE_ISO_ALLOCATED(ErrorEvent);
-
-public:
-    static Ref<ErrorEvent> create(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
-    {
-        return adoptRef(*new ErrorEvent(message, fileName, lineNumber, columnNumber, error));
-    }
-
-    static Ref<ErrorEvent> create(const AtomString& type, const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
-    {
-        return adoptRef(*new ErrorEvent(type, message, fileName, lineNumber, columnNumber, error));
-    }
-
-    struct Init : EventInit {
-        String message;
-        String filename;
-        unsigned lineno { 0 };
-        unsigned colno { 0 };
-        JSC::JSValue error;
-    };
-
-    static Ref<ErrorEvent> create(const AtomString& type, const Init& initializer, IsTrusted isTrusted = IsTrusted::No)
-    {
-        return adoptRef(*new ErrorEvent(type, initializer, isTrusted));
-    }
-
-    virtual ~ErrorEvent();
-
-    const String& message() const { return m_message; }
-    const String& filename() const { return m_fileName; }
-    unsigned lineno() const { return m_lineNumber; }
-    unsigned colno() const { return m_columnNumber; }
-    JSC::JSValue error(JSC::JSGlobalObject&);
-
-    const JSValueInWrappedObject& originalError() const { return m_error; }
-    // SerializedScriptValue* serializedError() const { return m_serializedError.get(); }
-
-    EventInterface eventInterface() const override;
-
-    // RefPtr<SerializedScriptValue> trySerializeError(JSC::JSGlobalObject&);
-
-private:
-    ErrorEvent(const AtomString& type, const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error);
-    ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error);
-    ErrorEvent(const AtomString&, const Init&, IsTrusted);
-
-    bool isErrorEvent() const override;
-
-    String m_message;
-    String m_fileName;
-    unsigned m_lineNumber;
-    unsigned m_columnNumber;
-    JSValueInWrappedObject m_error;
-    // RefPtr<SerializedScriptValue> m_serializedError;
-    bool m_triedToSerialize { false };
-};
-
-} // namespace WebCore
-
-SPECIALIZE_TYPE_TRAITS_EVENT(ErrorEvent)
diff --git a/src/javascript/jsc/bindings/webcore/ErrorEvent.idl b/src/javascript/jsc/bindings/webcore/ErrorEvent.idl
deleted file mode 100644
index 1ea1ccff1..000000000
--- a/src/javascript/jsc/bindings/webcore/ErrorEvent.idl
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2016 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    Exposed=*,
-    JSCustomMarkFunction,
-] interface ErrorEvent : Event {
-    constructor(DOMString type, optional ErrorEventInit eventInitDict);
-
-    readonly attribute DOMString message;
-    readonly attribute USVString filename;
-    readonly attribute unsigned long lineno;
-    readonly attribute unsigned long colno;
-    [CallWith=CurrentGlobalObject] readonly attribute any error;
-};
-
-dictionary ErrorEventInit : EventInit {
-    DOMString message = "";
-    USVString filename = "";
-    unsigned long lineno = 0;
-    unsigned long colno = 0;
-    any error = null;
-};
diff --git a/src/javascript/jsc/bindings/webcore/Event.cpp b/src/javascript/jsc/bindings/webcore/Event.cpp
deleted file mode 100644
index f488f0106..000000000
--- a/src/javascript/jsc/bindings/webcore/Event.cpp
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Copyright (C) 2001 Peter Kelly (pmk@post.com)
- * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
- * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
- * Copyright (C) 2003-2017 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "Event.h"
-
-// #include "DOMWindow.h"
-// #include "Document.h"
-#include "EventNames.h"
-#include "EventPath.h"
-#include "EventTarget.h"
-// #include "InspectorInstrumentation.h"
-// #include "Performance.h"
-// #include "UserGestureIndicator.h"
-// #include "WorkerGlobalScope.h"
-#include <wtf/HexNumber.h>
-// #include <wtf/IsoMallocInlines.h>
-#include <wtf/text/StringBuilder.h>
-#include <wtf/text/TextStream.h>
-
-namespace WebCore {
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(Event);
-
-ALWAYS_INLINE Event::Event(MonotonicTime createTime, const AtomString& type, IsTrusted isTrusted, CanBubble canBubble, IsCancelable cancelable, IsComposed composed)
-    : m_isInitialized { !type.isNull() }
-    , m_canBubble { canBubble == CanBubble::Yes }
-    , m_cancelable { cancelable == IsCancelable::Yes }
-    , m_composed { composed == IsComposed::Yes }
-    , m_propagationStopped { false }
-    , m_immediatePropagationStopped { false }
-    , m_wasCanceled { false }
-    , m_defaultHandled { false }
-    , m_isDefaultEventHandlerIgnored { false }
-    , m_isTrusted { isTrusted == IsTrusted::Yes }
-    , m_isExecutingPassiveEventListener { false }
-    , m_currentTargetIsInShadowTree { false }
-    , m_eventPhase { NONE }
-    , m_type { type }
-    , m_createTime { createTime }
-{
-}
-
-Event::Event(IsTrusted isTrusted)
-    : Event { MonotonicTime::now(), {}, isTrusted, CanBubble::No, IsCancelable::No, IsComposed::No }
-{
-}
-
-Event::Event(const AtomString& eventType, CanBubble canBubble, IsCancelable isCancelable, IsComposed isComposed)
-    : Event { MonotonicTime::now(), eventType, IsTrusted::Yes, canBubble, isCancelable, isComposed }
-{
-    ASSERT(!eventType.isNull());
-}
-
-Event::Event(const AtomString& eventType, CanBubble canBubble, IsCancelable isCancelable, IsComposed isComposed, MonotonicTime timestamp, IsTrusted isTrusted)
-    : Event { timestamp, eventType, isTrusted, canBubble, isCancelable, isComposed }
-{
-    ASSERT(!eventType.isNull());
-}
-
-Event::Event(const AtomString& eventType, const EventInit& initializer, IsTrusted isTrusted)
-    : Event { MonotonicTime::now(), eventType, isTrusted,
-        initializer.bubbles ? CanBubble::Yes : CanBubble::No,
-        initializer.cancelable ? IsCancelable::Yes : IsCancelable::No,
-        initializer.composed ? IsComposed::Yes : IsComposed::No }
-{
-    ASSERT(!eventType.isNull());
-}
-
-Event::~Event() = default;
-
-Ref<Event> Event::create(const AtomString& type, CanBubble canBubble, IsCancelable isCancelable, IsComposed isComposed)
-{
-    return adoptRef(*new Event(type, canBubble, isCancelable, isComposed));
-}
-
-Ref<Event> Event::createForBindings()
-{
-    return adoptRef(*new Event);
-}
-
-Ref<Event> Event::create(const AtomString& type, const EventInit& initializer, IsTrusted isTrusted)
-{
-    return adoptRef(*new Event(type, initializer, isTrusted));
-}
-
-void Event::initEvent(const AtomString& eventTypeArg, bool canBubbleArg, bool cancelableArg)
-{
-    if (isBeingDispatched())
-        return;
-
-    m_isInitialized = true;
-    m_propagationStopped = false;
-    m_immediatePropagationStopped = false;
-    m_wasCanceled = false;
-    m_isTrusted = false;
-    m_target = nullptr;
-    m_type = eventTypeArg;
-    m_canBubble = canBubbleArg;
-    m_cancelable = cancelableArg;
-
-    m_underlyingEvent = nullptr;
-}
-
-void Event::setTarget(RefPtr<EventTarget>&& target)
-{
-    if (m_target == target)
-        return;
-
-    m_target = WTFMove(target);
-    if (m_target)
-        receivedTarget();
-}
-
-void Event::setCurrentTarget(EventTarget* currentTarget, std::optional<bool> isInShadowTree)
-{
-    m_currentTarget = currentTarget;
-    m_currentTargetIsInShadowTree = false; // m_currentTargetIsInShadowTree = isInShadowTree ? *isInShadowTree : (is<Node>(currentTarget) && downcast<Node>(*currentTarget).isInShadowTree());
-}
-
-Vector<EventTarget*> Event::composedPath() const
-{
-    // if (!m_eventPath)
-    return Vector<EventTarget*>();
-    // return m_eventPath->computePathUnclosedToTarget(*m_currentTarget);
-}
-
-void Event::setUnderlyingEvent(Event* underlyingEvent)
-{
-    // Prohibit creation of a cycle by doing nothing if a cycle would be created.
-    for (Event* event = underlyingEvent; event; event = event->underlyingEvent()) {
-        if (event == this)
-            return;
-    }
-    m_underlyingEvent = underlyingEvent;
-}
-
-DOMHighResTimeStamp Event::timeStampForBindings(ScriptExecutionContext& context) const
-{
-    // TODO:
-    return 0.0;
-    // Performance* performance = nullptr;
-    // if (is<WorkerGlobalScope>(context))
-    //     performance = &downcast<WorkerGlobalScope>(context).performance();
-    // else if (auto* window = downcast<Document>(context).domWindow())
-    //     performance = &window->performance();
-
-    // if (!performance)
-    //     return 0;
-
-    // return std::max(performance->relativeTimeFromTimeOriginInReducedResolution(m_createTime), 0.);
-}
-
-void Event::resetBeforeDispatch()
-{
-    m_defaultHandled = false;
-}
-
-void Event::resetAfterDispatch()
-{
-    m_eventPath = nullptr;
-    setCurrentTarget(nullptr);
-    m_eventPhase = NONE;
-    m_propagationStopped = false;
-    m_immediatePropagationStopped = false;
-
-    // InspectorInstrumentation::eventDidResetAfterDispatch(*this);
-}
-
-String Event::debugDescription() const
-{
-    return makeString(type(), " phase ", eventPhase(), bubbles() ? " bubbles " : " ", cancelable() ? "cancelable " : " ", "0x"_s, hex(reinterpret_cast<uintptr_t>(this), Lowercase));
-}
-
-TextStream& operator<<(TextStream& ts, const Event& event)
-{
-    ts << event.debugDescription();
-    return ts;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/Event.h b/src/javascript/jsc/bindings/webcore/Event.h
deleted file mode 100644
index 5b7d5cba2..000000000
--- a/src/javascript/jsc/bindings/webcore/Event.h
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * Copyright (C) 2001 Peter Kelly (pmk@post.com)
- * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
- * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
- * Copyright (C) 2003-2017 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#pragma once
-
-#include "config.h"
-
-#include "DOMHighResTimeStamp.h"
-#include "EventInit.h"
-#include "EventInterfaces.h"
-#include "EventOptions.h"
-#include "ExceptionOr.h"
-#include "ScriptWrappable.h"
-#include <wtf/MonotonicTime.h>
-#include <wtf/TypeCasts.h>
-#include <wtf/text/AtomString.h>
-
-namespace WTF {
-class TextStream;
-}
-
-namespace WebCore {
-
-class EventPath;
-class EventTarget;
-class ScriptExecutionContext;
-
-class Event : public ScriptWrappable, public RefCounted<Event> {
-    WTF_MAKE_ISO_ALLOCATED(Event);
-
-public:
-    using IsTrusted = EventIsTrusted;
-    using CanBubble = EventCanBubble;
-    using IsCancelable = EventIsCancelable;
-    using IsComposed = EventIsComposed;
-
-    enum PhaseType : uint8_t {
-        NONE = 0,
-        CAPTURING_PHASE = 1,
-        AT_TARGET = 2,
-        BUBBLING_PHASE = 3
-    };
-
-    WEBCORE_EXPORT static Ref<Event> create(const AtomString& type, CanBubble, IsCancelable, IsComposed = IsComposed::No);
-    static Ref<Event> createForBindings();
-    static Ref<Event> create(const AtomString& type, const EventInit&, IsTrusted = IsTrusted::No);
-
-    virtual ~Event();
-
-    WEBCORE_EXPORT void initEvent(const AtomString& type, bool canBubble, bool cancelable);
-
-    bool isInitialized() const { return m_isInitialized; }
-
-    const AtomString& type() const { return m_type; }
-    void setType(const AtomString& type) { m_type = type; }
-
-    EventTarget* target() const { return m_target.get(); }
-    void setTarget(RefPtr<EventTarget>&&);
-
-    EventTarget* currentTarget() const { return m_currentTarget.get(); }
-    void setCurrentTarget(EventTarget*, std::optional<bool> isInShadowTree = std::nullopt);
-    bool currentTargetIsInShadowTree() const { return m_currentTargetIsInShadowTree; }
-
-    unsigned short eventPhase() const { return m_eventPhase; }
-    void setEventPhase(PhaseType phase) { m_eventPhase = phase; }
-
-    bool bubbles() const { return m_canBubble; }
-    bool cancelable() const { return m_cancelable; }
-    bool composed() const { return m_composed; }
-
-    DOMHighResTimeStamp timeStampForBindings(ScriptExecutionContext&) const;
-    MonotonicTime timeStamp() const { return m_createTime; }
-
-    void setEventPath(const EventPath& path) { UNUSED_PARAM(path); }
-    Vector<EventTarget*> composedPath() const;
-
-    void stopPropagation() { m_propagationStopped = true; }
-    void stopImmediatePropagation() { m_immediatePropagationStopped = true; }
-
-    bool isTrusted() const { return m_isTrusted; }
-    void setUntrusted() { m_isTrusted = false; }
-
-    bool legacyReturnValue() const { return !m_wasCanceled; }
-    void setLegacyReturnValue(bool);
-
-    virtual EventInterface eventInterface() const { return EventInterfaceType; }
-
-    virtual bool isBeforeTextInsertedEvent() const { return false; }
-    virtual bool isBeforeUnloadEvent() const { return false; }
-    virtual bool isClipboardEvent() const { return false; }
-    virtual bool isCompositionEvent() const { return false; }
-    virtual bool isErrorEvent() const { return false; }
-    virtual bool isFocusEvent() const { return false; }
-    virtual bool isInputEvent() const { return false; }
-    virtual bool isKeyboardEvent() const { return false; }
-    virtual bool isMouseEvent() const { return false; }
-    virtual bool isPointerEvent() const { return false; }
-    virtual bool isTextEvent() const { return false; }
-    virtual bool isTouchEvent() const { return false; }
-    virtual bool isUIEvent() const { return false; }
-    virtual bool isVersionChangeEvent() const { return false; }
-    virtual bool isWheelEvent() const { return false; }
-
-    bool propagationStopped() const { return m_propagationStopped || m_immediatePropagationStopped; }
-    bool immediatePropagationStopped() const { return m_immediatePropagationStopped; }
-
-    void resetBeforeDispatch();
-    void resetAfterDispatch();
-
-    bool defaultPrevented() const { return m_wasCanceled; }
-    void preventDefault();
-
-    bool defaultHandled() const { return m_defaultHandled; }
-    void setDefaultHandled() { m_defaultHandled = true; }
-
-    bool isDefaultEventHandlerIgnored() const { return m_isDefaultEventHandlerIgnored; }
-    void setIsDefaultEventHandlerIgnored() { m_isDefaultEventHandlerIgnored = true; }
-
-    void setInPassiveListener(bool value) { m_isExecutingPassiveEventListener = value; }
-
-    bool cancelBubble() const { return propagationStopped(); }
-    void setCancelBubble(bool);
-
-    Event* underlyingEvent() const { return m_underlyingEvent.get(); }
-    void setUnderlyingEvent(Event*);
-
-    // Returns true if the dispatch flag is set.
-    // https://dom.spec.whatwg.org/#dispatch-flag
-    bool isBeingDispatched() const { return eventPhase(); }
-
-    virtual EventTarget* relatedTarget() const { return nullptr; }
-    virtual void setRelatedTarget(EventTarget*) {}
-
-    virtual String debugDescription() const;
-
-protected:
-    explicit Event(IsTrusted = IsTrusted::No);
-    Event(const AtomString& type, CanBubble, IsCancelable, IsComposed = IsComposed::No);
-    Event(const AtomString& type, CanBubble, IsCancelable, IsComposed, MonotonicTime timestamp, IsTrusted isTrusted = IsTrusted::Yes);
-    Event(const AtomString& type, const EventInit&, IsTrusted);
-
-    virtual void receivedTarget() {}
-
-private:
-    explicit Event(MonotonicTime createTime, const AtomString& type, IsTrusted, CanBubble, IsCancelable, IsComposed);
-
-    void setCanceledFlagIfPossible();
-
-    unsigned m_isInitialized : 1;
-    unsigned m_canBubble : 1;
-    unsigned m_cancelable : 1;
-    unsigned m_composed : 1;
-
-    unsigned m_propagationStopped : 1;
-    unsigned m_immediatePropagationStopped : 1;
-    unsigned m_wasCanceled : 1;
-    unsigned m_defaultHandled : 1;
-    unsigned m_isDefaultEventHandlerIgnored : 1;
-    unsigned m_isTrusted : 1;
-    unsigned m_isExecutingPassiveEventListener : 1;
-    unsigned m_currentTargetIsInShadowTree : 1;
-
-    unsigned m_eventPhase : 2;
-
-    AtomString m_type;
-
-    RefPtr<EventTarget> m_currentTarget;
-    const EventPath* m_eventPath { nullptr };
-    RefPtr<EventTarget> m_target;
-    MonotonicTime m_createTime;
-
-    RefPtr<Event> m_underlyingEvent;
-};
-
-inline void Event::preventDefault()
-{
-    setCanceledFlagIfPossible();
-}
-
-inline void Event::setLegacyReturnValue(bool returnValue)
-{
-    if (!returnValue)
-        setCanceledFlagIfPossible();
-}
-
-// https://dom.spec.whatwg.org/#set-the-canceled-flag
-inline void Event::setCanceledFlagIfPossible()
-{
-    if (m_cancelable && !m_isExecutingPassiveEventListener)
-        m_wasCanceled = true;
-    // FIXME: Specification suggests we log something to the console when preventDefault is called but
-    // doesn't do anything because the event is not cancelable or is executing passive event listeners.
-}
-
-inline void Event::setCancelBubble(bool cancel)
-{
-    if (cancel)
-        m_propagationStopped = true;
-}
-
-WTF::TextStream& operator<<(WTF::TextStream&, const Event&);
-
-} // namespace WebCore
-
-#define SPECIALIZE_TYPE_TRAITS_EVENT(ToValueTypeName)                                       \
-    SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToValueTypeName)                                  \
-    static bool isType(const WebCore::Event& event) { return event.is##ToValueTypeName(); } \
-    SPECIALIZE_TYPE_TRAITS_END()
diff --git a/src/javascript/jsc/bindings/webcore/Event.idl b/src/javascript/jsc/bindings/webcore/Event.idl
deleted file mode 100644
index 2d6ba61f7..000000000
--- a/src/javascript/jsc/bindings/webcore/Event.idl
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (C) 2006, 2007, 2009, 2011, 2017 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-typedef double DOMHighResTimeStamp;
-
-[
-    CustomToJSObject,
-    DOMJIT,
-    ExportToWrappedFunction,
-    Exposed=*,
-    JSCustomHeader,
-] interface Event {
-    constructor(DOMString type, optional EventInit eventInitDict);
-
-    readonly attribute DOMString type;
-    readonly attribute EventTarget? target;
-    readonly attribute EventTarget? currentTarget;
-    sequence<EventTarget> composedPath();
-
-    const unsigned short NONE = 0;
-    const unsigned short CAPTURING_PHASE = 1;
-    const unsigned short AT_TARGET = 2;
-    const unsigned short BUBBLING_PHASE = 3;
-    readonly attribute unsigned short eventPhase;
-
-    undefined stopPropagation();
-    attribute boolean cancelBubble; // historical alias of .stopPropagation.
-    undefined stopImmediatePropagation();
-
-    readonly attribute boolean bubbles;
-    readonly attribute boolean cancelable;
-    undefined preventDefault();
-    readonly attribute boolean defaultPrevented;
-    readonly attribute boolean composed;
-
-    [LegacyUnforgeable] readonly attribute boolean isTrusted;
-    [CallWith=RelevantScriptExecutionContext, ImplementedAs=timeStampForBindings] readonly attribute DOMHighResTimeStamp timeStamp;
-
-    undefined initEvent(DOMString type, optional boolean bubbles = false, optional boolean cancelable = false); // Historical.
-
-    // IE extensions that may get standardized (https://github.com/whatwg/dom/issues/334).
-    [ImplementedAs=target] readonly attribute EventTarget srcElement;
-    [ImplementedAs=legacyReturnValue] attribute boolean returnValue;
-};
diff --git a/src/javascript/jsc/bindings/webcore/EventContext.cpp b/src/javascript/jsc/bindings/webcore/EventContext.cpp
deleted file mode 100644
index c80863a7d..000000000
--- a/src/javascript/jsc/bindings/webcore/EventContext.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc. All Rights Reserved.
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "config.h"
-#include "EventContext.h"
-
-// #include "DOMWindow.h"
-// #include "Document.h"
-#include "EventNames.h"
-// #include "FocusEvent.h"
-// #include "HTMLFormElement.h"
-// #include "MouseEvent.h"
-// #include "TouchEvent.h"
-
-namespace WebCore {
-
-EventContext::~EventContext() = default;
-
-void EventContext::handleLocalEvents(Event& event, EventInvokePhase phase) const
-{
-    event.setTarget(m_target.get());
-    event.setCurrentTarget(m_currentTarget.get(), m_currentTargetIsInShadowTree);
-
-    if (!m_node || UNLIKELY(m_type == Type::Window)) {
-        m_currentTarget->fireEventListeners(event, phase);
-        return;
-    }
-
-    if (!m_node->hasEventTargetData())
-        return;
-
-    m_node->fireEventListeners(event, phase);
-}
-
-#if ASSERT_ENABLED
-
-bool EventContext::isUnreachableNode(EventTarget* target) const
-{
-    // FIXME: Checks also for SVG elements.
-    return false;
-}
-
-#endif
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/EventContext.h b/src/javascript/jsc/bindings/webcore/EventContext.h
deleted file mode 100644
index 8fbd3c19f..000000000
--- a/src/javascript/jsc/bindings/webcore/EventContext.h
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc. All Rights Reserved.
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#pragma once
-
-#include "root.h"
-#include "Event.h"
-
-#include "Node.h"
-
-namespace WebCore {
-
-class EventContext {
-    WTF_MAKE_FAST_ALLOCATED;
-
-public:
-    using EventInvokePhase = EventTarget::EventInvokePhase;
-
-    enum class Type : uint8_t {
-        Normal = 0,
-        MouseOrFocus,
-        Touch,
-        Window,
-    };
-
-    EventContext(Type, Node*, EventTarget* currentTarget, EventTarget* origin, int closedShadowDepth);
-    EventContext(Type, Node&, Node* currentTarget, EventTarget* origin, int closedShadowDepth);
-    ~EventContext();
-
-    Node* node() const { return m_node.get(); }
-    EventTarget* currentTarget() const { return m_currentTarget.get(); }
-    // bool isCurrentTargetInShadowTree() const { return m_currentTargetIsInShadowTree; }
-    bool isCurrentTargetInShadowTree() const { return false; }
-    EventTarget* target() const { return m_target.get(); }
-    // int closedShadowDepth() const { return m_closedShadowDepth; }
-    int closedShadowDepth() const { return 0; }
-
-    void handleLocalEvents(Event&, EventInvokePhase) const;
-
-    // bool isMouseOrFocusEventContext() const { return m_type == Type::MouseOrFocus; }
-    bool isMouseOrFocusEventContext() const { return false; }
-    // bool isTouchEventContext() const { return m_type == Type::Touch; }
-    bool isTouchEventContext() const { return false; }
-    // bool isWindowContext() const { return m_type == Type::Window; }
-    bool isWindowContext() const { return false; }
-
-    Node* relatedTarget() const { return m_relatedTarget.get(); }
-    void setRelatedTarget(Node*);
-
-#if ENABLE(TOUCH_EVENTS)
-    enum TouchListType { Touches,
-        TargetTouches,
-        ChangedTouches };
-    TouchList& touchList(TouchListType);
-#endif
-
-private:
-    inline EventContext(Type, Node* currentNode, RefPtr<EventTarget>&& currentTarget, EventTarget* origin, int closedShadowDepth, bool currentTargetIsInShadowTree = false);
-
-#if ENABLE(TOUCH_EVENTS)
-    void initializeTouchLists();
-#endif
-
-#if ASSERT_ENABLED
-    bool isUnreachableNode(EventTarget*) const;
-#endif
-
-    RefPtr<Node> m_node;
-    RefPtr<EventTarget> m_currentTarget;
-    RefPtr<EventTarget> m_target;
-    RefPtr<Node> m_relatedTarget;
-#if ENABLE(TOUCH_EVENTS)
-    RefPtr<TouchList> m_touches;
-    RefPtr<TouchList> m_targetTouches;
-    RefPtr<TouchList> m_changedTouches;
-#endif
-    int m_closedShadowDepth { 0 };
-    bool m_currentTargetIsInShadowTree { false };
-    bool m_contextNodeIsFormElement { false };
-    Type m_type { Type::Normal };
-};
-
-inline EventContext::EventContext(Type type, Node* node, RefPtr<EventTarget>&& currentTarget, EventTarget* origin, int closedShadowDepth, bool currentTargetIsInShadowTree)
-    : m_node { node }
-    , m_currentTarget { WTFMove(currentTarget) }
-    , m_target { origin }
-    , m_closedShadowDepth { closedShadowDepth }
-    , m_currentTargetIsInShadowTree { currentTargetIsInShadowTree }
-    , m_type { type }
-{
-    //     ASSERT(!isUnreachableNode(m_target.get()));
-    // #if ENABLE(TOUCH_EVENTS)
-    //     if (m_type == Type::Touch)
-    //         initializeTouchLists();
-    // #else
-    //     ASSERT(m_type != Type::Touch);
-    // #endif
-}
-
-inline EventContext::EventContext(Type type, Node* node, EventTarget* currentTarget, EventTarget* origin, int closedShadowDepth)
-    : EventContext(type, node, RefPtr { currentTarget }, origin, closedShadowDepth)
-{
-    // ASSERT(!is<Node>(currentTarget));
-}
-
-// This variant avoids calling EventTarget::ref() which is a virtual function call.
-inline EventContext::EventContext(Type type, Node& node, Node* currentTarget, EventTarget* origin, int closedShadowDepth)
-    : EventContext(type, &node, RefPtr { currentTarget }, origin, closedShadowDepth, false)
-{
-    m_contextNodeIsFormElement = false;
-    // m_contextNodeIsFormElement = is<HTMLFormElement>(node);
-}
-
-inline void EventContext::setRelatedTarget(Node* relatedTarget)
-{
-    ASSERT(!isUnreachableNode(relatedTarget));
-    m_relatedTarget = relatedTarget;
-}
-
-// #if ENABLE(TOUCH_EVENTS)
-
-// inline TouchList& EventContext::touchList(TouchListType type)
-// {
-//     switch (type) {
-//     case Touches:
-//         return *m_touches;
-//     case TargetTouches:
-//         return *m_targetTouches;
-//     case ChangedTouches:
-//         return *m_changedTouches;
-//     }
-//     ASSERT_NOT_REACHED();
-//     return *m_touches;
-// }
-
-// #endif
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventDispatcher.cpp b/src/javascript/jsc/bindings/webcore/EventDispatcher.cpp
deleted file mode 100644
index 9c83aa0e2..000000000
--- a/src/javascript/jsc/bindings/webcore/EventDispatcher.cpp
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004-2022 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
- * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
- * Copyright (C) 2010, 2011, 2012, 2013 Google Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-#include "Event.h"
-#include "EventDispatcher.h"
-
-// #include "CompositionEvent.h"
-#include "EventContext.h"
-// #include "EventNames.h"
-#include "EventPath.h"
-// #include "Frame.h"
-// #include "FrameLoader.h"
-// #include "FrameView.h"
-// #include "HTMLInputElement.h"
-// #include "InputEvent.h"
-// #include "KeyboardEvent.h"
-// #include "Logging.h"
-// #include "MouseEvent.h"
-// #include "ScopedEventQueue.h"
-// #include "ScriptDisallowedScope.h"
-// #include "ShadowRoot.h"
-// #include "TextEvent.h"
-// #include "TouchEvent.h"
-// #include <wtf/text/TextStream.h>
-
-namespace WebCore {
-
-// void EventDispatcher::dispatchScopedEvent(Node& node, Event& event)
-// {
-//     // Need to set the target here so the scoped event queue knows which node to dispatch to.
-//     event.setTarget(EventPath::eventTargetRespectingTargetRules(node));
-//     ScopedEventQueue::singleton().enqueueEvent(event);
-// }
-
-static void callDefaultEventHandlersInBubblingOrder(Event& event, const EventPath& path)
-{
-    if (path.isEmpty())
-        return;
-
-    // Non-bubbling events call only one default event handler, the one for the target.
-    Ref rootNode { *path.contextAt(0).node() };
-    rootNode->defaultEventHandler(event);
-    ASSERT(!event.defaultPrevented());
-
-    if (event.defaultHandled() || !event.bubbles())
-        return;
-
-    size_t size = path.size();
-    for (size_t i = 1; i < size; ++i) {
-        Ref currentNode { *path.contextAt(i).node() };
-        currentNode->defaultEventHandler(event);
-        ASSERT(!event.defaultPrevented());
-        if (event.defaultHandled())
-            return;
-    }
-}
-
-// static bool isInShadowTree(EventTarget* target)
-// {
-//     return is<Node>(target) && downcast<Node>(*target).isInShadowTree();
-// }
-
-static void dispatchEventInDOM(Event& event, const EventPath& path)
-{
-    // Invoke capturing event listeners in the reverse order.
-    for (size_t i = path.size(); i > 0; --i) {
-        const EventContext& eventContext = path.contextAt(i - 1);
-        if (eventContext.currentTarget() == eventContext.target())
-            event.setEventPhase(Event::AT_TARGET);
-        else
-            event.setEventPhase(Event::CAPTURING_PHASE);
-        eventContext.handleLocalEvents(event, EventTarget::EventInvokePhase::Capturing);
-        if (event.propagationStopped())
-            return;
-    }
-
-    // Invoke bubbling event listeners.
-    size_t size = path.size();
-    for (size_t i = 0; i < size; ++i) {
-        const EventContext& eventContext = path.contextAt(i);
-        if (eventContext.currentTarget() == eventContext.target())
-            event.setEventPhase(Event::AT_TARGET);
-        else if (event.bubbles())
-            event.setEventPhase(Event::BUBBLING_PHASE);
-        else
-            continue;
-        eventContext.handleLocalEvents(event, EventTarget::EventInvokePhase::Bubbling);
-        if (event.propagationStopped())
-            return;
-    }
-}
-
-static bool shouldSuppressEventDispatchInDOM(Node& node, Event& event)
-{
-    return false;
-    // if (!event.isTrusted())
-    //     return false;
-
-    // auto frame = node.document().frame();
-    // if (!frame)
-    //     return false;
-
-    // if (!frame->mainFrame().loader().shouldSuppressTextInputFromEditing())
-    //     return false;
-
-    // if (is<TextEvent>(event)) {
-    //     auto& textEvent = downcast<TextEvent>(event);
-    //     return textEvent.isKeyboard() || textEvent.isComposition();
-    // }
-
-    // return is<CompositionEvent>(event) || is<InputEvent>(event) || is<KeyboardEvent>(event);
-}
-
-// static HTMLInputElement* findInputElementInEventPath(const EventPath& path)
-// {
-//     size_t size = path.size();
-//     for (size_t i = 0; i < size; ++i) {
-//         const EventContext& eventContext = path.contextAt(i);
-//         if (is<HTMLInputElement>(eventContext.currentTarget()))
-//             return downcast<HTMLInputElement>(eventContext.currentTarget());
-//     }
-//     return nullptr;
-// }
-
-void EventDispatcher::dispatchEvent(Node& node, Event& event)
-{
-    // ASSERT_WITH_SECURITY_IMPLICATION(ScriptDisallowedScope::InMainThread::isEventDispatchAllowedInSubtree(node));
-
-    // LOG_WITH_STREAM(Events, stream << "EventDispatcher::dispatchEvent " << event << " on node " << node);
-
-    Ref protectedNode { node };
-    // RefPtr protectedView { node.document().view() };
-
-    EventPath eventPath { node, event };
-
-    std::optional<bool> shouldClearTargetsAfterDispatch;
-    // for (size_t i = eventPath.size(); i > 0; --i) {
-    //     const EventContext& eventContext = eventPath.contextAt(i - 1);
-    //     // FIXME: We should also set shouldClearTargetsAfterDispatch to true if an EventTarget object in eventContext's touch target list
-    //     // is a node and its root is a shadow root.
-    //     if (eventContext.target()) {
-    //         shouldClearTargetsAfterDispatch = isInShadowTree(eventContext.target()) || isInShadowTree(eventContext.relatedTarget());
-    //         break;
-    //     }
-    // }
-
-    // ChildNodesLazySnapshot::takeChildNodesLazySnapshot();
-
-    event.resetBeforeDispatch();
-    event.setTarget(node);
-    // event.setTarget(EventPath::eventTargetRespectingTargetRules(node));
-    if (!event.target())
-        return;
-
-    // InputElementClickState clickHandlingState;
-
-    // bool isActivationEvent = event.type() == eventNames().clickEvent;
-    // RefPtr inputForLegacyPreActivationBehavior = dynamicDowncast<HTMLInputElement>(node);
-    // if (!inputForLegacyPreActivationBehavior && isActivationEvent && event.bubbles())
-    //     inputForLegacyPreActivationBehavior = findInputElementInEventPath(eventPath);
-    // if (inputForLegacyPreActivationBehavior)
-    //     inputForLegacyPreActivationBehavior->willDispatchEvent(event, clickHandlingState);
-
-    if (shouldSuppressEventDispatchInDOM(node, event))
-        event.stopPropagation();
-
-    if (!event.propagationStopped() && !eventPath.isEmpty()) {
-        event.setEventPath(eventPath);
-        dispatchEventInDOM(event, eventPath);
-    }
-
-    event.resetAfterDispatch();
-
-    // if (clickHandlingState.stateful)
-    //     inputForLegacyPreActivationBehavior->didDispatchClickEvent(event, clickHandlingState);
-
-    // Call default event handlers. While the DOM does have a concept of preventing
-    // default handling, the detail of which handlers are called is an internal
-    // implementation detail and not part of the DOM.
-    if (!event.defaultPrevented() && !event.defaultHandled() && !event.isDefaultEventHandlerIgnored()) {
-        // FIXME: Not clear why we need to reset the target for the default event handlers.
-        // We should research this, and remove this code if possible.
-        auto* finalTarget = event.target();
-        // event.setTarget(EventPath::eventTargetRespectingTargetRules(node));
-        event.setTarget(node);
-        callDefaultEventHandlersInBubblingOrder(event, eventPath);
-        event.setTarget(finalTarget);
-    }
-
-    if (shouldClearTargetsAfterDispatch.value_or(false)) {
-        event.setTarget(nullptr);
-        event.setRelatedTarget(nullptr);
-        // FIXME: We should also clear the event's touch target list.
-    }
-}
-
-template<typename T>
-static void dispatchEventWithType(const Vector<T*>& targets, Event& event)
-{
-    ASSERT(targets.size() >= 1);
-    ASSERT(*targets.begin());
-
-    EventPath eventPath { targets };
-    event.setTarget(*targets.begin());
-    event.setEventPath(eventPath);
-    event.resetBeforeDispatch();
-    dispatchEventInDOM(event, eventPath);
-    event.resetAfterDispatch();
-}
-
-void EventDispatcher::dispatchEvent(const Vector<EventTarget*>& targets, Event& event)
-{
-    dispatchEventWithType<EventTarget>(targets, event);
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/EventDispatcher.h b/src/javascript/jsc/bindings/webcore/EventDispatcher.h
deleted file mode 100644
index 63ee34bfb..000000000
--- a/src/javascript/jsc/bindings/webcore/EventDispatcher.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2011-2013 Google Inc. All rights reserved.
- * Copyright (C) 2013-2017 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#pragma once
-
-#include <wtf/Forward.h>
-#include "Node.h"
-
-namespace WebCore {
-
-class Element;
-class Event;
-class EventTarget;
-
-namespace EventDispatcher {
-
-void dispatchEvent(Node&, Event&);
-void dispatchEvent(const Vector<EventTarget*>&, Event&);
-
-// void dispatchScopedEvent(Node&, Event&);
-
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventFactory.cpp b/src/javascript/jsc/bindings/webcore/EventFactory.cpp
deleted file mode 100644
index 3677b9dfe..000000000
--- a/src/javascript/jsc/bindings/webcore/EventFactory.cpp
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT.
- *
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "EventHeaders.h"
-#include "JSDOMWrapperCache.h"
-#include "JSDOMGlobalObject.h"
-#include <JavaScriptCore/StructureInlines.h>
-
-namespace WebCore {
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<Event>&& impl)
-{
-    switch (impl->eventInterface()) {
-        //     case AnimationEventInterfaceType:
-        //         return createWrapper<AnimationEvent>(globalObject, WTFMove(impl));
-        //     case AnimationPlaybackEventInterfaceType:
-        //         return createWrapper<AnimationPlaybackEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(APPLE_PAY)
-        //     case ApplePayCancelEventInterfaceType:
-        //         return createWrapper<ApplePayCancelEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(APPLE_PAY_COUPON_CODE)
-        //     case ApplePayCouponCodeChangedEventInterfaceType:
-        //         return createWrapper<ApplePayCouponCodeChangedEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(APPLE_PAY)
-        //     case ApplePayPaymentAuthorizedEventInterfaceType:
-        //         return createWrapper<ApplePayPaymentAuthorizedEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(APPLE_PAY)
-        //     case ApplePayPaymentMethodSelectedEventInterfaceType:
-        //         return createWrapper<ApplePayPaymentMethodSelectedEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(APPLE_PAY)
-        //     case ApplePayShippingContactSelectedEventInterfaceType:
-        //         return createWrapper<ApplePayShippingContactSelectedEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(APPLE_PAY)
-        //     case ApplePayShippingMethodSelectedEventInterfaceType:
-        //         return createWrapper<ApplePayShippingMethodSelectedEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(APPLE_PAY)
-        //     case ApplePayValidateMerchantEventInterfaceType:
-        //         return createWrapper<ApplePayValidateMerchantEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_AUDIO)
-        //     case AudioProcessingEventInterfaceType:
-        //         return createWrapper<AudioProcessingEvent>(globalObject, WTFMove(impl));
-        // #endif
-    case EventInterfaceType: {
-        return createWrapper<Event>(globalObject, WTFMove(impl));
-    }
-    //     case BeforeUnloadEventInterfaceType:
-    //         return createWrapper<BeforeUnloadEvent>(globalObject, WTFMove(impl));
-    // #if ENABLE(MEDIA_RECORDER)
-    //     case BlobEventInterfaceType:
-    //         return createWrapper<BlobEvent>(globalObject, WTFMove(impl));
-    // #endif
-    //     case ClipboardEventInterfaceType:
-    //         return createWrapper<ClipboardEvent>(globalObject, WTFMove(impl));
-    //     case CloseEventInterfaceType:
-    //         return createWrapper<CloseEvent>(globalObject, WTFMove(impl));
-    //     case CompositionEventInterfaceType:
-    //         return createWrapper<CompositionEvent>(globalObject, WTFMove(impl));
-    //     case CustomEventInterfaceType:
-    //         return createWrapper<CustomEvent>(globalObject, WTFMove(impl));
-    // #if ENABLE(DEVICE_ORIENTATION)
-    //     case DeviceMotionEventInterfaceType:
-    //         return createWrapper<DeviceMotionEvent>(globalObject, WTFMove(impl));
-    // #endif
-    // #if ENABLE(DEVICE_ORIENTATION)
-    //     case DeviceOrientationEventInterfaceType:
-    //         return createWrapper<DeviceOrientationEvent>(globalObject, WTFMove(impl));
-    // #endif
-    //     case DragEventInterfaceType:
-    //         return createWrapper<DragEvent>(globalObject, WTFMove(impl));
-    case ErrorEventInterfaceType: {
-        return createWrapper<ErrorEvent>(globalObject, WTFMove(impl));
-    }
-        // #if ENABLE(SERVICE_WORKER)
-        //     case ExtendableEventInterfaceType:
-        //         return createWrapper<ExtendableEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(SERVICE_WORKER)
-        //     case ExtendableMessageEventInterfaceType:
-        //         return createWrapper<ExtendableMessageEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(SERVICE_WORKER)
-        //     case FetchEventInterfaceType:
-        //         return createWrapper<FetchEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case FocusEventInterfaceType:
-        //         return createWrapper<FocusEvent>(globalObject, WTFMove(impl));
-        //     case FormDataEventInterfaceType:
-        //         return createWrapper<FormDataEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(GAMEPAD)
-        //     case GamepadEventInterfaceType:
-        //         return createWrapper<GamepadEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(IOS_GESTURE_EVENTS) || ENABLE(MAC_GESTURE_EVENTS)
-        //     case GestureEventInterfaceType:
-        //         return createWrapper<GestureEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case HashChangeEventInterfaceType:
-        //         return createWrapper<HashChangeEvent>(globalObject, WTFMove(impl));
-        //     case IDBVersionChangeEventInterfaceType:
-        //         return createWrapper<IDBVersionChangeEvent>(globalObject, WTFMove(impl));
-        //     case InputEventInterfaceType:
-        //         return createWrapper<InputEvent>(globalObject, WTFMove(impl));
-        //     case KeyboardEventInterfaceType:
-        //         return createWrapper<KeyboardEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(ENCRYPTED_MEDIA)
-        //     case MediaEncryptedEventInterfaceType:
-        //         return createWrapper<MediaEncryptedEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(ENCRYPTED_MEDIA)
-        //     case MediaKeyMessageEventInterfaceType:
-        //         return createWrapper<MediaKeyMessageEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case MediaQueryListEventInterfaceType:
-        //         return createWrapper<MediaQueryListEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(MEDIA_RECORDER)
-        //     case MediaRecorderErrorEventInterfaceType:
-        //         return createWrapper<MediaRecorderErrorEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(MEDIA_STREAM)
-        //     case MediaStreamTrackEventInterfaceType:
-        //         return createWrapper<MediaStreamTrackEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(PAYMENT_REQUEST)
-        //     case MerchantValidationEventInterfaceType:
-        //         return createWrapper<MerchantValidationEvent>(globalObject, WTFMove(impl));
-        // #endif
-    case MessageEventInterfaceType:
-        return createWrapper<MessageEvent>(globalObject, WTFMove(impl));
-        //     case MouseEventInterfaceType:
-        //         return createWrapper<MouseEvent>(globalObject, WTFMove(impl));
-        //     case MutationEventInterfaceType:
-        //         return createWrapper<MutationEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(NOTIFICATION_EVENT)
-        //     case NotificationEventInterfaceType:
-        //         return createWrapper<NotificationEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_AUDIO)
-        //     case OfflineAudioCompletionEventInterfaceType:
-        //         return createWrapper<OfflineAudioCompletionEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(MEDIA_STREAM)
-        //     case OverconstrainedErrorEventInterfaceType:
-        //         return createWrapper<OverconstrainedErrorEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case OverflowEventInterfaceType:
-        //         return createWrapper<OverflowEvent>(globalObject, WTFMove(impl));
-        //     case PageTransitionEventInterfaceType:
-        //         return createWrapper<PageTransitionEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(PAYMENT_REQUEST)
-        //     case PaymentMethodChangeEventInterfaceType:
-        //         return createWrapper<PaymentMethodChangeEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(PAYMENT_REQUEST)
-        //     case PaymentRequestUpdateEventInterfaceType:
-        //         return createWrapper<PaymentRequestUpdateEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(PICTURE_IN_PICTURE_API)
-        //     case PictureInPictureEventInterfaceType:
-        //         return createWrapper<PictureInPictureEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case PointerEventInterfaceType:
-        //         return createWrapper<PointerEvent>(globalObject, WTFMove(impl));
-        //     case PopStateEventInterfaceType:
-        //         return createWrapper<PopStateEvent>(globalObject, WTFMove(impl));
-        //     case ProgressEventInterfaceType:
-        //         return createWrapper<ProgressEvent>(globalObject, WTFMove(impl));
-        //     case PromiseRejectionEventInterfaceType:
-        //         return createWrapper<PromiseRejectionEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(SERVICE_WORKER)
-        //     case PushEventInterfaceType:
-        //         return createWrapper<PushEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(SERVICE_WORKER)
-        //     case PushSubscriptionChangeEventInterfaceType:
-        //         return createWrapper<PushSubscriptionChangeEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCDTMFToneChangeEventInterfaceType:
-        //         return createWrapper<RTCDTMFToneChangeEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCDataChannelEventInterfaceType:
-        //         return createWrapper<RTCDataChannelEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCErrorEventInterfaceType:
-        //         return createWrapper<RTCErrorEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCPeerConnectionIceErrorEventInterfaceType:
-        //         return createWrapper<RTCPeerConnectionIceErrorEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCPeerConnectionIceEventInterfaceType:
-        //         return createWrapper<RTCPeerConnectionIceEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCRtpSFrameTransformErrorEventInterfaceType:
-        //         return createWrapper<RTCRtpSFrameTransformErrorEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCTrackEventInterfaceType:
-        //         return createWrapper<RTCTrackEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCTransformEventInterfaceType:
-        //         return createWrapper<RTCTransformEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case SVGZoomEventInterfaceType:
-        //         return createWrapper<SVGZoomEvent>(globalObject, WTFMove(impl));
-        //     case SecurityPolicyViolationEventInterfaceType:
-        //         return createWrapper<SecurityPolicyViolationEvent>(globalObject, WTFMove(impl));
-        //     case SpeechRecognitionErrorEventInterfaceType:
-        //         return createWrapper<SpeechRecognitionErrorEvent>(globalObject, WTFMove(impl));
-        //     case SpeechRecognitionEventInterfaceType:
-        //         return createWrapper<SpeechRecognitionEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(SPEECH_SYNTHESIS)
-        //     case SpeechSynthesisErrorEventInterfaceType:
-        //         return createWrapper<SpeechSynthesisErrorEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(SPEECH_SYNTHESIS)
-        //     case SpeechSynthesisEventInterfaceType:
-        //         return createWrapper<SpeechSynthesisEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case StorageEventInterfaceType:
-        //         return createWrapper<StorageEvent>(globalObject, WTFMove(impl));
-        //     case SubmitEventInterfaceType:
-        //         return createWrapper<SubmitEvent>(globalObject, WTFMove(impl));
-        //     case TextEventInterfaceType:
-        //         return createWrapper<TextEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(TOUCH_EVENTS)
-        //     case TouchEventInterfaceType:
-        //         return createWrapper<TouchEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(VIDEO)
-        //     case TrackEventInterfaceType:
-        //         return createWrapper<TrackEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case TransitionEventInterfaceType:
-        //         return createWrapper<TransitionEvent>(globalObject, WTFMove(impl));
-        //     case UIEventInterfaceType:
-        //         return createWrapper<UIEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(WEBGL)
-        //     case WebGLContextEventInterfaceType:
-        //         return createWrapper<WebGLContextEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(LEGACY_ENCRYPTED_MEDIA)
-        //     case WebKitMediaKeyMessageEventInterfaceType:
-        //         return createWrapper<WebKitMediaKeyMessageEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(LEGACY_ENCRYPTED_MEDIA)
-        //     case WebKitMediaKeyNeededEventInterfaceType:
-        //         return createWrapper<WebKitMediaKeyNeededEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WIRELESS_PLAYBACK_TARGET)
-        //     case WebKitPlaybackTargetAvailabilityEventInterfaceType:
-        //         return createWrapper<WebKitPlaybackTargetAvailabilityEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     case WheelEventInterfaceType:
-        //         return createWrapper<WheelEvent>(globalObject, WTFMove(impl));
-        //     case XMLHttpRequestProgressEventInterfaceType:
-        //         return createWrapper<XMLHttpRequestProgressEvent>(globalObject, WTFMove(impl));
-        // #if ENABLE(WEBXR)
-        //     case XRInputSourceEventInterfaceType:
-        //         return createWrapper<XRInputSourceEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEBXR)
-        //     case XRInputSourcesChangeEventInterfaceType:
-        //         return createWrapper<XRInputSourcesChangeEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEBXR)
-        //     case XRReferenceSpaceEventInterfaceType:
-        //         return createWrapper<XRReferenceSpaceEvent>(globalObject, WTFMove(impl));
-        // #endif
-        // #if ENABLE(WEBXR)
-        //     case XRSessionEventInterfaceType:
-        //         return createWrapper<XRSessionEvent>(globalObject, WTFMove(impl));
-        // #endif
-        //     }
-        return createWrapper<Event>(globalObject, WTFMove(impl));
-    }
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventHeaders.h b/src/javascript/jsc/bindings/webcore/EventHeaders.h
deleted file mode 100644
index 347d333d0..000000000
--- a/src/javascript/jsc/bindings/webcore/EventHeaders.h
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
- * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT.
- *
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef EventHeaders_h
-#define EventHeaders_h
-
-// #include "AnimationEvent.h"
-// #include "JSAnimationEvent.h"
-// #include "AnimationPlaybackEvent.h"
-// #include "JSAnimationPlaybackEvent.h"
-// #if ENABLE(APPLE_PAY)
-// #include "ApplePayCancelEvent.h"
-// #include "JSApplePayCancelEvent.h"
-// #endif
-// #if ENABLE(APPLE_PAY_COUPON_CODE)
-// #include "ApplePayCouponCodeChangedEvent.h"
-// #include "JSApplePayCouponCodeChangedEvent.h"
-// #endif
-// #if ENABLE(APPLE_PAY)
-// #include "ApplePayPaymentAuthorizedEvent.h"
-// #include "JSApplePayPaymentAuthorizedEvent.h"
-// #endif
-// #if ENABLE(APPLE_PAY)
-// #include "ApplePayPaymentMethodSelectedEvent.h"
-// #include "JSApplePayPaymentMethodSelectedEvent.h"
-// #endif
-// #if ENABLE(APPLE_PAY)
-// #include "ApplePayShippingContactSelectedEvent.h"
-// #include "JSApplePayShippingContactSelectedEvent.h"
-// #endif
-// #if ENABLE(APPLE_PAY)
-// #include "ApplePayShippingMethodSelectedEvent.h"
-// #include "JSApplePayShippingMethodSelectedEvent.h"
-// #endif
-// #if ENABLE(APPLE_PAY)
-// #include "ApplePayValidateMerchantEvent.h"
-// #include "JSApplePayValidateMerchantEvent.h"
-// #endif
-// #if ENABLE(WEB_AUDIO)
-// #include "AudioProcessingEvent.h"
-// #include "JSAudioProcessingEvent.h"
-// #endif
-#include "Event.h"
-#include "JSEvent.h"
-// #include "BeforeUnloadEvent.h"
-// #include "JSBeforeUnloadEvent.h"
-// #if ENABLE(MEDIA_RECORDER)
-// #include "BlobEvent.h"
-// #include "JSBlobEvent.h"
-// #endif
-// #include "ClipboardEvent.h"
-// #include "JSClipboardEvent.h"
-// #include "CloseEvent.h"
-// #include "JSCloseEvent.h"
-// #include "CompositionEvent.h"
-// #include "JSCompositionEvent.h"
-// #include "CustomEvent.h"
-// #include "JSCustomEvent.h"
-// #if ENABLE(DEVICE_ORIENTATION)
-// #include "DeviceMotionEvent.h"
-// #include "JSDeviceMotionEvent.h"
-// #endif
-// #if ENABLE(DEVICE_ORIENTATION)
-// #include "DeviceOrientationEvent.h"
-// #include "JSDeviceOrientationEvent.h"
-// #endif
-// #include "DragEvent.h"
-// #include "JSDragEvent.h"
-#include "ErrorEvent.h"
-#include "JSErrorEvent.h"
-// #if ENABLE(SERVICE_WORKER)
-// #include "ExtendableEvent.h"
-// #include "JSExtendableEvent.h"
-// #endif
-// #if ENABLE(SERVICE_WORKER)
-// #include "ExtendableMessageEvent.h"
-// #include "JSExtendableMessageEvent.h"
-// #endif
-// #if ENABLE(SERVICE_WORKER)
-// #include "FetchEvent.h"
-// #include "JSFetchEvent.h"
-// #endif
-// #include "FocusEvent.h"
-// #include "JSFocusEvent.h"
-// #include "FormDataEvent.h"
-// #include "JSFormDataEvent.h"
-// #if ENABLE(GAMEPAD)
-// #include "GamepadEvent.h"
-// #include "JSGamepadEvent.h"
-// #endif
-// #if ENABLE(IOS_GESTURE_EVENTS) || ENABLE(MAC_GESTURE_EVENTS)
-// #include "GestureEvent.h"
-// #include "JSGestureEvent.h"
-// #endif
-// #include "HashChangeEvent.h"
-// #include "JSHashChangeEvent.h"
-// #include "IDBVersionChangeEvent.h"
-// #include "JSIDBVersionChangeEvent.h"
-// #include "InputEvent.h"
-// #include "JSInputEvent.h"
-// #include "KeyboardEvent.h"
-// #include "JSKeyboardEvent.h"
-// #if ENABLE(ENCRYPTED_MEDIA)
-// #include "MediaEncryptedEvent.h"
-// #include "JSMediaEncryptedEvent.h"
-// #endif
-// #if ENABLE(ENCRYPTED_MEDIA)
-// #include "MediaKeyMessageEvent.h"
-// #include "JSMediaKeyMessageEvent.h"
-// #endif
-// #include "MediaQueryListEvent.h"
-// #include "JSMediaQueryListEvent.h"
-// #if ENABLE(MEDIA_RECORDER)
-// #include "MediaRecorderErrorEvent.h"
-// #include "JSMediaRecorderErrorEvent.h"
-// #endif
-// #if ENABLE(MEDIA_STREAM)
-// #include "MediaStreamTrackEvent.h"
-// #include "JSMediaStreamTrackEvent.h"
-// #endif
-// #if ENABLE(PAYMENT_REQUEST)
-// #include "MerchantValidationEvent.h"
-// #include "JSMerchantValidationEvent.h"
-// #endif
-#include "MessageEvent.h"
-#include "JSMessageEvent.h"
-// #include "MouseEvent.h"
-// #include "JSMouseEvent.h"
-// #include "MutationEvent.h"
-// #include "JSMutationEvent.h"
-// #if ENABLE(NOTIFICATION_EVENT)
-// #include "NotificationEvent.h"
-// #include "JSNotificationEvent.h"
-// #endif
-// #if ENABLE(WEB_AUDIO)
-// #include "OfflineAudioCompletionEvent.h"
-// #include "JSOfflineAudioCompletionEvent.h"
-// #endif
-// #if ENABLE(MEDIA_STREAM)
-// #include "OverconstrainedErrorEvent.h"
-// #include "JSOverconstrainedErrorEvent.h"
-// #endif
-// #include "OverflowEvent.h"
-// #include "JSOverflowEvent.h"
-// #include "PageTransitionEvent.h"
-// #include "JSPageTransitionEvent.h"
-// #if ENABLE(PAYMENT_REQUEST)
-// #include "PaymentMethodChangeEvent.h"
-// #include "JSPaymentMethodChangeEvent.h"
-// #endif
-// #if ENABLE(PAYMENT_REQUEST)
-// #include "PaymentRequestUpdateEvent.h"
-// #include "JSPaymentRequestUpdateEvent.h"
-// #endif
-// #if ENABLE(PICTURE_IN_PICTURE_API)
-// #include "PictureInPictureEvent.h"
-// #include "JSPictureInPictureEvent.h"
-// #endif
-// #include "PointerEvent.h"
-// #include "JSPointerEvent.h"
-// #include "PopStateEvent.h"
-// #include "JSPopStateEvent.h"
-// #include "ProgressEvent.h"
-// #include "JSProgressEvent.h"
-// #include "PromiseRejectionEvent.h"
-// #include "JSPromiseRejectionEvent.h"
-// #if ENABLE(SERVICE_WORKER)
-// #include "PushEvent.h"
-// #include "JSPushEvent.h"
-// #endif
-// #if ENABLE(SERVICE_WORKER)
-// #include "PushSubscriptionChangeEvent.h"
-// #include "JSPushSubscriptionChangeEvent.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "RTCDTMFToneChangeEvent.h"
-// #include "JSRTCDTMFToneChangeEvent.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "RTCDataChannelEvent.h"
-// #include "JSRTCDataChannelEvent.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "RTCErrorEvent.h"
-// #include "JSRTCErrorEvent.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "RTCPeerConnectionIceErrorEvent.h"
-// #include "JSRTCPeerConnectionIceErrorEvent.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "RTCPeerConnectionIceEvent.h"
-// #include "JSRTCPeerConnectionIceEvent.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "RTCRtpSFrameTransformErrorEvent.h"
-// #include "JSRTCRtpSFrameTransformErrorEvent.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "RTCTrackEvent.h"
-// #include "JSRTCTrackEvent.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "RTCTransformEvent.h"
-// #include "JSRTCTransformEvent.h"
-// #endif
-// #include "SVGZoomEvent.h"
-// #include "JSSVGZoomEvent.h"
-// #include "SecurityPolicyViolationEvent.h"
-// #include "JSSecurityPolicyViolationEvent.h"
-// #include "SpeechRecognitionErrorEvent.h"
-// #include "JSSpeechRecognitionErrorEvent.h"
-// #include "SpeechRecognitionEvent.h"
-// #include "JSSpeechRecognitionEvent.h"
-// #if ENABLE(SPEECH_SYNTHESIS)
-// #include "SpeechSynthesisErrorEvent.h"
-// #include "JSSpeechSynthesisErrorEvent.h"
-// #endif
-// #if ENABLE(SPEECH_SYNTHESIS)
-// #include "SpeechSynthesisEvent.h"
-// #include "JSSpeechSynthesisEvent.h"
-// #endif
-// #include "StorageEvent.h"
-// #include "JSStorageEvent.h"
-// #include "SubmitEvent.h"
-// #include "JSSubmitEvent.h"
-// #include "TextEvent.h"
-// #include "JSTextEvent.h"
-// #if ENABLE(TOUCH_EVENTS)
-// #include "TouchEvent.h"
-// #include "JSTouchEvent.h"
-// #endif
-// #if ENABLE(VIDEO)
-// #include "TrackEvent.h"
-// #include "JSTrackEvent.h"
-// #endif
-// #include "TransitionEvent.h"
-// #include "JSTransitionEvent.h"
-// #include "UIEvent.h"
-// #include "JSUIEvent.h"
-// #if ENABLE(WEBGL)
-// #include "WebGLContextEvent.h"
-// #include "JSWebGLContextEvent.h"
-// #endif
-// #if ENABLE(LEGACY_ENCRYPTED_MEDIA)
-// #include "WebKitMediaKeyMessageEvent.h"
-// #include "JSWebKitMediaKeyMessageEvent.h"
-// #endif
-// #if ENABLE(LEGACY_ENCRYPTED_MEDIA)
-// #include "WebKitMediaKeyNeededEvent.h"
-// #include "JSWebKitMediaKeyNeededEvent.h"
-// #endif
-// #if ENABLE(WIRELESS_PLAYBACK_TARGET)
-// #include "WebKitPlaybackTargetAvailabilityEvent.h"
-// #include "JSWebKitPlaybackTargetAvailabilityEvent.h"
-// #endif
-// #include "WheelEvent.h"
-// #include "JSWheelEvent.h"
-// #include "XMLHttpRequestProgressEvent.h"
-// #include "JSXMLHttpRequestProgressEvent.h"
-// #if ENABLE(WEBXR)
-// #include "XRInputSourceEvent.h"
-// #include "JSXRInputSourceEvent.h"
-// #endif
-// #if ENABLE(WEBXR)
-// #include "XRInputSourcesChangeEvent.h"
-// #include "JSXRInputSourcesChangeEvent.h"
-// #endif
-// #if ENABLE(WEBXR)
-// #include "XRReferenceSpaceEvent.h"
-// #include "JSXRReferenceSpaceEvent.h"
-// #endif
-// #if ENABLE(WEBXR)
-// #include "XRSessionEvent.h"
-// #include "JSXRSessionEvent.h"
-// #endif
-
-#endif // EventHeaders_h
diff --git a/src/javascript/jsc/bindings/webcore/EventInit.h b/src/javascript/jsc/bindings/webcore/EventInit.h
deleted file mode 100644
index 0e588593c..000000000
--- a/src/javascript/jsc/bindings/webcore/EventInit.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2016-2018 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-namespace WebCore {
-
-struct EventInit {
-    bool bubbles { false };
-    bool cancelable { false };
-    bool composed { false };
-
-    template<class Encoder> void encode(Encoder&) const;
-    template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, EventInit&);
-};
-
-template<class Encoder>
-void EventInit::encode(Encoder& encoder) const
-{
-    encoder << bubbles;
-    encoder << cancelable;
-    encoder << composed;
-}
-
-template<class Decoder>
-bool EventInit::decode(Decoder& decoder, EventInit& eventInit)
-{
-    if (!decoder.decode(eventInit.bubbles))
-        return false;
-    if (!decoder.decode(eventInit.cancelable))
-        return false;
-    if (!decoder.decode(eventInit.composed))
-        return false;
-    return true;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/EventInit.idl b/src/javascript/jsc/bindings/webcore/EventInit.idl
deleted file mode 100644
index e55a03034..000000000
--- a/src/javascript/jsc/bindings/webcore/EventInit.idl
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-dictionary EventInit {
-    boolean bubbles = false;
-    boolean cancelable = false;
-    boolean composed = false;
-};
diff --git a/src/javascript/jsc/bindings/webcore/EventInterfaces.h b/src/javascript/jsc/bindings/webcore/EventInterfaces.h
deleted file mode 100644
index 5bb0962b6..000000000
--- a/src/javascript/jsc/bindings/webcore/EventInterfaces.h
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT.
- *
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-namespace WebCore {
-
-enum EventInterface {
-#if ENABLE(APPLE_PAY)
-    ApplePayCancelEventInterfaceType = 1,
-    ApplePayPaymentAuthorizedEventInterfaceType = 2,
-    ApplePayPaymentMethodSelectedEventInterfaceType = 3,
-    ApplePayShippingContactSelectedEventInterfaceType = 4,
-    ApplePayShippingMethodSelectedEventInterfaceType = 5,
-    ApplePayValidateMerchantEventInterfaceType = 6,
-#endif
-#if ENABLE(APPLE_PAY_COUPON_CODE)
-    ApplePayCouponCodeChangedEventInterfaceType = 7,
-#endif
-#if ENABLE(DEVICE_ORIENTATION)
-    DeviceMotionEventInterfaceType = 8,
-    DeviceOrientationEventInterfaceType = 9,
-#endif
-#if ENABLE(ENCRYPTED_MEDIA)
-    MediaEncryptedEventInterfaceType = 10,
-    MediaKeyMessageEventInterfaceType = 11,
-#endif
-#if ENABLE(GAMEPAD)
-    GamepadEventInterfaceType = 12,
-#endif
-#if ENABLE(IOS_GESTURE_EVENTS) || ENABLE(MAC_GESTURE_EVENTS)
-    GestureEventInterfaceType = 13,
-#endif
-#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
-    WebKitMediaKeyMessageEventInterfaceType = 14,
-    WebKitMediaKeyNeededEventInterfaceType = 15,
-#endif
-#if ENABLE(MEDIA_RECORDER)
-    BlobEventInterfaceType = 16,
-    MediaRecorderErrorEventInterfaceType = 17,
-#endif
-#if ENABLE(MEDIA_STREAM)
-    MediaStreamTrackEventInterfaceType = 18,
-    OverconstrainedErrorEventInterfaceType = 19,
-#endif
-#if ENABLE(NOTIFICATION_EVENT)
-    NotificationEventInterfaceType = 20,
-#endif
-#if ENABLE(ORIENTATION_EVENTS)
-#endif
-#if ENABLE(PAYMENT_REQUEST)
-    MerchantValidationEventInterfaceType = 21,
-    PaymentMethodChangeEventInterfaceType = 22,
-    PaymentRequestUpdateEventInterfaceType = 23,
-#endif
-#if ENABLE(PICTURE_IN_PICTURE_API)
-    PictureInPictureEventInterfaceType = 24,
-#endif
-#if ENABLE(SERVICE_WORKER)
-    ExtendableEventInterfaceType = 25,
-    ExtendableMessageEventInterfaceType = 26,
-    FetchEventInterfaceType = 27,
-    PushEventInterfaceType = 28,
-    PushSubscriptionChangeEventInterfaceType = 29,
-#endif
-#if ENABLE(SPEECH_SYNTHESIS)
-    SpeechSynthesisErrorEventInterfaceType = 30,
-    SpeechSynthesisEventInterfaceType = 31,
-#endif
-#if ENABLE(TOUCH_EVENTS)
-    TouchEventInterfaceType = 32,
-#endif
-#if ENABLE(VIDEO)
-    TrackEventInterfaceType = 33,
-#endif
-#if ENABLE(WEBGL)
-    WebGLContextEventInterfaceType = 34,
-#endif
-#if ENABLE(WEBXR)
-    XRInputSourceEventInterfaceType = 35,
-    XRInputSourcesChangeEventInterfaceType = 36,
-    XRReferenceSpaceEventInterfaceType = 37,
-    XRSessionEventInterfaceType = 38,
-#endif
-#if ENABLE(WEB_AUDIO)
-    AudioProcessingEventInterfaceType = 39,
-    OfflineAudioCompletionEventInterfaceType = 40,
-#endif
-#if ENABLE(WEB_RTC)
-    RTCDTMFToneChangeEventInterfaceType = 41,
-    RTCDataChannelEventInterfaceType = 42,
-    RTCErrorEventInterfaceType = 43,
-    RTCPeerConnectionIceErrorEventInterfaceType = 44,
-    RTCPeerConnectionIceEventInterfaceType = 45,
-    RTCRtpSFrameTransformErrorEventInterfaceType = 46,
-    RTCTrackEventInterfaceType = 47,
-    RTCTransformEventInterfaceType = 48,
-#endif
-#if ENABLE(WIRELESS_PLAYBACK_TARGET)
-    WebKitPlaybackTargetAvailabilityEventInterfaceType = 49,
-#endif
-    AnimationEventInterfaceType = 50,
-    AnimationPlaybackEventInterfaceType = 51,
-    BeforeUnloadEventInterfaceType = 52,
-    ClipboardEventInterfaceType = 53,
-    CloseEventInterfaceType = 54,
-    CompositionEventInterfaceType = 55,
-    CustomEventInterfaceType = 56,
-    DragEventInterfaceType = 57,
-    ErrorEventInterfaceType = 58,
-    EventInterfaceType = 59,
-    FocusEventInterfaceType = 60,
-    FormDataEventInterfaceType = 61,
-    HashChangeEventInterfaceType = 62,
-    IDBVersionChangeEventInterfaceType = 63,
-    InputEventInterfaceType = 64,
-    KeyboardEventInterfaceType = 65,
-    MediaQueryListEventInterfaceType = 66,
-    MessageEventInterfaceType = 67,
-    MouseEventInterfaceType = 68,
-    MutationEventInterfaceType = 69,
-    OverflowEventInterfaceType = 70,
-    PageTransitionEventInterfaceType = 71,
-    PointerEventInterfaceType = 72,
-    PopStateEventInterfaceType = 73,
-    ProgressEventInterfaceType = 74,
-    PromiseRejectionEventInterfaceType = 75,
-    SVGZoomEventInterfaceType = 76,
-    SecurityPolicyViolationEventInterfaceType = 77,
-    SpeechRecognitionErrorEventInterfaceType = 78,
-    SpeechRecognitionEventInterfaceType = 79,
-    StorageEventInterfaceType = 80,
-    SubmitEventInterfaceType = 81,
-    TextEventInterfaceType = 82,
-    TransitionEventInterfaceType = 83,
-    UIEventInterfaceType = 84,
-    WheelEventInterfaceType = 85,
-    XMLHttpRequestProgressEventInterfaceType = 86,
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventListener.h b/src/javascript/jsc/bindings/webcore/EventListener.h
deleted file mode 100644
index 7ceb38b1e..000000000
--- a/src/javascript/jsc/bindings/webcore/EventListener.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (C) 2006-2021 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#pragma once
-
-#include <wtf/RefCounted.h>
-#include <wtf/WeakPtr.h>
-
-namespace JSC {
-class AbstractSlotVisitor;
-class JSObject;
-class SlotVisitor;
-}
-
-namespace WebCore {
-
-class ScriptExecutionContext;
-class Event;
-class EventTarget;
-
-class EventListener : public RefCounted<EventListener>, public CanMakeWeakPtr<EventListener> {
-public:
-    enum Type {
-        JSEventListenerType,
-        ImageEventListenerType,
-        ObjCEventListenerType,
-        CPPEventListenerType,
-        ConditionEventListenerType,
-        GObjectEventListenerType,
-        NativeEventListenerType,
-        SVGTRefTargetEventListenerType,
-        PDFDocumentEventListenerType,
-    };
-
-    virtual ~EventListener() = default;
-    virtual bool operator==(const EventListener&) const = 0;
-    virtual void handleEvent(ScriptExecutionContext&, Event&) = 0;
-
-    virtual void visitJSFunction(JSC::AbstractSlotVisitor&) { }
-    virtual void visitJSFunction(JSC::SlotVisitor&) { }
-
-    virtual bool isAttribute() const { return false; }
-    Type type() const { return m_type; }
-
-#if ASSERT_ENABLED
-    virtual void checkValidityForEventTarget(EventTarget&) { }
-#endif
-
-    virtual JSC::JSObject* jsFunction() const { return nullptr; }
-    virtual JSC::JSObject* wrapper() const { return nullptr; }
-
-protected:
-    explicit EventListener(Type type)
-        : m_type(type)
-    {
-    }
-
-private:
-    Type m_type;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventListener.idl b/src/javascript/jsc/bindings/webcore/EventListener.idl
deleted file mode 100644
index 5813a3500..000000000
--- a/src/javascript/jsc/bindings/webcore/EventListener.idl
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2006 Apple Inc.
- * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-// https://dom.spec.whatwg.org/#callbackdef-eventlistener
-// FIXME: This should be a callback interface.
-[
-    LegacyNoInterfaceObject
-] interface EventListener {
-    undefined handleEvent(Event event);
-};
diff --git a/src/javascript/jsc/bindings/webcore/EventListenerMap.cpp b/src/javascript/jsc/bindings/webcore/EventListenerMap.cpp
deleted file mode 100644
index 5014cfa00..000000000
--- a/src/javascript/jsc/bindings/webcore/EventListenerMap.cpp
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- *           (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2011 Andreas Kling (kling@webkit.org)
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "config.h"
-#include "EventListenerMap.h"
-
-#include "AddEventListenerOptions.h"
-#include "Event.h"
-#include "EventTarget.h"
-#include "JSEventListener.h"
-#include <wtf/MainThread.h>
-#include <wtf/StdLibExtras.h>
-#include <wtf/Vector.h>
-
-
-namespace WebCore {
-
-EventListenerMap::EventListenerMap() = default;
-
-bool EventListenerMap::containsCapturing(const AtomString& eventType) const
-{
-    auto* listeners = find(eventType);
-    if (!listeners)
-        return false;
-
-    for (auto& eventListener : *listeners) {
-        if (eventListener->useCapture())
-            return true;
-    }
-    return false;
-}
-
-bool EventListenerMap::containsActive(const AtomString& eventType) const
-{
-    auto* listeners = find(eventType);
-    if (!listeners)
-        return false;
-
-    for (auto& eventListener : *listeners) {
-        if (!eventListener->isPassive())
-            return true;
-    }
-    return false;
-}
-
-void EventListenerMap::clear()
-{
-    Locker locker { m_lock };
-
-    for (auto& entry : m_entries) {
-        for (auto& listener : entry.second)
-            listener->markAsRemoved();
-    }
-
-    m_entries.clear();
-}
-
-Vector<AtomString> EventListenerMap::eventTypes() const
-{
-    return m_entries.map([](auto& entry) {
-        return entry.first;
-    });
-}
-
-static inline size_t findListener(const EventListenerVector& listeners, EventListener& listener, bool useCapture)
-{
-    for (size_t i = 0; i < listeners.size(); ++i) {
-        auto& registeredListener = listeners[i];
-        if (registeredListener->callback() == listener && registeredListener->useCapture() == useCapture)
-            return i;
-    }
-    return notFound;
-}
-
-void EventListenerMap::replace(const AtomString& eventType, EventListener& oldListener, Ref<EventListener>&& newListener, const RegisteredEventListener::Options& options)
-{
-    Locker locker { m_lock };
-
-    auto* listeners = find(eventType);
-    ASSERT(listeners);
-    size_t index = findListener(*listeners, oldListener, options.capture);
-    ASSERT(index != notFound);
-    auto& registeredListener = listeners->at(index);
-    registeredListener->markAsRemoved();
-    registeredListener = RegisteredEventListener::create(WTFMove(newListener), options);
-}
-
-bool EventListenerMap::add(const AtomString& eventType, Ref<EventListener>&& listener, const RegisteredEventListener::Options& options)
-{
-    Locker locker { m_lock };
-
-    if (auto* listeners = find(eventType)) {
-        if (findListener(*listeners, listener, options.capture) != notFound)
-            return false; // Duplicate listener.
-        listeners->append(RegisteredEventListener::create(WTFMove(listener), options));
-        return true;
-    }
-
-    m_entries.append({ eventType, EventListenerVector { RegisteredEventListener::create(WTFMove(listener), options) } });
-    return true;
-}
-
-static bool removeListenerFromVector(EventListenerVector& listeners, EventListener& listener, bool useCapture)
-{
-    size_t indexOfRemovedListener = findListener(listeners, listener, useCapture);
-    if (UNLIKELY(indexOfRemovedListener == notFound))
-        return false;
-
-    listeners[indexOfRemovedListener]->markAsRemoved();
-    listeners.remove(indexOfRemovedListener);
-    return true;
-}
-
-bool EventListenerMap::remove(const AtomString& eventType, EventListener& listener, bool useCapture)
-{
-    Locker locker { m_lock };
-
-    for (unsigned i = 0; i < m_entries.size(); ++i) {
-        if (m_entries[i].first == eventType) {
-            bool wasRemoved = removeListenerFromVector(m_entries[i].second, listener, useCapture);
-            if (m_entries[i].second.isEmpty())
-                m_entries.remove(i);
-            return wasRemoved;
-        }
-    }
-
-    return false;
-}
-
-EventListenerVector* EventListenerMap::find(const AtomString& eventType)
-{
-    for (auto& entry : m_entries) {
-        if (entry.first == eventType)
-            return &entry.second;
-    }
-
-    return nullptr;
-}
-
-static void removeFirstListenerCreatedFromMarkup(EventListenerVector& listenerVector)
-{
-    bool foundListener = listenerVector.removeFirstMatching([] (const auto& registeredListener) {
-        if (JSEventListener::wasCreatedFromMarkup(registeredListener->callback())) {
-            registeredListener->markAsRemoved();
-            return true;
-        }
-        return false;
-    });
-    ASSERT_UNUSED(foundListener, foundListener);
-}
-
-void EventListenerMap::removeFirstEventListenerCreatedFromMarkup(const AtomString& eventType)
-{
-    Locker locker { m_lock };
-
-    for (unsigned i = 0; i < m_entries.size(); ++i) {
-        if (m_entries[i].first == eventType) {
-            removeFirstListenerCreatedFromMarkup(m_entries[i].second);
-            if (m_entries[i].second.isEmpty())
-                m_entries.remove(i);
-            return;
-        }
-    }
-}
-
-static void copyListenersNotCreatedFromMarkupToTarget(const AtomString& eventType, EventListenerVector& listenerVector, EventTarget* target)
-{
-    for (auto& registeredListener : listenerVector) {
-        // Event listeners created from markup have already been transfered to the shadow tree during cloning.
-        if (JSEventListener::wasCreatedFromMarkup(registeredListener->callback()))
-            continue;
-        target->addEventListener(eventType, registeredListener->callback(), registeredListener->useCapture());
-    }
-}
-
-void EventListenerMap::copyEventListenersNotCreatedFromMarkupToTarget(EventTarget* target)
-{
-    for (auto& entry : m_entries)
-        copyListenersNotCreatedFromMarkupToTarget(entry.first, entry.second, target);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventListenerMap.h b/src/javascript/jsc/bindings/webcore/EventListenerMap.h
deleted file mode 100644
index d5b83c220..000000000
--- a/src/javascript/jsc/bindings/webcore/EventListenerMap.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2012 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- *           (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2011 Andreas Kling (kling@webkit.org)
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#pragma once
-
-#include "RegisteredEventListener.h"
-#include <atomic>
-#include <memory>
-#include <wtf/Forward.h>
-#include <wtf/Lock.h>
-#include <wtf/text/AtomString.h>
-
-namespace WebCore {
-
-class EventTarget;
-
-using EventListenerVector = Vector<RefPtr<RegisteredEventListener>, 1, CrashOnOverflow, 2>;
-
-class EventListenerMap {
-public:
-    EventListenerMap();
-
-    bool isEmpty() const { return m_entries.isEmpty(); }
-    bool contains(const AtomString& eventType) const { return find(eventType); }
-    bool containsCapturing(const AtomString& eventType) const;
-    bool containsActive(const AtomString& eventType) const;
-
-    void clear();
-
-    void replace(const AtomString& eventType, EventListener& oldListener, Ref<EventListener>&& newListener, const RegisteredEventListener::Options&);
-    bool add(const AtomString& eventType, Ref<EventListener>&&, const RegisteredEventListener::Options&);
-    bool remove(const AtomString& eventType, EventListener&, bool useCapture);
-    WEBCORE_EXPORT EventListenerVector* find(const AtomString& eventType);
-    const EventListenerVector* find(const AtomString& eventType) const { return const_cast<EventListenerMap*>(this)->find(eventType); }
-    Vector<AtomString> eventTypes() const;
-
-    void removeFirstEventListenerCreatedFromMarkup(const AtomString& eventType);
-    void copyEventListenersNotCreatedFromMarkupToTarget(EventTarget*);
-    
-    template<typename Visitor> void visitJSEventListeners(Visitor&);
-    Lock& lock() { return m_lock; }
-
-private:
-    Vector<std::pair<AtomString, EventListenerVector>> m_entries;
-    Lock m_lock;
-};
-
-template<typename Visitor>
-void EventListenerMap::visitJSEventListeners(Visitor& visitor)
-{
-    Locker locker { m_lock };
-    for (auto& entry : m_entries) {
-        for (auto& eventListener : entry.second)
-            eventListener->callback().visitJSFunction(visitor);
-    }
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventListenerOptions.h b/src/javascript/jsc/bindings/webcore/EventListenerOptions.h
deleted file mode 100644
index 101b44bce..000000000
--- a/src/javascript/jsc/bindings/webcore/EventListenerOptions.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2016-2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-namespace WebCore {
-
-struct EventListenerOptions {
-    EventListenerOptions(bool capture = false)
-        : capture(capture)
-    { }
-
-    bool capture { false };
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventListenerOptions.idl b/src/javascript/jsc/bindings/webcore/EventListenerOptions.idl
deleted file mode 100644
index 70bb94225..000000000
--- a/src/javascript/jsc/bindings/webcore/EventListenerOptions.idl
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2016-2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-dictionary EventListenerOptions {
-    boolean capture = false;
-};
diff --git a/src/javascript/jsc/bindings/webcore/EventModifierInit.h b/src/javascript/jsc/bindings/webcore/EventModifierInit.h
deleted file mode 100644
index 82fe54e17..000000000
--- a/src/javascript/jsc/bindings/webcore/EventModifierInit.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "UIEventInit.h"
-
-namespace WebCore {
-
-struct EventModifierInit : UIEventInit {
-    bool ctrlKey { false };
-    bool shiftKey { false };
-    bool altKey { false };
-    bool metaKey { false };
-
-    bool modifierAltGraph { false };
-    bool modifierCapsLock { false };
-};
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/EventNames.cpp b/src/javascript/jsc/bindings/webcore/EventNames.cpp
deleted file mode 100644
index 42c4eb1cf..000000000
--- a/src/javascript/jsc/bindings/webcore/EventNames.cpp
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (C) 2005, 2015 Apple Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include "config.h"
-#include "EventNames.h"
-
-namespace WebCore {
-
-#define INITIALIZE_EVENT_NAME(name) \
-    name##Event(makeAtomString(#name)),
-
-EventNames::EventNames()
-    : DOM_EVENT_NAMES_FOR_EACH(INITIALIZE_EVENT_NAME) dummy(0)
-{
-}
-
-thread_local std::unique_ptr<EventNames> eventNames_;
-
-const EventNames& eventNames()
-{
-    if (!eventNames_)
-        eventNames_ = EventNames::create();
-    return *eventNames_;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/EventNames.h b/src/javascript/jsc/bindings/webcore/EventNames.h
deleted file mode 100644
index ebd451814..000000000
--- a/src/javascript/jsc/bindings/webcore/EventNames.h
+++ /dev/null
@@ -1,432 +0,0 @@
-/*
- * Copyright (C) 2005, 2007, 2015 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Jon Shier (jshier@iastate.edu)
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#pragma once
-
-// #include "ThreadGlobalData.h"
-#include "EventTarget.h"
-#include <array>
-#include <functional>
-#include <wtf/text/AtomString.h>
-
-namespace WebCore {
-
-#define DOM_EVENT_NAMES_FOR_EACH(macro) \
-    macro(error)                        \
-        macro(abort)                    \
-            macro(close)                \
-                macro(open)             \
-                    macro(message)      \
-                        macro(messageerror)
-
-// macro(DOMActivate) \
-    // macro(DOMCharacterDataModified) \
-    // macro(DOMContentLoaded) \
-    // macro(DOMNodeInserted) \
-    // macro(DOMNodeInsertedIntoDocument) \
-    // macro(DOMNodeRemoved) \
-    // macro(DOMNodeRemovedFromDocument) \
-    // macro(DOMSubtreeModified) \
-    // macro(abort) \
-    // macro(activate) \
-    // macro(active) \
-    // macro(addsourcebuffer) \
-    // macro(addstream) \
-    // macro(addtrack) \
-    // macro(afterprint) \
-    // macro(animationcancel) \
-    // macro(animationend) \
-    // macro(animationiteration) \
-    // macro(animationstart) \
-    // macro(audioend) \
-    // macro(audioprocess) \
-    // macro(audiostart) \
-    // macro(autocomplete) \
-    // macro(autocompleteerror) \
-    // macro(beforecopy) \
-    // macro(beforecut) \
-    // macro(beforeinput) \
-    // macro(beforeload) \
-    // macro(beforepaste) \
-    // macro(beforeprint) \
-    // macro(beforeunload) \
-    // macro(beginEvent) \
-    // macro(blocked) \
-    // macro(blur) \
-    // macro(boundary) \
-    // macro(bufferedamountlow) \
-    // macro(cached) \
-    // macro(cancel) \
-    // macro(canplay) \
-    // macro(canplaythrough) \
-    // macro(change) \
-    // macro(chargingchange) \
-    // macro(chargingtimechange) \
-    // macro(checking) \
-    // macro(click) \
-    // macro(close) \
-    // macro(closing) \
-    // macro(complete) \
-    // macro(compositionend) \
-    // macro(compositionstart) \
-    // macro(compositionupdate) \
-    // macro(connect) \
-    // macro(connectionstatechange) \
-    // macro(connecting) \
-    // macro(contextmenu) \
-    // macro(controllerchange) \
-    // macro(coordinatorstatechange) \
-    // macro(copy) \
-    // macro(cuechange) \
-    // macro(cut) \
-    // macro(dataavailable) \
-    // macro(datachannel) \
-    // macro(dblclick) \
-    // macro(devicechange) \
-    // macro(devicemotion) \
-    // macro(deviceorientation) \
-    // macro(dischargingtimechange) \
-    // macro(disconnect) \
-    // macro(downloading) \
-    // macro(drag) \
-    // macro(dragend) \
-    // macro(dragenter) \
-    // macro(dragleave) \
-    // macro(dragover) \
-    // macro(dragstart) \
-    // macro(drop) \
-    // macro(durationchange) \
-    // macro(emptied) \
-    // macro(encrypted) \
-    // macro(end) \
-    // macro(endEvent) \
-    // macro(ended) \
-    // macro(enter) \
-    // macro(enterpictureinpicture) \
-    // macro(error) \
-    // macro(exit) \
-    // macro(fetch) \
-    // macro(finish) \
-    // macro(focus) \
-    // macro(focusin) \
-    // macro(focusout) \
-    // macro(formdata) \
-    // macro(gamepadconnected) \
-    // macro(gamepaddisconnected) \
-    // macro(gatheringstatechange) \
-    // macro(gesturechange) \
-    // macro(gestureend) \
-    // macro(gesturescrollend) \
-    // macro(gesturescrollstart) \
-    // macro(gesturescrollupdate) \
-    // macro(gesturestart) \
-    // macro(gesturetap) \
-    // macro(gesturetapdown) \
-    // macro(gotpointercapture) \
-    // macro(hashchange) \
-    // macro(icecandidate) \
-    // macro(icecandidateerror) \
-    // macro(iceconnectionstatechange) \
-    // macro(icegatheringstatechange) \
-    // macro(inactive) \
-    // macro(input) \
-    // macro(inputsourceschange) \
-    // macro(install) \
-    // macro(invalid) \
-    // macro(keydown) \
-    // macro(keypress) \
-    // macro(keystatuseschange) \
-    // macro(keyup) \
-    // macro(languagechange) \
-    // macro(leavepictureinpicture) \
-    // macro(levelchange) \
-    // macro(load) \
-    // macro(loadeddata) \
-    // macro(loadedmetadata) \
-    // macro(loadend) \
-    // macro(loading) \
-    // macro(loadingdone) \
-    // macro(loadingerror) \
-    // macro(loadstart) \
-    // macro(lostpointercapture) \
-    // macro(mark) \
-    // macro(merchantvalidation) \
-    // macro(message) \
-    // macro(messageerror) \
-    // macro(mousedown) \
-    // macro(mouseenter) \
-    // macro(mouseleave) \
-    // macro(mousemove) \
-    // macro(mouseout) \
-    // macro(mouseover) \
-    // macro(mouseup) \
-    // macro(mousewheel) \
-    // macro(mute) \
-    // macro(negotiationneeded) \
-    // macro(nexttrack) \
-    // macro(nomatch) \
-    // macro(notificationclick) \
-    // macro(notificationclose) \
-    // macro(noupdate) \
-    // macro(obsolete) \
-    // macro(offline) \
-    // macro(online) \
-    // macro(orientationchange) \
-    // macro(overflowchanged) \
-    // macro(pagehide) \
-    // macro(pageshow) \
-    // macro(paste) \
-    // macro(pause) \
-    // macro(payerdetailchange) \
-    // macro(paymentauthorized) \
-    // macro(paymentmethodchange) \
-    // macro(paymentmethodselected) \
-    // macro(play) \
-    // macro(playing) \
-    // macro(pointerlockchange) \
-    // macro(pointerlockerror) \
-    // macro(pointercancel) \
-    // macro(pointerdown) \
-    // macro(pointerenter) \
-    // macro(pointerleave) \
-    // macro(pointermove) \
-    // macro(pointerout) \
-    // macro(pointerover) \
-    // macro(pointerup) \
-    // macro(popstate) \
-    // macro(previoustrack) \
-    // macro(processorerror) \
-    // macro(progress) \
-    // macro(push) \
-    // macro(pushsubscriptionchange) \
-    // macro(ratechange) \
-    // macro(readystatechange) \
-    // macro(rejectionhandled) \
-    // macro(remove) \
-    // macro(removesourcebuffer) \
-    // macro(removestream) \
-    // macro(removetrack) \
-    // macro(reset) \
-    // macro(resize) \
-    // macro(resourcetimingbufferfull) \
-    // macro(result) \
-    // macro(resume) \
-    // macro(rtctransform) \
-    // macro(scroll) \
-    // macro(search) \
-    // macro(securitypolicyviolation) \
-    // macro(seeked) \
-    // macro(seeking) \
-    // macro(select) \
-    // macro(selectend) \
-    // macro(selectionchange) \
-    // macro(selectstart) \
-    // macro(shippingaddresschange) \
-    // macro(shippingcontactselected) \
-    // macro(shippingmethodselected) \
-    // macro(shippingoptionchange) \
-    // macro(show) \
-    // macro(signalingstatechange) \
-    // macro(slotchange) \
-    // macro(soundend) \
-    // macro(soundstart) \
-    // macro(sourceclose) \
-    // macro(sourceended) \
-    // macro(sourceopen) \
-    // macro(speechend) \
-    // macro(speechstart) \
-    // macro(squeeze) \
-    // macro(squeezestart) \
-    // macro(squeezeend) \
-    // macro(stalled) \
-    // macro(start) \
-    // macro(started) \
-    // macro(statechange) \
-    // macro(stop) \
-    // macro(storage) \
-    // macro(submit) \
-    // macro(success) \
-    // macro(suspend) \
-    // macro(textInput) \
-    // macro(timeout) \
-    // macro(timeupdate) \
-    // macro(toggle) \
-    // macro(tonechange) \
-    // macro(touchcancel) \
-    // macro(touchend) \
-    // macro(touchforcechange) \
-    // macro(touchmove) \
-    // macro(touchstart) \
-    // macro(track) \
-    // macro(transitioncancel) \
-    // macro(transitionend) \
-    // macro(transitionrun) \
-    // macro(transitionstart) \
-    // macro(uncapturederror) \
-    // macro(unhandledrejection) \
-    // macro(unload) \
-    // macro(unmute) \
-    // macro(update) \
-    // macro(updateend) \
-    // macro(updatefound) \
-    // macro(updateready) \
-    // macro(updatestart) \
-    // macro(upgradeneeded) \
-    // macro(validatemerchant) \
-    // macro(versionchange) \
-    // macro(visibilitychange) \
-    // macro(voiceschanged) \
-    // macro(volumechange) \
-    // macro(waiting) \
-    // macro(waitingforkey) \
-    // macro(webglcontextchanged) \
-    // macro(webglcontextcreationerror) \
-    // macro(webglcontextlost) \
-    // macro(webglcontextrestored) \
-    // macro(webkitAnimationEnd) \
-    // macro(webkitAnimationIteration) \
-    // macro(webkitAnimationStart) \
-    // macro(webkitBeforeTextInserted) \
-    // macro(webkitTransitionEnd) \
-    // macro(webkitbeginfullscreen) \
-    // macro(webkitcurrentplaybacktargetiswirelesschanged) \
-    // macro(webkitendfullscreen) \
-    // macro(webkitfullscreenchange) \
-    // macro(webkitfullscreenerror) \
-    // macro(webkitkeyadded) \
-    // macro(webkitkeyerror) \
-    // macro(webkitkeymessage) \
-    // macro(webkitmouseforcechanged) \
-    // macro(webkitmouseforcedown) \
-    // macro(webkitmouseforcewillbegin) \
-    // macro(webkitmouseforceup) \
-    // macro(webkitneedkey) \
-    // macro(webkitnetworkinfochange) \
-    // macro(webkitplaybacktargetavailabilitychanged) \
-    // macro(webkitpresentationmodechanged) \
-    // macro(webkitremovesourcebuffer) \
-    // macro(webkitsourceclose) \
-    // macro(webkitsourceended) \
-    // macro(webkitsourceopen) \
-    macro(wheel) \
-    macro(write) \
-    macro(writeend) \
-    macro(writestart) \
-    macro(zoom) \
-// end of DOM_EVENT_NAMES_FOR_EACH
-
-struct EventNames {
-    WTF_MAKE_NONCOPYABLE(EventNames);
-    WTF_MAKE_FAST_ALLOCATED;
-
-public:
-#define DOM_EVENT_NAMES_DECLARE(name) const AtomString name##Event;
-    DOM_EVENT_NAMES_FOR_EACH(DOM_EVENT_NAMES_DECLARE)
-#undef DOM_EVENT_NAMES_DECLARE
-
-    // FIXME: The friend declaration to makeUnique below does not work in windows port.
-    //
-    // template<class T, class... Args>
-    // friend typename std::_Unique_if<T>::_Single_object makeUnique(Args&&...);
-    //
-    // This create function should be deleted later and is only for keeping EventNames as private.
-    // makeUnique should be used instead.
-    //
-    template<class... Args>
-    static std::unique_ptr<EventNames> create(Args&&... args)
-    {
-        return std::unique_ptr<EventNames>(new EventNames(std::forward<Args>(args)...));
-    }
-
-    // FIXME: Inelegant to call these both event names and event types.
-    // We should choose one term and stick to it.
-    bool isWheelEventType(const AtomString& eventType) const;
-    bool isGestureEventType(const AtomString& eventType) const;
-    bool isTouchRelatedEventType(const AtomString& eventType, EventTarget&) const;
-    bool isTouchScrollBlockingEventType(const AtomString& eventType) const;
-#if ENABLE(GAMEPAD)
-    bool isGamepadEventType(const AtomString& eventType) const;
-#endif
-
-    std::array<std::reference_wrapper<const AtomString>, 0> touchRelatedEventNames() const;
-    std::array<std::reference_wrapper<const AtomString>, 0> extendedTouchRelatedEventNames() const;
-    std::array<std::reference_wrapper<const AtomString>, 0> gestureEventNames() const;
-
-private:
-    EventNames(); // Private to prevent accidental call to EventNames() instead of eventNames().
-    // friend class ThreadGlobalData; // Allow ThreadGlobalData to create the per-thread EventNames object.
-
-    int dummy; // Needed to make initialization macro work.
-};
-
-const EventNames& eventNames();
-
-inline bool EventNames::isGestureEventType(const AtomString& eventType) const
-{
-    return false; // eventType == gesturestartEvent || eventType == gesturechangeEvent || eventType == gestureendEvent;
-}
-
-inline bool EventNames::isTouchScrollBlockingEventType(const AtomString& eventType) const
-{
-    return false;
-}
-
-inline bool EventNames::isTouchRelatedEventType(const AtomString& eventType, EventTarget& target) const
-{
-    return false;
-}
-
-inline bool EventNames::isWheelEventType(const AtomString& eventType) const
-{
-    return false;
-}
-
-inline std::array<std::reference_wrapper<const AtomString>, 0> EventNames::touchRelatedEventNames() const
-{
-    return { {} };
-}
-
-inline std::array<std::reference_wrapper<const AtomString>, 0> EventNames::extendedTouchRelatedEventNames() const
-{
-    return { {} };
-}
-
-inline std::array<std::reference_wrapper<const AtomString>, 0> EventNames::gestureEventNames() const
-{
-    return { {} };
-}
-
-// inline std::array<std::reference_wrapper<const AtomString>, 13> EventNames::touchRelatedEventNames() const
-// {
-//     return { { touchstartEvent, touchmoveEvent, touchendEvent, touchcancelEvent, touchforcechangeEvent, pointeroverEvent, pointerenterEvent, pointerdownEvent, pointermoveEvent, pointerupEvent, pointeroutEvent, pointerleaveEvent, pointercancelEvent } };
-// }
-
-// inline std::array<std::reference_wrapper<const AtomString>, 16> EventNames::extendedTouchRelatedEventNames() const
-// {
-//     return { { touchstartEvent, touchmoveEvent, touchendEvent, touchcancelEvent, touchforcechangeEvent, pointeroverEvent, pointerenterEvent, pointerdownEvent, pointermoveEvent, pointerupEvent, pointeroutEvent, pointerleaveEvent, pointercancelEvent, mousedownEvent, mousemoveEvent, mouseupEvent } };
-// }
-
-// inline std::array<std::reference_wrapper<const AtomString>, 3> EventNames::gestureEventNames() const
-// {
-//     return { { gesturestartEvent, gesturechangeEvent, gestureendEvent } };
-// }
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventNames.in b/src/javascript/jsc/bindings/webcore/EventNames.in
deleted file mode 100644
index 8c0fb6072..000000000
--- a/src/javascript/jsc/bindings/webcore/EventNames.in
+++ /dev/null
@@ -1,101 +0,0 @@
-namespace="Event"
-factoryFunction=toNewlyCreated
-useNamespaceAsSuffix=false
-
-Event
-Events interfaceName=Event
-HTMLEvents interfaceName=Event
-AnimationEvent
-AnimationPlaybackEvent
-BeforeLoadEvent interfaceName=Event
-BeforeUnloadEvent
-ClipboardEvent
-CloseEvent
-CompositionEvent
-CustomEvent
-DragEvent
-ExtendableEvent conditional=SERVICE_WORKER
-ExtendableMessageEvent conditional=SERVICE_WORKER
-ErrorEvent
-FetchEvent conditional=SERVICE_WORKER
-FocusEvent
-FormDataEvent
-HashChangeEvent
-InputEvent
-InputEvents interfaceName=InputEvent
-KeyboardEvent
-KeyboardEvents interfaceName=KeyboardEvent
-MediaQueryListEvent
-MessageEvent
-MouseEvent
-MouseEvents interfaceName=MouseEvent
-MutationEvent
-MutationEvents interfaceName=MutationEvent
-OverflowEvent
-PageTransitionEvent
-PopStateEvent
-ProgressEvent
-PromiseRejectionEvent
-PushEvent conditional=SERVICE_WORKER
-PushSubscriptionChangeEvent conditional=SERVICE_WORKER
-SubmitEvent
-TextEvent
-TransitionEvent
-UIEvent
-UIEvents interfaceName=UIEvent
-WheelEvent
-XMLHttpRequestProgressEvent
-ApplePayCancelEvent conditional=APPLE_PAY
-ApplePayCouponCodeChangedEvent conditional=APPLE_PAY_COUPON_CODE
-ApplePayPaymentAuthorizedEvent conditional=APPLE_PAY
-ApplePayPaymentMethodSelectedEvent conditional=APPLE_PAY
-ApplePayShippingContactSelectedEvent conditional=APPLE_PAY
-ApplePayShippingMethodSelectedEvent conditional=APPLE_PAY
-ApplePayValidateMerchantEvent conditional=APPLE_PAY
-AudioProcessingEvent conditional=WEB_AUDIO
-BlobEvent conditional=MEDIA_RECORDER
-OfflineAudioCompletionEvent conditional=WEB_AUDIO
-MediaRecorderErrorEvent conditional=MEDIA_RECORDER
-MediaStreamTrackEvent conditional=MEDIA_STREAM
-MerchantValidationEvent conditional=PAYMENT_REQUEST
-PaymentMethodChangeEvent conditional=PAYMENT_REQUEST
-PaymentRequestUpdateEvent conditional=PAYMENT_REQUEST
-RTCErrorEvent conditional=WEB_RTC
-RTCPeerConnectionIceErrorEvent conditional=WEB_RTC
-RTCPeerConnectionIceEvent conditional=WEB_RTC
-RTCDataChannelEvent conditional=WEB_RTC
-RTCDTMFToneChangeEvent conditional=WEB_RTC
-RTCRtpSFrameTransformErrorEvent conditional=WEB_RTC
-RTCTrackEvent conditional=WEB_RTC
-RTCTransformEvent conditional=WEB_RTC
-SpeechRecognitionErrorEvent
-SpeechRecognitionEvent
-SpeechSynthesisErrorEvent conditional=SPEECH_SYNTHESIS
-SpeechSynthesisEvent conditional=SPEECH_SYNTHESIS
-WebGLContextEvent conditional=WEBGL
-StorageEvent
-SVGEvents interfaceName=Event
-SVGZoomEvent
-SVGZoomEvents interfaceName=SVGZoomEvent
-IDBVersionChangeEvent
-TouchEvent conditional=TOUCH_EVENTS
-DeviceMotionEvent conditional=DEVICE_ORIENTATION
-DeviceOrientationEvent conditional=DEVICE_ORIENTATION
-OrientationEvent interfaceName=Event, conditional=ORIENTATION_EVENTS
-WebKitMediaKeyMessageEvent conditional=LEGACY_ENCRYPTED_MEDIA
-WebKitMediaKeyNeededEvent conditional=LEGACY_ENCRYPTED_MEDIA
-TrackEvent conditional=VIDEO
-SecurityPolicyViolationEvent
-GestureEvent conditional=IOS_GESTURE_EVENTS|MAC_GESTURE_EVENTS
-WebKitPlaybackTargetAvailabilityEvent conditional=WIRELESS_PLAYBACK_TARGET
-GamepadEvent conditional=GAMEPAD
-OverconstrainedErrorEvent conditional=MEDIA_STREAM
-MediaEncryptedEvent conditional=ENCRYPTED_MEDIA
-MediaKeyMessageEvent conditional=ENCRYPTED_MEDIA
-PointerEvent
-PictureInPictureEvent conditional=PICTURE_IN_PICTURE_API
-XRInputSourceEvent conditional=WEBXR
-XRInputSourcesChangeEvent conditional=WEBXR
-XRReferenceSpaceEvent conditional=WEBXR
-XRSessionEvent conditional=WEBXR
-NotificationEvent conditional=NOTIFICATION_EVENT
diff --git a/src/javascript/jsc/bindings/webcore/EventOptions.h b/src/javascript/jsc/bindings/webcore/EventOptions.h
deleted file mode 100644
index ec59b6980..000000000
--- a/src/javascript/jsc/bindings/webcore/EventOptions.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-namespace WebCore {
-
-enum class EventIsTrusted : bool { No, Yes };
-enum class EventCanBubble : bool { No, Yes };
-enum class EventIsCancelable : bool { No, Yes };
-enum class EventIsComposed : bool { No, Yes };
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/EventPath.cpp b/src/javascript/jsc/bindings/webcore/EventPath.cpp
deleted file mode 100644
index 30dbb5de9..000000000
--- a/src/javascript/jsc/bindings/webcore/EventPath.cpp
+++ /dev/null
@@ -1,423 +0,0 @@
-// /*
-//  * Copyright (C) 2013 Google Inc. All rights reserved.
-//  * Copyright (C) 2013-2022 Apple Inc. All rights reserved.
-//  *
-//  * This library is free software; you can redistribute it and/or
-//  * modify it under the terms of the GNU Library General Public
-//  * License as published by the Free Software Foundation; either
-//  * version 2 of the License, or (at your option) any later version.
-//  *
-//  * This library is distributed in the hope that it will be useful,
-//  * but WITHOUT ANY WARRANTY; without even the implied warranty of
-//  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-//  * Library General Public License for more details.
-//  *
-//  * You should have received a copy of the GNU Library General Public License
-//  * along with this library; see the file COPYING.LIB.  If not, write to
-//  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-//  * Boston, MA 02110-1301, USA.
-//  */
-
-// #include "config.h"
-// #include "EventPath.h"
-
-// // #include "DOMWindow.h"
-// #include "Event.h"
-// #include "EventContext.h"
-// #include "EventNames.h"
-// // #include "FullscreenManager.h"
-// // #include "HTMLSlotElement.h"
-// // #include "MouseEvent.h"
-// #include "Node.h"
-// // #include "PseudoElement.h"
-// // #include "ShadowRoot.h"
-// // #include "TouchEvent.h"
-
-// namespace WebCore {
-
-// static inline bool shouldEventCrossShadowBoundary(Event& event, ShadowRoot& shadowRoot, EventTarget& target)
-// {
-//     // #if ENABLE(FULLSCREEN_API) && ENABLE(VIDEO)
-//     //     // Video-only full screen is a mode where we use the shadow DOM as an implementation
-//     //     // detail that should not be detectable by the web content.
-//     //     if (is<Node>(target)) {
-//     //         if (auto* element = downcast<Node>(target).document().fullscreenManager().currentFullscreenElement()) {
-//     //             // FIXME: We assume that if the full screen element is a media element that it's
-//     //             // the video-only full screen. Both here and elsewhere. But that is probably wrong.
-//     //             if (element->isMediaElement() && shadowRoot.host() == element)
-//     //                 return false;
-//     //         }
-//     //     }
-//     // #endif
-
-//     bool targetIsInShadowRoot = is<Node>(target) && &downcast<Node>(target).treeScope().rootNode() == &shadowRoot;
-//     return !targetIsInShadowRoot || event.composed();
-// }
-
-// static Node* nodeOrHostIfPseudoElement(Node* node)
-// {
-//     retur nnode;
-//     // return is<PseudoElement>(*node) ? downcast<PseudoElement>(*node).hostElement() : node;
-// }
-
-// class RelatedNodeRetargeter {
-// public:
-//     RelatedNodeRetargeter(Node& relatedNode, Node& target);
-
-//     Node* currentNode(Node& currentTreeScope);
-//     void moveToNewTreeScope(TreeScope* previousTreeScope, TreeScope& newTreeScope);
-
-// private:
-//     Node* nodeInLowestCommonAncestor();
-//     void collectTreeScopes();
-
-//     void checkConsistency(Node& currentTarget);
-
-//     Node& m_relatedNode;
-//     Node* m_retargetedRelatedNode;
-//     Vector<TreeScope*, 8> m_ancestorTreeScopes;
-//     unsigned m_lowestCommonAncestorIndex { 0 };
-//     bool m_hasDifferentTreeRoot { false };
-// };
-
-// EventPath::EventPath(Node& originalTarget, Event& event)
-// {
-//     buildPath(originalTarget, event);
-
-//     if (auto* relatedTarget = event.relatedTarget(); is<Node>(relatedTarget) && !m_path.isEmpty())
-//         setRelatedTarget(originalTarget, downcast<Node>(*relatedTarget));
-
-// #if ENABLE(TOUCH_EVENTS)
-//     if (is<TouchEvent>(event))
-//         retargetTouchLists(downcast<TouchEvent>(event));
-// #endif
-// }
-
-// void EventPath::buildPath(Node& originalTarget, Event& event)
-// {
-//     UNUSED_PARAM(originalTarget);
-//     UNUSED_PARAM(event);
-//     //     EventContext::Type contextType = [&]() {
-//     //         if (is<MouseEvent>(event) || event.isFocusEvent())
-//     //             return EventContext::Type::MouseOrFocus;
-//     // #if ENABLE(TOUCH_EVENTS)
-//     //         if (is<TouchEvent>(event))
-//     //             return EventContext::Type::Touch;
-//     // #endif
-//     //         return EventContext::Type::Normal;
-//     //     }();
-
-//     //     Node* node = nodeOrHostIfPseudoElement(&originalTarget);
-//     //     Node* target = node ? eventTargetRespectingTargetRules(*node) : nullptr;
-//     //     int closedShadowDepth = 0;
-//     //     // Depths are used to decided which nodes are excluded in event.composedPath when the tree is mutated during event dispatching.
-//     //     // They could be negative for nodes outside the shadow tree of the target node.
-//     //     while (node) {
-//     //         while (node) {
-//     //             m_path.append(EventContext { contextType, *node, eventTargetRespectingTargetRules(*node), target, closedShadowDepth });
-
-//     //             if (is<ShadowRoot>(*node))
-//     //                 break;
-
-//     //             ContainerNode* parent = node->parentNode();
-//     //             if (UNLIKELY(!parent)) {
-//     //                 // https://dom.spec.whatwg.org/#interface-document
-//     //                 if (is<Document>(*node) && event.type() != eventNames().loadEvent) {
-//     //                     ASSERT(target);
-//     //                     if (target) {
-//     //                         if (auto* window = downcast<Document>(*node).domWindow())
-//     //                             m_path.append(EventContext { EventContext::Type::Window, node, window, target, closedShadowDepth });
-//     //                     }
-//     //                 }
-//     //                 return;
-//     //             }
-
-//     //             if (auto* shadowRootOfParent = parent->shadowRoot(); UNLIKELY(shadowRootOfParent)) {
-//     //                 if (auto* assignedSlot = shadowRootOfParent->findAssignedSlot(*node)) {
-//     //                     if (shadowRootOfParent->mode() != ShadowRootMode::Open)
-//     //                         closedShadowDepth++;
-//     //                     // node is assigned to a slot. Continue dispatching the event at this slot.
-//     //                     parent = assignedSlot;
-//     //                 }
-//     //             }
-//     //             node = parent;
-//     //         }
-
-//     //         bool exitingShadowTreeOfTarget = &target->treeScope() == &node->treeScope();
-//     //         ShadowRoot& shadowRoot = downcast<ShadowRoot>(*node);
-//     //         if (!shouldEventCrossShadowBoundary(event, shadowRoot, originalTarget))
-//     //             return;
-//     //         node = shadowRoot.host();
-//     //         if (shadowRoot.mode() != ShadowRootMode::Open)
-//     //             closedShadowDepth--;
-//     //         if (exitingShadowTreeOfTarget)
-//     //             target = eventTargetRespectingTargetRules(*node);
-// }
-// }
-
-// void EventPath::setRelatedTarget(Node& origin, Node& relatedNode)
-// {
-//     UNUSED_PARAM(origin);
-//     UNUSED_PARAM(relatedNode);
-//     // RelatedNodeRetargeter retargeter(relatedNode, *m_path[0].node());
-
-//     // bool originIsRelatedTarget = &origin == &relatedNode;
-//     // Node& rootNodeInOriginTreeScope = origin.treeScope().rootNode();
-//     // TreeScope* previousTreeScope = nullptr;
-//     // size_t originalEventPathSize = m_path.size();
-//     // for (unsigned contextIndex = 0; contextIndex < originalEventPathSize; contextIndex++) {
-//     //     auto& context = m_path[contextIndex];
-//     //     if (!context.isMouseOrFocusEventContext()) {
-//     //         ASSERT(context.isWindowContext());
-//     //         continue;
-//     //     }
-
-//     //     Node& currentTarget = *context.node();
-//     //     TreeScope& currentTreeScope = currentTarget.treeScope();
-//     //     if (UNLIKELY(previousTreeScope && &currentTreeScope != previousTreeScope))
-//     //         retargeter.moveToNewTreeScope(previousTreeScope, currentTreeScope);
-
-//     //     Node* currentRelatedNode = retargeter.currentNode(currentTarget);
-//     //     if (UNLIKELY(!originIsRelatedTarget && context.target() == currentRelatedNode)) {
-//     //         m_path.shrink(contextIndex);
-//     //         break;
-//     //     }
-
-//     //     context.setRelatedTarget(currentRelatedNode);
-
-//     //     if (UNLIKELY(originIsRelatedTarget && context.node() == &rootNodeInOriginTreeScope)) {
-//     //         m_path.shrink(contextIndex + 1);
-//     //         break;
-//     //     }
-
-//     //     previousTreeScope = &currentTreeScope;
-//     // }
-// }
-
-// #if ENABLE(TOUCH_EVENTS)
-
-// void EventPath::retargetTouch(EventContext::TouchListType type, const Touch& touch)
-// {
-//     auto* eventTarget = touch.target();
-//     if (!is<Node>(eventTarget))
-//         return;
-
-//     RelatedNodeRetargeter retargeter(downcast<Node>(*eventTarget), *m_path[0].node());
-//     TreeScope* previousTreeScope = nullptr;
-//     for (auto& context : m_path) {
-//         Node& currentTarget = *context.node();
-//         TreeScope& currentTreeScope = currentTarget.treeScope();
-//         if (UNLIKELY(previousTreeScope && &currentTreeScope != previousTreeScope))
-//             retargeter.moveToNewTreeScope(previousTreeScope, currentTreeScope);
-
-//         if (context.isTouchEventContext()) {
-//             Node* currentRelatedNode = retargeter.currentNode(currentTarget);
-//             context.touchList(type).append(touch.cloneWithNewTarget(currentRelatedNode));
-//         } else
-//             ASSERT(context.isWindowContext());
-
-//         previousTreeScope = &currentTreeScope;
-//     }
-// }
-
-// void EventPath::retargetTouchList(EventContext::TouchListType type, const TouchList* list)
-// {
-//     for (unsigned i = 0, length = list ? list->length() : 0; i < length; ++i)
-//         retargetTouch(type, *list->item(i));
-// }
-
-// void EventPath::retargetTouchLists(const TouchEvent& event)
-// {
-//     retargetTouchList(EventContext::TouchListType::Touches, event.touches());
-//     retargetTouchList(EventContext::TouchListType::TargetTouches, event.targetTouches());
-//     retargetTouchList(EventContext::TouchListType::ChangedTouches, event.changedTouches());
-// }
-
-// #endif
-
-// // https://dom.spec.whatwg.org/#dom-event-composedpath
-// // Any node whose depth computed in EventPath::buildPath is greater than the context object is excluded.
-// // Because we can exit out of a closed shadow tree and re-enter another closed shadow tree via a slot,
-// // we decrease the *allowed depth* whenever we moved to a "shallower" (closer-to-document) tree.
-// Vector<EventTarget*> EventPath::computePathUnclosedToTarget(const EventTarget& target) const
-// {
-//     Vector<EventTarget*> path;
-//     auto pathSize = m_path.size();
-//     RELEASE_ASSERT(pathSize);
-//     path.reserveInitialCapacity(pathSize);
-
-//     auto currentTargetIndex = m_path.findIf([&target](auto& context) {
-//         return context.currentTarget() == &target;
-//     });
-//     RELEASE_ASSERT(currentTargetIndex != notFound);
-//     auto currentTargetDepth = m_path[currentTargetIndex].closedShadowDepth();
-
-//     auto appendTargetWithLesserDepth = [&path](const EventContext& currentContext, int& currentDepthAllowed) {
-//         auto depth = currentContext.closedShadowDepth();
-//         bool contextIsInsideInnerShadowTree = depth > currentDepthAllowed;
-//         if (contextIsInsideInnerShadowTree)
-//             return;
-//         bool movedOutOfShadowTree = depth < currentDepthAllowed;
-//         if (movedOutOfShadowTree)
-//             currentDepthAllowed = depth;
-//         path.uncheckedAppend(currentContext.currentTarget());
-//     };
-
-//     auto currentDepthAllowed = currentTargetDepth;
-//     auto i = currentTargetIndex;
-//     do {
-//         appendTargetWithLesserDepth(m_path[i], currentDepthAllowed);
-//     } while (i--);
-//     path.reverse();
-
-//     currentDepthAllowed = currentTargetDepth;
-//     for (auto i = currentTargetIndex + 1; i < pathSize; ++i)
-//         appendTargetWithLesserDepth(m_path[i], currentDepthAllowed);
-
-//     return path;
-// }
-
-// EventPath::EventPath(const Vector<EventTarget*>& targets)
-// {
-//     m_path = targets.map([&](auto* target) {
-//         ASSERT(target);
-//         ASSERT(!is<Node>(target));
-//         return EventContext { EventContext::Type::Normal, nullptr, target, *targets.begin(), 0 };
-//     });
-// }
-
-// static Node* moveOutOfAllShadowRoots(Node& startingNode)
-// {
-//     Node* node = &startingNode;
-//     while (node->isInShadowTree())
-//         node = downcast<ShadowRoot>(node->treeScope().rootNode()).host();
-//     return node;
-// }
-
-// RelatedNodeRetargeter::RelatedNodeRetargeter(Node& relatedNode, Node& target)
-//     : m_relatedNode(relatedNode)
-//     , m_retargetedRelatedNode(&relatedNode)
-// {
-//     auto& targetTreeScope = target.treeScope();
-//     TreeScope* currentTreeScope = &m_relatedNode.treeScope();
-//     if (LIKELY(currentTreeScope == &targetTreeScope && target.isConnected() && m_relatedNode.isConnected()))
-//         return;
-
-//     if (&currentTreeScope->documentScope() != &targetTreeScope.documentScope()) {
-//         m_hasDifferentTreeRoot = true;
-//         m_retargetedRelatedNode = nullptr;
-//         return;
-//     }
-//     if (relatedNode.isConnected() != target.isConnected()) {
-//         m_hasDifferentTreeRoot = true;
-//         m_retargetedRelatedNode = moveOutOfAllShadowRoots(relatedNode);
-//         return;
-//     }
-
-//     collectTreeScopes();
-
-//     // FIXME: We should collect this while constructing the event path.
-//     Vector<TreeScope*, 8> targetTreeScopeAncestors;
-//     for (TreeScope* currentTreeScope = &targetTreeScope; currentTreeScope; currentTreeScope = currentTreeScope->parentTreeScope())
-//         targetTreeScopeAncestors.append(currentTreeScope);
-//     ASSERT_WITH_SECURITY_IMPLICATION(!targetTreeScopeAncestors.isEmpty());
-
-//     unsigned i = m_ancestorTreeScopes.size();
-//     unsigned j = targetTreeScopeAncestors.size();
-//     ASSERT_WITH_SECURITY_IMPLICATION(m_ancestorTreeScopes.last() == targetTreeScopeAncestors.last());
-//     while (m_ancestorTreeScopes[i - 1] == targetTreeScopeAncestors[j - 1]) {
-//         i--;
-//         j--;
-//         if (!i || !j)
-//             break;
-//     }
-
-//     bool lowestCommonAncestorIsDocumentScope = i + 1 == m_ancestorTreeScopes.size();
-//     if (lowestCommonAncestorIsDocumentScope && !relatedNode.isConnected() && !target.isConnected()) {
-//         Node& relatedNodeAncestorInDocumentScope = i ? *downcast<ShadowRoot>(m_ancestorTreeScopes[i - 1]->rootNode()).shadowHost() : relatedNode;
-//         Node& targetAncestorInDocumentScope = j ? *downcast<ShadowRoot>(targetTreeScopeAncestors[j - 1]->rootNode()).shadowHost() : target;
-//         if (&targetAncestorInDocumentScope.rootNode() != &relatedNodeAncestorInDocumentScope.rootNode()) {
-//             m_hasDifferentTreeRoot = true;
-//             m_retargetedRelatedNode = moveOutOfAllShadowRoots(relatedNode);
-//             return;
-//         }
-//     }
-
-//     m_lowestCommonAncestorIndex = i;
-//     m_retargetedRelatedNode = nodeInLowestCommonAncestor();
-// }
-
-// inline Node* RelatedNodeRetargeter::currentNode(Node& currentTarget)
-// {
-//     checkConsistency(currentTarget);
-//     return m_retargetedRelatedNode;
-// }
-
-// void RelatedNodeRetargeter::moveToNewTreeScope(TreeScope* previousTreeScope, TreeScope& newTreeScope)
-// {
-//     if (m_hasDifferentTreeRoot)
-//         return;
-
-//     auto& currentRelatedNodeScope = m_retargetedRelatedNode->treeScope();
-//     if (previousTreeScope != &currentRelatedNodeScope) {
-//         // currentRelatedNode is still outside our shadow tree. New tree scope may contain currentRelatedNode
-//         // but there is no need to re-target it. Moving into a slot (thereby a deeper shadow tree) doesn't matter.
-//         return;
-//     }
-
-//     bool enteredSlot = newTreeScope.parentTreeScope() == previousTreeScope;
-//     if (enteredSlot) {
-//         if (m_lowestCommonAncestorIndex) {
-//             if (m_ancestorTreeScopes.isEmpty())
-//                 collectTreeScopes();
-//             bool relatedNodeIsInSlot = m_ancestorTreeScopes[m_lowestCommonAncestorIndex - 1] == &newTreeScope;
-//             if (relatedNodeIsInSlot) {
-//                 m_lowestCommonAncestorIndex--;
-//                 m_retargetedRelatedNode = nodeInLowestCommonAncestor();
-//                 ASSERT(&newTreeScope == &m_retargetedRelatedNode->treeScope());
-//             }
-//         } else
-//             ASSERT(m_retargetedRelatedNode == &m_relatedNode);
-//     } else {
-//         ASSERT(previousTreeScope->parentTreeScope() == &newTreeScope);
-//         m_lowestCommonAncestorIndex++;
-//         ASSERT_WITH_SECURITY_IMPLICATION(m_ancestorTreeScopes.isEmpty() || m_lowestCommonAncestorIndex < m_ancestorTreeScopes.size());
-//         m_retargetedRelatedNode = downcast<ShadowRoot>(currentRelatedNodeScope.rootNode()).host();
-//         ASSERT(&newTreeScope == &m_retargetedRelatedNode->treeScope());
-//     }
-// }
-
-// inline Node* RelatedNodeRetargeter::nodeInLowestCommonAncestor()
-// {
-//     if (!m_lowestCommonAncestorIndex)
-//         return &m_relatedNode;
-//     auto& rootNode = m_ancestorTreeScopes[m_lowestCommonAncestorIndex - 1]->rootNode();
-//     return downcast<ShadowRoot>(rootNode).host();
-// }
-
-// void RelatedNodeRetargeter::collectTreeScopes()
-// {
-//     ASSERT(m_ancestorTreeScopes.isEmpty());
-//     for (TreeScope* currentTreeScope = &m_relatedNode.treeScope(); currentTreeScope; currentTreeScope = currentTreeScope->parentTreeScope())
-//         m_ancestorTreeScopes.append(currentTreeScope);
-//     ASSERT_WITH_SECURITY_IMPLICATION(!m_ancestorTreeScopes.isEmpty());
-// }
-
-// #if !ASSERT_ENABLED
-
-// inline void RelatedNodeRetargeter::checkConsistency(Node&)
-// {
-// }
-
-// #else // ASSERT_ENABLED
-
-// void RelatedNodeRetargeter::checkConsistency(Node& currentTarget)
-// {
-//     if (!m_retargetedRelatedNode)
-//         return;
-//     ASSERT(!currentTarget.isClosedShadowHidden(*m_retargetedRelatedNode));
-//     ASSERT(m_retargetedRelatedNode == currentTarget.treeScope().retargetToScope(m_relatedNode).ptr());
-// }
-
-// #endif // ASSERT_ENABLED
-// }
diff --git a/src/javascript/jsc/bindings/webcore/EventPath.h b/src/javascript/jsc/bindings/webcore/EventPath.h
deleted file mode 100644
index feb86fb7b..000000000
--- a/src/javascript/jsc/bindings/webcore/EventPath.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- * Copyright (C) 2013-2017 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#pragma once
-
-#include "EventContext.h"
-// #include "PseudoElement.h"
-// #include "SVGElement.h"
-// #include "SVGUseElement.h"
-#include <wtf/Forward.h>
-#include <wtf/Vector.h>
-
-namespace WebCore {
-
-class Touch;
-
-class EventPath {
-public:
-    EventPath(Node& origin, Event&);
-    explicit EventPath(const Vector<EventTarget*>&);
-
-    bool isEmpty() const { return m_path.isEmpty(); }
-    size_t size() const { return m_path.size(); }
-    const EventContext& contextAt(size_t i) const { return m_path[i]; }
-    EventContext& contextAt(size_t i) { return m_path[i]; }
-
-    Vector<EventTarget*> computePathUnclosedToTarget(const EventTarget&) const;
-
-    static Node* eventTargetRespectingTargetRules(Node&);
-
-private:
-    void buildPath(Node& origin, Event&);
-    void setRelatedTarget(Node& origin, Node&);
-
-#if ENABLE(TOUCH_EVENTS)
-    void retargetTouch(EventContext::TouchListType, const Touch&);
-    void retargetTouchList(EventContext::TouchListType, const TouchList*);
-    void retargetTouchLists(const TouchEvent&);
-#endif
-
-    Vector<EventContext, 16> m_path;
-};
-
-inline Node* EventPath::eventTargetRespectingTargetRules(Node& referenceNode)
-{
-    // if (is<PseudoElement>(referenceNode))
-    //     return downcast<PseudoElement>(referenceNode).hostElement();
-
-    // // Events sent to elements inside an SVG use element's shadow tree go to the use element.
-    // if (is<SVGElement>(referenceNode)) {
-    //     if (auto useElement = downcast<SVGElement>(referenceNode).correspondingUseElement())
-    //         return useElement.get();
-    // }
-
-    return &referenceNode;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventSender.h b/src/javascript/jsc/bindings/webcore/EventSender.h
deleted file mode 100644
index d69a6e5e9..000000000
--- a/src/javascript/jsc/bindings/webcore/EventSender.h
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2012 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "Timer.h"
-#include <wtf/Vector.h>
-#include <wtf/WeakPtr.h>
-
-namespace WebCore {
-
-class Page;
-
-template<typename T> class EventSender {
-    WTF_MAKE_NONCOPYABLE(EventSender); WTF_MAKE_FAST_ALLOCATED;
-public:
-    explicit EventSender(const AtomString& eventType);
-
-    const AtomString& eventType() const { return m_eventType; }
-    void dispatchEventSoon(T&);
-    void cancelEvent(T&);
-    void dispatchPendingEvents(Page*);
-
-#if ASSERT_ENABLED
-    bool hasPendingEvents(T& sender) const
-    {
-        return m_dispatchSoonList.find(&sender) != notFound || m_dispatchingList.find(&sender) != notFound;
-    }
-#endif
-
-private:
-    void timerFired() { dispatchPendingEvents(nullptr); }
-
-    AtomString m_eventType;
-    Timer m_timer;
-    Vector<WeakPtr<T>> m_dispatchSoonList;
-    Vector<WeakPtr<T>> m_dispatchingList;
-};
-
-template<typename T> EventSender<T>::EventSender(const AtomString& eventType)
-    : m_eventType(eventType)
-    , m_timer(*this, &EventSender::timerFired)
-{
-}
-
-template<typename T> void EventSender<T>::dispatchEventSoon(T& sender)
-{
-    m_dispatchSoonList.append(sender);
-    if (!m_timer.isActive())
-        m_timer.startOneShot(0_s);
-}
-
-template<typename T> void EventSender<T>::cancelEvent(T& sender)
-{
-    // Remove instances of this sender from both lists.
-    // Use loops because we allow multiple instances to get into the lists.
-    for (auto& event : m_dispatchSoonList) {
-        if (event == &sender)
-            event = nullptr;
-    }
-    for (auto& event : m_dispatchingList) {
-        if (event == &sender)
-            event = nullptr;
-    }
-}
-
-template<typename T> void EventSender<T>::dispatchPendingEvents(Page* page)
-{
-    // Need to avoid re-entering this function; if new dispatches are
-    // scheduled before the parent finishes processing the list, they
-    // will set a timer and eventually be processed.
-    if (!m_dispatchingList.isEmpty())
-        return;
-
-    m_timer.stop();
-
-    m_dispatchSoonList.checkConsistency();
-
-    m_dispatchingList = std::exchange(m_dispatchSoonList, { });
-    for (auto& event : m_dispatchingList) {
-        if (auto sender = event.get()) {
-            event = nullptr;
-            if (!page || sender->document().page() == page)
-                sender->dispatchPendingEvent(this);
-            else
-                dispatchEventSoon(*sender);
-        }
-    }
-    m_dispatchingList.clear();
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventTarget.cpp b/src/javascript/jsc/bindings/webcore/EventTarget.cpp
deleted file mode 100644
index 3b7128b7a..000000000
--- a/src/javascript/jsc/bindings/webcore/EventTarget.cpp
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004-2021 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- *           (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "config.h"
-#include "Event.h"
-
-#include "EventTarget.h"
-
-#include "AddEventListenerOptions.h"
-#include "DOMWrapperWorld.h"
-#include "EventNames.h"
-#include "EventTargetConcrete.h"
-// #include "HTMLBodyElement.h"
-// #include "HTMLHtmlElement.h"
-// #include "InspectorInstrumentation.h"
-#include "JSErrorHandler.h"
-#include "JSEventListener.h"
-// #include "Logging.h"
-// #include "Quirks.h"
-// #include "ScriptController.h"
-// #include "ScriptDisallowedScope.h"
-// #include "Settings.h"
-// #include <wtf/IsoMallocInlines.h>
-#include <wtf/MainThread.h>
-#include <wtf/NeverDestroyed.h>
-#include <wtf/Ref.h>
-#include <wtf/SetForScope.h>
-#include <wtf/StdLibExtras.h>
-#include <wtf/Vector.h>
-
-namespace WebCore {
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(EventTarget);
-WTF_MAKE_ISO_ALLOCATED_IMPL(EventTargetWithInlineData);
-
-Ref<EventTarget> EventTarget::create(ScriptExecutionContext& context)
-{
-    return EventTargetConcrete::create(context);
-}
-
-EventTarget::~EventTarget() = default;
-
-bool EventTarget::isNode() const
-{
-    return false;
-}
-
-bool EventTarget::isPaymentRequest() const
-{
-    return false;
-}
-
-bool EventTarget::addEventListener(const AtomString& eventType, Ref<EventListener>&& listener, const AddEventListenerOptions& options)
-{
-#if ASSERT_ENABLED
-    listener->checkValidityForEventTarget(*this);
-#endif
-
-    if (options.signal && options.signal->aborted())
-        return false;
-
-    auto passive = options.passive;
-
-    // if (!passive.has_value() && Quirks::shouldMakeEventListenerPassive(*this, eventType, listener.get()))
-    //     passive = true;
-
-    bool listenerCreatedFromScript = is<JSEventListener>(listener) && !downcast<JSEventListener>(listener.get()).wasCreatedFromMarkup();
-
-    if (!ensureEventTargetData().eventListenerMap.add(eventType, listener.copyRef(), { options.capture, passive.value_or(false), options.once }))
-        return false;
-
-    if (options.signal) {
-        options.signal->addAlgorithm([weakThis = WeakPtr { *this }, eventType, listener = WeakPtr { listener }, capture = options.capture] {
-            if (weakThis && listener)
-                weakThis->removeEventListener(eventType, *listener, capture);
-        });
-    }
-
-    // if (listenerCreatedFromScript)
-    //     InspectorInstrumentation::didAddEventListener(*this, eventType, listener.get(), options.capture);
-
-    // if (eventNames().isWheelEventType(eventType))
-    // invalidateEventListenerRegions();
-
-    eventListenersDidChange();
-    return true;
-}
-
-void EventTarget::addEventListenerForBindings(const AtomString& eventType, RefPtr<EventListener>&& listener, AddEventListenerOptionsOrBoolean&& variant)
-{
-    if (!listener)
-        return;
-
-    auto visitor = WTF::makeVisitor([&](const AddEventListenerOptions& options) { addEventListener(eventType, listener.releaseNonNull(), options); }, [&](bool capture) { addEventListener(eventType, listener.releaseNonNull(), capture); });
-
-    std::visit(visitor, variant);
-}
-
-void EventTarget::removeEventListenerForBindings(const AtomString& eventType, RefPtr<EventListener>&& listener, EventListenerOptionsOrBoolean&& variant)
-{
-    if (!listener)
-        return;
-
-    auto visitor = WTF::makeVisitor([&](const EventListenerOptions& options) { removeEventListener(eventType, *listener, options); }, [&](bool capture) { removeEventListener(eventType, *listener, capture); });
-
-    std::visit(visitor, variant);
-}
-
-bool EventTarget::removeEventListener(const AtomString& eventType, EventListener& listener, const EventListenerOptions& options)
-{
-    auto* data = eventTargetData();
-    if (!data)
-        return false;
-
-    // InspectorInstrumentation::willRemoveEventListener(*this, eventType, listener, options.capture);
-
-    if (data->eventListenerMap.remove(eventType, listener, options.capture)) {
-        if (eventNames().isWheelEventType(eventType))
-            invalidateEventListenerRegions();
-
-        eventListenersDidChange();
-        return true;
-    }
-    return false;
-}
-
-template<typename JSMaybeErrorEventListener>
-void EventTarget::setAttributeEventListener(const AtomString& eventType, JSC::JSValue listener, JSC::JSObject& jsEventTarget)
-{
-    auto& isolatedWorld = worldForDOMObject(jsEventTarget);
-    auto* existingListener = attributeEventListener(eventType, isolatedWorld);
-    if (!listener.isObject()) {
-        if (existingListener)
-            removeEventListener(eventType, *existingListener, false);
-    } else if (existingListener) {
-        bool capture = false;
-
-        // InspectorInstrumentation::willRemoveEventListener(*this, eventType, *existingListener, capture);
-        existingListener->replaceJSFunctionForAttributeListener(asObject(listener), &jsEventTarget);
-        // InspectorInstrumentation::didAddEventListener(*this, eventType, *existingListener, capture);
-    } else
-        addEventListener(eventType, JSMaybeErrorEventListener::create(*asObject(listener), jsEventTarget, true, isolatedWorld), {});
-}
-
-template void EventTarget::setAttributeEventListener<JSErrorHandler>(const AtomString& eventType, JSC::JSValue listener, JSC::JSObject& jsEventTarget);
-template void EventTarget::setAttributeEventListener<JSEventListener>(const AtomString& eventType, JSC::JSValue listener, JSC::JSObject& jsEventTarget);
-
-bool EventTarget::setAttributeEventListener(const AtomString& eventType, RefPtr<EventListener>&& listener, DOMWrapperWorld& isolatedWorld)
-{
-    auto* existingListener = attributeEventListener(eventType, isolatedWorld);
-    if (!listener) {
-        if (existingListener)
-            removeEventListener(eventType, *existingListener, false);
-        return false;
-    }
-    // if (existingListener) {
-    //     InspectorInstrumentation::willRemoveEventListener(*this, eventType, *existingListener, false);
-
-#if ASSERT_ENABLED
-    listener->checkValidityForEventTarget(*this);
-#endif
-
-    auto listenerPointer = listener.copyRef();
-    eventTargetData()->eventListenerMap.replace(eventType, *existingListener, listener.releaseNonNull(), {});
-
-    // InspectorInstrumentation::didAddEventListener(*this, eventType, *listenerPointer, false);
-
-    return true;
-
-    return addEventListener(eventType, listener.releaseNonNull(), {});
-}
-
-JSEventListener* EventTarget::attributeEventListener(const AtomString& eventType, DOMWrapperWorld& isolatedWorld)
-{
-    for (auto& eventListener : eventListeners(eventType)) {
-        auto& listener = eventListener->callback();
-        if (listener.type() != EventListener::JSEventListenerType)
-            continue;
-
-        auto& jsListener = downcast<JSEventListener>(listener);
-        if (jsListener.isAttribute() && &jsListener.isolatedWorld() == &isolatedWorld)
-            return &jsListener;
-    }
-
-    return nullptr;
-}
-
-bool EventTarget::hasActiveEventListeners(const AtomString& eventType) const
-{
-    auto* data = eventTargetData();
-    return data && data->eventListenerMap.containsActive(eventType);
-}
-
-ExceptionOr<bool> EventTarget::dispatchEventForBindings(Event& event)
-{
-    if (!event.isInitialized() || event.isBeingDispatched())
-        return Exception { InvalidStateError };
-
-    if (!scriptExecutionContext())
-        return false;
-
-    event.setUntrusted();
-
-    dispatchEvent(event);
-    return event.legacyReturnValue();
-}
-
-void EventTarget::dispatchEvent(Event& event)
-{
-    // FIXME: We should always use EventDispatcher.
-    ASSERT(event.isInitialized());
-    ASSERT(!event.isBeingDispatched());
-
-    event.setTarget(this);
-    event.setCurrentTarget(this);
-    event.setEventPhase(Event::AT_TARGET);
-    event.resetBeforeDispatch();
-    fireEventListeners(event, EventInvokePhase::Capturing);
-    fireEventListeners(event, EventInvokePhase::Bubbling);
-    event.resetAfterDispatch();
-}
-
-void EventTarget::uncaughtExceptionInEventHandler()
-{
-}
-
-static const AtomString& legacyType(const Event& event)
-{
-
-    return nullAtom();
-}
-
-// https://dom.spec.whatwg.org/#concept-event-listener-invoke
-void EventTarget::fireEventListeners(Event& event, EventInvokePhase phase)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(ScriptDisallowedScope::isEventAllowedInMainThread());
-    ASSERT(event.isInitialized());
-
-    auto* data = eventTargetData();
-    if (!data)
-        return;
-
-    SetForScope firingEventListenersScope(data->isFiringEventListeners, true);
-
-    if (auto* listenersVector = data->eventListenerMap.find(event.type())) {
-        innerInvokeEventListeners(event, *listenersVector, phase);
-        return;
-    }
-
-    // Only fall back to legacy types for trusted events.
-    if (!event.isTrusted())
-        return;
-
-    const AtomString& legacyTypeName = legacyType(event);
-    if (!legacyTypeName.isNull()) {
-        if (auto* legacyListenersVector = data->eventListenerMap.find(legacyTypeName)) {
-            AtomString typeName = event.type();
-            event.setType(legacyTypeName);
-            innerInvokeEventListeners(event, *legacyListenersVector, phase);
-            event.setType(typeName);
-        }
-    }
-}
-
-// Intentionally creates a copy of the listeners vector to avoid event listeners added after this point from being run.
-// Note that removal still has an effect due to the removed field in RegisteredEventListener.
-// https://dom.spec.whatwg.org/#concept-event-listener-inner-invoke
-void EventTarget::innerInvokeEventListeners(Event& event, EventListenerVector listeners, EventInvokePhase phase)
-{
-    Ref<EventTarget> protectedThis(*this);
-    ASSERT(!listeners.isEmpty());
-    ASSERT(scriptExecutionContext());
-
-    auto& context = *scriptExecutionContext();
-    // bool contextIsDocument = is<Document>(context);
-    // if (contextIsDocument)
-    //     InspectorInstrumentation::willDispatchEvent(downcast<Document>(context), event);
-
-    for (auto& registeredListener : listeners) {
-        if (UNLIKELY(registeredListener->wasRemoved()))
-            continue;
-
-        if (phase == EventInvokePhase::Capturing && !registeredListener->useCapture())
-            continue;
-        if (phase == EventInvokePhase::Bubbling && registeredListener->useCapture())
-            continue;
-
-        // if (InspectorInstrumentation::isEventListenerDisabled(*this, event.type(), registeredListener->callback(), registeredListener->useCapture()))
-        //     continue;
-
-        // If stopImmediatePropagation has been called, we just break out immediately, without
-        // handling any more events on this target.
-        if (event.immediatePropagationStopped())
-            break;
-
-        // Make sure the JS wrapper and function stay alive until the end of this scope. Otherwise,
-        // event listeners with 'once' flag may get collected as soon as they get unregistered below,
-        // before we call the js function.
-        JSC::EnsureStillAliveScope wrapperProtector(registeredListener->callback().wrapper());
-        JSC::EnsureStillAliveScope jsFunctionProtector(registeredListener->callback().jsFunction());
-
-        // Do this before invocation to avoid reentrancy issues.
-        if (registeredListener->isOnce())
-            removeEventListener(event.type(), registeredListener->callback(), registeredListener->useCapture());
-
-        if (registeredListener->isPassive())
-            event.setInPassiveListener(true);
-
-#if ASSERT_ENABLED
-        registeredListener->callback().checkValidityForEventTarget(*this);
-#endif
-
-        // InspectorInstrumentation::willHandleEvent(context, event, *registeredListener);
-        registeredListener->callback().handleEvent(context, event);
-        // InspectorInstrumentation::didHandleEvent(context, event, *registeredListener);
-
-        // if (registeredListener->isPassive())
-        // event.setInPassiveListener(false);
-    }
-
-    // if (contextIsDocument)
-    //     InspectorInstrumentation::didDispatchEvent(downcast<Document>(context), event);
-}
-
-Vector<AtomString> EventTarget::eventTypes()
-{
-    if (auto* data = eventTargetData())
-        return data->eventListenerMap.eventTypes();
-    return {};
-}
-
-const EventListenerVector& EventTarget::eventListeners(const AtomString& eventType)
-{
-    auto* data = eventTargetData();
-    auto* listenerVector = data ? data->eventListenerMap.find(eventType) : nullptr;
-    static NeverDestroyed<EventListenerVector> emptyVector;
-    return listenerVector ? *listenerVector : emptyVector.get();
-}
-
-void EventTarget::removeAllEventListeners()
-{
-    // auto& threadData = threadGlobalData();
-    // RELEASE_ASSERT(!threadData.isInRemoveAllEventListeners());
-
-    // threadData.setIsInRemoveAllEventListeners(true);
-
-    auto* data = eventTargetData();
-    if (data && !data->eventListenerMap.isEmpty()) {
-        // if (data->eventListenerMap.contains(eventNames().wheelEvent) || data->eventListenerMap.contains(eventNames().mousewheelEvent))
-        // invalidateEventListenerRegions();
-
-        data->eventListenerMap.clear();
-        eventListenersDidChange();
-    }
-
-    // threadData.setIsInRemoveAllEventListeners(false);
-}
-
-void EventTarget::invalidateEventListenerRegions()
-{
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventTarget.h b/src/javascript/jsc/bindings/webcore/EventTarget.h
deleted file mode 100644
index b763393d7..000000000
--- a/src/javascript/jsc/bindings/webcore/EventTarget.h
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004-2021 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- *           (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "EventListenerMap.h"
-#include "EventListenerOptions.h"
-#include "EventTargetInterfaces.h"
-#include "ExceptionOr.h"
-#include "ScriptWrappable.h"
-#include <memory>
-#include <variant>
-#include <wtf/Forward.h>
-// #include <wtf/IsoMalloc.h>
-
-#include <wtf/WeakPtr.h>
-
-#include "root.h"
-
-namespace JSC {
-class JSValue;
-class JSObject;
-}
-
-namespace WebCore {
-
-struct AddEventListenerOptions;
-class DOMWrapperWorld;
-class JSEventListener;
-
-struct EventTargetData {
-    WTF_MAKE_NONCOPYABLE(EventTargetData);
-    WTF_MAKE_FAST_ALLOCATED;
-
-public:
-    EventTargetData() = default;
-    EventListenerMap eventListenerMap;
-    bool isFiringEventListeners { false };
-};
-
-class EventTarget : public ScriptWrappable, public CanMakeWeakPtr<EventTarget> {
-    WTF_MAKE_ISO_ALLOCATED(EventTarget);
-
-public:
-    static Ref<EventTarget> create(ScriptExecutionContext&);
-
-    void ref() { refEventTarget(); }
-    void deref() { derefEventTarget(); }
-
-    virtual EventTargetInterface eventTargetInterface() const = 0;
-    virtual ScriptExecutionContext* scriptExecutionContext() const = 0;
-
-    WEBCORE_EXPORT virtual bool isNode() const;
-    WEBCORE_EXPORT virtual bool isPaymentRequest() const;
-
-    using AddEventListenerOptionsOrBoolean = std::variant<AddEventListenerOptions, bool>;
-    WEBCORE_EXPORT void addEventListenerForBindings(const AtomString& eventType, RefPtr<EventListener>&&, AddEventListenerOptionsOrBoolean&&);
-    using EventListenerOptionsOrBoolean = std::variant<EventListenerOptions, bool>;
-    WEBCORE_EXPORT void removeEventListenerForBindings(const AtomString& eventType, RefPtr<EventListener>&&, EventListenerOptionsOrBoolean&&);
-    WEBCORE_EXPORT ExceptionOr<bool> dispatchEventForBindings(Event&);
-
-    WEBCORE_EXPORT virtual bool addEventListener(const AtomString& eventType, Ref<EventListener>&&, const AddEventListenerOptions&);
-    WEBCORE_EXPORT virtual bool removeEventListener(const AtomString& eventType, EventListener&, const EventListenerOptions& = {});
-
-    WEBCORE_EXPORT virtual void removeAllEventListeners();
-    WEBCORE_EXPORT virtual void dispatchEvent(Event&);
-    WEBCORE_EXPORT virtual void uncaughtExceptionInEventHandler();
-
-    // Used for legacy "onevent" attributes.
-    template<typename JSMaybeErrorEventListener>
-    void setAttributeEventListener(const AtomString& eventType, JSC::JSValue listener, JSC::JSObject& jsEventTarget);
-    bool setAttributeEventListener(const AtomString& eventType, RefPtr<EventListener>&&, DOMWrapperWorld&);
-    JSEventListener* attributeEventListener(const AtomString& eventType, DOMWrapperWorld&);
-
-    bool hasEventListeners() const;
-    bool hasEventListeners(const AtomString& eventType) const;
-    bool hasCapturingEventListeners(const AtomString& eventType);
-    bool hasActiveEventListeners(const AtomString& eventType) const;
-
-    Vector<AtomString> eventTypes();
-    const EventListenerVector& eventListeners(const AtomString& eventType);
-
-    enum class EventInvokePhase { Capturing,
-        Bubbling };
-    void fireEventListeners(Event&, EventInvokePhase);
-    bool isFiringEventListeners() const;
-
-    template<typename Visitor> void visitJSEventListeners(Visitor&);
-    void invalidateJSEventListeners(JSC::JSObject*);
-
-    const EventTargetData* eventTargetData() const;
-
-protected:
-    WEBCORE_EXPORT virtual ~EventTarget();
-
-    virtual EventTargetData* eventTargetData() = 0;
-    virtual EventTargetData* eventTargetDataConcurrently() = 0;
-    virtual EventTargetData& ensureEventTargetData() = 0;
-
-    virtual void eventListenersDidChange() {}
-
-private:
-    virtual void refEventTarget() = 0;
-    virtual void derefEventTarget() = 0;
-
-    void innerInvokeEventListeners(Event&, EventListenerVector, EventInvokePhase);
-    void invalidateEventListenerRegions();
-};
-
-class EventTargetWithInlineData : public EventTarget {
-    WTF_MAKE_ISO_ALLOCATED_EXPORT(EventTargetWithInlineData, WEBCORE_EXPORT);
-
-protected:
-    EventTargetData* eventTargetData() final { return &m_eventTargetData; }
-    EventTargetData* eventTargetDataConcurrently() final { return &m_eventTargetData; }
-    EventTargetData& ensureEventTargetData() final { return m_eventTargetData; }
-
-private:
-    EventTargetData m_eventTargetData;
-};
-
-inline const EventTargetData* EventTarget::eventTargetData() const
-{
-    return const_cast<EventTarget*>(this)->eventTargetData();
-}
-
-inline bool EventTarget::isFiringEventListeners() const
-{
-    auto* data = eventTargetData();
-    return data && data->isFiringEventListeners;
-}
-
-inline bool EventTarget::hasEventListeners() const
-{
-    auto* data = eventTargetData();
-    return data && !data->eventListenerMap.isEmpty();
-}
-
-inline bool EventTarget::hasEventListeners(const AtomString& eventType) const
-{
-    auto* data = eventTargetData();
-    return data && data->eventListenerMap.contains(eventType);
-}
-
-inline bool EventTarget::hasCapturingEventListeners(const AtomString& eventType)
-{
-    auto* data = eventTargetData();
-    return data && data->eventListenerMap.containsCapturing(eventType);
-}
-
-template<typename Visitor>
-void EventTarget::visitJSEventListeners(Visitor& visitor)
-{
-    if (auto* data = eventTargetDataConcurrently())
-        data->eventListenerMap.visitJSEventListeners(visitor);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventTarget.idl b/src/javascript/jsc/bindings/webcore/EventTarget.idl
deleted file mode 100644
index 3c3264b6e..000000000
--- a/src/javascript/jsc/bindings/webcore/EventTarget.idl
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2006-2017 Apple Inc. All rights reserved.
- * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-[
-    CustomToJSObject,
-    Exposed=*,
-    IsImmutablePrototypeExoticObjectOnPrototype,
-    JSCustomHeader,
-    JSCustomMarkFunction,
-    JSCustomToNativeObject,
-] interface EventTarget {
-    [CallWith=CurrentScriptExecutionContext] constructor();
-
-    [ImplementedAs=addEventListenerForBindings] undefined addEventListener([AtomString] DOMString type, EventListener? listener, optional (AddEventListenerOptions or boolean) options = false);
-    [ImplementedAs=removeEventListenerForBindings] undefined removeEventListener([AtomString] DOMString type, EventListener? listener, optional (EventListenerOptions or boolean) options = false);
-    [ImplementedAs=dispatchEventForBindings] boolean dispatchEvent(Event event);
-};
diff --git a/src/javascript/jsc/bindings/webcore/EventTargetConcrete.cpp b/src/javascript/jsc/bindings/webcore/EventTargetConcrete.cpp
deleted file mode 100644
index ded224beb..000000000
--- a/src/javascript/jsc/bindings/webcore/EventTargetConcrete.cpp
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (C) 2020 Alexey Shvayka <shvaikalesh@gmail.com>.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "EventTargetConcrete.h"
-
-namespace WebCore {
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(EventTargetConcrete);
-
-Ref<EventTargetConcrete> EventTargetConcrete::create(ScriptExecutionContext& context)
-{
-    return adoptRef(*new EventTargetConcrete(context));
-}
-
-EventTargetConcrete::EventTargetConcrete(ScriptExecutionContext& context)
-    : ContextDestructionObserver(&context)
-{
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventTargetConcrete.h b/src/javascript/jsc/bindings/webcore/EventTargetConcrete.h
deleted file mode 100644
index 202be2d9e..000000000
--- a/src/javascript/jsc/bindings/webcore/EventTargetConcrete.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2020 Alexey Shvayka <shvaikalesh@gmail.com>.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "root.h"
-#include "ContextDestructionObserver.h"
-#include "EventTarget.h"
-#include "EventTargetInterfaces.h"
-#include "ScriptExecutionContext.h"
-// #include <wtf/IsoMallocInlines.h>
-#include <wtf/RefCounted.h>
-
-namespace WebCore {
-
-class EventTargetConcrete final : public RefCounted<EventTargetConcrete>, public EventTargetWithInlineData, private ContextDestructionObserver {
-    WTF_MAKE_ISO_ALLOCATED(EventTargetConcrete);
-
-public:
-    static Ref<EventTargetConcrete> create(ScriptExecutionContext&);
-
-    bool hasEventTargetData() const { return true; }
-
-    using RefCounted::deref;
-    using RefCounted::ref;
-
-private:
-    explicit EventTargetConcrete(ScriptExecutionContext&);
-
-    EventTargetInterface eventTargetInterface() const final { return EventTargetInterfaceType; }
-    ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); }
-
-    void refEventTarget() final { ref(); }
-    void derefEventTarget() final { deref(); }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventTargetFactory.cpp b/src/javascript/jsc/bindings/webcore/EventTargetFactory.cpp
deleted file mode 100644
index b52214fe0..000000000
--- a/src/javascript/jsc/bindings/webcore/EventTargetFactory.cpp
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT.
- *
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "EventTargetHeaders.h"
-#include "JSDOMWrapperCache.h"
-
-#include "JSDOMGlobalObject.h"
-#include <JavaScriptCore/StructureInlines.h>
-
-namespace WebCore {
-
-JSC::JSValue toJS(JSC::JSGlobalObject* state, JSDOMGlobalObject* globalObject, EventTarget& impl)
-{
-    switch (impl.eventTargetInterface()) {
-    case EventTargetInterfaceType:
-        break;
-    case AbortSignalEventTargetInterfaceType:
-        return toJS(state, globalObject, static_cast<AbortSignal&>(impl));
-        // #if ENABLE(APPLE_PAY)
-        //     case ApplePaySessionEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<ApplePaySession&>(impl));
-        // #endif
-        // #if ENABLE(WEB_AUDIO)
-        //     case AudioNodeEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<AudioNode&>(impl));
-        // #endif
-        // #if ENABLE(VIDEO)
-        //     case AudioTrackListEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<AudioTrackList&>(impl));
-        // #endif
-        // #if ENABLE(WEB_AUDIO)
-        //     case BaseAudioContextEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<BaseAudioContext&>(impl));
-        // #endif
-        //     case BroadcastChannelEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<BroadcastChannel&>(impl));
-        //     case ClipboardEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<Clipboard&>(impl));
-        //     case DOMApplicationCacheEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<DOMApplicationCache&>(impl));
-        //     case DOMWindowEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<DOMWindow&>(impl));
-        //     case DedicatedWorkerGlobalScopeEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<DedicatedWorkerGlobalScope&>(impl));
-        //     case EventSourceEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<EventSource&>(impl));
-        //     case FileReaderEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<FileReader&>(impl));
-        //     case FontFaceSetEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<FontFaceSet&>(impl));
-        //     case GPUDeviceEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<GPUDevice&>(impl));
-        //     case IDBDatabaseEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<IDBDatabase&>(impl));
-        //     case IDBOpenDBRequestEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<IDBOpenDBRequest&>(impl));
-        //     case IDBRequestEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<IDBRequest&>(impl));
-        //     case IDBTransactionEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<IDBTransaction&>(impl));
-        // #if ENABLE(VIDEO)
-        //     case MediaControllerEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaController&>(impl));
-        // #endif
-        // #if ENABLE(MEDIA_STREAM)
-        //     case MediaDevicesEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaDevices&>(impl));
-        // #endif
-        // #if ENABLE(ENCRYPTED_MEDIA)
-        //     case MediaKeySessionEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaKeySession&>(impl));
-        // #endif
-        //     case MediaQueryListEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaQueryList&>(impl));
-        // #if ENABLE(MEDIA_RECORDER)
-        //     case MediaRecorderEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaRecorder&>(impl));
-        // #endif
-        // #if ENABLE(MEDIA_SESSION_COORDINATOR)
-        //     case MediaSessionCoordinatorEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaSessionCoordinator&>(impl));
-        // #endif
-        // #if ENABLE(MEDIA_SOURCE)
-        //     case MediaSourceEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaSource&>(impl));
-        // #endif
-        // #if ENABLE(MEDIA_STREAM)
-        //     case MediaStreamEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaStream&>(impl));
-        // #endif
-        // #if ENABLE(MEDIA_STREAM)
-        //     case MediaStreamTrackEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MediaStreamTrack&>(impl));
-        // #endif
-        //     case MessagePortEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<MessagePort&>(impl));
-        //     case NodeEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<Node&>(impl));
-        // #if ENABLE(NOTIFICATIONS)
-        //     case NotificationEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<Notification&>(impl));
-        // #endif
-        // #if ENABLE(OFFSCREEN_CANVAS)
-        //     case OffscreenCanvasEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<OffscreenCanvas&>(impl));
-        // #endif
-        // #if ENABLE(PAYMENT_REQUEST)
-        //     case PaymentRequestEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<PaymentRequest&>(impl));
-        // #endif
-        // #if ENABLE(PAYMENT_REQUEST)
-        //     case PaymentResponseEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<PaymentResponse&>(impl));
-        // #endif
-        //     case PerformanceEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<Performance&>(impl));
-        //     case PermissionStatusEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<PermissionStatus&>(impl));
-        // #if ENABLE(PICTURE_IN_PICTURE_API)
-        //     case PictureInPictureWindowEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<PictureInPictureWindow&>(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCDTMFSenderEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RTCDTMFSender&>(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCDataChannelEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RTCDataChannel&>(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCDtlsTransportEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RTCDtlsTransport&>(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCIceTransportEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RTCIceTransport&>(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCPeerConnectionEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RTCPeerConnection&>(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCRtpSFrameTransformEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RTCRtpSFrameTransform&>(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCRtpScriptTransformEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RTCRtpScriptTransform&>(impl));
-        // #endif
-        // #if ENABLE(WEB_RTC)
-        //     case RTCSctpTransportEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RTCSctpTransport&>(impl));
-        // #endif
-        // #if ENABLE(WIRELESS_PLAYBACK_TARGET)
-        //     case RemotePlaybackEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<RemotePlayback&>(impl));
-        // #endif
-        // #if ENABLE(SERVICE_WORKER)
-        //     case ServiceWorkerEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<ServiceWorker&>(impl));
-        // #endif
-        // #if ENABLE(SERVICE_WORKER)
-        //     case ServiceWorkerContainerEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<ServiceWorkerContainer&>(impl));
-        // #endif
-        // #if ENABLE(SERVICE_WORKER)
-        //     case ServiceWorkerGlobalScopeEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<ServiceWorkerGlobalScope&>(impl));
-        // #endif
-        // #if ENABLE(SERVICE_WORKER)
-        //     case ServiceWorkerRegistrationEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<ServiceWorkerRegistration&>(impl));
-        // #endif
-        //     case SharedWorkerEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<SharedWorker&>(impl));
-        //     case SharedWorkerGlobalScopeEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<SharedWorkerGlobalScope&>(impl));
-        // #if ENABLE(MEDIA_SOURCE)
-        //     case SourceBufferEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<SourceBuffer&>(impl));
-        // #endif
-        // #if ENABLE(MEDIA_SOURCE)
-        //     case SourceBufferListEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<SourceBufferList&>(impl));
-        // #endif
-        //     case SpeechRecognitionEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<SpeechRecognition&>(impl));
-        // #if ENABLE(SPEECH_SYNTHESIS)
-        //     case SpeechSynthesisEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<SpeechSynthesis&>(impl));
-        // #endif
-        // #if ENABLE(SPEECH_SYNTHESIS)
-        //     case SpeechSynthesisUtteranceEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<SpeechSynthesisUtterance&>(impl));
-        // #endif
-        // #if ENABLE(VIDEO)
-        //     case TextTrackEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<TextTrack&>(impl));
-        // #endif
-        // #if ENABLE(VIDEO)
-        //     case TextTrackCueEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<TextTrackCue&>(impl));
-        // #endif
-        // #if ENABLE(VIDEO)
-        //     case TextTrackCueGenericEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<TextTrackCueGeneric&>(impl));
-        // #endif
-        // #if ENABLE(VIDEO)
-        //     case TextTrackListEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<TextTrackList&>(impl));
-        // #endif
-        // #if ENABLE(VIDEO)
-        //     case VideoTrackListEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<VideoTrackList&>(impl));
-        // #endif
-        //     case VisualViewportEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<VisualViewport&>(impl));
-        //     case WebAnimationEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<WebAnimation&>(impl));
-        // #if ENABLE(LEGACY_ENCRYPTED_MEDIA)
-        //     case WebKitMediaKeySessionEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<WebKitMediaKeySession&>(impl));
-        // #endif
-    case WebSocketEventTargetInterfaceType:
-        return toJS(state, globalObject, static_cast<WebSocket&>(impl));
-        // #if ENABLE(WEBXR)
-        //     case WebXRLayerEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<WebXRLayer&>(impl));
-        // #endif
-        // #if ENABLE(WEBXR)
-        //     case WebXRSessionEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<WebXRSession&>(impl));
-        // #endif
-        // #if ENABLE(WEBXR)
-        //     case WebXRSpaceEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<WebXRSpace&>(impl));
-        // #endif
-        // #if ENABLE(WEBXR)
-        //     case WebXRSystemEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<WebXRSystem&>(impl));
-        // #endif
-        //     case WorkerEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<Worker&>(impl));
-        //     case WorkletGlobalScopeEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<WorkletGlobalScope&>(impl));
-        //     case XMLHttpRequestEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<XMLHttpRequest&>(impl));
-        //     case XMLHttpRequestUploadEventTargetInterfaceType:
-        //         return toJS(state, globalObject, static_cast<XMLHttpRequestUpload&>(impl));
-        //     }
-    }
-    return wrap(state, globalObject, impl);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/EventTargetHeaders.h b/src/javascript/jsc/bindings/webcore/EventTargetHeaders.h
deleted file mode 100644
index ae6ee0d3f..000000000
--- a/src/javascript/jsc/bindings/webcore/EventTargetHeaders.h
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT.
- *
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef EventTargetHeaders_h
-#define EventTargetHeaders_h
-
-#include "AbortSignal.h"
-#include "JSAbortSignal.h"
-// #if ENABLE(APPLE_PAY)
-// #include "ApplePaySession.h"
-// #include "JSApplePaySession.h"
-// #endif
-// #if ENABLE(WEB_AUDIO)
-// #include "AudioNode.h"
-// #include "JSAudioNode.h"
-// #endif
-// #if ENABLE(VIDEO)
-// #include "AudioTrackList.h"
-// #include "JSAudioTrackList.h"
-// #endif
-// #if ENABLE(WEB_AUDIO)
-// #include "BaseAudioContext.h"
-// #include "JSBaseAudioContext.h"
-// #endif
-// #include "BroadcastChannel.h"
-// #include "Clipboard.h"
-// #include "DOMApplicationCache.h"
-// #include "DOMWindow.h"
-// #include "DedicatedWorkerGlobalScope.h"
-// #include "EventSource.h"
-// #include "FileReader.h"
-// #include "FontFaceSet.h"
-// #include "GPUDevice.h"
-// #include "IDBDatabase.h"
-// #include "IDBOpenDBRequest.h"
-// #include "IDBRequest.h"
-// #include "IDBTransaction.h"
-// #include "JSBroadcastChannel.h"
-// #include "JSClipboard.h"
-// #include "JSDOMApplicationCache.h"
-// #include "JSDOMWindow.h"
-// #include "JSDedicatedWorkerGlobalScope.h"
-// #include "JSEventSource.h"
-// #include "JSFileReader.h"
-// #include "JSFontFaceSet.h"
-// #include "JSGPUDevice.h"
-// #include "JSIDBDatabase.h"
-// #include "JSIDBOpenDBRequest.h"
-// #include "JSIDBRequest.h"
-// #include "JSIDBTransaction.h"
-// #if ENABLE(VIDEO)
-// #include "JSMediaController.h"
-// #include "MediaController.h"
-// #endif
-// #if ENABLE(MEDIA_STREAM)
-// #include "JSMediaDevices.h"
-// #include "MediaDevices.h"
-// #endif
-// #if ENABLE(ENCRYPTED_MEDIA)
-// #include "JSMediaKeySession.h"
-// #include "MediaKeySession.h"
-// #endif
-// #include "JSMediaQueryList.h"
-// #include "MediaQueryList.h"
-// #if ENABLE(MEDIA_RECORDER)
-// #include "JSMediaRecorder.h"
-// #include "MediaRecorder.h"
-// #endif
-// #if ENABLE(MEDIA_SESSION_COORDINATOR)
-// #include "JSMediaSessionCoordinator.h"
-// #include "MediaSessionCoordinator.h"
-// #endif
-// #if ENABLE(MEDIA_SOURCE)
-// #include "JSMediaSource.h"
-// #include "MediaSource.h"
-// #endif
-// #if ENABLE(MEDIA_STREAM)
-// #include "JSMediaStream.h"
-// #include "MediaStream.h"
-// #endif
-// #if ENABLE(MEDIA_STREAM)
-// #include "JSMediaStreamTrack.h"
-// #include "MediaStreamTrack.h"
-// #endif
-// #include "MessagePort.h"
-// #include "JSMessagePort.h"
-// #include "JSNode.h"
-#include "Node.h"
-// #if ENABLE(NOTIFICATIONS)
-// #include "JSNotification.h"
-// #include "Notification.h"
-// #endif
-// #if ENABLE(OFFSCREEN_CANVAS)
-// #include "JSOffscreenCanvas.h"
-// #include "OffscreenCanvas.h"
-// #endif
-// #if ENABLE(PAYMENT_REQUEST)
-// #include "JSPaymentRequest.h"
-// #include "PaymentRequest.h"
-// #endif
-// #if ENABLE(PAYMENT_REQUEST)
-// #include "JSPaymentResponse.h"
-// #include "PaymentResponse.h"
-// #endif
-// #include "JSPerformance.h"
-// #include "JSPermissionStatus.h"
-// #include "Performance.h"
-// #include "PermissionStatus.h"
-// #if ENABLE(PICTURE_IN_PICTURE_API)
-// #include "JSPictureInPictureWindow.h"
-// #include "PictureInPictureWindow.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "JSRTCDTMFSender.h"
-// #include "RTCDTMFSender.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "JSRTCDataChannel.h"
-// #include "RTCDataChannel.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "JSRTCDtlsTransport.h"
-// #include "RTCDtlsTransport.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "JSRTCIceTransport.h"
-// #include "RTCIceTransport.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "JSRTCPeerConnection.h"
-// #include "RTCPeerConnection.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "JSRTCRtpSFrameTransform.h"
-// #include "RTCRtpSFrameTransform.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "JSRTCRtpScriptTransform.h"
-// #include "RTCRtpScriptTransform.h"
-// #endif
-// #if ENABLE(WEB_RTC)
-// #include "JSRTCSctpTransport.h"
-// #include "RTCSctpTransport.h"
-// #endif
-// #if ENABLE(WIRELESS_PLAYBACK_TARGET)
-// #include "JSRemotePlayback.h"
-// #include "RemotePlayback.h"
-// #endif
-// #if ENABLE(SERVICE_WORKER)
-// #include "JSServiceWorker.h"
-// #include "ServiceWorker.h"
-// #endif
-// #if ENABLE(SERVICE_WORKER)
-// #include "JSServiceWorkerContainer.h"
-// #include "ServiceWorkerContainer.h"
-// #endif
-// #if ENABLE(SERVICE_WORKER)
-// #include "JSServiceWorkerGlobalScope.h"
-// #include "ServiceWorkerGlobalScope.h"
-// #endif
-// #if ENABLE(SERVICE_WORKER)
-// #include "JSServiceWorkerRegistration.h"
-// #include "ServiceWorkerRegistration.h"
-// #endif
-// #include "JSSharedWorker.h"
-// #include "JSSharedWorkerGlobalScope.h"
-// #include "SharedWorker.h"
-// #include "SharedWorkerGlobalScope.h"
-// #if ENABLE(MEDIA_SOURCE)
-// #include "JSSourceBuffer.h"
-// #include "SourceBuffer.h"
-// #endif
-// #if ENABLE(MEDIA_SOURCE)
-// #include "JSSourceBufferList.h"
-// #include "SourceBufferList.h"
-// #endif
-// #include "JSSpeechRecognition.h"
-// #include "SpeechRecognition.h"
-// #if ENABLE(SPEECH_SYNTHESIS)
-// #include "JSSpeechSynthesis.h"
-// #include "SpeechSynthesis.h"
-// #endif
-// #if ENABLE(SPEECH_SYNTHESIS)
-// #include "JSSpeechSynthesisUtterance.h"
-// #include "SpeechSynthesisUtterance.h"
-// #endif
-// #if ENABLE(VIDEO)
-// #include "JSTextTrack.h"
-// #include "TextTrack.h"
-// #endif
-// #if ENABLE(VIDEO)
-// #include "JSTextTrackCue.h"
-// #include "TextTrackCue.h"
-// #endif
-// #if ENABLE(VIDEO)
-// #include "JSTextTrackCueGeneric.h"
-// #include "TextTrackCueGeneric.h"
-// #endif
-// #if ENABLE(VIDEO)
-// #include "JSTextTrackList.h"
-// #include "TextTrackList.h"
-// #endif
-// #if ENABLE(VIDEO)
-// #include "JSVideoTrackList.h"
-// #include "VideoTrackList.h"
-// #endif
-// #include "VisualViewport.h"
-// #include "JSVisualViewport.h"
-// #include "WebAnimation.h"
-// #include "JSWebAnimation.h"
-// #if ENABLE(LEGACY_ENCRYPTED_MEDIA)
-// #include "JSWebKitMediaKeySession.h"
-// #include "WebKitMediaKeySession.h"
-// #endif
-#include "WebSocket.h"
-#include "JSWebSocket.h"
-// #if ENABLE(WEBXR)
-// #include "JSWebXRLayer.h"
-// #include "WebXRLayer.h"
-// #endif
-// #if ENABLE(WEBXR)
-// #include "JSWebXRSession.h"
-// #include "WebXRSession.h"
-// #endif
-// #if ENABLE(WEBXR)
-// #include "JSWebXRSpace.h"
-// #include "WebXRSpace.h"
-// #endif
-// #if ENABLE(WEBXR)
-// #include "JSWebXRSystem.h"
-// #include "WebXRSystem.h"
-// #endif
-// #include "Worker.h"
-// #include "JSWorker.h"
-// #include "WorkletGlobalScope.h"
-// #include "JSWorkletGlobalScope.h"
-// #include "XMLHttpRequest.h"
-// #include "JSXMLHttpRequest.h"
-// #include "XMLHttpRequestUpload.h"
-// #include "JSXMLHttpRequestUpload.h"
-
-#endif // EventTargetHeaders_h
diff --git a/src/javascript/jsc/bindings/webcore/EventTargetInterfaces.h b/src/javascript/jsc/bindings/webcore/EventTargetInterfaces.h
deleted file mode 100644
index 0226d0c0e..000000000
--- a/src/javascript/jsc/bindings/webcore/EventTargetInterfaces.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT EDIT.
- *
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY GOOGLE, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-namespace WebCore {
-
-enum EventTargetInterface {
-#if ENABLE(APPLE_PAY)
-    ApplePaySessionEventTargetInterfaceType = 1,
-#endif
-#if ENABLE(ENCRYPTED_MEDIA)
-    MediaKeySessionEventTargetInterfaceType = 2,
-#endif
-#if ENABLE(LEGACY_ENCRYPTED_MEDIA)
-    WebKitMediaKeySessionEventTargetInterfaceType = 3,
-#endif
-#if ENABLE(MEDIA_RECORDER)
-    MediaRecorderEventTargetInterfaceType = 4,
-#endif
-#if ENABLE(MEDIA_SESSION_COORDINATOR)
-    MediaSessionCoordinatorEventTargetInterfaceType = 5,
-#endif
-#if ENABLE(MEDIA_SOURCE)
-    MediaSourceEventTargetInterfaceType = 6,
-    SourceBufferEventTargetInterfaceType = 7,
-    SourceBufferListEventTargetInterfaceType = 8,
-#endif
-#if ENABLE(MEDIA_STREAM)
-    MediaDevicesEventTargetInterfaceType = 9,
-    MediaStreamEventTargetInterfaceType = 10,
-    MediaStreamTrackEventTargetInterfaceType = 11,
-#endif
-#if ENABLE(NOTIFICATIONS)
-    NotificationEventTargetInterfaceType = 12,
-#endif
-#if ENABLE(OFFSCREEN_CANVAS)
-    OffscreenCanvasEventTargetInterfaceType = 13,
-#endif
-#if ENABLE(PAYMENT_REQUEST)
-    PaymentRequestEventTargetInterfaceType = 14,
-    PaymentResponseEventTargetInterfaceType = 15,
-#endif
-#if ENABLE(PICTURE_IN_PICTURE_API)
-    PictureInPictureWindowEventTargetInterfaceType = 16,
-#endif
-#if ENABLE(SERVICE_WORKER)
-    ServiceWorkerEventTargetInterfaceType = 17,
-    ServiceWorkerContainerEventTargetInterfaceType = 18,
-    ServiceWorkerGlobalScopeEventTargetInterfaceType = 19,
-    ServiceWorkerRegistrationEventTargetInterfaceType = 20,
-#endif
-#if ENABLE(SPEECH_SYNTHESIS)
-    SpeechSynthesisEventTargetInterfaceType = 21,
-    SpeechSynthesisUtteranceEventTargetInterfaceType = 22,
-#endif
-#if ENABLE(VIDEO)
-    AudioTrackListEventTargetInterfaceType = 23,
-    MediaControllerEventTargetInterfaceType = 24,
-    TextTrackEventTargetInterfaceType = 25,
-    TextTrackCueEventTargetInterfaceType = 26,
-    TextTrackCueGenericEventTargetInterfaceType = 27,
-    TextTrackListEventTargetInterfaceType = 28,
-    VideoTrackListEventTargetInterfaceType = 29,
-#endif
-#if ENABLE(WEBXR)
-    WebXRLayerEventTargetInterfaceType = 30,
-    WebXRSessionEventTargetInterfaceType = 31,
-    WebXRSpaceEventTargetInterfaceType = 32,
-    WebXRSystemEventTargetInterfaceType = 33,
-#endif
-#if ENABLE(WEB_AUDIO)
-    AudioNodeEventTargetInterfaceType = 34,
-    BaseAudioContextEventTargetInterfaceType = 35,
-#endif
-#if ENABLE(WEB_RTC)
-    RTCDTMFSenderEventTargetInterfaceType = 36,
-    RTCDataChannelEventTargetInterfaceType = 37,
-    RTCDtlsTransportEventTargetInterfaceType = 38,
-    RTCIceTransportEventTargetInterfaceType = 39,
-    RTCPeerConnectionEventTargetInterfaceType = 40,
-    RTCRtpSFrameTransformEventTargetInterfaceType = 41,
-    RTCRtpScriptTransformEventTargetInterfaceType = 42,
-    RTCSctpTransportEventTargetInterfaceType = 43,
-#endif
-#if ENABLE(WIRELESS_PLAYBACK_TARGET)
-    RemotePlaybackEventTargetInterfaceType = 44,
-#endif
-    EventTargetInterfaceType = 45,
-    AbortSignalEventTargetInterfaceType = 46,
-    BroadcastChannelEventTargetInterfaceType = 47,
-    ClipboardEventTargetInterfaceType = 48,
-    DOMApplicationCacheEventTargetInterfaceType = 49,
-    DOMWindowEventTargetInterfaceType = 50,
-    DedicatedWorkerGlobalScopeEventTargetInterfaceType = 51,
-    EventSourceEventTargetInterfaceType = 52,
-    FileReaderEventTargetInterfaceType = 53,
-    FontFaceSetEventTargetInterfaceType = 54,
-    GPUDeviceEventTargetInterfaceType = 55,
-    IDBDatabaseEventTargetInterfaceType = 56,
-    IDBOpenDBRequestEventTargetInterfaceType = 57,
-    IDBRequestEventTargetInterfaceType = 58,
-    IDBTransactionEventTargetInterfaceType = 59,
-    MediaQueryListEventTargetInterfaceType = 60,
-    MessagePortEventTargetInterfaceType = 61,
-    NodeEventTargetInterfaceType = 62,
-    PerformanceEventTargetInterfaceType = 63,
-    PermissionStatusEventTargetInterfaceType = 64,
-    SharedWorkerEventTargetInterfaceType = 65,
-    SharedWorkerGlobalScopeEventTargetInterfaceType = 66,
-    SpeechRecognitionEventTargetInterfaceType = 67,
-    VisualViewportEventTargetInterfaceType = 68,
-    WebAnimationEventTargetInterfaceType = 69,
-    WebSocketEventTargetInterfaceType = 70,
-    WorkerEventTargetInterfaceType = 71,
-    WorkletGlobalScopeEventTargetInterfaceType = 72,
-    XMLHttpRequestEventTargetInterfaceType = 73,
-    XMLHttpRequestUploadEventTargetInterfaceType = 74,
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ExceptionDetails.h b/src/javascript/jsc/bindings/webcore/ExceptionDetails.h
deleted file mode 100644
index d25c2e462..000000000
--- a/src/javascript/jsc/bindings/webcore/ExceptionDetails.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2019 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "wtf/text/WTFString.h"
-
-namespace WebCore {
-
-struct ExceptionDetails {
-    enum class Type : uint8_t {
-        Script,
-        InvalidTargetFrame,
-        AppBoundDomain,
-    };
-
-    String message;
-    int lineNumber { 0 };
-    int columnNumber { 0 };
-    Type type { Type::Script };
-
-    // This bizarre explicit initialization of String is because older compilers (like on High Sierra)
-    // don't properly handle partial initialization lists unless every struct member has an explicit default value.
-    // Once we stop building on those platforms we can remove this.
-    String sourceURL {};
-};
-
-} // namespace WebCore
-
-namespace WTF {
-template<> struct EnumTraits<WebCore::ExceptionDetails::Type> {
-    using values = EnumValues<
-        WebCore::ExceptionDetails::Type,
-        WebCore::ExceptionDetails::Type::Script,
-        WebCore::ExceptionDetails::Type::InvalidTargetFrame,
-        WebCore::ExceptionDetails::Type::AppBoundDomain>;
-};
-}
diff --git a/src/javascript/jsc/bindings/webcore/ExtendedDOMClientIsoSubspaces.h b/src/javascript/jsc/bindings/webcore/ExtendedDOMClientIsoSubspaces.h
deleted file mode 100644
index 174eaa194..000000000
--- a/src/javascript/jsc/bindings/webcore/ExtendedDOMClientIsoSubspaces.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "DOMClientIsoSubspaces.h"
-
-namespace WebCore {
-
-class ExtendedDOMClientIsoSubspaces : public DOMClientIsoSubspaces {
-public:
-    ExtendedDOMClientIsoSubspaces() = default;
-};
-
-} // namespace WebCore
-
-namespace WebCore {
-using ExtendedDOMClientIsoSubspaces = WebCore::ExtendedDOMClientIsoSubspaces;
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/ExtendedDOMIsoSubspaces.h b/src/javascript/jsc/bindings/webcore/ExtendedDOMIsoSubspaces.h
deleted file mode 100644
index d5ccb4288..000000000
--- a/src/javascript/jsc/bindings/webcore/ExtendedDOMIsoSubspaces.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "DOMIsoSubspaces.h"
-
-namespace WebCore {
-
-class ExtendedDOMIsoSubspaces : public DOMIsoSubspaces {
-public:
-    ExtendedDOMIsoSubspaces() = default;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/FetchHeaders.cpp b/src/javascript/jsc/bindings/webcore/FetchHeaders.cpp
deleted file mode 100644
index 26af08f1a..000000000
--- a/src/javascript/jsc/bindings/webcore/FetchHeaders.cpp
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * Copyright (C) 2016 Canon Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Canon Inc. nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "FetchHeaders.h"
-
-#include "HTTPParsers.h"
-
-namespace WebCore {
-
-// https://fetch.spec.whatwg.org/#concept-headers-remove-privileged-no-cors-request-headers
-static void removePrivilegedNoCORSRequestHeaders(HTTPHeaderMap& headers)
-{
-    headers.remove(HTTPHeaderName::Range);
-}
-
-static ExceptionOr<bool> canWriteHeader(const String& name, const String& value, const String& combinedValue, FetchHeaders::Guard guard)
-{
-    if (!isValidHTTPToken(name))
-        return Exception { TypeError, makeString("Invalid header name: '", name, "'") };
-    ASSERT(value.isEmpty() || (!isHTTPSpace(value[0]) && !isHTTPSpace(value[value.length() - 1])));
-    if (!isValidHTTPHeaderValue((value)))
-        return Exception { TypeError, makeString("Header '", name, "' has invalid value: '", value, "'") };
-    if (guard == FetchHeaders::Guard::Immutable)
-        return Exception { TypeError, "Headers object's guard is 'immutable'"_s };
-    if (guard == FetchHeaders::Guard::Request && isForbiddenHeaderName(name))
-        return false;
-    if (guard == FetchHeaders::Guard::RequestNoCors && !combinedValue.isEmpty() && !isSimpleHeader(name, combinedValue))
-        return false;
-    if (guard == FetchHeaders::Guard::Response && isForbiddenResponseHeaderName(name))
-        return false;
-    return true;
-}
-
-static ExceptionOr<void> appendToHeaderMap(const String& name, const String& value, HTTPHeaderMap& headers, FetchHeaders::Guard guard)
-{
-    String normalizedValue = stripLeadingAndTrailingHTTPSpaces(value);
-    String combinedValue = normalizedValue;
-    if (headers.contains(name))
-        combinedValue = makeString(headers.get(name), ", ", normalizedValue);
-    auto canWriteResult = canWriteHeader(name, normalizedValue, combinedValue, guard);
-    if (canWriteResult.hasException())
-        return canWriteResult.releaseException();
-    if (!canWriteResult.releaseReturnValue())
-        return { };
-    headers.set(name, combinedValue);
-
-    if (guard == FetchHeaders::Guard::RequestNoCors)
-        removePrivilegedNoCORSRequestHeaders(headers);
-
-    return { };
-}
-
-static ExceptionOr<void> appendToHeaderMap(const HTTPHeaderMap::HTTPHeaderMapConstIterator::KeyValue& header, HTTPHeaderMap& headers, FetchHeaders::Guard guard)
-{
-    String normalizedValue = stripLeadingAndTrailingHTTPSpaces(header.value);
-    auto canWriteResult = canWriteHeader(header.key, normalizedValue, header.value, guard);
-    if (canWriteResult.hasException())
-        return canWriteResult.releaseException();
-    if (!canWriteResult.releaseReturnValue())
-        return { };
-    if (header.keyAsHTTPHeaderName)
-        headers.add(header.keyAsHTTPHeaderName.value(), header.value);
-    else
-        headers.add(header.key, header.value);
-
-    if (guard == FetchHeaders::Guard::RequestNoCors)
-        removePrivilegedNoCORSRequestHeaders(headers);
-
-    return { };
-}
-
-// https://fetch.spec.whatwg.org/#concept-headers-fill
-static ExceptionOr<void> fillHeaderMap(HTTPHeaderMap& headers, const FetchHeaders::Init& headersInit, FetchHeaders::Guard guard)
-{
-    if (std::holds_alternative<Vector<Vector<String>>>(headersInit)) {
-        auto& sequence = std::get<Vector<Vector<String>>>(headersInit);
-        for (auto& header : sequence) {
-            if (header.size() != 2)
-                return Exception { TypeError, "Header sub-sequence must contain exactly two items"_s };
-            auto result = appendToHeaderMap(header[0], header[1], headers, guard);
-            if (result.hasException())
-                return result.releaseException();
-        }
-    } else {
-        auto& record = std::get<Vector<KeyValuePair<String, String>>>(headersInit);
-        for (auto& header : record) {
-            auto result = appendToHeaderMap(header.key, header.value, headers, guard);
-            if (result.hasException())
-                return result.releaseException();
-        }
-    }
-
-    return { };
-}
-
-ExceptionOr<Ref<FetchHeaders>> FetchHeaders::create(std::optional<Init>&& headersInit)
-{
-    HTTPHeaderMap headers;
-
-    if (headersInit) {
-        auto result = fillHeaderMap(headers, *headersInit, Guard::None);
-        if (result.hasException())
-            return result.releaseException();
-    }
-
-    return adoptRef(*new FetchHeaders { Guard::None, WTFMove(headers) });
-}
-
-ExceptionOr<void> FetchHeaders::fill(const Init& headerInit)
-{
-    return fillHeaderMap(m_headers, headerInit, m_guard);
-}
-
-ExceptionOr<void> FetchHeaders::fill(const FetchHeaders& otherHeaders)
-{
-    for (auto& header : otherHeaders.m_headers) {
-        auto result = appendToHeaderMap(header, m_headers, m_guard);
-        if (result.hasException())
-            return result.releaseException();
-    }
-
-    return { };
-}
-
-ExceptionOr<void> FetchHeaders::append(const String& name, const String& value)
-{
-    return appendToHeaderMap(name, value, m_headers, m_guard);
-}
-
-// https://fetch.spec.whatwg.org/#dom-headers-delete
-ExceptionOr<void> FetchHeaders::remove(const String& name)
-{
-    if (!isValidHTTPToken(name))
-        return Exception { TypeError, makeString("Invalid header name: '", name, "'") };
-    if (m_guard == FetchHeaders::Guard::Immutable)
-        return Exception { TypeError, "Headers object's guard is 'immutable'"_s };
-    if (m_guard == FetchHeaders::Guard::Request && isForbiddenHeaderName(name))
-        return { };
-    if (m_guard == FetchHeaders::Guard::RequestNoCors && !isNoCORSSafelistedRequestHeaderName(name) && !isPriviledgedNoCORSRequestHeaderName(name))
-        return { };
-    if (m_guard == FetchHeaders::Guard::Response && isForbiddenResponseHeaderName(name))
-        return { };
-
-    m_headers.remove(name);
-
-    if (m_guard == FetchHeaders::Guard::RequestNoCors)
-        removePrivilegedNoCORSRequestHeaders(m_headers);
-
-    return { };
-}
-
-ExceptionOr<String> FetchHeaders::get(const String& name) const
-{
-    if (!isValidHTTPToken(name))
-        return Exception { TypeError, makeString("Invalid header name: '", name, "'") };
-    return m_headers.get(name);
-}
-
-ExceptionOr<bool> FetchHeaders::has(const String& name) const
-{
-    if (!isValidHTTPToken(name))
-        return Exception { TypeError, makeString("Invalid header name: '", name, "'") };
-    return m_headers.contains(name);
-}
-
-ExceptionOr<void> FetchHeaders::set(const String& name, const String& value)
-{
-    String normalizedValue = stripLeadingAndTrailingHTTPSpaces(value);
-    auto canWriteResult = canWriteHeader(name, normalizedValue, normalizedValue, m_guard);
-    if (canWriteResult.hasException())
-        return canWriteResult.releaseException();
-    if (!canWriteResult.releaseReturnValue())
-        return { };
-
-    m_headers.set(name, normalizedValue);
-
-    if (m_guard == FetchHeaders::Guard::RequestNoCors)
-        removePrivilegedNoCORSRequestHeaders(m_headers);
-
-    return { };
-}
-
-void FetchHeaders::filterAndFill(const HTTPHeaderMap& headers, Guard guard)
-{
-    for (auto& header : headers) {
-        String normalizedValue = stripLeadingAndTrailingHTTPSpaces(header.value);
-        auto canWriteResult = canWriteHeader(header.key, normalizedValue, header.value, guard);
-        if (canWriteResult.hasException())
-            continue;
-        if (!canWriteResult.releaseReturnValue())
-            continue;
-        if (header.keyAsHTTPHeaderName)
-            m_headers.add(header.keyAsHTTPHeaderName.value(), header.value);
-        else
-            m_headers.add(header.key, header.value);
-    }
-}
-
-std::optional<KeyValuePair<String, String>> FetchHeaders::Iterator::next()
-{
-    while (m_currentIndex < m_keys.size()) {
-        auto key = m_keys[m_currentIndex++];
-        auto value = m_headers->m_headers.get(key);
-        if (!value.isNull())
-            return KeyValuePair<String, String> { WTFMove(key), WTFMove(value) };
-    }
-    return std::nullopt;
-}
-
-FetchHeaders::Iterator::Iterator(FetchHeaders& headers)
-    : m_headers(headers)
-{
-    m_keys.reserveInitialCapacity(headers.m_headers.size());
-    for (auto& header : headers.m_headers)
-        m_keys.uncheckedAppend(header.key.convertToASCIILowercase());
-    std::sort(m_keys.begin(), m_keys.end(), WTF::codePointCompareLessThan);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/FetchHeaders.h b/src/javascript/jsc/bindings/webcore/FetchHeaders.h
deleted file mode 100644
index b116cf978..000000000
--- a/src/javascript/jsc/bindings/webcore/FetchHeaders.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (C) 2016 Canon Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Canon Inc. nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ExceptionOr.h"
-#include "HTTPHeaderMap.h"
-#include <variant>
-#include <wtf/HashTraits.h>
-#include <wtf/Vector.h>
-
-namespace WebCore {
-
-class FetchHeaders : public RefCounted<FetchHeaders> {
-public:
-    enum class Guard {
-        None,
-        Immutable,
-        Request,
-        RequestNoCors,
-        Response
-    };
-
-    using Init = std::variant<Vector<Vector<String>>, Vector<KeyValuePair<String, String>>>;
-    static ExceptionOr<Ref<FetchHeaders>> create(std::optional<Init>&&);
-
-    static Ref<FetchHeaders> create(Guard guard = Guard::None, HTTPHeaderMap&& headers = {}) { return adoptRef(*new FetchHeaders { guard, WTFMove(headers) }); }
-    static Ref<FetchHeaders> create(const FetchHeaders& headers) { return adoptRef(*new FetchHeaders { headers }); }
-
-    ExceptionOr<void> append(const String& name, const String& value);
-    ExceptionOr<void> remove(const String&);
-    ExceptionOr<String> get(const String&) const;
-    ExceptionOr<bool> has(const String&) const;
-    ExceptionOr<void> set(const String& name, const String& value);
-
-    ExceptionOr<void> fill(const Init&);
-    ExceptionOr<void> fill(const FetchHeaders&);
-    void filterAndFill(const HTTPHeaderMap&, Guard);
-
-    inline uint32_t size()
-    {
-        return m_headers.size();
-    }
-
-    String fastGet(HTTPHeaderName name) const { return m_headers.get(name); }
-    bool fastHas(HTTPHeaderName name) const { return m_headers.contains(name); }
-    void fastSet(HTTPHeaderName name, const String& value) { m_headers.set(name, value); }
-
-    class Iterator {
-    public:
-        explicit Iterator(FetchHeaders&);
-        std::optional<KeyValuePair<String, String>> next();
-
-    private:
-        Ref<FetchHeaders> m_headers;
-        size_t m_currentIndex { 0 };
-        Vector<String> m_keys;
-    };
-    Iterator createIterator() { return Iterator { *this }; }
-
-    void setInternalHeaders(HTTPHeaderMap&& headers) { m_headers = WTFMove(headers); }
-    const HTTPHeaderMap& internalHeaders() const { return m_headers; }
-
-    void setGuard(Guard);
-    Guard guard() const { return m_guard; }
-
-    FetchHeaders(Guard, HTTPHeaderMap&&);
-    explicit FetchHeaders(const FetchHeaders&);
-
-private:
-    Guard m_guard;
-    HTTPHeaderMap m_headers;
-};
-
-inline FetchHeaders::FetchHeaders(Guard guard, HTTPHeaderMap&& headers)
-    : m_guard(guard)
-    , m_headers(WTFMove(headers))
-{
-}
-
-inline FetchHeaders::FetchHeaders(const FetchHeaders& other)
-    : RefCounted<FetchHeaders>()
-    , m_guard(other.m_guard)
-    , m_headers(other.m_headers)
-{
-}
-
-inline void FetchHeaders::setGuard(Guard guard)
-{
-    ASSERT(!m_headers.size());
-    m_guard = guard;
-}
-
-} // namespace WebCore
-
-namespace WTF {
-
-template<> struct EnumTraits<WebCore::FetchHeaders::Guard> {
-    using values = EnumValues<
-        WebCore::FetchHeaders::Guard,
-        WebCore::FetchHeaders::Guard::None,
-        WebCore::FetchHeaders::Guard::Immutable,
-        WebCore::FetchHeaders::Guard::Request,
-        WebCore::FetchHeaders::Guard::RequestNoCors,
-        WebCore::FetchHeaders::Guard::Response>;
-};
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/FetchHeaders.idl b/src/javascript/jsc/bindings/webcore/FetchHeaders.idl
deleted file mode 100644
index daa0ebb8e..000000000
--- a/src/javascript/jsc/bindings/webcore/FetchHeaders.idl
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2016 Canon Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Canon Inc. nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-typedef (sequence<sequence<ByteString>> or record<ByteString, ByteString>) HeadersInit;
-
-[
-    Exposed=(Window,Worker),
-    InterfaceName=Headers,
-] interface FetchHeaders {
-    constructor(optional HeadersInit init);
-
-    undefined append(ByteString name, ByteString value);
-    [ImplementedAs=remove] undefined delete(ByteString name);
-    ByteString? get(ByteString name);
-    boolean has(ByteString name);
-    undefined set(ByteString name, ByteString value);
-
-    iterable<ByteString, ByteString>;
-};
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderField.cpp b/src/javascript/jsc/bindings/webcore/HTTPHeaderField.cpp
deleted file mode 100644
index a4d101bdd..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderField.cpp
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "HTTPHeaderField.h"
-
-namespace WebCore {
-
-namespace RFC7230 {
-    
-bool isTokenCharacter(UChar c)
-{
-    return isASCIIAlpha(c) || isASCIIDigit(c)
-        || c == '!' || c == '#' || c == '$'
-        || c == '%' || c == '&' || c == '\''
-        || c == '*' || c == '+' || c == '-'
-        || c == '.' || c == '^' || c == '_'
-        || c == '`' || c == '|' || c == '~';
-}
-
-bool isDelimiter(UChar c)
-{
-    return c == '(' || c == ')' || c == ','
-        || c == '/' || c == ':' || c == ';'
-        || c == '<' || c == '=' || c == '>'
-        || c == '?' || c == '@' || c == '['
-        || c == '\\' || c == ']' || c == '{'
-        || c == '}' || c == '"';
-}
-
-static bool isVisibleCharacter(UChar c)
-{
-    return isTokenCharacter(c) || isDelimiter(c);
-}
-
-bool isWhitespace(UChar c)
-{
-    return c == ' ' || c == '\t';
-}
-
-template<size_t min, size_t max>
-static bool isInRange(UChar c)
-{
-    return c >= min && c <= max;
-}
-
-static bool isOBSText(UChar c)
-{
-    return isInRange<0x80, 0xFF>(c);
-}
-
-static bool isQuotedTextCharacter(UChar c)
-{
-    return isWhitespace(c)
-        || c == 0x21
-        || isInRange<0x23, 0x5B>(c)
-        || isInRange<0x5D, 0x7E>(c)
-        || isOBSText(c);
-}
-
-bool isQuotedPairSecondOctet(UChar c)
-{
-    return isWhitespace(c)
-        || isVisibleCharacter(c)
-        || isOBSText(c);
-}
-
-bool isCommentText(UChar c)
-{
-    return isWhitespace(c)
-        || isInRange<0x21, 0x27>(c)
-        || isInRange<0x2A, 0x5B>(c)
-        || isInRange<0x5D, 0x7E>(c)
-        || isOBSText(c);
-}
-
-static bool isValidName(StringView name)
-{
-    if (!name.length())
-        return false;
-    for (size_t i = 0; i < name.length(); ++i) {
-        if (!isTokenCharacter(name[i]))
-            return false;
-    }
-    return true;
-}
-
-static bool isValidValue(StringView value)
-{
-    enum class State {
-        OptionalWhitespace,
-        Token,
-        QuotedString,
-        Comment,
-    };
-    State state = State::OptionalWhitespace;
-    size_t commentDepth = 0;
-    bool hadNonWhitespace = false;
-    
-    for (size_t i = 0; i < value.length(); ++i) {
-        UChar c = value[i];
-        switch (state) {
-        case State::OptionalWhitespace:
-            if (isWhitespace(c))
-                continue;
-            hadNonWhitespace = true;
-            if (isTokenCharacter(c)) {
-                state = State::Token;
-                continue;
-            }
-            if (c == '"') {
-                state = State::QuotedString;
-                continue;
-            }
-            if (c == '(') {
-                ASSERT(!commentDepth);
-                ++commentDepth;
-                state = State::Comment;
-                continue;
-            }
-            return false;
-            
-        case State::Token:
-            if (isTokenCharacter(c))
-                continue;
-            state = State::OptionalWhitespace;
-            continue;
-        case State::QuotedString:
-            if (c == '"') {
-                state = State::OptionalWhitespace;
-                continue;
-            }
-            if (c == '\\') {
-                ++i;
-                if (i == value.length())
-                    return false;
-                if (!isQuotedPairSecondOctet(value[i]))
-                    return false;
-                continue;
-            }
-            if (!isQuotedTextCharacter(c))
-                return false;
-            continue;
-        case State::Comment:
-            if (c == '(') {
-                ++commentDepth;
-                continue;
-            }
-            if (c == ')') {
-                --commentDepth;
-                if (!commentDepth)
-                    state = State::OptionalWhitespace;
-                continue;
-            }
-            if (c == '\\') {
-                ++i;
-                if (i == value.length())
-                    return false;
-                if (!isQuotedPairSecondOctet(value[i]))
-                    return false;
-                continue;
-            }
-            if (!isCommentText(c))
-                return false;
-            continue;
-        }
-    }
-    
-    switch (state) {
-    case State::OptionalWhitespace:
-    case State::Token:
-        return hadNonWhitespace;
-    case State::QuotedString:
-    case State::Comment:
-        // Unclosed comments or quotes are invalid values.
-        break;
-    }
-    return false;
-}
-
-} // namespace RFC7230
-
-std::optional<HTTPHeaderField> HTTPHeaderField::create(String&& unparsedName, String&& unparsedValue)
-{
-    StringView strippedName = StringView(unparsedName).stripLeadingAndTrailingMatchedCharacters(RFC7230::isWhitespace);
-    StringView strippedValue = StringView(unparsedValue).stripLeadingAndTrailingMatchedCharacters(RFC7230::isWhitespace);
-    if (!RFC7230::isValidName(strippedName) || !RFC7230::isValidValue(strippedValue))
-        return std::nullopt;
-
-    String name = strippedName.length() == unparsedName.length() ? WTFMove(unparsedName) : strippedName.toString();
-    String value = strippedValue.length() == unparsedValue.length() ? WTFMove(unparsedValue) : strippedValue.toString();
-    return {{ WTFMove(name), WTFMove(value) }};
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderField.h b/src/javascript/jsc/bindings/webcore/HTTPHeaderField.h
deleted file mode 100644
index c5fbc1b43..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderField.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-class WEBCORE_EXPORT HTTPHeaderField {
-public:
-    static std::optional<HTTPHeaderField> create(String&& name, String&& value);
-
-    const String& name() const { return m_name; }
-    const String& value() const { return m_value; }
-
-    template<class Encoder> void encode(Encoder&) const;
-    template<class Decoder> static std::optional<HTTPHeaderField> decode(Decoder&);
-
-private:
-    HTTPHeaderField(String&& name, String&& value)
-        : m_name(WTFMove(name))
-        , m_value(WTFMove(value))
-    { }
-    String m_name;
-    String m_value;
-};
-
-template<class Encoder>
-void HTTPHeaderField::encode(Encoder& encoder) const
-{
-    encoder << m_name;
-    encoder << m_value;
-}
-
-template<class Decoder>
-std::optional<HTTPHeaderField> HTTPHeaderField::decode(Decoder& decoder)
-{
-    std::optional<String> name;
-    decoder >> name;
-    if (!name)
-        return std::nullopt;
-
-    std::optional<String> value;
-    decoder >> value;
-    if (!value)
-        return std::nullopt;
-
-    return {{ WTFMove(*name), WTFMove(*value) }};
-}
-
-namespace RFC7230 {
-bool isTokenCharacter(UChar);
-bool isWhitespace(UChar);
-bool isCommentText(UChar);
-bool isQuotedPairSecondOctet(UChar);
-bool isDelimiter(UChar);
-} // namespace RFC7230
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderMap.cpp b/src/javascript/jsc/bindings/webcore/HTTPHeaderMap.cpp
deleted file mode 100644
index bd516cf6c..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderMap.cpp
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "HTTPHeaderMap.h"
-
-#include <utility>
-#include <wtf/CrossThreadCopier.h>
-#include <wtf/text/StringView.h>
-
-namespace WebCore {
-
-HTTPHeaderMap::HTTPHeaderMap()
-{
-}
-
-HTTPHeaderMap HTTPHeaderMap::isolatedCopy() const &
-{
-    HTTPHeaderMap map;
-    map.m_commonHeaders = crossThreadCopy(m_commonHeaders);
-    map.m_uncommonHeaders = crossThreadCopy(m_uncommonHeaders);
-    return map;
-}
-
-HTTPHeaderMap HTTPHeaderMap::isolatedCopy() &&
-{
-    HTTPHeaderMap map;
-    map.m_commonHeaders = crossThreadCopy(WTFMove(m_commonHeaders));
-    map.m_uncommonHeaders = crossThreadCopy(WTFMove(m_uncommonHeaders));
-    return map;
-}
-
-String HTTPHeaderMap::get(const String& name) const
-{
-    HTTPHeaderName headerName;
-    if (findHTTPHeaderName(name, headerName))
-        return get(headerName);
-
-    return getUncommonHeader(name);
-}
-
-String HTTPHeaderMap::getUncommonHeader(const String& name) const
-{
-    auto index = m_uncommonHeaders.findIf([&](auto& header) {
-        return equalIgnoringASCIICase(header.key, name);
-    });
-    return index != notFound ? m_uncommonHeaders[index].value : String();
-}
-
-#if USE(CF)
-
-void HTTPHeaderMap::set(CFStringRef name, const String& value)
-{
-    // Fast path: avoid constructing a temporary String in the common header case.
-    if (auto* nameCharacters = CFStringGetCStringPtr(name, kCFStringEncodingASCII)) {
-        unsigned length = CFStringGetLength(name);
-        HTTPHeaderName headerName;
-        if (findHTTPHeaderName(StringView(nameCharacters, length), headerName))
-            set(headerName, value);
-        else
-            setUncommonHeader(String(nameCharacters, length), value);
-
-        return;
-    }
-
-    set(String(name), value);
-}
-
-#endif // USE(CF)
-
-void HTTPHeaderMap::set(const String& name, const String& value)
-{
-    HTTPHeaderName headerName;
-    if (findHTTPHeaderName(name, headerName)) {
-        set(headerName, value);
-        return;
-    }
-
-    setUncommonHeader(name, value);
-}
-
-void HTTPHeaderMap::setUncommonHeader(const String& name, const String& value)
-{
-    auto index = m_uncommonHeaders.findIf([&](auto& header) {
-        return equalIgnoringASCIICase(header.key, name);
-    });
-    if (index == notFound)
-        m_uncommonHeaders.append(UncommonHeader { name, value });
-    else
-        m_uncommonHeaders[index].value = value;
-}
-
-void HTTPHeaderMap::add(const String& name, const String& value)
-{
-    HTTPHeaderName headerName;
-    if (findHTTPHeaderName(name, headerName)) {
-        add(headerName, value);
-        return;
-    }
-    auto index = m_uncommonHeaders.findIf([&](auto& header) {
-        return equalIgnoringASCIICase(header.key, name);
-    });
-    if (index == notFound)
-        m_uncommonHeaders.append(UncommonHeader { name, value });
-    else
-        m_uncommonHeaders[index].value = makeString(m_uncommonHeaders[index].value, ", ", value);
-}
-
-void HTTPHeaderMap::append(const String& name, const String& value)
-{
-    ASSERT(!contains(name));
-
-    HTTPHeaderName headerName;
-    if (findHTTPHeaderName(name, headerName))
-        m_commonHeaders.append(CommonHeader { headerName, value });
-    else
-        m_uncommonHeaders.append(UncommonHeader { name, value });
-}
-
-bool HTTPHeaderMap::addIfNotPresent(HTTPHeaderName headerName, const String& value)
-{
-    if (contains(headerName))
-        return false;
-
-    m_commonHeaders.append(CommonHeader { headerName, value });
-    return true;
-}
-
-bool HTTPHeaderMap::contains(const String& name) const
-{
-    HTTPHeaderName headerName;
-    if (findHTTPHeaderName(name, headerName))
-        return contains(headerName);
-
-    return m_uncommonHeaders.findIf([&](auto& header) {
-        return equalIgnoringASCIICase(header.key, name);
-    }) != notFound;
-}
-
-bool HTTPHeaderMap::remove(const String& name)
-{
-    HTTPHeaderName headerName;
-    if (findHTTPHeaderName(name, headerName))
-        return remove(headerName);
-
-    return m_uncommonHeaders.removeFirstMatching([&](auto& header) {
-        return equalIgnoringASCIICase(header.key, name);
-    });
-}
-
-String HTTPHeaderMap::get(HTTPHeaderName name) const
-{
-    auto index = m_commonHeaders.findIf([&](auto& header) {
-        return header.key == name;
-    });
-    return index != notFound ? m_commonHeaders[index].value : String();
-}
-
-void HTTPHeaderMap::set(HTTPHeaderName name, const String& value)
-{
-    auto index = m_commonHeaders.findIf([&](auto& header) {
-        return header.key == name;
-    });
-    if (index == notFound)
-        m_commonHeaders.append(CommonHeader { name, value });
-    else
-        m_commonHeaders[index].value = value;
-}
-
-bool HTTPHeaderMap::contains(HTTPHeaderName name) const
-{
-    return m_commonHeaders.findIf([&](auto& header) {
-        return header.key == name;
-    }) != notFound;
-}
-
-bool HTTPHeaderMap::remove(HTTPHeaderName name)
-{
-    return m_commonHeaders.removeFirstMatching([&](auto& header) {
-        return header.key == name;
-    });
-}
-
-void HTTPHeaderMap::add(HTTPHeaderName name, const String& value)
-{
-    auto index = m_commonHeaders.findIf([&](auto& header) {
-        return header.key == name;
-    });
-    if (index != notFound)
-        m_commonHeaders[index].value = makeString(m_commonHeaders[index].value, ", ", value);
-    else
-        m_commonHeaders.append(CommonHeader { name, value });
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderMap.h b/src/javascript/jsc/bindings/webcore/HTTPHeaderMap.h
deleted file mode 100644
index 1fe19d311..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderMap.h
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
- * Copyright (C) 2006 Apple Inc.  All rights reserved.
- * Copyright (C) 2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#pragma once
-
-#include "HTTPHeaderNames.h"
-#include <utility>
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-// FIXME: Not every header fits into a map. Notably, multiple Set-Cookie header fields are needed to set multiple cookies.
-
-class HTTPHeaderMap {
-public:
-    struct CommonHeader {
-        HTTPHeaderName key;
-        String value;
-
-        CommonHeader isolatedCopy() const & { return { key , value.isolatedCopy() }; }
-        CommonHeader isolatedCopy() && { return { key , WTFMove(value).isolatedCopy() }; }
-        template <class Encoder> void encode(Encoder&) const;
-        template <class Decoder> static std::optional<CommonHeader> decode(Decoder&);
-
-        bool operator==(const CommonHeader& other) const { return key == other.key && value == other.value; }
-    };
-
-    struct UncommonHeader {
-        String key;
-        String value;
-
-        UncommonHeader isolatedCopy() const & { return { key.isolatedCopy() , value.isolatedCopy() }; }
-        UncommonHeader isolatedCopy() && { return { WTFMove(key).isolatedCopy() , WTFMove(value).isolatedCopy() }; }
-        template <class Encoder> void encode(Encoder&) const;
-        template <class Decoder> static std::optional<UncommonHeader> decode(Decoder&);
-
-        bool operator==(const UncommonHeader& other) const { return key == other.key && value == other.value; }
-    };
-
-    typedef Vector<CommonHeader, 0, CrashOnOverflow, 6> CommonHeadersVector;
-    typedef Vector<UncommonHeader, 0, CrashOnOverflow, 0> UncommonHeadersVector;
-
-    class HTTPHeaderMapConstIterator {
-    public:
-        HTTPHeaderMapConstIterator(const HTTPHeaderMap& table, CommonHeadersVector::const_iterator commonHeadersIt, UncommonHeadersVector::const_iterator uncommonHeadersIt)
-            : m_table(table)
-            , m_commonHeadersIt(commonHeadersIt)
-            , m_uncommonHeadersIt(uncommonHeadersIt)
-        {
-            if (!updateKeyValue(m_commonHeadersIt))
-                updateKeyValue(m_uncommonHeadersIt);
-        }
-
-        struct KeyValue {
-            String key;
-            std::optional<HTTPHeaderName> keyAsHTTPHeaderName;
-            String value;
-        };
-
-        const KeyValue* get() const
-        {
-            ASSERT(*this != m_table.end());
-            return &m_keyValue;
-        }
-        const KeyValue& operator*() const { return *get(); }
-        const KeyValue* operator->() const { return get(); }
-
-        HTTPHeaderMapConstIterator& operator++()
-        {
-            if (m_commonHeadersIt != m_table.m_commonHeaders.end()) {
-                if (updateKeyValue(++m_commonHeadersIt))
-                    return *this;
-            } else
-                ++m_uncommonHeadersIt;
-
-            updateKeyValue(m_uncommonHeadersIt);
-            return *this;
-        }
-
-        bool operator!=(const HTTPHeaderMapConstIterator& other) const { return !(*this == other); }
-        bool operator==(const HTTPHeaderMapConstIterator& other) const
-        {
-            return m_commonHeadersIt == other.m_commonHeadersIt && m_uncommonHeadersIt == other.m_uncommonHeadersIt;
-        }
-
-    private:
-        bool updateKeyValue(CommonHeadersVector::const_iterator it)
-        {
-            if (it == m_table.commonHeaders().end())
-                return false;
-            m_keyValue.key = httpHeaderNameString(it->key).toStringWithoutCopying();
-            m_keyValue.keyAsHTTPHeaderName = it->key;
-            m_keyValue.value = it->value;
-            return true;
-        }
-        bool updateKeyValue(UncommonHeadersVector::const_iterator it)
-        {
-            if (it == m_table.uncommonHeaders().end())
-                return false;
-            m_keyValue.key = it->key;
-            m_keyValue.keyAsHTTPHeaderName = std::nullopt;
-            m_keyValue.value = it->value;
-            return true;
-        }
-
-        const HTTPHeaderMap& m_table;
-        CommonHeadersVector::const_iterator m_commonHeadersIt;
-        UncommonHeadersVector::const_iterator m_uncommonHeadersIt;
-        KeyValue m_keyValue;
-    };
-    typedef HTTPHeaderMapConstIterator const_iterator;
-
-    WEBCORE_EXPORT HTTPHeaderMap();
-
-    // Gets a copy of the data suitable for passing to another thread.
-    WEBCORE_EXPORT HTTPHeaderMap isolatedCopy() const &;
-    WEBCORE_EXPORT HTTPHeaderMap isolatedCopy() &&;
-
-    bool isEmpty() const { return m_commonHeaders.isEmpty() && m_uncommonHeaders.isEmpty(); }
-    int size() const { return m_commonHeaders.size() + m_uncommonHeaders.size(); }
-
-    void clear()
-    {
-        m_commonHeaders.clear();
-        m_uncommonHeaders.clear();
-    }
-
-    void shrinkToFit()
-    {
-        m_commonHeaders.shrinkToFit();
-        m_uncommonHeaders.shrinkToFit();
-    }
-
-    WEBCORE_EXPORT String get(const String& name) const;
-    WEBCORE_EXPORT void set(const String& name, const String& value);
-    WEBCORE_EXPORT void add(const String& name, const String& value);
-    WEBCORE_EXPORT void append(const String& name, const String& value);
-    WEBCORE_EXPORT bool contains(const String&) const;
-    WEBCORE_EXPORT bool remove(const String&);
-
-#if USE(CF)
-    void set(CFStringRef name, const String& value);
-#ifdef __OBJC__
-    void set(NSString *name, const String& value) { set((__bridge CFStringRef)name, value); }
-#endif
-#endif
-
-    WEBCORE_EXPORT String get(HTTPHeaderName) const;
-    void set(HTTPHeaderName, const String& value);
-    void add(HTTPHeaderName, const String& value);
-    bool addIfNotPresent(HTTPHeaderName, const String&);
-    WEBCORE_EXPORT bool contains(HTTPHeaderName) const;
-    WEBCORE_EXPORT bool remove(HTTPHeaderName);
-
-    // Instead of passing a string literal to any of these functions, just use a HTTPHeaderName instead.
-    template<size_t length> String get(const char (&)[length]) const = delete;
-    template<size_t length> void set(const char (&)[length], const String&) = delete;
-    template<size_t length> bool contains(const char (&)[length]) = delete;
-    template<size_t length> bool remove(const char (&)[length]) = delete;
-
-    const CommonHeadersVector& commonHeaders() const { return m_commonHeaders; }
-    const UncommonHeadersVector& uncommonHeaders() const { return m_uncommonHeaders; }
-    CommonHeadersVector& commonHeaders() { return m_commonHeaders; }
-    UncommonHeadersVector& uncommonHeaders() { return m_uncommonHeaders; }
-
-    const_iterator begin() const { return const_iterator(*this, m_commonHeaders.begin(), m_uncommonHeaders.begin()); }
-    const_iterator end() const { return const_iterator(*this, m_commonHeaders.end(), m_uncommonHeaders.end()); }
-
-    friend bool operator==(const HTTPHeaderMap& a, const HTTPHeaderMap& b)
-    {
-        if (a.m_commonHeaders.size() != b.m_commonHeaders.size() || a.m_uncommonHeaders.size() != b.m_uncommonHeaders.size())
-            return false;
-        for (auto& commonHeader : a.m_commonHeaders) {
-            if (b.get(commonHeader.key) != commonHeader.value)
-                return false;
-        }
-        for (auto& uncommonHeader : a.m_uncommonHeaders) {
-            if (b.getUncommonHeader(uncommonHeader.key) != uncommonHeader.value)
-                return false;
-        }
-        return true;
-    }
-
-    friend bool operator!=(const HTTPHeaderMap& a, const HTTPHeaderMap& b)
-    {
-        return !(a == b);
-    }
-
-    template <class Encoder> void encode(Encoder&) const;
-    template <class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, HTTPHeaderMap&);
-
-private:
-    void setUncommonHeader(const String& name, const String& value);
-    WEBCORE_EXPORT String getUncommonHeader(const String& name) const;
-
-    CommonHeadersVector m_commonHeaders;
-    UncommonHeadersVector m_uncommonHeaders;
-};
-
-template <class Encoder>
-void HTTPHeaderMap::CommonHeader::encode(Encoder& encoder) const
-{
-    encoder << key;
-    encoder << value;
-}
-
-template <class Decoder>
-auto HTTPHeaderMap::CommonHeader::decode(Decoder& decoder) -> std::optional<CommonHeader>
-{
-    HTTPHeaderName name;
-    if (!decoder.decode(name))
-        return std::nullopt;
-    String value;
-    if (!decoder.decode(value))
-        return std::nullopt;
-
-    return CommonHeader { name, WTFMove(value) };
-}
-
-template <class Encoder>
-void HTTPHeaderMap::UncommonHeader::encode(Encoder& encoder) const
-{
-    encoder << key;
-    encoder << value;
-}
-
-template <class Decoder>
-auto HTTPHeaderMap::UncommonHeader::decode(Decoder& decoder) -> std::optional<UncommonHeader>
-{
-    String name;
-    if (!decoder.decode(name))
-        return std::nullopt;
-    String value;
-    if (!decoder.decode(value))
-        return std::nullopt;
-
-    return UncommonHeader { WTFMove(name), WTFMove(value) };
-}
-
-template <class Encoder>
-void HTTPHeaderMap::encode(Encoder& encoder) const
-{
-    encoder << m_commonHeaders;
-    encoder << m_uncommonHeaders;
-}
-
-template <class Decoder>
-bool HTTPHeaderMap::decode(Decoder& decoder, HTTPHeaderMap& headerMap)
-{
-    if (!decoder.decode(headerMap.m_commonHeaders))
-        return false;
-
-    if (!decoder.decode(headerMap.m_uncommonHeaders))
-        return false;
-
-    return true;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.cpp b/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.cpp
deleted file mode 100644
index 2846f15e5..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.cpp
+++ /dev/null
@@ -1,718 +0,0 @@
-/* C++ code produced by gperf version 3.0.3 */
-/* Command-line: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/gperf --key-positions='*' -D -n -s 2 --output-file=HTTPHeaderNames.cpp HTTPHeaderNames.gperf  */
-
-#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
-      && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
-      && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
-      && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
-      && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
-      && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
-      && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
-      && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
-      && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
-      && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
-      && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
-      && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
-      && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
-      && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
-      && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
-      && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
-      && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
-      && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
-      && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
-      && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
-      && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
-      && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
-      && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
-/* The character set is not based on ISO-646.  */
-#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
-#endif
-
-#line 2 "HTTPHeaderNames.gperf"
-
-/*
- * Copyright (C) 2014 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/// This file is generated by create-http-header-name-table, do not edit.
-
-#include "config.h"
-#include "HTTPHeaderNames.h"
-
-#include <wtf/text/StringView.h>
-
-IGNORE_WARNINGS_BEGIN("implicit-fallthrough")
-
-// Older versions of gperf like to use the `register` keyword.
-#define register
-
-namespace WebCore {
-
-static const struct HeaderNameString {
-    const char* const name;
-    unsigned length;
-} headerNameStrings[] = {
-    { "Accept", 6 },
-    { "Accept-Charset", 14 },
-    { "Accept-Encoding", 15 },
-    { "Accept-Language", 15 },
-    { "Accept-Ranges", 13 },
-    { "Access-Control-Allow-Credentials", 32 },
-    { "Access-Control-Allow-Headers", 28 },
-    { "Access-Control-Allow-Methods", 28 },
-    { "Access-Control-Allow-Origin", 27 },
-    { "Access-Control-Expose-Headers", 29 },
-    { "Access-Control-Max-Age", 22 },
-    { "Access-Control-Request-Headers", 30 },
-    { "Access-Control-Request-Method", 29 },
-    { "Age", 3 },
-    { "Authorization", 13 },
-    { "Cache-Control", 13 },
-    { "Connection", 10 },
-    { "Content-Disposition", 19 },
-    { "Content-Encoding", 16 },
-    { "Content-Language", 16 },
-    { "Content-Length", 14 },
-    { "Content-Location", 16 },
-    { "Content-Range", 13 },
-    { "Content-Security-Policy", 23 },
-    { "Content-Security-Policy-Report-Only", 35 },
-    { "Content-Type", 12 },
-    { "Cookie", 6 },
-    { "Cookie2", 7 },
-    { "Cross-Origin-Embedder-Policy", 28 },
-    { "Cross-Origin-Embedder-Policy-Report-Only", 40 },
-    { "Cross-Origin-Opener-Policy", 26 },
-    { "Cross-Origin-Opener-Policy-Report-Only", 38 },
-    { "Cross-Origin-Resource-Policy", 28 },
-    { "DNT", 3 },
-    { "Date", 4 },
-    { "Default-Style", 13 },
-    { "ETag", 4 },
-    { "Expect", 6 },
-    { "Expires", 7 },
-    { "Host", 4 },
-    { "Icy-MetaInt", 11 },
-    { "Icy-Metadata", 12 },
-    { "If-Match", 8 },
-    { "If-Modified-Since", 17 },
-    { "If-None-Match", 13 },
-    { "If-Range", 8 },
-    { "If-Unmodified-Since", 19 },
-    { "Keep-Alive", 10 },
-    { "Last-Event-ID", 13 },
-    { "Last-Modified", 13 },
-    { "Link", 4 },
-    { "Location", 8 },
-    { "Origin", 6 },
-    { "Ping-From", 9 },
-    { "Ping-To", 7 },
-    { "Pragma", 6 },
-    { "Proxy-Authorization", 19 },
-    { "Purpose", 7 },
-    { "Range", 5 },
-    { "Referer", 7 },
-    { "Referrer-Policy", 15 },
-    { "Refresh", 7 },
-    { "Report-To", 9 },
-    { "Sec-Fetch-Dest", 14 },
-    { "Sec-Fetch-Mode", 14 },
-    { "Sec-WebSocket-Accept", 20 },
-    { "Sec-WebSocket-Extensions", 24 },
-    { "Sec-WebSocket-Key", 17 },
-    { "Sec-WebSocket-Protocol", 22 },
-    { "Sec-WebSocket-Version", 21 },
-    { "Server-Timing", 13 },
-    { "Service-Worker", 14 },
-    { "Service-Worker-Allowed", 22 },
-    { "Service-Worker-Navigation-Preload", 33 },
-    { "Set-Cookie", 10 },
-    { "Set-Cookie2", 11 },
-    { "SourceMap", 9 },
-    { "TE", 2 },
-    { "Timing-Allow-Origin", 19 },
-    { "Trailer", 7 },
-    { "Transfer-Encoding", 17 },
-    { "Upgrade", 7 },
-    { "Upgrade-Insecure-Requests", 25 },
-    { "User-Agent", 10 },
-    { "Vary", 4 },
-    { "Via", 3 },
-    { "X-Content-Type-Options", 22 },
-    { "X-DNS-Prefetch-Control", 22 },
-    { "X-Frame-Options", 15 },
-    { "X-SourceMap", 11 },
-    { "X-Temp-Tablet", 13 },
-    { "X-XSS-Protection", 16 },
-};
-
-
-#line 149 "HTTPHeaderNames.gperf"
-struct HeaderNameHashEntry {
-    const char* name;
-    HTTPHeaderName headerName;
-};
-enum
-  {
-    TOTAL_KEYWORDS = 92,
-    MIN_WORD_LENGTH = 2,
-    MAX_WORD_LENGTH = 40,
-    MIN_HASH_VALUE = 5,
-    MAX_HASH_VALUE = 815
-  };
-
-/* maximum key range = 811, duplicates = 0 */
-
-#ifndef GPERF_DOWNCASE
-#define GPERF_DOWNCASE 1
-static unsigned char gperf_downcase[256] =
-  {
-      0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,
-     15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,
-     30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,
-     45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,
-     60,  61,  62,  63,  64,  97,  98,  99, 100, 101, 102, 103, 104, 105, 106,
-    107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
-    122,  91,  92,  93,  94,  95,  96,  97,  98,  99, 100, 101, 102, 103, 104,
-    105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
-    120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134,
-    135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
-    150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164,
-    165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
-    180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194,
-    195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
-    210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224,
-    225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
-    240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254,
-    255
-  };
-#endif
-
-#ifndef GPERF_CASE_STRNCMP
-#define GPERF_CASE_STRNCMP 1
-static int
-gperf_case_strncmp (register const char *s1, register const char *s2, register unsigned int n)
-{
-  for (; n > 0;)
-    {
-      unsigned char c1 = gperf_downcase[(unsigned char)*s1++];
-      unsigned char c2 = gperf_downcase[(unsigned char)*s2++];
-      if (c1 != 0 && c1 == c2)
-        {
-          n--;
-          continue;
-        }
-      return (int)c1 - (int)c2;
-    }
-  return 0;
-}
-#endif
-
-class HTTPHeaderNamesHash
-{
-private:
-  static inline unsigned int header_name_hash_function (const char *str, unsigned int len);
-public:
-  static const struct HeaderNameHashEntry *findHeaderNameImpl (const char *str, unsigned int len);
-};
-
-inline unsigned int
-HTTPHeaderNamesHash::header_name_hash_function (register const char *str, register unsigned int len)
-{
-  static const unsigned short asso_values[] =
-    {
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816,   0, 816, 816, 816, 816,
-        5, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816,   0,  40,   0, 115,   0,
-      120,  10, 155,   5, 816,   4,  45, 155,   5,   0,
-       30,   0,   5,  60,   5,   5, 135,  55,  50,  15,
-       60, 816, 816, 816, 816, 816, 816,   0,  40,   0,
-      115,   0, 120,  10, 155,   5, 816,   4,  45, 155,
-        5,   0,  30,   0,   5,  60,   5,   5, 135,  55,
-       50,  15,  60, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816, 816, 816, 816, 816,
-      816, 816, 816, 816, 816, 816
-    };
-  register unsigned int hval = 0;
-
-  switch (len)
-    {
-      default:
-        hval += asso_values[(unsigned char)str[39]];
-      /*FALLTHROUGH*/
-      case 39:
-        hval += asso_values[(unsigned char)str[38]];
-      /*FALLTHROUGH*/
-      case 38:
-        hval += asso_values[(unsigned char)str[37]];
-      /*FALLTHROUGH*/
-      case 37:
-        hval += asso_values[(unsigned char)str[36]];
-      /*FALLTHROUGH*/
-      case 36:
-        hval += asso_values[(unsigned char)str[35]];
-      /*FALLTHROUGH*/
-      case 35:
-        hval += asso_values[(unsigned char)str[34]];
-      /*FALLTHROUGH*/
-      case 34:
-        hval += asso_values[(unsigned char)str[33]];
-      /*FALLTHROUGH*/
-      case 33:
-        hval += asso_values[(unsigned char)str[32]];
-      /*FALLTHROUGH*/
-      case 32:
-        hval += asso_values[(unsigned char)str[31]];
-      /*FALLTHROUGH*/
-      case 31:
-        hval += asso_values[(unsigned char)str[30]];
-      /*FALLTHROUGH*/
-      case 30:
-        hval += asso_values[(unsigned char)str[29]];
-      /*FALLTHROUGH*/
-      case 29:
-        hval += asso_values[(unsigned char)str[28]];
-      /*FALLTHROUGH*/
-      case 28:
-        hval += asso_values[(unsigned char)str[27]];
-      /*FALLTHROUGH*/
-      case 27:
-        hval += asso_values[(unsigned char)str[26]];
-      /*FALLTHROUGH*/
-      case 26:
-        hval += asso_values[(unsigned char)str[25]];
-      /*FALLTHROUGH*/
-      case 25:
-        hval += asso_values[(unsigned char)str[24]];
-      /*FALLTHROUGH*/
-      case 24:
-        hval += asso_values[(unsigned char)str[23]];
-      /*FALLTHROUGH*/
-      case 23:
-        hval += asso_values[(unsigned char)str[22]];
-      /*FALLTHROUGH*/
-      case 22:
-        hval += asso_values[(unsigned char)str[21]];
-      /*FALLTHROUGH*/
-      case 21:
-        hval += asso_values[(unsigned char)str[20]];
-      /*FALLTHROUGH*/
-      case 20:
-        hval += asso_values[(unsigned char)str[19]];
-      /*FALLTHROUGH*/
-      case 19:
-        hval += asso_values[(unsigned char)str[18]];
-      /*FALLTHROUGH*/
-      case 18:
-        hval += asso_values[(unsigned char)str[17]];
-      /*FALLTHROUGH*/
-      case 17:
-        hval += asso_values[(unsigned char)str[16]];
-      /*FALLTHROUGH*/
-      case 16:
-        hval += asso_values[(unsigned char)str[15]];
-      /*FALLTHROUGH*/
-      case 15:
-        hval += asso_values[(unsigned char)str[14]];
-      /*FALLTHROUGH*/
-      case 14:
-        hval += asso_values[(unsigned char)str[13]];
-      /*FALLTHROUGH*/
-      case 13:
-        hval += asso_values[(unsigned char)str[12]];
-      /*FALLTHROUGH*/
-      case 12:
-        hval += asso_values[(unsigned char)str[11]];
-      /*FALLTHROUGH*/
-      case 11:
-        hval += asso_values[(unsigned char)str[10]];
-      /*FALLTHROUGH*/
-      case 10:
-        hval += asso_values[(unsigned char)str[9]];
-      /*FALLTHROUGH*/
-      case 9:
-        hval += asso_values[(unsigned char)str[8]];
-      /*FALLTHROUGH*/
-      case 8:
-        hval += asso_values[(unsigned char)str[7]];
-      /*FALLTHROUGH*/
-      case 7:
-        hval += asso_values[(unsigned char)str[6]];
-      /*FALLTHROUGH*/
-      case 6:
-        hval += asso_values[(unsigned char)str[5]];
-      /*FALLTHROUGH*/
-      case 5:
-        hval += asso_values[(unsigned char)str[4]];
-      /*FALLTHROUGH*/
-      case 4:
-        hval += asso_values[(unsigned char)str[3]];
-      /*FALLTHROUGH*/
-      case 3:
-        hval += asso_values[(unsigned char)str[2]];
-      /*FALLTHROUGH*/
-      case 2:
-        hval += asso_values[(unsigned char)str[1]];
-      /*FALLTHROUGH*/
-      case 1:
-        hval += asso_values[(unsigned char)str[0]];
-        break;
-    }
-  return hval;
-}
-
-static const struct HeaderNameHashEntry header_name_wordlist[] =
-  {
-#line 236 "HTTPHeaderNames.gperf"
-    {"TE", HTTPHeaderName::TE},
-#line 185 "HTTPHeaderNames.gperf"
-    {"Cookie", HTTPHeaderName::Cookie},
-#line 172 "HTTPHeaderNames.gperf"
-    {"Age", HTTPHeaderName::Age},
-#line 186 "HTTPHeaderNames.gperf"
-    {"Cookie2", HTTPHeaderName::Cookie2},
-#line 195 "HTTPHeaderNames.gperf"
-    {"ETag", HTTPHeaderName::ETag},
-#line 217 "HTTPHeaderNames.gperf"
-    {"Range", HTTPHeaderName::Range},
-#line 175 "HTTPHeaderNames.gperf"
-    {"Connection", HTTPHeaderName::Connection},
-#line 211 "HTTPHeaderNames.gperf"
-    {"Origin", HTTPHeaderName::Origin},
-#line 159 "HTTPHeaderNames.gperf"
-    {"Accept", HTTPHeaderName::Accept},
-#line 181 "HTTPHeaderNames.gperf"
-    {"Content-Range", HTTPHeaderName::ContentRange},
-#line 221 "HTTPHeaderNames.gperf"
-    {"Report-To", HTTPHeaderName::ReportTo},
-#line 213 "HTTPHeaderNames.gperf"
-    {"Ping-To", HTTPHeaderName::PingTo},
-#line 209 "HTTPHeaderNames.gperf"
-    {"Link", HTTPHeaderName::Link},
-#line 210 "HTTPHeaderNames.gperf"
-    {"Location", HTTPHeaderName::Location},
-#line 238 "HTTPHeaderNames.gperf"
-    {"Trailer", HTTPHeaderName::Trailer},
-#line 184 "HTTPHeaderNames.gperf"
-    {"Content-Type", HTTPHeaderName::ContentType},
-#line 233 "HTTPHeaderNames.gperf"
-    {"Set-Cookie", HTTPHeaderName::SetCookie},
-#line 234 "HTTPHeaderNames.gperf"
-    {"Set-Cookie2", HTTPHeaderName::SetCookie2},
-#line 180 "HTTPHeaderNames.gperf"
-    {"Content-Location", HTTPHeaderName::ContentLocation},
-#line 196 "HTTPHeaderNames.gperf"
-    {"Expect", HTTPHeaderName::Expect},
-#line 242 "HTTPHeaderNames.gperf"
-    {"User-Agent", HTTPHeaderName::UserAgent},
-#line 178 "HTTPHeaderNames.gperf"
-    {"Content-Language", HTTPHeaderName::ContentLanguage},
-#line 162 "HTTPHeaderNames.gperf"
-    {"Accept-Language", HTTPHeaderName::AcceptLanguage},
-#line 163 "HTTPHeaderNames.gperf"
-    {"Accept-Ranges", HTTPHeaderName::AcceptRanges},
-#line 193 "HTTPHeaderNames.gperf"
-    {"Date", HTTPHeaderName::Date},
-#line 192 "HTTPHeaderNames.gperf"
-    {"DNT", HTTPHeaderName::DNT},
-#line 216 "HTTPHeaderNames.gperf"
-    {"Purpose", HTTPHeaderName::Purpose},
-#line 218 "HTTPHeaderNames.gperf"
-    {"Referer", HTTPHeaderName::Referer},
-#line 244 "HTTPHeaderNames.gperf"
-    {"Via", HTTPHeaderName::Via},
-#line 204 "HTTPHeaderNames.gperf"
-    {"If-Range", HTTPHeaderName::IfRange},
-#line 197 "HTTPHeaderNames.gperf"
-    {"Expires", HTTPHeaderName::Expires},
-#line 243 "HTTPHeaderNames.gperf"
-    {"Vary", HTTPHeaderName::Vary},
-#line 177 "HTTPHeaderNames.gperf"
-    {"Content-Encoding", HTTPHeaderName::ContentEncoding},
-#line 240 "HTTPHeaderNames.gperf"
-    {"Upgrade", HTTPHeaderName::Upgrade},
-#line 161 "HTTPHeaderNames.gperf"
-    {"Accept-Encoding", HTTPHeaderName::AcceptEncoding},
-#line 199 "HTTPHeaderNames.gperf"
-    {"Icy-MetaInt", HTTPHeaderName::IcyMetaInt},
-#line 214 "HTTPHeaderNames.gperf"
-    {"Pragma", HTTPHeaderName::Pragma},
-#line 182 "HTTPHeaderNames.gperf"
-    {"Content-Security-Policy", HTTPHeaderName::ContentSecurityPolicy},
-#line 174 "HTTPHeaderNames.gperf"
-    {"Cache-Control", HTTPHeaderName::CacheControl},
-#line 206 "HTTPHeaderNames.gperf"
-    {"Keep-Alive", HTTPHeaderName::KeepAlive},
-#line 198 "HTTPHeaderNames.gperf"
-    {"Host", HTTPHeaderName::Host},
-#line 245 "HTTPHeaderNames.gperf"
-    {"X-Content-Type-Options", HTTPHeaderName::XContentTypeOptions},
-#line 219 "HTTPHeaderNames.gperf"
-    {"Referrer-Policy", HTTPHeaderName::ReferrerPolicy},
-#line 179 "HTTPHeaderNames.gperf"
-    {"Content-Length", HTTPHeaderName::ContentLength},
-#line 226 "HTTPHeaderNames.gperf"
-    {"Sec-WebSocket-Key", HTTPHeaderName::SecWebSocketKey},
-#line 173 "HTTPHeaderNames.gperf"
-    {"Authorization", HTTPHeaderName::Authorization},
-#line 235 "HTTPHeaderNames.gperf"
-    {"SourceMap", HTTPHeaderName::SourceMap},
-#line 224 "HTTPHeaderNames.gperf"
-    {"Sec-WebSocket-Accept", HTTPHeaderName::SecWebSocketAccept},
-#line 160 "HTTPHeaderNames.gperf"
-    {"Accept-Charset", HTTPHeaderName::AcceptCharset},
-#line 230 "HTTPHeaderNames.gperf"
-    {"Service-Worker", HTTPHeaderName::ServiceWorker},
-#line 250 "HTTPHeaderNames.gperf"
-    {"X-XSS-Protection", HTTPHeaderName::XXSSProtection},
-#line 189 "HTTPHeaderNames.gperf"
-    {"Cross-Origin-Opener-Policy", HTTPHeaderName::CrossOriginOpenerPolicy},
-#line 200 "HTTPHeaderNames.gperf"
-    {"Icy-Metadata", HTTPHeaderName::IcyMetadata},
-#line 248 "HTTPHeaderNames.gperf"
-    {"X-SourceMap", HTTPHeaderName::XSourceMap},
-#line 227 "HTTPHeaderNames.gperf"
-    {"Sec-WebSocket-Protocol", HTTPHeaderName::SecWebSocketProtocol},
-#line 176 "HTTPHeaderNames.gperf"
-    {"Content-Disposition", HTTPHeaderName::ContentDisposition},
-#line 183 "HTTPHeaderNames.gperf"
-    {"Content-Security-Policy-Report-Only", HTTPHeaderName::ContentSecurityPolicyReportOnly},
-#line 191 "HTTPHeaderNames.gperf"
-    {"Cross-Origin-Resource-Policy", HTTPHeaderName::CrossOriginResourcePolicy},
-#line 212 "HTTPHeaderNames.gperf"
-    {"Ping-From", HTTPHeaderName::PingFrom},
-#line 249 "HTTPHeaderNames.gperf"
-    {"X-Temp-Tablet", HTTPHeaderName::XTempTablet},
-#line 239 "HTTPHeaderNames.gperf"
-    {"Transfer-Encoding", HTTPHeaderName::TransferEncoding},
-#line 220 "HTTPHeaderNames.gperf"
-    {"Refresh", HTTPHeaderName::Refresh},
-#line 215 "HTTPHeaderNames.gperf"
-    {"Proxy-Authorization", HTTPHeaderName::ProxyAuthorization},
-#line 167 "HTTPHeaderNames.gperf"
-    {"Access-Control-Allow-Origin", HTTPHeaderName::AccessControlAllowOrigin},
-#line 237 "HTTPHeaderNames.gperf"
-    {"Timing-Allow-Origin", HTTPHeaderName::TimingAllowOrigin},
-#line 207 "HTTPHeaderNames.gperf"
-    {"Last-Event-ID", HTTPHeaderName::LastEventID},
-#line 241 "HTTPHeaderNames.gperf"
-    {"Upgrade-Insecure-Requests", HTTPHeaderName::UpgradeInsecureRequests},
-#line 229 "HTTPHeaderNames.gperf"
-    {"Server-Timing", HTTPHeaderName::ServerTiming},
-#line 169 "HTTPHeaderNames.gperf"
-    {"Access-Control-Max-Age", HTTPHeaderName::AccessControlMaxAge},
-#line 190 "HTTPHeaderNames.gperf"
-    {"Cross-Origin-Opener-Policy-Report-Only", HTTPHeaderName::CrossOriginOpenerPolicyReportOnly},
-#line 225 "HTTPHeaderNames.gperf"
-    {"Sec-WebSocket-Extensions", HTTPHeaderName::SecWebSocketExtensions},
-#line 194 "HTTPHeaderNames.gperf"
-    {"Default-Style", HTTPHeaderName::DefaultStyle},
-#line 228 "HTTPHeaderNames.gperf"
-    {"Sec-WebSocket-Version", HTTPHeaderName::SecWebSocketVersion},
-#line 247 "HTTPHeaderNames.gperf"
-    {"X-Frame-Options", HTTPHeaderName::XFrameOptions},
-#line 201 "HTTPHeaderNames.gperf"
-    {"If-Match", HTTPHeaderName::IfMatch},
-#line 203 "HTTPHeaderNames.gperf"
-    {"If-None-Match", HTTPHeaderName::IfNoneMatch},
-#line 222 "HTTPHeaderNames.gperf"
-    {"Sec-Fetch-Dest", HTTPHeaderName::SecFetchDest},
-#line 231 "HTTPHeaderNames.gperf"
-    {"Service-Worker-Allowed", HTTPHeaderName::ServiceWorkerAllowed},
-#line 164 "HTTPHeaderNames.gperf"
-    {"Access-Control-Allow-Credentials", HTTPHeaderName::AccessControlAllowCredentials},
-#line 170 "HTTPHeaderNames.gperf"
-    {"Access-Control-Request-Headers", HTTPHeaderName::AccessControlRequestHeaders},
-#line 246 "HTTPHeaderNames.gperf"
-    {"X-DNS-Prefetch-Control", HTTPHeaderName::XDNSPrefetchControl},
-#line 223 "HTTPHeaderNames.gperf"
-    {"Sec-Fetch-Mode", HTTPHeaderName::SecFetchMode},
-#line 208 "HTTPHeaderNames.gperf"
-    {"Last-Modified", HTTPHeaderName::LastModified},
-#line 232 "HTTPHeaderNames.gperf"
-    {"Service-Worker-Navigation-Preload", HTTPHeaderName::ServiceWorkerNavigationPreload},
-#line 168 "HTTPHeaderNames.gperf"
-    {"Access-Control-Expose-Headers", HTTPHeaderName::AccessControlExposeHeaders},
-#line 165 "HTTPHeaderNames.gperf"
-    {"Access-Control-Allow-Headers", HTTPHeaderName::AccessControlAllowHeaders},
-#line 187 "HTTPHeaderNames.gperf"
-    {"Cross-Origin-Embedder-Policy", HTTPHeaderName::CrossOriginEmbedderPolicy},
-#line 171 "HTTPHeaderNames.gperf"
-    {"Access-Control-Request-Method", HTTPHeaderName::AccessControlRequestMethod},
-#line 202 "HTTPHeaderNames.gperf"
-    {"If-Modified-Since", HTTPHeaderName::IfModifiedSince},
-#line 205 "HTTPHeaderNames.gperf"
-    {"If-Unmodified-Since", HTTPHeaderName::IfUnmodifiedSince},
-#line 188 "HTTPHeaderNames.gperf"
-    {"Cross-Origin-Embedder-Policy-Report-Only", HTTPHeaderName::CrossOriginEmbedderPolicyReportOnly},
-#line 166 "HTTPHeaderNames.gperf"
-    {"Access-Control-Allow-Methods", HTTPHeaderName::AccessControlAllowMethods}
-  };
-
-static const signed char lookup[] =
-  {
-    -1, -1, -1, -1, -1,  0, -1, -1, -1,  1,  2, -1, -1, -1,
-     3,  4, -1, -1, -1, -1,  5, -1, -1, -1, -1,  6, -1, -1,
-    -1, -1,  7, -1, -1, -1, -1,  8, -1, -1, -1, -1,  9, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, 10, -1, -1, -1, -1, 11,
-    -1, -1, -1, 12, 13, -1, -1, -1, -1, 14, -1, -1, -1, -1,
-    15, -1, -1, -1, 16, -1, -1, -1, -1, 17, 18, -1, -1, -1,
-    -1, 19, -1, -1, -1, -1, 20, -1, -1, -1, -1, 21, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 22, -1,
-    -1, -1, -1, 23, -1, -1, -1, -1, 24, -1, -1, -1, -1, 25,
-    -1, -1, -1, -1, 26, -1, -1, -1, -1, 27, -1, -1, -1, -1,
-    28, -1, -1, -1, -1, 29, -1, -1, -1, -1, 30, -1, -1, -1,
-    -1, 31, -1, -1, -1, -1, 32, -1, -1, -1, -1, 33, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, 34, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 35,
-    -1, -1, -1, -1, 36, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    37, -1, -1, -1, -1, 38, -1, -1, -1, 39, 40, -1, -1, -1,
-    -1, 41, -1, -1, -1, -1, -1, -1, -1, -1, -1, 42, -1, -1,
-    -1, -1, 43, -1, -1, 44, -1, -1, -1, -1, -1, -1, 45, -1,
-    -1, -1, -1, 46, -1, -1, -1, 47, 48, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, 49, 50, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 51, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, 52, -1, -1, -1, -1, 53, -1, -1,
-    -1, 54, 55, -1, -1, -1, -1, -1, -1, -1, -1, -1, 56, -1,
-    -1, -1, -1, 57, -1, -1, -1, -1, 58, -1, -1, -1, -1, 59,
-    -1, -1, -1, -1, 60, -1, -1, -1, -1, 61, -1, -1, -1, -1,
-    62, -1, -1, -1, -1, 63, -1, -1, -1, -1, 64, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 65, -1, -1,
-    -1, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, 67, -1,
-    -1, -1, -1, 68, -1, -1, -1, -1, 69, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, 70, 71, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    72, 73, -1, -1, -1, -1, 74, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, 75, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, 76, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, 77, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, 78, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, 79, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, 80, -1, -1, -1, -1, 81, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, 82, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, 83, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 84, -1, -1,
-    -1, -1, 85, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, 86, -1, -1, -1, -1, 87,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 88, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, 89, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, 90, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-    -1, -1, -1, 91
-  };
-
-const struct HeaderNameHashEntry *
-HTTPHeaderNamesHash::findHeaderNameImpl (register const char *str, register unsigned int len)
-{
-  if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
-    {
-      unsigned int key = header_name_hash_function (str, len);
-
-      if (key <= MAX_HASH_VALUE)
-        {
-          register int index = lookup[key];
-
-          if (index >= 0)
-            {
-              register const char *s = header_name_wordlist[index].name;
-
-              if ((((unsigned char)*str ^ (unsigned char)*s) & ~32) == 0 && !gperf_case_strncmp (str, s, len) && s[len] == '\0')
-                return &header_name_wordlist[index];
-            }
-        }
-    }
-  return 0;
-}
-#line 251 "HTTPHeaderNames.gperf"
-
-bool findHTTPHeaderName(StringView stringView, HTTPHeaderName& headerName)
-{
-    unsigned length = stringView.length();
-    if (length > maxHTTPHeaderNameLength || length < minHTTPHeaderNameLength)
-        return false;
-
-    if (stringView.is8Bit()) {
-        if (auto nameAndString = HTTPHeaderNamesHash::findHeaderNameImpl(reinterpret_cast<const char*>(stringView.characters8()), length)) {
-            headerName = nameAndString->headerName;
-            return true;
-        }
-    } else {
-        LChar characters[maxHTTPHeaderNameLength];
-        for (unsigned i = 0; i < length; ++i) {
-            UChar character = stringView.characters16()[i];
-            if (!isASCII(character))
-                return false;
-                
-            characters[i] = static_cast<LChar>(character);
-        }
-        
-        if (auto nameAndString = HTTPHeaderNamesHash::findHeaderNameImpl(reinterpret_cast<const char*>(characters), length)) {
-            headerName = nameAndString->headerName;
-            return true;
-        }
-    }
-
-    return false;
-}
-
-StringView httpHeaderNameString(HTTPHeaderName headerName)
-{
-    ASSERT(static_cast<unsigned>(headerName) < numHTTPHeaderNames);
-    
-    const auto& name = headerNameStrings[static_cast<unsigned>(headerName)];
-    
-    return StringView { reinterpret_cast<const LChar*>(name.name), static_cast<unsigned>(name.length) };
-}
-
-} // namespace WebCore
-
-#if defined(__clang__)
-IGNORE_WARNINGS_END
-#endif
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.gperf b/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.gperf
deleted file mode 100644
index 66a4b24e8..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.gperf
+++ /dev/null
@@ -1,295 +0,0 @@
-
-%{
-/*
- * Copyright (C) 2014 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/// This file is generated by create-http-header-name-table, do not edit.
-
-#include "config.h"
-#include "HTTPHeaderNames.h"
-
-#include <wtf/text/StringView.h>
-
-IGNORE_WARNINGS_BEGIN("implicit-fallthrough")
-
-// Older versions of gperf like to use the `register` keyword.
-#define register
-
-namespace WebCore {
-
-static const struct HeaderNameString {
-    const char* const name;
-    unsigned length;
-} headerNameStrings[] = {
-    { "Accept", 6 },
-    { "Accept-Charset", 14 },
-    { "Accept-Encoding", 15 },
-    { "Accept-Language", 15 },
-    { "Accept-Ranges", 13 },
-    { "Access-Control-Allow-Credentials", 32 },
-    { "Access-Control-Allow-Headers", 28 },
-    { "Access-Control-Allow-Methods", 28 },
-    { "Access-Control-Allow-Origin", 27 },
-    { "Access-Control-Expose-Headers", 29 },
-    { "Access-Control-Max-Age", 22 },
-    { "Access-Control-Request-Headers", 30 },
-    { "Access-Control-Request-Method", 29 },
-    { "Age", 3 },
-    { "Authorization", 13 },
-    { "Cache-Control", 13 },
-    { "Connection", 10 },
-    { "Content-Disposition", 19 },
-    { "Content-Encoding", 16 },
-    { "Content-Language", 16 },
-    { "Content-Length", 14 },
-    { "Content-Location", 16 },
-    { "Content-Range", 13 },
-    { "Content-Security-Policy", 23 },
-    { "Content-Security-Policy-Report-Only", 35 },
-    { "Content-Type", 12 },
-    { "Cookie", 6 },
-    { "Cookie2", 7 },
-    { "Cross-Origin-Embedder-Policy", 28 },
-    { "Cross-Origin-Embedder-Policy-Report-Only", 40 },
-    { "Cross-Origin-Opener-Policy", 26 },
-    { "Cross-Origin-Opener-Policy-Report-Only", 38 },
-    { "Cross-Origin-Resource-Policy", 28 },
-    { "DNT", 3 },
-    { "Date", 4 },
-    { "Default-Style", 13 },
-    { "ETag", 4 },
-    { "Expect", 6 },
-    { "Expires", 7 },
-    { "Host", 4 },
-    { "Icy-MetaInt", 11 },
-    { "Icy-Metadata", 12 },
-    { "If-Match", 8 },
-    { "If-Modified-Since", 17 },
-    { "If-None-Match", 13 },
-    { "If-Range", 8 },
-    { "If-Unmodified-Since", 19 },
-    { "Keep-Alive", 10 },
-    { "Last-Event-ID", 13 },
-    { "Last-Modified", 13 },
-    { "Link", 4 },
-    { "Location", 8 },
-    { "Origin", 6 },
-    { "Ping-From", 9 },
-    { "Ping-To", 7 },
-    { "Pragma", 6 },
-    { "Proxy-Authorization", 19 },
-    { "Purpose", 7 },
-    { "Range", 5 },
-    { "Referer", 7 },
-    { "Referrer-Policy", 15 },
-    { "Refresh", 7 },
-    { "Report-To", 9 },
-    { "Sec-Fetch-Dest", 14 },
-    { "Sec-Fetch-Mode", 14 },
-    { "Sec-WebSocket-Accept", 20 },
-    { "Sec-WebSocket-Extensions", 24 },
-    { "Sec-WebSocket-Key", 17 },
-    { "Sec-WebSocket-Protocol", 22 },
-    { "Sec-WebSocket-Version", 21 },
-    { "Server-Timing", 13 },
-    { "Service-Worker", 14 },
-    { "Service-Worker-Allowed", 22 },
-    { "Service-Worker-Navigation-Preload", 33 },
-    { "Set-Cookie", 10 },
-    { "Set-Cookie2", 11 },
-    { "SourceMap", 9 },
-    { "TE", 2 },
-    { "Timing-Allow-Origin", 19 },
-    { "Trailer", 7 },
-    { "Transfer-Encoding", 17 },
-    { "Upgrade", 7 },
-    { "Upgrade-Insecure-Requests", 25 },
-    { "User-Agent", 10 },
-    { "Vary", 4 },
-    { "Via", 3 },
-    { "X-Content-Type-Options", 22 },
-    { "X-DNS-Prefetch-Control", 22 },
-    { "X-Frame-Options", 15 },
-    { "X-SourceMap", 11 },
-    { "X-Temp-Tablet", 13 },
-    { "X-XSS-Protection", 16 },
-};
-
-
-%}
-
-%language=C++
-%readonly-tables
-%global-table
-%compare-strncmp
-%ignore-case
-%struct-type
-struct HeaderNameHashEntry {
-    const char* name;
-    HTTPHeaderName headerName;
-};
-%define class-name HTTPHeaderNamesHash
-%define lookup-function-name findHeaderNameImpl
-%define hash-function-name header_name_hash_function
-%define word-array-name header_name_wordlist
-%enum
-%%
-Accept, HTTPHeaderName::Accept
-Accept-Charset, HTTPHeaderName::AcceptCharset
-Accept-Encoding, HTTPHeaderName::AcceptEncoding
-Accept-Language, HTTPHeaderName::AcceptLanguage
-Accept-Ranges, HTTPHeaderName::AcceptRanges
-Access-Control-Allow-Credentials, HTTPHeaderName::AccessControlAllowCredentials
-Access-Control-Allow-Headers, HTTPHeaderName::AccessControlAllowHeaders
-Access-Control-Allow-Methods, HTTPHeaderName::AccessControlAllowMethods
-Access-Control-Allow-Origin, HTTPHeaderName::AccessControlAllowOrigin
-Access-Control-Expose-Headers, HTTPHeaderName::AccessControlExposeHeaders
-Access-Control-Max-Age, HTTPHeaderName::AccessControlMaxAge
-Access-Control-Request-Headers, HTTPHeaderName::AccessControlRequestHeaders
-Access-Control-Request-Method, HTTPHeaderName::AccessControlRequestMethod
-Age, HTTPHeaderName::Age
-Authorization, HTTPHeaderName::Authorization
-Cache-Control, HTTPHeaderName::CacheControl
-Connection, HTTPHeaderName::Connection
-Content-Disposition, HTTPHeaderName::ContentDisposition
-Content-Encoding, HTTPHeaderName::ContentEncoding
-Content-Language, HTTPHeaderName::ContentLanguage
-Content-Length, HTTPHeaderName::ContentLength
-Content-Location, HTTPHeaderName::ContentLocation
-Content-Range, HTTPHeaderName::ContentRange
-Content-Security-Policy, HTTPHeaderName::ContentSecurityPolicy
-Content-Security-Policy-Report-Only, HTTPHeaderName::ContentSecurityPolicyReportOnly
-Content-Type, HTTPHeaderName::ContentType
-Cookie, HTTPHeaderName::Cookie
-Cookie2, HTTPHeaderName::Cookie2
-Cross-Origin-Embedder-Policy, HTTPHeaderName::CrossOriginEmbedderPolicy
-Cross-Origin-Embedder-Policy-Report-Only, HTTPHeaderName::CrossOriginEmbedderPolicyReportOnly
-Cross-Origin-Opener-Policy, HTTPHeaderName::CrossOriginOpenerPolicy
-Cross-Origin-Opener-Policy-Report-Only, HTTPHeaderName::CrossOriginOpenerPolicyReportOnly
-Cross-Origin-Resource-Policy, HTTPHeaderName::CrossOriginResourcePolicy
-DNT, HTTPHeaderName::DNT
-Date, HTTPHeaderName::Date
-Default-Style, HTTPHeaderName::DefaultStyle
-ETag, HTTPHeaderName::ETag
-Expect, HTTPHeaderName::Expect
-Expires, HTTPHeaderName::Expires
-Host, HTTPHeaderName::Host
-Icy-MetaInt, HTTPHeaderName::IcyMetaInt
-Icy-Metadata, HTTPHeaderName::IcyMetadata
-If-Match, HTTPHeaderName::IfMatch
-If-Modified-Since, HTTPHeaderName::IfModifiedSince
-If-None-Match, HTTPHeaderName::IfNoneMatch
-If-Range, HTTPHeaderName::IfRange
-If-Unmodified-Since, HTTPHeaderName::IfUnmodifiedSince
-Keep-Alive, HTTPHeaderName::KeepAlive
-Last-Event-ID, HTTPHeaderName::LastEventID
-Last-Modified, HTTPHeaderName::LastModified
-Link, HTTPHeaderName::Link
-Location, HTTPHeaderName::Location
-Origin, HTTPHeaderName::Origin
-Ping-From, HTTPHeaderName::PingFrom
-Ping-To, HTTPHeaderName::PingTo
-Pragma, HTTPHeaderName::Pragma
-Proxy-Authorization, HTTPHeaderName::ProxyAuthorization
-Purpose, HTTPHeaderName::Purpose
-Range, HTTPHeaderName::Range
-Referer, HTTPHeaderName::Referer
-Referrer-Policy, HTTPHeaderName::ReferrerPolicy
-Refresh, HTTPHeaderName::Refresh
-Report-To, HTTPHeaderName::ReportTo
-Sec-Fetch-Dest, HTTPHeaderName::SecFetchDest
-Sec-Fetch-Mode, HTTPHeaderName::SecFetchMode
-Sec-WebSocket-Accept, HTTPHeaderName::SecWebSocketAccept
-Sec-WebSocket-Extensions, HTTPHeaderName::SecWebSocketExtensions
-Sec-WebSocket-Key, HTTPHeaderName::SecWebSocketKey
-Sec-WebSocket-Protocol, HTTPHeaderName::SecWebSocketProtocol
-Sec-WebSocket-Version, HTTPHeaderName::SecWebSocketVersion
-Server-Timing, HTTPHeaderName::ServerTiming
-Service-Worker, HTTPHeaderName::ServiceWorker
-Service-Worker-Allowed, HTTPHeaderName::ServiceWorkerAllowed
-Service-Worker-Navigation-Preload, HTTPHeaderName::ServiceWorkerNavigationPreload
-Set-Cookie, HTTPHeaderName::SetCookie
-Set-Cookie2, HTTPHeaderName::SetCookie2
-SourceMap, HTTPHeaderName::SourceMap
-TE, HTTPHeaderName::TE
-Timing-Allow-Origin, HTTPHeaderName::TimingAllowOrigin
-Trailer, HTTPHeaderName::Trailer
-Transfer-Encoding, HTTPHeaderName::TransferEncoding
-Upgrade, HTTPHeaderName::Upgrade
-Upgrade-Insecure-Requests, HTTPHeaderName::UpgradeInsecureRequests
-User-Agent, HTTPHeaderName::UserAgent
-Vary, HTTPHeaderName::Vary
-Via, HTTPHeaderName::Via
-X-Content-Type-Options, HTTPHeaderName::XContentTypeOptions
-X-DNS-Prefetch-Control, HTTPHeaderName::XDNSPrefetchControl
-X-Frame-Options, HTTPHeaderName::XFrameOptions
-X-SourceMap, HTTPHeaderName::XSourceMap
-X-Temp-Tablet, HTTPHeaderName::XTempTablet
-X-XSS-Protection, HTTPHeaderName::XXSSProtection
-%%
-bool findHTTPHeaderName(StringView stringView, HTTPHeaderName& headerName)
-{
-    unsigned length = stringView.length();
-    if (length > maxHTTPHeaderNameLength || length < minHTTPHeaderNameLength)
-        return false;
-
-    if (stringView.is8Bit()) {
-        if (auto nameAndString = HTTPHeaderNamesHash::findHeaderNameImpl(reinterpret_cast<const char*>(stringView.characters8()), length)) {
-            headerName = nameAndString->headerName;
-            return true;
-        }
-    } else {
-        LChar characters[maxHTTPHeaderNameLength];
-        for (unsigned i = 0; i < length; ++i) {
-            UChar character = stringView.characters16()[i];
-            if (!isASCII(character))
-                return false;
-                
-            characters[i] = static_cast<LChar>(character);
-        }
-        
-        if (auto nameAndString = HTTPHeaderNamesHash::findHeaderNameImpl(reinterpret_cast<const char*>(characters), length)) {
-            headerName = nameAndString->headerName;
-            return true;
-        }
-    }
-
-    return false;
-}
-
-StringView httpHeaderNameString(HTTPHeaderName headerName)
-{
-    ASSERT(static_cast<unsigned>(headerName) < numHTTPHeaderNames);
-    
-    const auto& name = headerNameStrings[static_cast<unsigned>(headerName)];
-    
-    return StringView { reinterpret_cast<const LChar*>(name.name), static_cast<unsigned>(name.length) };
-}
-
-} // namespace WebCore
-
-#if defined(__clang__)
-IGNORE_WARNINGS_END
-#endif
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.h b/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.h
deleted file mode 100644
index 066d40e90..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.h
+++ /dev/null
@@ -1,242 +0,0 @@
-
-/*
- * Copyright (C) 2014 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/// This file is generated by create-http-header-name-table, do not edit.
-
-#ifndef HTTPHeaderNames_h
-#define HTTPHeaderNames_h
-
-#include <wtf/Forward.h>
-
-namespace WebCore {
-
-enum class HTTPHeaderName {
-    Accept,
-    AcceptCharset,
-    AcceptEncoding,
-    AcceptLanguage,
-    AcceptRanges,
-    AccessControlAllowCredentials,
-    AccessControlAllowHeaders,
-    AccessControlAllowMethods,
-    AccessControlAllowOrigin,
-    AccessControlExposeHeaders,
-    AccessControlMaxAge,
-    AccessControlRequestHeaders,
-    AccessControlRequestMethod,
-    Age,
-    Authorization,
-    CacheControl,
-    Connection,
-    ContentDisposition,
-    ContentEncoding,
-    ContentLanguage,
-    ContentLength,
-    ContentLocation,
-    ContentRange,
-    ContentSecurityPolicy,
-    ContentSecurityPolicyReportOnly,
-    ContentType,
-    Cookie,
-    Cookie2,
-    CrossOriginEmbedderPolicy,
-    CrossOriginEmbedderPolicyReportOnly,
-    CrossOriginOpenerPolicy,
-    CrossOriginOpenerPolicyReportOnly,
-    CrossOriginResourcePolicy,
-    DNT,
-    Date,
-    DefaultStyle,
-    ETag,
-    Expect,
-    Expires,
-    Host,
-    IcyMetaInt,
-    IcyMetadata,
-    IfMatch,
-    IfModifiedSince,
-    IfNoneMatch,
-    IfRange,
-    IfUnmodifiedSince,
-    KeepAlive,
-    LastEventID,
-    LastModified,
-    Link,
-    Location,
-    Origin,
-    PingFrom,
-    PingTo,
-    Pragma,
-    ProxyAuthorization,
-    Purpose,
-    Range,
-    Referer,
-    ReferrerPolicy,
-    Refresh,
-    ReportTo,
-    SecFetchDest,
-    SecFetchMode,
-    SecWebSocketAccept,
-    SecWebSocketExtensions,
-    SecWebSocketKey,
-    SecWebSocketProtocol,
-    SecWebSocketVersion,
-    ServerTiming,
-    ServiceWorker,
-    ServiceWorkerAllowed,
-    ServiceWorkerNavigationPreload,
-    SetCookie,
-    SetCookie2,
-    SourceMap,
-    TE,
-    TimingAllowOrigin,
-    Trailer,
-    TransferEncoding,
-    Upgrade,
-    UpgradeInsecureRequests,
-    UserAgent,
-    Vary,
-    Via,
-    XContentTypeOptions,
-    XDNSPrefetchControl,
-    XFrameOptions,
-    XSourceMap,
-    XTempTablet,
-    XXSSProtection,
-};
-
-const unsigned numHTTPHeaderNames = 92;
-const size_t minHTTPHeaderNameLength = 2;
-const size_t maxHTTPHeaderNameLength = 40;
-
-bool findHTTPHeaderName(StringView, HTTPHeaderName&);
-WEBCORE_EXPORT StringView httpHeaderNameString(HTTPHeaderName);
-
-} // namespace WebCore
-
-namespace WTF {
-
-template<> struct EnumTraits<WebCore::HTTPHeaderName> {
-    using values = EnumValues<
-        WebCore::HTTPHeaderName,
-        WebCore::HTTPHeaderName::Accept,
-        WebCore::HTTPHeaderName::AcceptCharset,
-        WebCore::HTTPHeaderName::AcceptEncoding,
-        WebCore::HTTPHeaderName::AcceptLanguage,
-        WebCore::HTTPHeaderName::AcceptRanges,
-        WebCore::HTTPHeaderName::AccessControlAllowCredentials,
-        WebCore::HTTPHeaderName::AccessControlAllowHeaders,
-        WebCore::HTTPHeaderName::AccessControlAllowMethods,
-        WebCore::HTTPHeaderName::AccessControlAllowOrigin,
-        WebCore::HTTPHeaderName::AccessControlExposeHeaders,
-        WebCore::HTTPHeaderName::AccessControlMaxAge,
-        WebCore::HTTPHeaderName::AccessControlRequestHeaders,
-        WebCore::HTTPHeaderName::AccessControlRequestMethod,
-        WebCore::HTTPHeaderName::Age,
-        WebCore::HTTPHeaderName::Authorization,
-        WebCore::HTTPHeaderName::CacheControl,
-        WebCore::HTTPHeaderName::Connection,
-        WebCore::HTTPHeaderName::ContentDisposition,
-        WebCore::HTTPHeaderName::ContentEncoding,
-        WebCore::HTTPHeaderName::ContentLanguage,
-        WebCore::HTTPHeaderName::ContentLength,
-        WebCore::HTTPHeaderName::ContentLocation,
-        WebCore::HTTPHeaderName::ContentRange,
-        WebCore::HTTPHeaderName::ContentSecurityPolicy,
-        WebCore::HTTPHeaderName::ContentSecurityPolicyReportOnly,
-        WebCore::HTTPHeaderName::ContentType,
-        WebCore::HTTPHeaderName::Cookie,
-        WebCore::HTTPHeaderName::Cookie2,
-        WebCore::HTTPHeaderName::CrossOriginEmbedderPolicy,
-        WebCore::HTTPHeaderName::CrossOriginEmbedderPolicyReportOnly,
-        WebCore::HTTPHeaderName::CrossOriginOpenerPolicy,
-        WebCore::HTTPHeaderName::CrossOriginOpenerPolicyReportOnly,
-        WebCore::HTTPHeaderName::CrossOriginResourcePolicy,
-        WebCore::HTTPHeaderName::DNT,
-        WebCore::HTTPHeaderName::Date,
-        WebCore::HTTPHeaderName::DefaultStyle,
-        WebCore::HTTPHeaderName::ETag,
-        WebCore::HTTPHeaderName::Expect,
-        WebCore::HTTPHeaderName::Expires,
-        WebCore::HTTPHeaderName::Host,
-        WebCore::HTTPHeaderName::IcyMetaInt,
-        WebCore::HTTPHeaderName::IcyMetadata,
-        WebCore::HTTPHeaderName::IfMatch,
-        WebCore::HTTPHeaderName::IfModifiedSince,
-        WebCore::HTTPHeaderName::IfNoneMatch,
-        WebCore::HTTPHeaderName::IfRange,
-        WebCore::HTTPHeaderName::IfUnmodifiedSince,
-        WebCore::HTTPHeaderName::KeepAlive,
-        WebCore::HTTPHeaderName::LastEventID,
-        WebCore::HTTPHeaderName::LastModified,
-        WebCore::HTTPHeaderName::Link,
-        WebCore::HTTPHeaderName::Location,
-        WebCore::HTTPHeaderName::Origin,
-        WebCore::HTTPHeaderName::PingFrom,
-        WebCore::HTTPHeaderName::PingTo,
-        WebCore::HTTPHeaderName::Pragma,
-        WebCore::HTTPHeaderName::ProxyAuthorization,
-        WebCore::HTTPHeaderName::Purpose,
-        WebCore::HTTPHeaderName::Range,
-        WebCore::HTTPHeaderName::Referer,
-        WebCore::HTTPHeaderName::ReferrerPolicy,
-        WebCore::HTTPHeaderName::Refresh,
-        WebCore::HTTPHeaderName::ReportTo,
-        WebCore::HTTPHeaderName::SecFetchDest,
-        WebCore::HTTPHeaderName::SecFetchMode,
-        WebCore::HTTPHeaderName::SecWebSocketAccept,
-        WebCore::HTTPHeaderName::SecWebSocketExtensions,
-        WebCore::HTTPHeaderName::SecWebSocketKey,
-        WebCore::HTTPHeaderName::SecWebSocketProtocol,
-        WebCore::HTTPHeaderName::SecWebSocketVersion,
-        WebCore::HTTPHeaderName::ServerTiming,
-        WebCore::HTTPHeaderName::ServiceWorker,
-        WebCore::HTTPHeaderName::ServiceWorkerAllowed,
-        WebCore::HTTPHeaderName::ServiceWorkerNavigationPreload,
-        WebCore::HTTPHeaderName::SetCookie,
-        WebCore::HTTPHeaderName::SetCookie2,
-        WebCore::HTTPHeaderName::SourceMap,
-        WebCore::HTTPHeaderName::TE,
-        WebCore::HTTPHeaderName::TimingAllowOrigin,
-        WebCore::HTTPHeaderName::Trailer,
-        WebCore::HTTPHeaderName::TransferEncoding,
-        WebCore::HTTPHeaderName::Upgrade,
-        WebCore::HTTPHeaderName::UpgradeInsecureRequests,
-        WebCore::HTTPHeaderName::UserAgent,
-        WebCore::HTTPHeaderName::Vary,
-        WebCore::HTTPHeaderName::Via,
-        WebCore::HTTPHeaderName::XContentTypeOptions,
-        WebCore::HTTPHeaderName::XDNSPrefetchControl,
-        WebCore::HTTPHeaderName::XFrameOptions,
-        WebCore::HTTPHeaderName::XSourceMap,
-        WebCore::HTTPHeaderName::XTempTablet,
-        WebCore::HTTPHeaderName::XXSSProtection
-    >;
-};
-
-} // namespace WTF
-
-#endif // HTTPHeaderNames_h
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.in b/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.in
deleted file mode 100644
index 9edb2b2d7..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderNames.in
+++ /dev/null
@@ -1,119 +0,0 @@
-//
-// Copyright (C) 2014 Apple Inc. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions
-// are met:
-// 1. Redistributions of source code must retain the above copyright
-//    notice, this list of conditions and the following disclaimer.
-// 2. Redistributions in binary form must reproduce the above copyright
-//    notice, this list of conditions and the following disclaimer in the
-//    documentation and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
-// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-// THE POSSIBILITY OF SUCH DAMAGE.
-//
-
-Accept
-Accept-Charset
-Accept-Language
-Accept-Encoding
-Accept-Ranges
-Access-Control-Allow-Credentials
-Access-Control-Allow-Headers
-Access-Control-Allow-Methods
-Access-Control-Allow-Origin
-Access-Control-Expose-Headers
-Access-Control-Max-Age
-Access-Control-Request-Headers
-Access-Control-Request-Method
-Age
-Authorization
-Cache-Control
-Connection
-Content-Disposition
-Content-Encoding
-Content-Language
-Content-Length
-Content-Location
-Content-Security-Policy
-Content-Security-Policy-Report-Only
-Content-Type
-Content-Range
-Cookie
-Cookie2
-Cross-Origin-Embedder-Policy
-Cross-Origin-Embedder-Policy-Report-Only
-Cross-Origin-Opener-Policy
-Cross-Origin-Opener-Policy-Report-Only
-Cross-Origin-Resource-Policy
-Date
-DNT
-Default-Style
-ETag
-Expect
-Expires
-Host
-If-Match
-If-Modified-Since
-If-None-Match
-If-Range
-If-Unmodified-Since
-Keep-Alive
-Last-Event-ID
-Last-Modified
-Link
-Location
-Origin
-Ping-From
-Ping-To
-Purpose
-Pragma
-Proxy-Authorization
-Range
-Referer
-Referrer-Policy
-Refresh
-Report-To
-Sec-Fetch-Dest
-Sec-Fetch-Mode
-Sec-WebSocket-Accept
-Sec-WebSocket-Extensions
-Sec-WebSocket-Key
-Sec-WebSocket-Protocol
-Sec-WebSocket-Version
-Server-Timing
-Service-Worker
-Service-Worker-Allowed
-Service-Worker-Navigation-Preload
-Set-Cookie
-Set-Cookie2
-SourceMap
-TE
-Timing-Allow-Origin
-Trailer
-Transfer-Encoding
-Upgrade
-Upgrade-Insecure-Requests
-User-Agent
-Vary
-Via
-X-Content-Type-Options
-X-DNS-Prefetch-Control
-X-Frame-Options
-X-SourceMap
-X-XSS-Protection
-X-Temp-Tablet
-
-// These headers are specific to GStreamer.
-Icy-MetaInt
-Icy-Metadata
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderValues.cpp b/src/javascript/jsc/bindings/webcore/HTTPHeaderValues.cpp
deleted file mode 100644
index b4869e846..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderValues.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2016-2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "HTTPHeaderValues.h"
-
-#include <wtf/NeverDestroyed.h>
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-namespace HTTPHeaderValues {
-
-const String& textPlainContentType()
-{
-    static NeverDestroyed<const String> contentType(MAKE_STATIC_STRING_IMPL("text/plain;charset=UTF-8"));
-    return contentType;
-}
-
-const String& formURLEncodedContentType()
-{
-    static NeverDestroyed<const String> contentType(MAKE_STATIC_STRING_IMPL("application/x-www-form-urlencoded;charset=UTF-8"));
-    return contentType;
-}
-
-const String& applicationJSONContentType()
-{
-    // The default encoding is UTF-8: https://www.ietf.org/rfc/rfc4627.txt.
-    static NeverDestroyed<const String> contentType(MAKE_STATIC_STRING_IMPL("application/json"));
-    return contentType;
-}
-
-const String& noCache()
-{
-    static NeverDestroyed<const String> value(MAKE_STATIC_STRING_IMPL("no-cache"));
-    return value;
-}
-
-const String& maxAge0()
-{
-    static NeverDestroyed<const String> value(MAKE_STATIC_STRING_IMPL("max-age=0"));
-    return value;
-}
-
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/HTTPHeaderValues.h b/src/javascript/jsc/bindings/webcore/HTTPHeaderValues.h
deleted file mode 100644
index 6345a9a8f..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPHeaderValues.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <wtf/Forward.h>
-
-namespace WebCore {
-
-namespace HTTPHeaderValues {
-
-const String& textPlainContentType();
-const String& formURLEncodedContentType();
-WEBCORE_EXPORT const String& applicationJSONContentType();
-const String& noCache();
-WEBCORE_EXPORT const String& maxAge0();
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/HTTPParsers.cpp b/src/javascript/jsc/bindings/webcore/HTTPParsers.cpp
deleted file mode 100644
index 335afcec1..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPParsers.cpp
+++ /dev/null
@@ -1,1076 +0,0 @@
-/*
- * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- * Copyright (C) 2006-2017 Apple Inc. All rights reserved.
- * Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2011 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "HTTPParsers.h"
-
-#include "CommonAtomStrings.h"
-#include "HTTPHeaderField.h"
-#include "HTTPHeaderNames.h"
-#include "ParsedContentType.h"
-#include <wtf/CheckedArithmetic.h>
-#include <wtf/DateMath.h>
-#include <wtf/NeverDestroyed.h>
-#include <wtf/text/StringBuilder.h>
-#include <wtf/text/StringToIntegerConversion.h>
-#include <wtf/unicode/CharacterNames.h>
-
-namespace WebCore {
-
-// True if characters which satisfy the predicate are present, incrementing
-// "pos" to the next character which does not satisfy the predicate.
-// Note: might return pos == str.length().
-static inline bool skipWhile(const String& str, unsigned& pos, const Function<bool(const UChar)>& predicate)
-{
-    const unsigned start = pos;
-    const unsigned len = str.length();
-    while (pos < len && predicate(str[pos]))
-        ++pos;
-    return pos != start;
-}
-
-// true if there is more to parse, after incrementing pos past whitespace.
-// Note: Might return pos == str.length()
-static inline bool skipWhiteSpace(const String& str, unsigned& pos)
-{
-    skipWhile(str, pos, RFC7230::isWhitespace);
-    return pos < str.length();
-}
-
-// Returns true if the function can match the whole token (case insensitive)
-// incrementing pos on match, otherwise leaving pos unchanged.
-// Note: Might return pos == str.length()
-static inline bool skipToken(const String& str, unsigned& pos, const char* token)
-{
-    unsigned len = str.length();
-    unsigned current = pos;
-
-    while (current < len && *token) {
-        if (toASCIILower(str[current]) != *token++)
-            return false;
-        ++current;
-    }
-
-    if (*token)
-        return false;
-
-    pos = current;
-    return true;
-}
-
-// True if the expected equals sign is seen and there is more to follow.
-static inline bool skipEquals(const String& str, unsigned& pos)
-{
-    return skipWhiteSpace(str, pos) && str[pos++] == '=' && skipWhiteSpace(str, pos);
-}
-
-// True if a value present, incrementing pos to next space or semicolon, if any.
-// Note: might return pos == str.length().
-static inline bool skipValue(const String& str, unsigned& pos)
-{
-    unsigned start = pos;
-    unsigned len = str.length();
-    while (pos < len) {
-        if (str[pos] == ' ' || str[pos] == '\t' || str[pos] == ';')
-            break;
-        ++pos;
-    }
-    return pos != start;
-}
-
-// See RFC 7230, Section 3.1.2.
-bool isValidReasonPhrase(const String& value)
-{
-    for (unsigned i = 0; i < value.length(); ++i) {
-        UChar c = value[i];
-        if (c == 0x7F || !isLatin1(c) || (c < 0x20 && c != '\t'))
-            return false;
-    }
-    return true;
-}
-
-// See https://fetch.spec.whatwg.org/#concept-header
-bool isValidHTTPHeaderValue(const String& value)
-{
-    UChar c = value[0];
-    if (c == ' ' || c == '\t')
-        return false;
-    c = value[value.length() - 1];
-    if (c == ' ' || c == '\t')
-        return false;
-    for (unsigned i = 0; i < value.length(); ++i) {
-        c = value[i];
-        if (c == 0x00 || c == 0x0A || c == 0x0D)
-            return false;
-    }
-    return true;
-}
-
-// See RFC 7231, Section 5.3.2.
-bool isValidAcceptHeaderValue(const String& value)
-{
-    for (unsigned i = 0; i < value.length(); ++i) {
-        UChar c = value[i];
-
-        // First check for alphanumeric for performance reasons then allowlist four delimiter characters.
-        if (isASCIIAlphanumeric(c) || c == ',' || c == '/' || c == ';' || c == '=')
-            continue;
-
-        ASSERT(isLatin1(c));
-        if (c == 0x7F || (c < 0x20 && c != '\t'))
-            return false;
-
-        if (RFC7230::isDelimiter(c))
-            return false;
-    }
-
-    return true;
-}
-
-static bool containsCORSUnsafeRequestHeaderBytes(const String& value)
-{
-    for (unsigned i = 0; i < value.length(); ++i) {
-        UChar c = value[i];
-        // https://fetch.spec.whatwg.org/#cors-unsafe-request-header-byte
-        if ((c < 0x20 && c != '\t') || (c == '"' || c == '(' || c == ')' || c == ':' || c == '<' || c == '>' || c == '?' || c == '@' || c == '[' || c == '\\' || c == ']' || c == 0x7B || c == '{' || c == '}' || c == 0x7F))
-            return true;
-    }
-
-    return false;
-}
-
-// See RFC 7231, Section 5.3.5 and 3.1.3.2.
-// https://fetch.spec.whatwg.org/#cors-safelisted-request-header
-bool isValidLanguageHeaderValue(const String& value)
-{
-    for (unsigned i = 0; i < value.length(); ++i) {
-        UChar c = value[i];
-        if (isASCIIAlphanumeric(c) || c == ' ' || c == '*' || c == ',' || c == '-' || c == '.' || c == ';' || c == '=')
-            continue;
-        return false;
-    }
-    return true;
-}
-
-// See RFC 7230, Section 3.2.6.
-bool isValidHTTPToken(StringView value)
-{
-    if (value.isEmpty())
-        return false;
-    for (UChar c : value.codeUnits()) {
-        if (!RFC7230::isTokenCharacter(c))
-            return false;
-    }
-    return true;
-}
-
-bool isValidHTTPToken(const String& value)
-{
-    return isValidHTTPToken(StringView(value));
-}
-
-#if USE(GLIB)
-// True if the character at the given position satisifies a predicate, incrementing "pos" by one.
-// Note: Might return pos == str.length()
-static inline bool skipCharacter(const String& value, unsigned& pos, Function<bool(const UChar)>&& predicate)
-{
-    if (pos < value.length() && predicate(value[pos])) {
-        ++pos;
-        return true;
-    }
-    return false;
-}
-
-// True if the "expected" character is at the given position, incrementing "pos" by one.
-// Note: Might return pos == str.length()
-static inline bool skipCharacter(const String& value, unsigned& pos, const UChar expected)
-{
-    return skipCharacter(value, pos, [expected](const UChar c) {
-        return c == expected;
-    });
-}
-
-// True if a quoted pair is present, incrementing "pos" to the position after the quoted pair.
-// Note: Might return pos == str.length()
-// See RFC 7230, Section 3.2.6.
-static constexpr auto QuotedPairStartCharacter = '\\';
-static bool skipQuotedPair(const String& value, unsigned& pos)
-{
-    // quoted-pair = "\" ( HTAB / SP / VCHAR / obs-text )
-    return skipCharacter(value, pos, QuotedPairStartCharacter)
-        && skipCharacter(value, pos, RFC7230::isQuotedPairSecondOctet);
-}
-
-// True if a comment is present, incrementing "pos" to the position after the comment.
-// Note: Might return pos == str.length()
-// See RFC 7230, Section 3.2.6.
-static constexpr auto CommentStartCharacter = '(';
-static constexpr auto CommentEndCharacter = ')';
-static bool skipComment(const String& value, unsigned& pos)
-{
-    // comment = "(" *( ctext / quoted-pair / comment ) ")"
-    // ctext   = HTAB / SP / %x21-27 / %x2A-5B / %x5D-7E / obs-text
-    if (!skipCharacter(value, pos, CommentStartCharacter))
-        return false;
-
-    const unsigned end = value.length();
-    while (pos < end && value[pos] != CommentEndCharacter) {
-        switch (value[pos]) {
-        case CommentStartCharacter:
-            if (!skipComment(value, pos))
-                return false;
-            break;
-        case QuotedPairStartCharacter:
-            if (!skipQuotedPair(value, pos))
-                return false;
-            break;
-        default:
-            if (!skipWhile(value, pos, RFC7230::isCommentText))
-                return false;
-        }
-    }
-    return skipCharacter(value, pos, CommentEndCharacter);
-}
-
-// True if an HTTP header token is present, incrementing "pos" to the position after it.
-// Note: Might return pos == str.length()
-// See RFC 7230, Section 3.2.6.
-static bool skipHTTPToken(const String& value, unsigned& pos)
-{
-    return skipWhile(value, pos, RFC7230::isTokenCharacter);
-}
-
-// True if a product specifier (as in an User-Agent header) is present, incrementing "pos" to the position after it.
-// Note: Might return pos == str.length()
-// See RFC 7231, Section 5.5.3.
-static bool skipUserAgentProduct(const String& value, unsigned& pos)
-{
-    // product         = token ["/" product-version]
-    // product-version = token
-    if (!skipHTTPToken(value, pos))
-        return false;
-    if (skipCharacter(value, pos, '/'))
-        return skipHTTPToken(value, pos);
-    return true;
-}
-
-// See RFC 7231, Section 5.5.3
-bool isValidUserAgentHeaderValue(const String& value)
-{
-    // User-Agent = product *( RWS ( product / comment ) )
-    unsigned pos = 0;
-    if (!skipUserAgentProduct(value, pos))
-        return false;
-
-    while (pos < value.length()) {
-        if (!skipWhiteSpace(value, pos))
-            return false;
-        if (value[pos] == CommentStartCharacter) {
-            if (!skipComment(value, pos))
-                return false;
-        } else {
-            if (!skipUserAgentProduct(value, pos))
-                return false;
-        }
-    }
-
-    return pos == value.length();
-}
-#endif
-
-static const size_t maxInputSampleSize = 128;
-template<typename CharType>
-static String trimInputSample(CharType* p, size_t length)
-{
-    if (length <= maxInputSampleSize)
-        return String(p, length);
-    return makeString(StringView(p, length).left(maxInputSampleSize), horizontalEllipsis);
-}
-
-std::optional<WallTime> parseHTTPDate(const String& value)
-{
-    double dateInMillisecondsSinceEpoch = parseDateFromNullTerminatedCharacters(value.utf8().data());
-    if (!std::isfinite(dateInMillisecondsSinceEpoch))
-        return std::nullopt;
-    // This assumes system_clock epoch equals Unix epoch which is true for all implementations but unspecified.
-    // FIXME: The parsing function should be switched to WallTime too.
-    return WallTime::fromRawSeconds(dateInMillisecondsSinceEpoch / 1000.0);
-}
-
-// FIXME: This function doesn't comply with RFC 6266.
-// For example, this function doesn't handle the interaction between " and ;
-// that arises from quoted-string, nor does this function properly unquote
-// attribute values. Further this function appears to process parameter names
-// in a case-sensitive manner. (There are likely other bugs as well.)
-StringView filenameFromHTTPContentDisposition(StringView value)
-{
-    for (auto keyValuePair : value.split(';')) {
-        size_t valueStartPos = keyValuePair.find('=');
-        if (valueStartPos == notFound)
-            continue;
-
-        auto key = keyValuePair.left(valueStartPos).stripWhiteSpace();
-
-        if (key.isEmpty() || key != "filename")
-            continue;
-
-        auto value = keyValuePair.substring(valueStartPos + 1).stripWhiteSpace();
-
-        // Remove quotes if there are any
-        if (value.length() > 1 && value[0] == '\"')
-            value = value.substring(1, value.length() - 2);
-
-        return value;
-    }
-
-    return String();
-}
-
-String extractMIMETypeFromMediaType(const String& mediaType)
-{
-    unsigned position = 0;
-    unsigned length = mediaType.length();
-
-    for (; position < length; ++position) {
-        UChar c = mediaType[position];
-        if (c != '\t' && c != ' ')
-            break;
-    }
-
-    if (position == length)
-        return mediaType;
-
-    unsigned typeStart = position;
-
-    unsigned typeEnd = position;
-    for (; position < length; ++position) {
-        UChar c = mediaType[position];
-
-        // While RFC 2616 does not allow it, other browsers allow multiple values in the HTTP media
-        // type header field, Content-Type. In such cases, the media type string passed here may contain
-        // the multiple values separated by commas. For now, this code ignores text after the first comma,
-        // which prevents it from simply failing to parse such types altogether. Later for better
-        // compatibility we could consider using the first or last valid MIME type instead.
-        // See https://bugs.webkit.org/show_bug.cgi?id=25352 for more discussion.
-        if (c == ',')
-            break;
-
-        if (c == '\t' || c == ' ' || c == ';')
-            break;
-
-        typeEnd = position + 1;
-    }
-
-    return mediaType.substring(typeStart, typeEnd - typeStart);
-}
-
-StringView extractCharsetFromMediaType(StringView mediaType)
-{
-    unsigned charsetPos = 0, charsetLen = 0;
-    size_t pos = 0;
-    unsigned length = mediaType.length();
-
-    while (pos < length) {
-        pos = mediaType.findIgnoringASCIICase("charset"_s, pos);
-        if (pos == notFound || pos == 0) {
-            charsetLen = 0;
-            break;
-        }
-
-        // is what we found a beginning of a word?
-        if (mediaType[pos - 1] > ' ' && mediaType[pos - 1] != ';') {
-            pos += 7;
-            continue;
-        }
-
-        pos += 7;
-
-        // skip whitespace
-        while (pos < length && mediaType[pos] <= ' ')
-            ++pos;
-
-        if (pos >= length)
-            break;
-
-        if (mediaType[pos++] != '=') // this "charset" substring wasn't a parameter name, but there may be others
-            continue;
-
-        while (pos < length && (mediaType[pos] <= ' ' || mediaType[pos] == '"' || mediaType[pos] == '\''))
-            ++pos;
-
-        // we don't handle spaces within quoted parameter values, because charset names cannot have any
-        unsigned endpos = pos;
-        while (endpos < length && mediaType[endpos] > ' ' && mediaType[endpos] != '"' && mediaType[endpos] != '\'' && mediaType[endpos] != ';')
-            ++endpos;
-
-        charsetPos = pos;
-        charsetLen = endpos - pos;
-        break;
-    }
-    return mediaType.substring(charsetPos, charsetLen);
-}
-
-XSSProtectionDisposition parseXSSProtectionHeader(const String& header, String& failureReason, unsigned& failurePosition, String& reportURL)
-{
-    static NeverDestroyed<String> failureReasonInvalidToggle(MAKE_STATIC_STRING_IMPL("expected 0 or 1"));
-    static NeverDestroyed<String> failureReasonInvalidSeparator(MAKE_STATIC_STRING_IMPL("expected semicolon"));
-    static NeverDestroyed<String> failureReasonInvalidEquals(MAKE_STATIC_STRING_IMPL("expected equals sign"));
-    static NeverDestroyed<String> failureReasonInvalidMode(MAKE_STATIC_STRING_IMPL("invalid mode directive"));
-    static NeverDestroyed<String> failureReasonInvalidReport(MAKE_STATIC_STRING_IMPL("invalid report directive"));
-    static NeverDestroyed<String> failureReasonDuplicateMode(MAKE_STATIC_STRING_IMPL("duplicate mode directive"));
-    static NeverDestroyed<String> failureReasonDuplicateReport(MAKE_STATIC_STRING_IMPL("duplicate report directive"));
-    static NeverDestroyed<String> failureReasonInvalidDirective(MAKE_STATIC_STRING_IMPL("unrecognized directive"));
-
-    unsigned pos = 0;
-
-    if (!skipWhiteSpace(header, pos))
-        return XSSProtectionDisposition::Enabled;
-
-    if (header[pos] == '0')
-        return XSSProtectionDisposition::Disabled;
-
-    if (header[pos++] != '1') {
-        failureReason = failureReasonInvalidToggle;
-        return XSSProtectionDisposition::Invalid;
-    }
-
-    XSSProtectionDisposition result = XSSProtectionDisposition::Enabled;
-    bool modeDirectiveSeen = false;
-    bool reportDirectiveSeen = false;
-
-    while (1) {
-        // At end of previous directive: consume whitespace, semicolon, and whitespace.
-        if (!skipWhiteSpace(header, pos))
-            return result;
-
-        if (header[pos++] != ';') {
-            failureReason = failureReasonInvalidSeparator;
-            failurePosition = pos;
-            return XSSProtectionDisposition::Invalid;
-        }
-
-        if (!skipWhiteSpace(header, pos))
-            return result;
-
-        // At start of next directive.
-        if (skipToken(header, pos, "mode")) {
-            if (modeDirectiveSeen) {
-                failureReason = failureReasonDuplicateMode;
-                failurePosition = pos;
-                return XSSProtectionDisposition::Invalid;
-            }
-            modeDirectiveSeen = true;
-            if (!skipEquals(header, pos)) {
-                failureReason = failureReasonInvalidEquals;
-                failurePosition = pos;
-                return XSSProtectionDisposition::Invalid;
-            }
-            if (!skipToken(header, pos, "block")) {
-                failureReason = failureReasonInvalidMode;
-                failurePosition = pos;
-                return XSSProtectionDisposition::Invalid;
-            }
-            result = XSSProtectionDisposition::BlockEnabled;
-        } else if (skipToken(header, pos, "report")) {
-            if (reportDirectiveSeen) {
-                failureReason = failureReasonDuplicateReport;
-                failurePosition = pos;
-                return XSSProtectionDisposition::Invalid;
-            }
-            reportDirectiveSeen = true;
-            if (!skipEquals(header, pos)) {
-                failureReason = failureReasonInvalidEquals;
-                failurePosition = pos;
-                return XSSProtectionDisposition::Invalid;
-            }
-            size_t startPos = pos;
-            if (!skipValue(header, pos)) {
-                failureReason = failureReasonInvalidReport;
-                failurePosition = pos;
-                return XSSProtectionDisposition::Invalid;
-            }
-            reportURL = header.substring(startPos, pos - startPos);
-            failurePosition = startPos; // If later semantic check deems unacceptable.
-        } else {
-            failureReason = failureReasonInvalidDirective;
-            failurePosition = pos;
-            return XSSProtectionDisposition::Invalid;
-        }
-    }
-}
-
-ContentTypeOptionsDisposition parseContentTypeOptionsHeader(StringView header)
-{
-    StringView leftToken = header.left(header.find(','));
-    if (equalLettersIgnoringASCIICase(stripLeadingAndTrailingHTTPSpaces(leftToken), "nosniff"_s))
-        return ContentTypeOptionsDisposition::Nosniff;
-    return ContentTypeOptionsDisposition::None;
-}
-
-// For example: "HTTP/1.1 200 OK" => "OK".
-// Note that HTTP/2 does not include a reason phrase, so we return the empty atom.
-AtomString extractReasonPhraseFromHTTPStatusLine(const String& statusLine)
-{
-    StringView view = statusLine;
-    size_t spacePos = view.find(' ');
-
-    // Remove status code from the status line.
-    spacePos = view.find(' ', spacePos + 1);
-    if (spacePos == notFound)
-        return emptyAtom();
-
-    return view.substring(spacePos + 1).toAtomString();
-}
-
-XFrameOptionsDisposition parseXFrameOptionsHeader(StringView header)
-{
-    XFrameOptionsDisposition result = XFrameOptionsDisposition::None;
-
-    if (header.isEmpty())
-        return result;
-
-    for (auto currentHeader : header.split(',')) {
-        currentHeader = currentHeader.stripWhiteSpace();
-        XFrameOptionsDisposition currentValue = XFrameOptionsDisposition::None;
-        if (equalLettersIgnoringASCIICase(currentHeader, "deny"_s))
-            currentValue = XFrameOptionsDisposition::Deny;
-        else if (equalLettersIgnoringASCIICase(currentHeader, "sameorigin"_s))
-            currentValue = XFrameOptionsDisposition::SameOrigin;
-        else if (equalLettersIgnoringASCIICase(currentHeader, "allowall"_s))
-            currentValue = XFrameOptionsDisposition::AllowAll;
-        else
-            currentValue = XFrameOptionsDisposition::Invalid;
-
-        if (result == XFrameOptionsDisposition::None)
-            result = currentValue;
-        else if (result != currentValue)
-            return XFrameOptionsDisposition::Conflict;
-    }
-    return result;
-}
-
-// https://fetch.spec.whatwg.org/#concept-header-list-get-structured-header
-// FIXME: For now, this assumes the type is "item".
-std::optional<std::pair<StringView, HashMap<String, String>>> parseStructuredFieldValue(StringView header)
-{
-    header = stripLeadingAndTrailingHTTPSpaces(header);
-    if (header.isEmpty())
-        return std::nullopt;
-
-    // Parse a token (https://datatracker.ietf.org/doc/html/rfc8941#section-4.2.6).
-    if (!isASCIIAlpha(header[0]) && header[0] != '*')
-        return std::nullopt;
-    size_t index = 1;
-    while (index < header.length()) {
-        UChar c = header[index];
-        if (!RFC7230::isTokenCharacter(c) && c != ':' && c != '/')
-            break;
-        ++index;
-    }
-    StringView bareItem = header.left(index);
-
-    // Parse parameters (https://datatracker.ietf.org/doc/html/rfc8941#section-4.2.3.2).
-    HashMap<String, String> parameters;
-    while (index < header.length()) {
-        if (header[index] != ';')
-            break;
-        ++index; // Consume ';'.
-        while (index < header.length() && header[index] == ' ')
-            ++index;
-        if (index == header.length())
-            return std::nullopt;
-        // Parse a key (https://datatracker.ietf.org/doc/html/rfc8941#section-4.2.3.3)
-        if (!isASCIILower(header[index]))
-            return std::nullopt;
-        size_t keyStart = index++;
-        while (index < header.length()) {
-            UChar c = header[index];
-            if (!isASCIILower(c) && !isASCIIDigit(c) && c != '_' && c != '-' && c != '.' && c != '*')
-                break;
-            ++index;
-        }
-        StringView key = header.substring(keyStart, index - keyStart);
-        String value = trueAtom();
-        if (index < header.length() && header[index] == '=') {
-            ++index; // Consume '='.
-            if (isASCIIAlpha(header[index]) || header[index] == '*') {
-                // https://datatracker.ietf.org/doc/html/rfc8941#section-4.2.6
-                size_t valueStart = index++;
-                while (index < header.length()) {
-                    UChar c = header[index];
-                    if (!RFC7230::isTokenCharacter(c) && c != ':' && c != '/')
-                        break;
-                    ++index;
-                }
-                value = header.substring(valueStart, index - valueStart).toString();
-            } else if (header[index] == '"') {
-                // https://datatracker.ietf.org/doc/html/rfc8941#section-4.2.5
-                StringBuilder valueBuilder;
-                ++index; // Skip DQUOTE.
-                while (index < header.length()) {
-                    if (header[index] == '\\') {
-                        ++index;
-                        if (index == header.length())
-                            return std::nullopt;
-                        if (header[index] != '\\' && header[index] != '"')
-                            return std::nullopt;
-                        valueBuilder.append(header[index]);
-                    } else if (header[index] == '\"') {
-                        value = valueBuilder.toString();
-                        break;
-                    } else if (header[index] <= 0x1F || (header[index] >= 0x7F && header[index] <= 0xFF)) // Not in VCHAR or SP.
-                        return std::nullopt;
-                    else
-                        valueBuilder.append(header[index]);
-                    ++index;
-                }
-                if (index == header.length())
-                    return std::nullopt;
-                ++index; // Skip DQUOTE.
-            } else
-                return std::nullopt;
-        }
-        parameters.set(key.toString(), WTFMove(value));
-    }
-    if (index != header.length())
-        return std::nullopt;
-    return std::make_pair(bareItem, parameters);
-}
-
-bool parseRange(StringView range, long long& rangeOffset, long long& rangeEnd, long long& rangeSuffixLength)
-{
-    // The format of "Range" header is defined in RFC 2616 Section 14.35.1.
-    // http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.1
-    // We don't support multiple range requests.
-
-    rangeOffset = rangeEnd = rangeSuffixLength = -1;
-
-    // The "bytes" unit identifier should be present.
-    static const unsigned bytesLength = 6;
-    if (!startsWithLettersIgnoringASCIICase(range, "bytes="_s))
-        return false;
-
-    StringView byteRange = range.substring(bytesLength);
-
-    // The '-' character needs to be present.
-    int index = byteRange.find('-');
-    if (index == -1)
-        return false;
-
-    // If the '-' character is at the beginning, the suffix length, which specifies the last N bytes, is provided.
-    // Example:
-    //     -500
-    if (!index) {
-        if (auto value = parseInteger<long long>(byteRange.substring(index + 1)))
-            rangeSuffixLength = *value;
-        return true;
-    }
-
-    // Otherwise, the first-byte-position and the last-byte-position are provied.
-    // Examples:
-    //     0-499
-    //     500-
-    auto firstBytePos = parseInteger<long long>(byteRange.left(index));
-    if (!firstBytePos)
-        return false;
-
-    auto lastBytePosStr = stripLeadingAndTrailingHTTPSpaces(byteRange.substring(index + 1));
-    long long lastBytePos = -1;
-    if (!lastBytePosStr.isEmpty()) {
-        auto value = parseInteger<long long>(lastBytePosStr);
-        if (!value)
-            return false;
-        lastBytePos = *value;
-    }
-
-    if (*firstBytePos < 0 || !(lastBytePos == -1 || lastBytePos >= *firstBytePos))
-        return false;
-
-    rangeOffset = *firstBytePos;
-    rangeEnd = lastBytePos;
-    return true;
-}
-
-template<typename CharacterType>
-static inline bool isValidHeaderNameCharacter(CharacterType character)
-{
-    // https://tools.ietf.org/html/rfc7230#section-3.2
-    // A header name should only contain one or more of
-    // alphanumeric or ! # $ % & ' * + - . ^ _ ` | ~
-    if (isASCIIAlphanumeric(character))
-        return true;
-    switch (character) {
-    case '!':
-    case '#':
-    case '$':
-    case '%':
-    case '&':
-    case '\'':
-    case '*':
-    case '+':
-    case '-':
-    case '.':
-    case '^':
-    case '_':
-    case '`':
-    case '|':
-    case '~':
-        return true;
-    default:
-        return false;
-    }
-}
-
-size_t parseHTTPHeader(const uint8_t* start, size_t length, String& failureReason, StringView& nameStr, String& valueStr, bool strict)
-{
-    auto p = start;
-    auto end = start + length;
-
-    Vector<uint8_t> name;
-    Vector<uint8_t> value;
-
-    bool foundFirstNameChar = false;
-    const uint8_t* namePtr = nullptr;
-    size_t nameSize = 0;
-
-    nameStr = StringView();
-    valueStr = String();
-
-    for (; p < end; p++) {
-        switch (*p) {
-        case '\r':
-            if (name.isEmpty()) {
-                if (p + 1 < end && *(p + 1) == '\n')
-                    return (p + 2) - start;
-                failureReason = makeString("CR doesn't follow LF in header name at ", trimInputSample(p, end - p));
-                return 0;
-            }
-            failureReason = makeString("Unexpected CR in header name at ", trimInputSample(name.data(), name.size()));
-            return 0;
-        case '\n':
-            failureReason = makeString("Unexpected LF in header name at ", trimInputSample(name.data(), name.size()));
-            return 0;
-        case ':':
-            break;
-        default:
-            if (!isValidHeaderNameCharacter(*p)) {
-                if (name.size() < 1)
-                    failureReason = "Unexpected start character in header name"_s;
-                else
-                    failureReason = makeString("Unexpected character in header name at ", trimInputSample(name.data(), name.size()));
-                return 0;
-            }
-            name.append(*p);
-            if (!foundFirstNameChar) {
-                namePtr = p;
-                foundFirstNameChar = true;
-            }
-            continue;
-        }
-        if (*p == ':') {
-            ++p;
-            break;
-        }
-    }
-
-    nameSize = name.size();
-    nameStr = StringView(namePtr, nameSize);
-
-    for (; p < end && *p == 0x20; p++) {
-    }
-
-    for (; p < end; p++) {
-        switch (*p) {
-        case '\r':
-            break;
-        case '\n':
-            if (strict) {
-                failureReason = makeString("Unexpected LF in header value at ", trimInputSample(value.data(), value.size()));
-                return 0;
-            }
-            break;
-        default:
-            value.append(*p);
-        }
-        if (*p == '\r' || (!strict && *p == '\n')) {
-            ++p;
-            break;
-        }
-    }
-    if (p >= end || (strict && *p != '\n')) {
-        failureReason = makeString("CR doesn't follow LF after header value at ", trimInputSample(p, end - p));
-        return 0;
-    }
-    valueStr = String::fromUTF8(value.data(), value.size());
-    if (valueStr.isNull()) {
-        failureReason = "Invalid UTF-8 sequence in header value"_s;
-        return 0;
-    }
-    return p - start;
-}
-
-size_t parseHTTPRequestBody(const uint8_t* data, size_t length, Vector<uint8_t>& body)
-{
-    body.clear();
-    body.append(data, length);
-
-    return length;
-}
-
-// Implements <https://fetch.spec.whatwg.org/#forbidden-header-name>.
-bool isForbiddenHeaderName(const String& name)
-{
-    HTTPHeaderName headerName;
-    if (findHTTPHeaderName(name, headerName)) {
-        switch (headerName) {
-        case HTTPHeaderName::AcceptCharset:
-        case HTTPHeaderName::AcceptEncoding:
-        case HTTPHeaderName::AccessControlRequestHeaders:
-        case HTTPHeaderName::AccessControlRequestMethod:
-        case HTTPHeaderName::Connection:
-        case HTTPHeaderName::ContentLength:
-        case HTTPHeaderName::Cookie:
-        case HTTPHeaderName::Cookie2:
-        case HTTPHeaderName::Date:
-        case HTTPHeaderName::DNT:
-        case HTTPHeaderName::Expect:
-        case HTTPHeaderName::Host:
-        case HTTPHeaderName::KeepAlive:
-        case HTTPHeaderName::Origin:
-        case HTTPHeaderName::Referer:
-        case HTTPHeaderName::TE:
-        case HTTPHeaderName::Trailer:
-        case HTTPHeaderName::TransferEncoding:
-        case HTTPHeaderName::Upgrade:
-        case HTTPHeaderName::Via:
-            return true;
-        default:
-            break;
-        }
-    }
-    return startsWithLettersIgnoringASCIICase(name, "sec-"_s) || startsWithLettersIgnoringASCIICase(name, "proxy-"_s);
-}
-
-// Implements <https://fetch.spec.whatwg.org/#no-cors-safelisted-request-header-name>.
-bool isNoCORSSafelistedRequestHeaderName(const String& name)
-{
-    HTTPHeaderName headerName;
-    if (findHTTPHeaderName(name, headerName)) {
-        switch (headerName) {
-        case HTTPHeaderName::Accept:
-        case HTTPHeaderName::AcceptLanguage:
-        case HTTPHeaderName::ContentLanguage:
-        case HTTPHeaderName::ContentType:
-            return true;
-        default:
-            break;
-        }
-    }
-    return false;
-}
-
-// Implements <https://fetch.spec.whatwg.org/#privileged-no-cors-request-header-name>.
-bool isPriviledgedNoCORSRequestHeaderName(const String& name)
-{
-    return equalLettersIgnoringASCIICase(name, "range"_s);
-}
-
-// Implements <https://fetch.spec.whatwg.org/#forbidden-response-header-name>.
-bool isForbiddenResponseHeaderName(const String& name)
-{
-    return equalLettersIgnoringASCIICase(name, "set-cookie"_s) || equalLettersIgnoringASCIICase(name, "set-cookie2"_s);
-}
-
-// Implements <https://fetch.spec.whatwg.org/#forbidden-method>.
-bool isForbiddenMethod(const String& name)
-{
-    return equalLettersIgnoringASCIICase(name, "connect"_s) || equalLettersIgnoringASCIICase(name, "trace"_s) || equalLettersIgnoringASCIICase(name, "track"_s);
-}
-
-bool isSimpleHeader(const String& name, const String& value)
-{
-    HTTPHeaderName headerName;
-    if (!findHTTPHeaderName(name, headerName))
-        return false;
-    return isCrossOriginSafeRequestHeader(headerName, value);
-}
-
-bool isCrossOriginSafeHeader(HTTPHeaderName name, const HTTPHeaderSet& accessControlExposeHeaderSet)
-{
-    switch (name) {
-    case HTTPHeaderName::CacheControl:
-    case HTTPHeaderName::ContentLanguage:
-    case HTTPHeaderName::ContentLength:
-    case HTTPHeaderName::ContentType:
-    case HTTPHeaderName::Expires:
-    case HTTPHeaderName::LastModified:
-    case HTTPHeaderName::Pragma:
-    case HTTPHeaderName::Accept:
-        return true;
-    case HTTPHeaderName::SetCookie:
-    case HTTPHeaderName::SetCookie2:
-        return false;
-    default:
-        break;
-    }
-    return accessControlExposeHeaderSet.contains<ASCIICaseInsensitiveStringViewHashTranslator>(httpHeaderNameString(name));
-}
-
-bool isCrossOriginSafeHeader(const String& name, const HTTPHeaderSet& accessControlExposeHeaderSet)
-{
-#if ASSERT_ENABLED
-    HTTPHeaderName headerName;
-    ASSERT(!findHTTPHeaderName(name, headerName));
-#endif
-    return accessControlExposeHeaderSet.contains(name);
-}
-
-static bool isSimpleRangeHeaderValue(const String& value)
-{
-    if (!value.startsWith("bytes="_s))
-        return false;
-
-    unsigned start = 0;
-    unsigned end = 0;
-    bool hasHyphen = false;
-
-    for (size_t cptr = 6; cptr < value.length(); ++cptr) {
-        auto character = value[cptr];
-        if (character >= '0' && character <= '9') {
-            if (productOverflows<unsigned>(hasHyphen ? end : start, 10))
-                return false;
-            auto newDecimal = (hasHyphen ? end : start) * 10;
-            auto sum = Checked<unsigned, RecordOverflow>(newDecimal) + Checked<unsigned, RecordOverflow>(character - '0');
-            if (sum.hasOverflowed())
-                return false;
-
-            if (hasHyphen)
-                end = sum.value();
-            else
-                start = sum.value();
-            continue;
-        }
-        if (character == '-' && !hasHyphen) {
-            hasHyphen = true;
-            continue;
-        }
-        return false;
-    }
-
-    return hasHyphen && (!end || start < end);
-}
-
-// Implements https://fetch.spec.whatwg.org/#cors-safelisted-request-header
-bool isCrossOriginSafeRequestHeader(HTTPHeaderName name, const String& value)
-{
-    if (value.length() > 128)
-        return false;
-
-    switch (name) {
-    case HTTPHeaderName::Accept:
-        if (!isValidAcceptHeaderValue(value))
-            return false;
-        break;
-    case HTTPHeaderName::AcceptLanguage:
-    case HTTPHeaderName::ContentLanguage:
-        if (!isValidLanguageHeaderValue(value))
-            return false;
-        break;
-    case HTTPHeaderName::ContentType: {
-        // Preflight is required for MIME types that can not be sent via form submission.
-        if (containsCORSUnsafeRequestHeaderBytes(value))
-            return false;
-        auto parsedContentType = ParsedContentType::create(value);
-        if (!parsedContentType)
-            return false;
-        String mimeType = parsedContentType->mimeType();
-        if (!(equalLettersIgnoringASCIICase(mimeType, "application/x-www-form-urlencoded"_s) || equalLettersIgnoringASCIICase(mimeType, "multipart/form-data"_s) || equalLettersIgnoringASCIICase(mimeType, "text/plain"_s)))
-            return false;
-        break;
-    }
-    case HTTPHeaderName::Range:
-        if (!isSimpleRangeHeaderValue(value))
-            return false;
-        break;
-    default:
-        // FIXME: Should we also make safe other headers (DPR, Downlink, Save-Data...)? That would require validating their values.
-        return false;
-    }
-    return true;
-}
-
-// Implements <https://fetch.spec.whatwg.org/#concept-method-normalize>.
-String normalizeHTTPMethod(const String& method)
-{
-    const ASCIILiteral methods[] = { "DELETE"_s, "GET"_s, "HEAD"_s, "OPTIONS"_s, "POST"_s, "PUT"_s };
-    for (auto value : methods) {
-        if (equalIgnoringASCIICase(method, value)) {
-            // Don't bother allocating a new string if it's already all uppercase.
-            if (method == value)
-                break;
-            return value;
-        }
-    }
-    return method;
-}
-
-// Defined by https://tools.ietf.org/html/rfc7231#section-4.2.1
-bool isSafeMethod(const String& method)
-{
-    const ASCIILiteral safeMethods[] = { "GET"_s, "HEAD"_s, "OPTIONS"_s, "TRACE"_s };
-    for (auto value : safeMethods) {
-        if (equalIgnoringASCIICase(method, value))
-            return true;
-    }
-    return false;
-}
-
-CrossOriginResourcePolicy parseCrossOriginResourcePolicyHeader(StringView header)
-{
-    auto strippedHeader = stripLeadingAndTrailingHTTPSpaces(header);
-
-    if (strippedHeader.isEmpty())
-        return CrossOriginResourcePolicy::None;
-
-    if (strippedHeader == "same-origin")
-        return CrossOriginResourcePolicy::SameOrigin;
-
-    if (strippedHeader == "same-site")
-        return CrossOriginResourcePolicy::SameSite;
-
-    if (strippedHeader == "cross-origin")
-        return CrossOriginResourcePolicy::CrossOrigin;
-
-    return CrossOriginResourcePolicy::Invalid;
-}
-
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/HTTPParsers.h b/src/javascript/jsc/bindings/webcore/HTTPParsers.h
deleted file mode 100644
index 917ab2eae..000000000
--- a/src/javascript/jsc/bindings/webcore/HTTPParsers.h
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2011 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <wtf/HashSet.h>
-#include <wtf/WallTime.h>
-#include <wtf/text/StringHash.h>
-
-namespace WebCore {
-
-typedef HashSet<String, ASCIICaseInsensitiveHash> HTTPHeaderSet;
-
-enum class HTTPHeaderName;
-
-enum class XSSProtectionDisposition {
-    Invalid,
-    Disabled,
-    Enabled,
-    BlockEnabled,
-};
-
-enum class ContentTypeOptionsDisposition : bool {
-    None,
-    Nosniff
-};
-
-enum class XFrameOptionsDisposition : uint8_t {
-    None,
-    Deny,
-    SameOrigin,
-    AllowAll,
-    Invalid,
-    Conflict
-};
-
-enum class CrossOriginResourcePolicy : uint8_t {
-    None,
-    CrossOrigin,
-    SameOrigin,
-    SameSite,
-    Invalid
-};
-
-bool isValidReasonPhrase(const String&);
-bool isValidHTTPHeaderValue(const String&);
-bool isValidAcceptHeaderValue(const String&);
-bool isValidLanguageHeaderValue(const String&);
-#if USE(GLIB)
-WEBCORE_EXPORT bool isValidUserAgentHeaderValue(const String&);
-#endif
-bool isValidHTTPToken(const String&);
-bool isValidHTTPToken(StringView);
-std::optional<WallTime> parseHTTPDate(const String&);
-StringView filenameFromHTTPContentDisposition(StringView);
-WEBCORE_EXPORT String extractMIMETypeFromMediaType(const String&);
-StringView extractCharsetFromMediaType(const String&);
-XSSProtectionDisposition parseXSSProtectionHeader(const String& header, String& failureReason, unsigned& failurePosition, String& reportURL);
-AtomString extractReasonPhraseFromHTTPStatusLine(const String&);
-WEBCORE_EXPORT XFrameOptionsDisposition parseXFrameOptionsHeader(StringView);
-std::optional<std::pair<StringView, HashMap<String, String>>> parseStructuredFieldValue(StringView header);
-
-// -1 could be set to one of the return parameters to indicate the value is not specified.
-WEBCORE_EXPORT bool parseRange(const String&, long long& rangeOffset, long long& rangeEnd, long long& rangeSuffixLength);
-
-ContentTypeOptionsDisposition parseContentTypeOptionsHeader(StringView header);
-
-// Parsing Complete HTTP Messages.
-size_t parseHTTPHeader(const uint8_t* data, size_t length, String& failureReason, StringView& nameStr, String& valueStr, bool strict = true);
-size_t parseHTTPRequestBody(const uint8_t* data, size_t length, Vector<uint8_t>& body);
-
-// HTTP Header routine as per https://fetch.spec.whatwg.org/#terminology-headers
-bool isForbiddenHeaderName(const String&);
-bool isNoCORSSafelistedRequestHeaderName(const String&);
-bool isPriviledgedNoCORSRequestHeaderName(const String&);
-bool isForbiddenResponseHeaderName(const String&);
-bool isForbiddenMethod(const String&);
-bool isSimpleHeader(const String& name, const String& value);
-bool isCrossOriginSafeHeader(HTTPHeaderName, const HTTPHeaderSet&);
-bool isCrossOriginSafeHeader(const String&, const HTTPHeaderSet&);
-bool isCrossOriginSafeRequestHeader(HTTPHeaderName, const String&);
-
-String normalizeHTTPMethod(const String&);
-bool isSafeMethod(const String&);
-
-WEBCORE_EXPORT CrossOriginResourcePolicy parseCrossOriginResourcePolicyHeader(StringView);
-
-inline bool isHTTPSpace(UChar character)
-{
-    return character <= ' ' && (character == ' ' || character == '\n' || character == '\t' || character == '\r');
-}
-
-// Strip leading and trailing whitespace as defined in https://fetch.spec.whatwg.org/#concept-header-value-normalize.
-inline String stripLeadingAndTrailingHTTPSpaces(const String& string)
-{
-    return string.stripLeadingAndTrailingCharacters(isHTTPSpace);
-}
-
-inline StringView stripLeadingAndTrailingHTTPSpaces(StringView string)
-{
-    return string.stripLeadingAndTrailingMatchedCharacters(isHTTPSpace);
-}
-
-template<class HashType>
-bool addToAccessControlAllowList(const String& string, unsigned start, unsigned end, HashSet<String, HashType>& set)
-{
-    StringImpl* stringImpl = string.impl();
-    if (!stringImpl)
-        return true;
-
-    // Skip white space from start.
-    while (start <= end && isHTTPSpace((*stringImpl)[start]))
-        ++start;
-
-    // only white space
-    if (start > end)
-        return true;
-
-    // Skip white space from end.
-    while (end && isHTTPSpace((*stringImpl)[end]))
-        --end;
-
-    auto token = string.substring(start, end - start + 1);
-    if (!isValidHTTPToken(token))
-        return false;
-
-    set.add(WTFMove(token));
-    return true;
-}
-
-template<class HashType = DefaultHash<String>>
-std::optional<HashSet<String, HashType>> parseAccessControlAllowList(const String& string)
-{
-    HashSet<String, HashType> set;
-    unsigned start = 0;
-    size_t end;
-    while ((end = string.find(',', start)) != notFound) {
-        if (start != end) {
-            if (!addToAccessControlAllowList(string, start, end - 1, set))
-                return {};
-        }
-        start = end + 1;
-    }
-    if (start != string.length()) {
-        if (!addToAccessControlAllowList(string, start, string.length() - 1, set))
-            return {};
-    }
-    return set;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/InternalWritableStream.cpp b/src/javascript/jsc/bindings/webcore/InternalWritableStream.cpp
deleted file mode 100644
index d3988c908..000000000
--- a/src/javascript/jsc/bindings/webcore/InternalWritableStream.cpp
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Copyright (C) 2020-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CANON INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "InternalWritableStream.h"
-
-#include "Exception.h"
-#include "WebCoreJSClientData.h"
-
-namespace WebCore {
-
-static ExceptionOr<JSC::JSValue> invokeWritableStreamFunction(JSC::JSGlobalObject& globalObject, const JSC::Identifier& identifier, const JSC::MarkedArgumentBuffer& arguments)
-{
-    JSC::VM& vm = globalObject.vm();
-    JSC::JSLockHolder lock(vm);
-
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-
-    auto function = globalObject.get(&globalObject, identifier);
-    ASSERT(function.isCallable());
-    scope.assertNoExceptionExceptTermination();
-
-    auto callData = JSC::getCallData(function);
-
-    auto result = call(&globalObject, function, callData, JSC::jsUndefined(), arguments);
-    RETURN_IF_EXCEPTION(scope, Exception { ExistingExceptionError });
-
-    return result;
-}
-
-ExceptionOr<Ref<InternalWritableStream>> InternalWritableStream::createFromUnderlyingSink(JSDOMGlobalObject& globalObject, JSC::JSValue underlyingSink, JSC::JSValue strategy)
-{
-    auto* clientData = static_cast<JSVMClientData*>(globalObject.vm().clientData);
-    auto& privateName = clientData->builtinFunctions().writableStreamInternalsBuiltins().createInternalWritableStreamFromUnderlyingSinkPrivateName();
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(underlyingSink);
-    arguments.append(strategy);
-    ASSERT(!arguments.hasOverflowed());
-
-    auto result = invokeWritableStreamFunction(globalObject, privateName, arguments);
-    if (UNLIKELY(result.hasException()))
-        return result.releaseException();
-
-    ASSERT(result.returnValue().isObject());
-    return adoptRef(*new InternalWritableStream(globalObject, *result.returnValue().toObject(&globalObject)));
-}
-
-Ref<InternalWritableStream> InternalWritableStream::fromObject(JSDOMGlobalObject& globalObject, JSC::JSObject& object)
-{
-    return adoptRef(*new InternalWritableStream(globalObject, object));
-}
-
-bool InternalWritableStream::locked() const
-{
-    auto* globalObject = this->globalObject();
-    if (!globalObject)
-        return false;
-
-    auto scope = DECLARE_CATCH_SCOPE(globalObject->vm());
-
-    auto* clientData = static_cast<JSVMClientData*>(globalObject->vm().clientData);
-    auto& privateName = clientData->builtinFunctions().writableStreamInternalsBuiltins().isWritableStreamLockedPrivateName();
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(guardedObject());
-    ASSERT(!arguments.hasOverflowed());
-
-    auto result = invokeWritableStreamFunction(*globalObject, privateName, arguments);
-    if (scope.exception())
-        scope.clearException();
-
-    return result.hasException() ? false : result.returnValue().isTrue();
-}
-
-void InternalWritableStream::lock()
-{
-    auto* globalObject = this->globalObject();
-    if (!globalObject)
-        return;
-
-    auto scope = DECLARE_CATCH_SCOPE(globalObject->vm());
-
-    auto* clientData = static_cast<JSVMClientData*>(globalObject->vm().clientData);
-    auto& privateName = clientData->builtinFunctions().writableStreamInternalsBuiltins().acquireWritableStreamDefaultWriterPrivateName();
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(guardedObject());
-    ASSERT(!arguments.hasOverflowed());
-
-    invokeWritableStreamFunction(*globalObject, privateName, arguments);
-    if (UNLIKELY(scope.exception()))
-        scope.clearException();
-}
-
-JSC::JSValue InternalWritableStream::abort(JSC::JSGlobalObject& globalObject, JSC::JSValue reason)
-{
-    auto* clientData = static_cast<JSVMClientData*>(globalObject.vm().clientData);
-    auto& privateName = clientData->builtinFunctions().writableStreamInternalsBuiltins().writableStreamAbortForBindingsPrivateName();
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(guardedObject());
-    arguments.append(reason);
-    ASSERT(!arguments.hasOverflowed());
-
-    auto result = invokeWritableStreamFunction(globalObject, privateName, arguments);
-    if (result.hasException())
-        return { };
-
-    return result.returnValue();
-}
-
-JSC::JSValue InternalWritableStream::close(JSC::JSGlobalObject& globalObject)
-{
-    auto* clientData = static_cast<JSVMClientData*>(globalObject.vm().clientData);
-    auto& privateName = clientData->builtinFunctions().writableStreamInternalsBuiltins().writableStreamCloseForBindingsPrivateName();
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(guardedObject());
-    ASSERT(!arguments.hasOverflowed());
-
-    auto result = invokeWritableStreamFunction(globalObject, privateName, arguments);
-    if (result.hasException())
-        return { };
-
-    return result.returnValue();
-}
-
-JSC::JSValue InternalWritableStream::getWriter(JSC::JSGlobalObject& globalObject)
-{
-    auto* clientData = static_cast<JSVMClientData*>(globalObject.vm().clientData);
-    auto& privateName = clientData->builtinFunctions().writableStreamInternalsBuiltins().acquireWritableStreamDefaultWriterPrivateName();
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(guardedObject());
-    ASSERT(!arguments.hasOverflowed());
-
-    auto result = invokeWritableStreamFunction(globalObject, privateName, arguments);
-    if (result.hasException())
-        return { };
-
-    return result.returnValue();
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/InternalWritableStream.h b/src/javascript/jsc/bindings/webcore/InternalWritableStream.h
deleted file mode 100644
index a768f959d..000000000
--- a/src/javascript/jsc/bindings/webcore/InternalWritableStream.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2020-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CANON INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ExceptionOr.h"
-#include "JSDOMGuardedObject.h"
-#include <JavaScriptCore/JSObject.h>
-
-namespace WebCore {
-class InternalWritableStream final : public DOMGuarded<JSC::JSObject> {
-public:
-    static ExceptionOr<Ref<InternalWritableStream>> createFromUnderlyingSink(JSDOMGlobalObject&, JSC::JSValue underlyingSink, JSC::JSValue strategy);
-    static Ref<InternalWritableStream> fromObject(JSDOMGlobalObject&, JSC::JSObject&);
-
-    operator JSC::JSValue() const { return guarded(); }
-
-    bool locked() const;
-    void lock();
-    JSC::JSValue abort(JSC::JSGlobalObject&, JSC::JSValue);
-    JSC::JSValue close(JSC::JSGlobalObject&);
-    JSC::JSValue getWriter(JSC::JSGlobalObject&);
-
-private:
-    InternalWritableStream(JSDOMGlobalObject& globalObject, JSC::JSObject& jsObject)
-        : DOMGuarded<JSC::JSObject>(globalObject, jsObject)
-    {
-    }
-};
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortAlgorithm.cpp b/src/javascript/jsc/bindings/webcore/JSAbortAlgorithm.cpp
deleted file mode 100644
index 81310bbd5..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortAlgorithm.cpp
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSAbortAlgorithm.h"
-
-#include "JSDOMConvertBase.h"
-#include "JSDOMExceptionHandling.h"
-#include "ScriptExecutionContext.h"
-
-namespace WebCore {
-using namespace JSC;
-
-JSAbortAlgorithm::JSAbortAlgorithm(VM& vm, JSObject* callback)
-    : AbortAlgorithm(jsCast<JSDOMGlobalObject*>(callback->globalObject())->scriptExecutionContext())
-    , m_data(new JSCallbackDataStrong(vm, callback, this))
-{
-}
-
-JSAbortAlgorithm::~JSAbortAlgorithm()
-{
-    ScriptExecutionContext* context = scriptExecutionContext();
-    // When the context is destroyed, all tasks with a reference to a callback
-    // should be deleted. So if the context is 0, we are on the context thread.
-    if (!context || context->isContextThread())
-        delete m_data;
-    else
-
-        context->postTask(new DeleteCallbackDataTask(m_data));
-#ifndef NDEBUG
-    m_data = nullptr;
-#endif
-}
-
-CallbackResult<typename IDLUndefined::ImplementationType> JSAbortAlgorithm::handleEvent()
-{
-    if (!canInvokeCallback())
-        return CallbackResultType::UnableToExecute;
-
-    Ref<JSAbortAlgorithm> protectedThis(*this);
-
-    auto& globalObject = *jsCast<JSDOMGlobalObject*>(m_data->callback()->globalObject());
-    auto& vm = globalObject.vm();
-
-    JSLockHolder lock(vm);
-    auto& lexicalGlobalObject = globalObject;
-    JSValue thisValue = jsUndefined();
-    MarkedArgumentBuffer args;
-    ASSERT(!args.hasOverflowed());
-
-    NakedPtr<JSC::Exception> returnedException;
-    m_data->invokeCallback(vm, thisValue, args, JSCallbackData::CallbackType::Function, Identifier(), returnedException);
-    if (returnedException) {
-        reportException(&lexicalGlobalObject, returnedException);
-        return CallbackResultType::ExceptionThrown;
-    }
-
-    return {};
-}
-
-JSC::JSValue toJS(AbortAlgorithm& impl)
-{
-    if (!static_cast<JSAbortAlgorithm&>(impl).callbackData())
-        return jsNull();
-
-    return static_cast<JSAbortAlgorithm&>(impl).callbackData()->callback();
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortAlgorithm.h b/src/javascript/jsc/bindings/webcore/JSAbortAlgorithm.h
deleted file mode 100644
index 9193ac7e6..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortAlgorithm.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "AbortAlgorithm.h"
-#include "IDLTypes.h"
-#include "JSCallbackData.h"
-#include <wtf/Forward.h>
-
-namespace WebCore {
-
-class JSAbortAlgorithm final : public AbortAlgorithm {
-public:
-    static Ref<JSAbortAlgorithm> create(JSC::VM& vm, JSC::JSObject* callback)
-    {
-        return adoptRef(*new JSAbortAlgorithm(vm, callback));
-    }
-
-    ScriptExecutionContext* scriptExecutionContext() const { return ContextDestructionObserver::scriptExecutionContext(); }
-
-    ~JSAbortAlgorithm() final;
-    JSCallbackDataStrong* callbackData() { return m_data; }
-
-    // Functions
-    CallbackResult<typename IDLUndefined::ImplementationType> handleEvent() override;
-
-private:
-    JSAbortAlgorithm(JSC::VM&, JSC::JSObject* callback);
-
-    JSCallbackDataStrong* m_data;
-};
-
-JSC::JSValue toJS(AbortAlgorithm&);
-inline JSC::JSValue toJS(AbortAlgorithm* impl) { return impl ? toJS(*impl) : JSC::jsNull(); }
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortController.cpp b/src/javascript/jsc/bindings/webcore/JSAbortController.cpp
deleted file mode 100644
index b2ba038e3..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortController.cpp
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSAbortController.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSAbortSignal.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include "JavaScriptCore/FunctionPrototype.h"
-#include "JavaScriptCore/HeapAnalyzer.h"
-
-#include "JavaScriptCore/JSDestructibleObjectHeapCellType.h"
-#include "JavaScriptCore/SlotVisitorMacros.h"
-#include "JavaScriptCore/SubspaceInlines.h"
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-#include "weak_handle.h"
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsAbortControllerPrototypeFunction_abort);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsAbortControllerConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsAbortController_signal);
-
-class JSAbortControllerPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSAbortControllerPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSAbortControllerPrototype* ptr = new (NotNull, JSC::allocateCell<JSAbortControllerPrototype>(vm)) JSAbortControllerPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSAbortControllerPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSAbortControllerPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSAbortControllerPrototype, JSAbortControllerPrototype::Base);
-
-using JSAbortControllerDOMConstructor = JSDOMConstructor<JSAbortController>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSAbortControllerDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSAbortControllerDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    auto* context = castedThis->scriptExecutionContext();
-    if (UNLIKELY(!context))
-        return throwConstructorScriptExecutionContextUnavailableError(*lexicalGlobalObject, throwScope, "AbortController");
-    auto object = AbortController::create(*context);
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<AbortController>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<AbortController>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSAbortControllerDOMConstructorConstruct, JSAbortControllerDOMConstructor::construct);
-
-template<> const ClassInfo JSAbortControllerDOMConstructor::s_info = { "AbortController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortControllerDOMConstructor) };
-
-template<> JSValue JSAbortControllerDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSAbortControllerDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "AbortController"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSAbortController::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSAbortControllerPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortControllerConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "signal"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortController_signal), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "abort"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortControllerPrototypeFunction_abort), (intptr_t)(0) } },
-};
-
-const ClassInfo JSAbortControllerPrototype::s_info = { "AbortController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortControllerPrototype) };
-
-void JSAbortControllerPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSAbortController::info(), JSAbortControllerPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSAbortController::s_info = { "AbortController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortController) };
-
-JSAbortController::JSAbortController(Structure* structure, JSDOMGlobalObject& globalObject, Ref<AbortController>&& impl)
-    : JSDOMWrapper<AbortController>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSAbortController::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, AbortController>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSAbortController::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSAbortControllerPrototype::create(vm, &globalObject, JSAbortControllerPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSAbortController::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSAbortController>(vm, globalObject);
-}
-
-JSValue JSAbortController::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSAbortControllerDOMConstructor, DOMConstructorID::AbortController>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSAbortController::destroy(JSC::JSCell* cell)
-{
-    JSAbortController* thisObject = static_cast<JSAbortController*>(cell);
-    thisObject->JSAbortController::~JSAbortController();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsAbortControllerConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSAbortControllerPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSAbortController::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsAbortController_signalGetter(JSGlobalObject& lexicalGlobalObject, JSAbortController& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLInterface<AbortSignal>>(lexicalGlobalObject, *thisObject.globalObject(), throwScope, impl.signal())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsAbortController_signal, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSAbortController>::get<jsAbortController_signalGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsAbortControllerPrototypeFunction_abortBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSAbortController>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    EnsureStillAliveScope argument0 = callFrame->argument(0);
-    auto reason = convert<IDLAny>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.abort(*jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), WTFMove(reason)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsAbortControllerPrototypeFunction_abort, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSAbortController>::call<jsAbortControllerPrototypeFunction_abortBody>(*lexicalGlobalObject, *callFrame, "abort");
-}
-
-JSC::GCClient::IsoSubspace* JSAbortController::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSAbortController, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForAbortController.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForAbortController = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForAbortController.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForAbortController = WTFMove(space); });
-}
-
-template<typename Visitor>
-void JSAbortController::visitChildrenImpl(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSAbortController*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    visitor.addOpaqueRoot(WTF::getPtr(thisObject->wrapped().signal()));
-}
-
-DEFINE_VISIT_CHILDREN(JSAbortController);
-
-void JSAbortController::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSAbortController*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSAbortControllerOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSAbortControllerOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsAbortController = static_cast<JSAbortController*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsAbortController->wrapped(), jsAbortController);
-}
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<AbortController>&& impl)
-{
-    return createWrapper<AbortController>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, AbortController& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-AbortController* JSAbortController::toWrapped(JSC::VM& vm, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSAbortController*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortController.dep b/src/javascript/jsc/bindings/webcore/JSAbortController.dep
deleted file mode 100644
index c62eba8ee..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortController.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSAbortController.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortController.h b/src/javascript/jsc/bindings/webcore/JSAbortController.h
deleted file mode 100644
index 7801a6207..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortController.h
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "root.h"
-
-#include "AbortController.h"
-#include "JSDOMWrapper.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSAbortController : public JSDOMWrapper<AbortController> {
-public:
-    using Base = JSDOMWrapper<AbortController>;
-    static JSAbortController* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<AbortController>&& impl)
-    {
-        JSAbortController* ptr = new (NotNull, JSC::allocateCell<JSAbortController>(globalObject->vm())) JSAbortController(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static AbortController* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    DECLARE_VISIT_CHILDREN;
-
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-protected:
-    JSAbortController(JSC::Structure*, JSDOMGlobalObject&, Ref<AbortController>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSAbortControllerOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, AbortController*)
-{
-    static NeverDestroyed<JSAbortControllerOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(AbortController* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, AbortController&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, AbortController* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<AbortController>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<AbortController>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<AbortController> {
-    using WrapperClass = JSAbortController;
-    using ToWrappedReturnType = AbortController*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortSignal.cpp b/src/javascript/jsc/bindings/webcore/JSAbortSignal.cpp
deleted file mode 100644
index bce823102..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortSignal.cpp
+++ /dev/null
@@ -1,424 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSAbortSignal.h"
-
-#include "ActiveDOMObject.h"
-#include "EventNames.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSAbortAlgorithm.h"
-#include "JSAbortSignal.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructorNotConstructable.h"
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertCallbacks.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "JSEventListener.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsAbortSignalConstructorFunction_whenSignalAborted);
-static JSC_DECLARE_HOST_FUNCTION(jsAbortSignalConstructorFunction_abort);
-static JSC_DECLARE_HOST_FUNCTION(jsAbortSignalConstructorFunction_timeout);
-static JSC_DECLARE_HOST_FUNCTION(jsAbortSignalPrototypeFunction_throwIfAborted);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsAbortSignalConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsAbortSignal_aborted);
-static JSC_DECLARE_CUSTOM_GETTER(jsAbortSignal_reason);
-static JSC_DECLARE_CUSTOM_GETTER(jsAbortSignal_onabort);
-static JSC_DECLARE_CUSTOM_SETTER(setJSAbortSignal_onabort);
-
-class JSAbortSignalPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSAbortSignalPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSAbortSignalPrototype* ptr = new (NotNull, JSC::allocateCell<JSAbortSignalPrototype>(vm)) JSAbortSignalPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSAbortSignalPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSAbortSignalPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSAbortSignalPrototype, JSAbortSignalPrototype::Base);
-
-using JSAbortSignalDOMConstructor = JSDOMConstructorNotConstructable<JSAbortSignal>;
-
-/* Hash table for constructor */
-
-static const HashTableValue JSAbortSignalConstructorTableValues[] = {
-    { "whenSignalAborted"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortSignalConstructorFunction_whenSignalAborted), (intptr_t)(2) } },
-    { "abort"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortSignalConstructorFunction_abort), (intptr_t)(0) } },
-    { "timeout"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortSignalConstructorFunction_timeout), (intptr_t)(1) } },
-};
-
-template<> const ClassInfo JSAbortSignalDOMConstructor::s_info = { "AbortSignal"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignalDOMConstructor) };
-
-template<> JSValue JSAbortSignalDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    return JSEventTarget::getConstructor(vm, &globalObject);
-}
-
-template<> void JSAbortSignalDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "AbortSignal"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSAbortSignal::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-    reifyStaticProperties(vm, JSAbortSignal::info(), JSAbortSignalConstructorTableValues, *this);
-    if (!(jsCast<JSDOMGlobalObject*>(&globalObject)->scriptExecutionContext()->isDocument() || jsCast<JSDOMGlobalObject*>(&globalObject)->scriptExecutionContext()->isWorkerGlobalScope())) {
-        auto propertyName = Identifier::fromString(vm, reinterpret_cast<const LChar*>("timeout"), strlen("timeout"));
-        VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
-        DeletePropertySlot slot;
-        JSObject::deleteProperty(this, &globalObject, propertyName, slot);
-    }
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSAbortSignalPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortSignalConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "aborted"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortSignal_aborted), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "reason"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortSignal_reason), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "onabort"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortSignal_onabort), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSAbortSignal_onabort) } },
-    { "throwIfAborted"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortSignalPrototypeFunction_throwIfAborted), (intptr_t)(0) } },
-};
-
-const ClassInfo JSAbortSignalPrototype::s_info = { "AbortSignal"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignalPrototype) };
-
-void JSAbortSignalPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSAbortSignal::info(), JSAbortSignalPrototypeTableValues, *this);
-    putDirect(vm, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().whenSignalAbortedPrivateName(), JSFunction::create(vm, globalObject(), 0, String(), jsAbortSignalConstructorFunction_whenSignalAborted), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSAbortSignal::s_info = { "AbortSignal"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignal) };
-
-JSAbortSignal::JSAbortSignal(Structure* structure, JSDOMGlobalObject& globalObject, Ref<AbortSignal>&& impl)
-    : JSEventTarget(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSAbortSignal::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-}
-
-JSObject* JSAbortSignal::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSAbortSignalPrototype::create(vm, &globalObject, JSAbortSignalPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject)));
-}
-
-JSObject* JSAbortSignal::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSAbortSignal>(vm, globalObject);
-}
-
-JSValue JSAbortSignal::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSAbortSignalDOMConstructor, DOMConstructorID::AbortSignal>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsAbortSignalConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSAbortSignalPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSAbortSignal::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsAbortSignal_abortedGetter(JSGlobalObject& lexicalGlobalObject, JSAbortSignal& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.aborted())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsAbortSignal_aborted, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSAbortSignal>::get<jsAbortSignal_abortedGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsAbortSignal_reasonGetter(JSGlobalObject& lexicalGlobalObject, JSAbortSignal& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLAny>(lexicalGlobalObject, throwScope, impl.reason())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsAbortSignal_reason, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSAbortSignal>::get<jsAbortSignal_reasonGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsAbortSignal_onabortGetter(JSGlobalObject& lexicalGlobalObject, JSAbortSignal& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    return eventHandlerAttribute(thisObject.wrapped(), eventNames().abortEvent, worldForDOMObject(thisObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsAbortSignal_onabort, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSAbortSignal>::get<jsAbortSignal_onabortGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSAbortSignal_onabortSetter(JSGlobalObject& lexicalGlobalObject, JSAbortSignal& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    setEventHandlerAttribute<JSEventListener>(thisObject.wrapped(), eventNames().abortEvent, value, thisObject);
-    vm.writeBarrier(&thisObject, value);
-    ensureStillAliveHere(value);
-
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSAbortSignal_onabort, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSAbortSignal>::set<setJSAbortSignal_onabortSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsAbortSignalConstructorFunction_whenSignalAbortedBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    if (UNLIKELY(callFrame->argumentCount() < 2))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto object = convert<IDLInterface<AbortSignal>>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 0, "object", "AbortSignal", "whenSignalAborted", "AbortSignal"); });
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto algorithm = convert<IDLCallbackFunction<JSAbortAlgorithm>>(*lexicalGlobalObject, argument1.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentMustBeFunctionError(lexicalGlobalObject, scope, 1, "algorithm", "AbortSignal", "whenSignalAborted"); });
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLBoolean>(*lexicalGlobalObject, throwScope, AbortSignal::whenSignalAborted(*object, algorithm.releaseNonNull()))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsAbortSignalConstructorFunction_whenSignalAborted, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSAbortSignal>::callStatic<jsAbortSignalConstructorFunction_whenSignalAbortedBody, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, *callFrame, "whenSignalAborted");
-}
-
-static inline JSC::EncodedJSValue jsAbortSignalConstructorFunction_abortBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext();
-    if (UNLIKELY(!context))
-        return JSValue::encode(jsUndefined());
-    EnsureStillAliveScope argument0 = callFrame->argument(0);
-    auto reason = convert<IDLAny>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJSNewlyCreated<IDLInterface<AbortSignal>>(*lexicalGlobalObject, *jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), throwScope, AbortSignal::abort(*jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), *context, WTFMove(reason)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsAbortSignalConstructorFunction_abort, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSAbortSignal>::callStatic<jsAbortSignalConstructorFunction_abortBody>(*lexicalGlobalObject, *callFrame, "abort");
-}
-
-static inline JSC::EncodedJSValue jsAbortSignalConstructorFunction_timeoutBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    auto* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext();
-    if (UNLIKELY(!context))
-        return JSValue::encode(jsUndefined());
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto milliseconds = convert<IDLEnforceRangeAdaptor<IDLUnsignedLongLong>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJSNewlyCreated<IDLInterface<AbortSignal>>(*lexicalGlobalObject, *jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), throwScope, AbortSignal::timeout(*context, WTFMove(milliseconds)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsAbortSignalConstructorFunction_timeout, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSAbortSignal>::callStatic<jsAbortSignalConstructorFunction_timeoutBody>(*lexicalGlobalObject, *callFrame, "timeout");
-}
-
-static inline JSC::EncodedJSValue jsAbortSignalPrototypeFunction_throwIfAbortedBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSAbortSignal>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.throwIfAborted(*jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsAbortSignalPrototypeFunction_throwIfAborted, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSAbortSignal>::call<jsAbortSignalPrototypeFunction_throwIfAbortedBody>(*lexicalGlobalObject, *callFrame, "throwIfAborted");
-}
-
-JSC::GCClient::IsoSubspace* JSAbortSignal::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSAbortSignal, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForAbortSignal.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForAbortSignal = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForAbortSignal.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForAbortSignal = WTFMove(space); });
-}
-
-template<typename Visitor>
-void JSAbortSignal::visitChildrenImpl(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSAbortSignal*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-DEFINE_VISIT_CHILDREN(JSAbortSignal);
-
-template<typename Visitor>
-void JSAbortSignal::visitOutputConstraints(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSAbortSignal*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitOutputConstraints(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-template void JSAbortSignal::visitOutputConstraints(JSCell*, AbstractSlotVisitor&);
-template void JSAbortSignal::visitOutputConstraints(JSCell*, SlotVisitor&);
-void JSAbortSignal::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSAbortSignal*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-void JSAbortSignalOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsAbortSignal = static_cast<JSAbortSignal*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsAbortSignal->wrapped(), jsAbortSignal);
-}
-
-#if ENABLE(BINDING_INTEGRITY)
-#if PLATFORM(WIN)
-#pragma warning(disable : 4483)
-extern "C" {
-extern void (*const __identifier("??_7AbortSignal@WebCore@@6B@")[])();
-}
-#else
-extern "C" {
-extern void* _ZTVN7WebCore11AbortSignalE[];
-}
-#endif
-#endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<AbortSignal>&& impl)
-{
-
-    if constexpr (std::is_polymorphic_v<AbortSignal>) {
-#if ENABLE(BINDING_INTEGRITY)
-        const void* actualVTablePointer = getVTablePointer(impl.ptr());
-#if PLATFORM(WIN)
-        void* expectedVTablePointer = __identifier("??_7AbortSignal@WebCore@@6B@");
-#else
-        void* expectedVTablePointer = &_ZTVN7WebCore11AbortSignalE[2];
-#endif
-
-        // If you hit this assertion you either have a use after free bug, or
-        // AbortSignal has subclasses. If AbortSignal has subclasses that get passed
-        // to toJS() we currently require AbortSignal you to opt out of binding hardening
-        // by adding the SkipVTableValidation attribute to the interface IDL definition
-        RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-#endif
-    }
-    return createWrapper<AbortSignal>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, AbortSignal& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-AbortSignal* JSAbortSignal::toWrapped(JSC::VM& vm, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSAbortSignal*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortSignal.dep b/src/javascript/jsc/bindings/webcore/JSAbortSignal.dep
deleted file mode 100644
index ae214b504..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortSignal.dep
+++ /dev/null
@@ -1,2 +0,0 @@
-JSAbortSignal.h : EventTarget.idl
-EventTarget.idl :
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortSignal.h b/src/javascript/jsc/bindings/webcore/JSAbortSignal.h
deleted file mode 100644
index afca5f42c..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortSignal.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "AbortSignal.h"
-#include "JSDOMWrapper.h"
-#include "JSEventTarget.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSAbortSignal : public JSEventTarget {
-public:
-    using Base = JSEventTarget;
-    using DOMWrapped = AbortSignal;
-    static JSAbortSignal* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<AbortSignal>&& impl)
-    {
-        JSAbortSignal* ptr = new (NotNull, JSC::allocateCell<JSAbortSignal>(globalObject->vm())) JSAbortSignal(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static AbortSignal* toWrapped(JSC::VM&, JSC::JSValue);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    DECLARE_VISIT_CHILDREN;
-    template<typename Visitor> void visitAdditionalChildren(Visitor&);
-
-    template<typename Visitor> static void visitOutputConstraints(JSCell*, Visitor&);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-    AbortSignal& wrapped() const
-    {
-        return static_cast<AbortSignal&>(Base::wrapped());
-    }
-protected:
-    JSAbortSignal(JSC::Structure*, JSDOMGlobalObject&, Ref<AbortSignal>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSAbortSignalOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, AbortSignal*)
-{
-    static NeverDestroyed<JSAbortSignalOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(AbortSignal* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, AbortSignal&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, AbortSignal* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<AbortSignal>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<AbortSignal>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<AbortSignal> {
-    using WrapperClass = JSAbortSignal;
-    using ToWrappedReturnType = AbortSignal*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSAbortSignalCustom.cpp b/src/javascript/jsc/bindings/webcore/JSAbortSignalCustom.cpp
deleted file mode 100644
index bc3bab081..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAbortSignalCustom.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (C) 2019-2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSDOMWrapper.h"
-#include "wtf/NeverDestroyed.h"
-#include "JSAbortSignal.h"
-
-namespace WebCore {
-
-bool JSAbortSignalOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, JSC::AbstractSlotVisitor& visitor, const char** reason)
-{
-    auto& abortSignal = JSC::jsCast<JSAbortSignal*>(handle.slot()->asCell())->wrapped();
-    if (abortSignal.isFiringEventListeners()) {
-        if (UNLIKELY(reason))
-            *reason = "EventTarget firing event listeners";
-        return true;
-    }
-
-    if (abortSignal.aborted())
-        return false;
-
-    if (abortSignal.isFollowingSignal())
-        return true;
-
-    if (abortSignal.hasAbortEventListener() && abortSignal.hasActiveTimeoutTimer())
-        return true;
-
-    return visitor.containsOpaqueRoot(&abortSignal);
-}
-
-template<typename Visitor>
-void JSAbortSignal::visitAdditionalChildren(Visitor& visitor)
-{
-    wrapped().reason().visit(visitor);
-}
-
-DEFINE_VISIT_ADDITIONAL_CHILDREN(JSAbortSignal);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.cpp b/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.cpp
deleted file mode 100644
index 6ef60b2a3..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.cpp
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSAddEventListenerOptions.h"
-
-#include "JSAbortSignal.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include <JavaScriptCore/JSCInlines.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<> AddEventListenerOptions convertDictionary<AddEventListenerOptions>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    AddEventListenerOptions result;
-    JSValue captureValue;
-    if (isNullOrUndefined)
-        captureValue = jsUndefined();
-    else {
-        captureValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "capture"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!captureValue.isUndefined()) {
-        result.capture = convert<IDLBoolean>(lexicalGlobalObject, captureValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.capture = false;
-    JSValue onceValue;
-    if (isNullOrUndefined)
-        onceValue = jsUndefined();
-    else {
-        onceValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "once"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!onceValue.isUndefined()) {
-        result.once = convert<IDLBoolean>(lexicalGlobalObject, onceValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.once = false;
-    JSValue passiveValue;
-    if (isNullOrUndefined)
-        passiveValue = jsUndefined();
-    else {
-        passiveValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "passive"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!passiveValue.isUndefined()) {
-        result.passive = convert<IDLBoolean>(lexicalGlobalObject, passiveValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    JSValue signalValue;
-    if (isNullOrUndefined)
-        signalValue = jsUndefined();
-    else {
-        signalValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "signal"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!signalValue.isUndefined()) {
-        result.signal = convert<IDLInterface<AbortSignal>>(lexicalGlobalObject, signalValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    return result;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.dep b/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.dep
deleted file mode 100644
index da4d55f61..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.dep
+++ /dev/null
@@ -1,2 +0,0 @@
-AddEventListenerOptions.h : EventListenerOptions.idl
-EventListenerOptions.idl :
diff --git a/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.h b/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.h
deleted file mode 100644
index 77b1ca7ed..000000000
--- a/src/javascript/jsc/bindings/webcore/JSAddEventListenerOptions.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "AddEventListenerOptions.h"
-#include "JSDOMConvertDictionary.h"
-
-namespace WebCore {
-
-template<> AddEventListenerOptions convertDictionary<AddEventListenerOptions>(JSC::JSGlobalObject&, JSC::JSValue);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.cpp b/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.cpp
deleted file mode 100644
index d0e02a447..000000000
--- a/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSByteLengthQueuingStrategy.h"
-
-#include "ByteLengthQueuingStrategyBuiltins.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsByteLengthQueuingStrategyConstructor);
-
-class JSByteLengthQueuingStrategyPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSByteLengthQueuingStrategyPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSByteLengthQueuingStrategyPrototype* ptr = new (NotNull, JSC::allocateCell<JSByteLengthQueuingStrategyPrototype>(vm)) JSByteLengthQueuingStrategyPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSByteLengthQueuingStrategyPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSByteLengthQueuingStrategyPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSByteLengthQueuingStrategyPrototype, JSByteLengthQueuingStrategyPrototype::Base);
-
-using JSByteLengthQueuingStrategyDOMConstructor = JSDOMBuiltinConstructor<JSByteLengthQueuingStrategy>;
-
-template<> const ClassInfo JSByteLengthQueuingStrategyDOMConstructor::s_info = { "ByteLengthQueuingStrategy"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSByteLengthQueuingStrategyDOMConstructor) };
-
-template<> JSValue JSByteLengthQueuingStrategyDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSByteLengthQueuingStrategyDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "ByteLengthQueuingStrategy"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSByteLengthQueuingStrategy::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSByteLengthQueuingStrategyDOMConstructor::initializeExecutable(VM& vm)
-{
-    return byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSByteLengthQueuingStrategyPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsByteLengthQueuingStrategyConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "highWaterMark"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(byteLengthQueuingStrategyHighWaterMarkCodeGenerator), (intptr_t) (0) } },
-    { "size"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(byteLengthQueuingStrategySizeCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSByteLengthQueuingStrategyPrototype::s_info = { "ByteLengthQueuingStrategy"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSByteLengthQueuingStrategyPrototype) };
-
-void JSByteLengthQueuingStrategyPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSByteLengthQueuingStrategy::info(), JSByteLengthQueuingStrategyPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSByteLengthQueuingStrategy::s_info = { "ByteLengthQueuingStrategy"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSByteLengthQueuingStrategy) };
-
-JSByteLengthQueuingStrategy::JSByteLengthQueuingStrategy(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSByteLengthQueuingStrategy::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSByteLengthQueuingStrategy::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSByteLengthQueuingStrategyPrototype::create(vm, &globalObject, JSByteLengthQueuingStrategyPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSByteLengthQueuingStrategy::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSByteLengthQueuingStrategy>(vm, globalObject);
-}
-
-JSValue JSByteLengthQueuingStrategy::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSByteLengthQueuingStrategyDOMConstructor, DOMConstructorID::ByteLengthQueuingStrategy>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSByteLengthQueuingStrategy::destroy(JSC::JSCell* cell)
-{
-    JSByteLengthQueuingStrategy* thisObject = static_cast<JSByteLengthQueuingStrategy*>(cell);
-    thisObject->JSByteLengthQueuingStrategy::~JSByteLengthQueuingStrategy();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsByteLengthQueuingStrategyConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSByteLengthQueuingStrategyPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSByteLengthQueuingStrategy::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSByteLengthQueuingStrategy::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSByteLengthQueuingStrategy, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForByteLengthQueuingStrategy.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForByteLengthQueuingStrategy = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForByteLengthQueuingStrategy.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForByteLengthQueuingStrategy = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.dep b/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.dep
deleted file mode 100644
index 0b697d758..000000000
--- a/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSByteLengthQueuingStrategy.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.h b/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.h
deleted file mode 100644
index 75d528814..000000000
--- a/src/javascript/jsc/bindings/webcore/JSByteLengthQueuingStrategy.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSByteLengthQueuingStrategy : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSByteLengthQueuingStrategy* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSByteLengthQueuingStrategy* ptr = new (NotNull, JSC::allocateCell<JSByteLengthQueuingStrategy>(globalObject->vm())) JSByteLengthQueuingStrategy(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSByteLengthQueuingStrategy(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSCallbackData.cpp b/src/javascript/jsc/bindings/webcore/JSCallbackData.cpp
deleted file mode 100644
index 671f168f7..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCallbackData.cpp
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * Copyright (C) 2007-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#include "ZigGlobalObject.h"
-
-#include "JSCallbackData.h"
-
-#include "JSDOMBinding.h"
-// #include "JSExecState.h"
-// #include "JSExecStateInstrumentation.h"
-#include <JavaScriptCore/Exception.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// https://webidl.spec.whatwg.org/#call-a-user-objects-operation
-JSValue JSCallbackData::invokeCallback(VM& vm, JSObject* callback, JSValue thisValue, MarkedArgumentBuffer& args, CallbackType method, PropertyName functionName, NakedPtr<JSC::Exception>& returnedException)
-{
-    ASSERT(callback);
-
-    // https://webidl.spec.whatwg.org/#ref-for-prepare-to-run-script makes callback's [[Realm]] a running JavaScript execution context,
-    // which is used for creating TypeError objects: https://tc39.es/ecma262/#sec-ecmascript-function-objects-call-thisargument-argumentslist (step 4).
-    JSGlobalObject* lexicalGlobalObject = callback->globalObject();
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-
-    JSValue function;
-    CallData callData;
-
-    if (method != CallbackType::Object) {
-        function = callback;
-        callData = getCallData(callback);
-    }
-    if (callData.type == CallData::Type::None) {
-        if (method == CallbackType::Function) {
-            returnedException = JSC::Exception::create(vm, createTypeError(lexicalGlobalObject));
-            return JSValue();
-        }
-
-        ASSERT(!functionName.isNull());
-        function = callback->get(lexicalGlobalObject, functionName);
-        if (UNLIKELY(scope.exception())) {
-            returnedException = scope.exception();
-            scope.clearException();
-            return JSValue();
-        }
-
-        callData = getCallData(function);
-        if (callData.type == CallData::Type::None) {
-            returnedException = JSC::Exception::create(vm, createTypeError(lexicalGlobalObject, makeString("'", String(functionName.uid()), "' property of callback interface should be callable")));
-            return JSValue();
-        }
-
-        thisValue = callback;
-    }
-
-    ASSERT(!function.isEmpty());
-    ASSERT(callData.type != CallData::Type::None);
-
-    ScriptExecutionContext* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext();
-    // We will fail to get the context if the frame has been detached.
-    if (!context)
-        return JSValue();
-
-    // JSExecState::instrumentFunction(context, callData);
-
-    returnedException = nullptr;
-    JSValue result = JSC::profiledCall(lexicalGlobalObject, JSC::ProfilingReason::Other, function, callData, thisValue, args, returnedException);
-
-    // InspectorInstrumentation::didCallFunction(context);
-
-    return result;
-}
-
-template<typename Visitor>
-void JSCallbackDataWeak::visitJSFunction(Visitor& visitor)
-{
-    visitor.append(m_callback);
-}
-
-template void JSCallbackDataWeak::visitJSFunction(JSC::AbstractSlotVisitor&);
-template void JSCallbackDataWeak::visitJSFunction(JSC::SlotVisitor&);
-
-bool JSCallbackDataWeak::WeakOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, AbstractSlotVisitor& visitor, const char** reason)
-{
-    if (UNLIKELY(reason))
-        *reason = "Context is opaque root"; // FIXME: what is the context.
-    return visitor.containsOpaqueRoot(context);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSCallbackData.h b/src/javascript/jsc/bindings/webcore/JSCallbackData.h
deleted file mode 100644
index ddfaf6e39..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCallbackData.h
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * Copyright (C) 2007-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMBinding.h"
-#include "ScriptExecutionContext.h"
-#include <JavaScriptCore/JSObject.h>
-#include <JavaScriptCore/Strong.h>
-#include <JavaScriptCore/StrongInlines.h>
-#include <wtf/Threading.h>
-
-namespace WebCore {
-
-// We have to clean up this data on the context thread because unprotecting a
-// JSObject on the wrong thread without synchronization would corrupt the heap
-// (and synchronization would be slow).
-
-class JSCallbackData {
-    WTF_MAKE_FAST_ALLOCATED;
-
-public:
-    enum class CallbackType { Function,
-        Object,
-        FunctionOrObject };
-
-    WEBCORE_EXPORT static JSC::JSValue invokeCallback(JSC::VM&, JSC::JSObject* callback, JSC::JSValue thisValue, JSC::MarkedArgumentBuffer&, CallbackType, JSC::PropertyName functionName, NakedPtr<JSC::Exception>& returnedException);
-
-protected:
-    explicit JSCallbackData() = default;
-
-    ~JSCallbackData()
-    {
-#if !PLATFORM(IOS_FAMILY)
-        ASSERT(m_thread.ptr() == &Thread::current());
-#endif
-    }
-
-private:
-#if ASSERT_ENABLED
-    Ref<Thread> m_thread { Thread::current() };
-#endif
-};
-
-class JSCallbackDataStrong : public JSCallbackData {
-public:
-    JSCallbackDataStrong(JSC::VM& vm, JSC::JSObject* callback, void* = nullptr)
-        : m_callback(vm, callback)
-    {
-    }
-
-    JSC::JSObject* callback() { return m_callback.get(); }
-
-    JSC::JSValue invokeCallback(JSC::VM& vm, JSC::JSValue thisValue, JSC::MarkedArgumentBuffer& args, CallbackType callbackType, JSC::PropertyName functionName, NakedPtr<JSC::Exception>& returnedException)
-    {
-        return JSCallbackData::invokeCallback(vm, callback(), thisValue, args, callbackType, functionName, returnedException);
-    }
-
-private:
-    JSC::Strong<JSC::JSObject> m_callback;
-};
-
-class JSCallbackDataWeak : public JSCallbackData {
-public:
-    JSCallbackDataWeak(JSC::VM&, JSC::JSObject* callback, void* owner)
-        : m_callback(callback, &m_weakOwner, owner)
-    {
-    }
-
-    JSC::JSObject* callback() { return m_callback.get(); }
-
-    JSC::JSValue invokeCallback(JSC::VM& vm, JSC::JSValue thisValue, JSC::MarkedArgumentBuffer& args, CallbackType callbackType, JSC::PropertyName functionName, NakedPtr<JSC::Exception>& returnedException)
-    {
-        return JSCallbackData::invokeCallback(vm, callback(), thisValue, args, callbackType, functionName, returnedException);
-    }
-
-    template<typename Visitor> void visitJSFunction(Visitor&);
-
-private:
-    class WeakOwner : public JSC::WeakHandleOwner {
-        bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) override;
-    };
-    WeakOwner m_weakOwner;
-    JSC::Weak<JSC::JSObject> m_callback;
-};
-
-class DeleteCallbackDataTask : public EventLoopTask {
-public:
-    template<typename CallbackDataType>
-    explicit DeleteCallbackDataTask(CallbackDataType* data)
-        : EventLoopTask(EventLoopTask::CleanupTask, [data](ScriptExecutionContext&) mutable {
-            delete data;
-        })
-    {
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSCloseEvent.cpp b/src/javascript/jsc/bindings/webcore/JSCloseEvent.cpp
deleted file mode 100644
index 6c86ed3b3..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCloseEvent.cpp
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSCloseEvent.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<> CloseEvent::Init convertDictionary<CloseEvent::Init>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    CloseEvent::Init result;
-    JSValue bubblesValue;
-    if (isNullOrUndefined)
-        bubblesValue = jsUndefined();
-    else {
-        bubblesValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "bubbles"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!bubblesValue.isUndefined()) {
-        result.bubbles = convert<IDLBoolean>(lexicalGlobalObject, bubblesValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.bubbles = false;
-    JSValue cancelableValue;
-    if (isNullOrUndefined)
-        cancelableValue = jsUndefined();
-    else {
-        cancelableValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "cancelable"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!cancelableValue.isUndefined()) {
-        result.cancelable = convert<IDLBoolean>(lexicalGlobalObject, cancelableValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.cancelable = false;
-    JSValue composedValue;
-    if (isNullOrUndefined)
-        composedValue = jsUndefined();
-    else {
-        composedValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "composed"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!composedValue.isUndefined()) {
-        result.composed = convert<IDLBoolean>(lexicalGlobalObject, composedValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.composed = false;
-    JSValue codeValue;
-    if (isNullOrUndefined)
-        codeValue = jsUndefined();
-    else {
-        codeValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "code"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!codeValue.isUndefined()) {
-        result.code = convert<IDLUnsignedShort>(lexicalGlobalObject, codeValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.code = 0;
-    JSValue reasonValue;
-    if (isNullOrUndefined)
-        reasonValue = jsUndefined();
-    else {
-        reasonValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "reason"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!reasonValue.isUndefined()) {
-        result.reason = convert<IDLUSVString>(lexicalGlobalObject, reasonValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.reason = emptyString();
-    JSValue wasCleanValue;
-    if (isNullOrUndefined)
-        wasCleanValue = jsUndefined();
-    else {
-        wasCleanValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "wasClean"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!wasCleanValue.isUndefined()) {
-        result.wasClean = convert<IDLBoolean>(lexicalGlobalObject, wasCleanValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.wasClean = false;
-    return result;
-}
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsCloseEventConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsCloseEvent_wasClean);
-static JSC_DECLARE_CUSTOM_GETTER(jsCloseEvent_code);
-static JSC_DECLARE_CUSTOM_GETTER(jsCloseEvent_reason);
-
-class JSCloseEventPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSCloseEventPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSCloseEventPrototype* ptr = new (NotNull, JSC::allocateCell<JSCloseEventPrototype>(vm)) JSCloseEventPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSCloseEventPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSCloseEventPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSCloseEventPrototype, JSCloseEventPrototype::Base);
-
-using JSCloseEventDOMConstructor = JSDOMConstructor<JSCloseEvent>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSCloseEventDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSCloseEventDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto eventInitDict = convert<IDLDictionary<CloseEvent::Init>>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = CloseEvent::create(WTFMove(type), WTFMove(eventInitDict));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<CloseEvent>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<CloseEvent>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSCloseEventDOMConstructorConstruct, JSCloseEventDOMConstructor::construct);
-
-template<> const ClassInfo JSCloseEventDOMConstructor::s_info = { "CloseEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCloseEventDOMConstructor) };
-
-template<> JSValue JSCloseEventDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    return JSEvent::getConstructor(vm, &globalObject);
-}
-
-template<> void JSCloseEventDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "CloseEvent"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSCloseEvent::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSCloseEventPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsCloseEventConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "wasClean"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsCloseEvent_wasClean), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "code"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsCloseEvent_code), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "reason"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsCloseEvent_reason), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-};
-
-const ClassInfo JSCloseEventPrototype::s_info = { "CloseEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCloseEventPrototype) };
-
-void JSCloseEventPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSCloseEvent::info(), JSCloseEventPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSCloseEvent::s_info = { "CloseEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCloseEvent) };
-
-JSCloseEvent::JSCloseEvent(Structure* structure, JSDOMGlobalObject& globalObject, Ref<CloseEvent>&& impl)
-    : JSEvent(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSCloseEvent::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, CloseEvent>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSCloseEvent::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSCloseEventPrototype::create(vm, &globalObject, JSCloseEventPrototype::createStructure(vm, &globalObject, JSEvent::prototype(vm, globalObject)));
-}
-
-JSObject* JSCloseEvent::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSCloseEvent>(vm, globalObject);
-}
-
-JSValue JSCloseEvent::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSCloseEventDOMConstructor, DOMConstructorID::CloseEvent>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsCloseEventConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSCloseEventPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSCloseEvent::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsCloseEvent_wasCleanGetter(JSGlobalObject& lexicalGlobalObject, JSCloseEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.wasClean())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsCloseEvent_wasClean, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSCloseEvent>::get<jsCloseEvent_wasCleanGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsCloseEvent_codeGetter(JSGlobalObject& lexicalGlobalObject, JSCloseEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUnsignedShort>(lexicalGlobalObject, throwScope, impl.code())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsCloseEvent_code, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSCloseEvent>::get<jsCloseEvent_codeGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsCloseEvent_reasonGetter(JSGlobalObject& lexicalGlobalObject, JSCloseEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.reason())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsCloseEvent_reason, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSCloseEvent>::get<jsCloseEvent_reasonGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-JSC::GCClient::IsoSubspace* JSCloseEvent::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSCloseEvent, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForCloseEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForCloseEvent = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForCloseEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForCloseEvent = WTFMove(space); });
-}
-
-void JSCloseEvent::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSCloseEvent*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-#if ENABLE(BINDING_INTEGRITY)
-#if PLATFORM(WIN)
-#pragma warning(disable : 4483)
-extern "C" {
-extern void (*const __identifier("??_7CloseEvent@WebCore@@6B@")[])();
-}
-#else
-extern "C" {
-extern void* _ZTVN7WebCore10CloseEventE[];
-}
-#endif
-#endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<CloseEvent>&& impl)
-{
-
-    if constexpr (std::is_polymorphic_v<CloseEvent>) {
-#if ENABLE(BINDING_INTEGRITY)
-        const void* actualVTablePointer = getVTablePointer(impl.ptr());
-#if PLATFORM(WIN)
-        void* expectedVTablePointer = __identifier("??_7CloseEvent@WebCore@@6B@");
-#else
-        void* expectedVTablePointer = &_ZTVN7WebCore10CloseEventE[2];
-#endif
-
-        // If you hit this assertion you either have a use after free bug, or
-        // CloseEvent has subclasses. If CloseEvent has subclasses that get passed
-        // to toJS() we currently require CloseEvent you to opt out of binding hardening
-        // by adding the SkipVTableValidation attribute to the interface IDL definition
-        RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-#endif
-    }
-    return createWrapper<CloseEvent>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, CloseEvent& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSCloseEvent.dep b/src/javascript/jsc/bindings/webcore/JSCloseEvent.dep
deleted file mode 100644
index 25edceaab..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCloseEvent.dep
+++ /dev/null
@@ -1,3 +0,0 @@
-JSCloseEvent.h : Event.idl EventInit.idl
-Event.idl :
-EventInit.idl :
diff --git a/src/javascript/jsc/bindings/webcore/JSCloseEvent.h b/src/javascript/jsc/bindings/webcore/JSCloseEvent.h
deleted file mode 100644
index d7f25493b..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCloseEvent.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "CloseEvent.h"
-#include "JSDOMConvertDictionary.h"
-#include "JSDOMWrapper.h"
-#include "JSEvent.h"
-
-namespace WebCore {
-
-class JSCloseEvent : public JSEvent {
-public:
-    using Base = JSEvent;
-    using DOMWrapped = CloseEvent;
-    static JSCloseEvent* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<CloseEvent>&& impl)
-    {
-        JSCloseEvent* ptr = new (NotNull, JSC::allocateCell<JSCloseEvent>(globalObject->vm())) JSCloseEvent(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSEventType), StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-    CloseEvent& wrapped() const
-    {
-        return static_cast<CloseEvent&>(Base::wrapped());
-    }
-protected:
-    JSCloseEvent(JSC::Structure*, JSDOMGlobalObject&, Ref<CloseEvent>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, CloseEvent&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, CloseEvent* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<CloseEvent>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<CloseEvent>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<CloseEvent> {
-    using WrapperClass = JSCloseEvent;
-    using ToWrappedReturnType = CloseEvent*;
-};
-template<> CloseEvent::Init convertDictionary<CloseEvent::Init>(JSC::JSGlobalObject&, JSC::JSValue);
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.cpp b/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.cpp
deleted file mode 100644
index 286897c2d..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSCountQueuingStrategy.h"
-
-#include "CountQueuingStrategyBuiltins.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsCountQueuingStrategyConstructor);
-
-class JSCountQueuingStrategyPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSCountQueuingStrategyPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSCountQueuingStrategyPrototype* ptr = new (NotNull, JSC::allocateCell<JSCountQueuingStrategyPrototype>(vm)) JSCountQueuingStrategyPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSCountQueuingStrategyPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSCountQueuingStrategyPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSCountQueuingStrategyPrototype, JSCountQueuingStrategyPrototype::Base);
-
-using JSCountQueuingStrategyDOMConstructor = JSDOMBuiltinConstructor<JSCountQueuingStrategy>;
-
-template<> const ClassInfo JSCountQueuingStrategyDOMConstructor::s_info = { "CountQueuingStrategy"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCountQueuingStrategyDOMConstructor) };
-
-template<> JSValue JSCountQueuingStrategyDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSCountQueuingStrategyDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "CountQueuingStrategy"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSCountQueuingStrategy::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSCountQueuingStrategyDOMConstructor::initializeExecutable(VM& vm)
-{
-    return countQueuingStrategyInitializeCountQueuingStrategyCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSCountQueuingStrategyPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsCountQueuingStrategyConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "highWaterMark"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(countQueuingStrategyHighWaterMarkCodeGenerator), (intptr_t) (0) } },
-    { "size"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(countQueuingStrategySizeCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSCountQueuingStrategyPrototype::s_info = { "CountQueuingStrategy"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCountQueuingStrategyPrototype) };
-
-void JSCountQueuingStrategyPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSCountQueuingStrategy::info(), JSCountQueuingStrategyPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSCountQueuingStrategy::s_info = { "CountQueuingStrategy"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCountQueuingStrategy) };
-
-JSCountQueuingStrategy::JSCountQueuingStrategy(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSCountQueuingStrategy::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSCountQueuingStrategy::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSCountQueuingStrategyPrototype::create(vm, &globalObject, JSCountQueuingStrategyPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSCountQueuingStrategy::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSCountQueuingStrategy>(vm, globalObject);
-}
-
-JSValue JSCountQueuingStrategy::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSCountQueuingStrategyDOMConstructor, DOMConstructorID::CountQueuingStrategy>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSCountQueuingStrategy::destroy(JSC::JSCell* cell)
-{
-    JSCountQueuingStrategy* thisObject = static_cast<JSCountQueuingStrategy*>(cell);
-    thisObject->JSCountQueuingStrategy::~JSCountQueuingStrategy();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsCountQueuingStrategyConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSCountQueuingStrategyPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSCountQueuingStrategy::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSCountQueuingStrategy::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSCountQueuingStrategy, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForCountQueuingStrategy.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForCountQueuingStrategy = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForCountQueuingStrategy.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForCountQueuingStrategy = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.dep b/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.dep
deleted file mode 100644
index 413363a34..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSCountQueuingStrategy.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.h b/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.h
deleted file mode 100644
index 0cd89d4fc..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCountQueuingStrategy.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSCountQueuingStrategy : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSCountQueuingStrategy* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSCountQueuingStrategy* ptr = new (NotNull, JSC::allocateCell<JSCountQueuingStrategy>(globalObject->vm())) JSCountQueuingStrategy(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSCountQueuingStrategy(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSCustomEvent.cpp b/src/javascript/jsc/bindings/webcore/JSCustomEvent.cpp
deleted file mode 100644
index 383688c42..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCustomEvent.cpp
+++ /dev/null
@@ -1,380 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSCustomEvent.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<> CustomEvent::Init convertDictionary<CustomEvent::Init>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    CustomEvent::Init result;
-    JSValue bubblesValue;
-    if (isNullOrUndefined)
-        bubblesValue = jsUndefined();
-    else {
-        bubblesValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "bubbles"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!bubblesValue.isUndefined()) {
-        result.bubbles = convert<IDLBoolean>(lexicalGlobalObject, bubblesValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.bubbles = false;
-    JSValue cancelableValue;
-    if (isNullOrUndefined)
-        cancelableValue = jsUndefined();
-    else {
-        cancelableValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "cancelable"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!cancelableValue.isUndefined()) {
-        result.cancelable = convert<IDLBoolean>(lexicalGlobalObject, cancelableValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.cancelable = false;
-    JSValue composedValue;
-    if (isNullOrUndefined)
-        composedValue = jsUndefined();
-    else {
-        composedValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "composed"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!composedValue.isUndefined()) {
-        result.composed = convert<IDLBoolean>(lexicalGlobalObject, composedValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.composed = false;
-    JSValue detailValue;
-    if (isNullOrUndefined)
-        detailValue = jsUndefined();
-    else {
-        detailValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "detail"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!detailValue.isUndefined()) {
-        result.detail = convert<IDLAny>(lexicalGlobalObject, detailValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.detail = jsNull();
-    return result;
-}
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsCustomEventPrototypeFunction_initCustomEvent);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsCustomEventConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsCustomEvent_detail);
-
-class JSCustomEventPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSCustomEventPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSCustomEventPrototype* ptr = new (NotNull, JSC::allocateCell<JSCustomEventPrototype>(vm)) JSCustomEventPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSCustomEventPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSCustomEventPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSCustomEventPrototype, JSCustomEventPrototype::Base);
-
-using JSCustomEventDOMConstructor = JSDOMConstructor<JSCustomEvent>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSCustomEventDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSCustomEventDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto eventInitDict = convert<IDLDictionary<CustomEvent::Init>>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = CustomEvent::create(type, WTFMove(eventInitDict));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<CustomEvent>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<CustomEvent>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSCustomEventDOMConstructorConstruct, JSCustomEventDOMConstructor::construct);
-
-template<> const ClassInfo JSCustomEventDOMConstructor::s_info = { "CustomEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCustomEventDOMConstructor) };
-
-template<> JSValue JSCustomEventDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    return JSEvent::getConstructor(vm, &globalObject);
-}
-
-template<> void JSCustomEventDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "CustomEvent"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSCustomEvent::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSCustomEventPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsCustomEventConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "detail"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsCustomEvent_detail), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "initCustomEvent"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsCustomEventPrototypeFunction_initCustomEvent), (intptr_t)(1) } },
-};
-
-const ClassInfo JSCustomEventPrototype::s_info = { "CustomEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCustomEventPrototype) };
-
-void JSCustomEventPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSCustomEvent::info(), JSCustomEventPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSCustomEvent::s_info = { "CustomEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCustomEvent) };
-
-JSCustomEvent::JSCustomEvent(Structure* structure, JSDOMGlobalObject& globalObject, Ref<CustomEvent>&& impl)
-    : JSEvent(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSCustomEvent::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, CustomEvent>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSCustomEvent::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSCustomEventPrototype::create(vm, &globalObject, JSCustomEventPrototype::createStructure(vm, &globalObject, JSEvent::prototype(vm, globalObject)));
-}
-
-JSObject* JSCustomEvent::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSCustomEvent>(vm, globalObject);
-}
-
-JSValue JSCustomEvent::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSCustomEventDOMConstructor, DOMConstructorID::CustomEvent>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsCustomEventConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSCustomEventPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSCustomEvent::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsCustomEvent_detailGetter(JSGlobalObject& lexicalGlobalObject, JSCustomEvent& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    return thisObject.detail(lexicalGlobalObject);
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsCustomEvent_detail, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSCustomEvent>::get<jsCustomEvent_detailGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsCustomEventPrototypeFunction_initCustomEventBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSCustomEvent>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto bubbles = convert<IDLBoolean>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument2 = callFrame->argument(2);
-    auto cancelable = convert<IDLBoolean>(*lexicalGlobalObject, argument2.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument3 = callFrame->argument(3);
-    auto detail = argument3.value().isUndefined() ? jsNull() : convert<IDLAny>(*lexicalGlobalObject, argument3.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.initCustomEvent(type, WTFMove(bubbles), WTFMove(cancelable), WTFMove(detail)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsCustomEventPrototypeFunction_initCustomEvent, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSCustomEvent>::call<jsCustomEventPrototypeFunction_initCustomEventBody>(*lexicalGlobalObject, *callFrame, "initCustomEvent");
-}
-
-JSC::GCClient::IsoSubspace* JSCustomEvent::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSCustomEvent, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForCustomEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForCustomEvent = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForCustomEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForCustomEvent = WTFMove(space); });
-}
-
-template<typename Visitor>
-void JSCustomEvent::visitChildrenImpl(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSCustomEvent*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-DEFINE_VISIT_CHILDREN(JSCustomEvent);
-
-template<typename Visitor>
-void JSCustomEvent::visitOutputConstraints(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSCustomEvent*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitOutputConstraints(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-template void JSCustomEvent::visitOutputConstraints(JSCell*, AbstractSlotVisitor&);
-template void JSCustomEvent::visitOutputConstraints(JSCell*, SlotVisitor&);
-void JSCustomEvent::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSCustomEvent*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-#if ENABLE(BINDING_INTEGRITY)
-#if PLATFORM(WIN)
-#pragma warning(disable : 4483)
-extern "C" {
-extern void (*const __identifier("??_7CustomEvent@WebCore@@6B@")[])();
-}
-#else
-extern "C" {
-extern void* _ZTVN7WebCore11CustomEventE[];
-}
-#endif
-#endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<CustomEvent>&& impl)
-{
-
-    //     if constexpr (std::is_polymorphic_v<CustomEvent>) {
-    // #if ENABLE(BINDING_INTEGRITY)
-    //         const void* actualVTablePointer = getVTablePointer(impl.ptr());
-    // #if PLATFORM(WIN)
-    //         void* expectedVTablePointer = __identifier("??_7CustomEvent@WebCore@@6B@");
-    // #else
-    //         void* expectedVTablePointer = &_ZTVN7WebCore11CustomEventE[2];
-    // #endif
-
-    //         // If you hit this assertion you either have a use after free bug, or
-    //         // CustomEvent has subclasses. If CustomEvent has subclasses that get passed
-    //         // to toJS() we currently require CustomEvent you to opt out of binding hardening
-    //         // by adding the SkipVTableValidation attribute to the interface IDL definition
-    //         RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-    // #endif
-    //     }
-    return createWrapper<CustomEvent>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, CustomEvent& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSCustomEvent.dep b/src/javascript/jsc/bindings/webcore/JSCustomEvent.dep
deleted file mode 100644
index 443684f8c..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCustomEvent.dep
+++ /dev/null
@@ -1,3 +0,0 @@
-JSCustomEvent.h : Event.idl EventInit.idl
-Event.idl :
-EventInit.idl :
diff --git a/src/javascript/jsc/bindings/webcore/JSCustomEvent.h b/src/javascript/jsc/bindings/webcore/JSCustomEvent.h
deleted file mode 100644
index 309b4a4a8..000000000
--- a/src/javascript/jsc/bindings/webcore/JSCustomEvent.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "CustomEvent.h"
-#include "JSDOMConvertDictionary.h"
-#include "JSDOMWrapper.h"
-#include "JSEvent.h"
-
-namespace WebCore {
-
-class JSCustomEvent : public JSEvent {
-public:
-    using Base = JSEvent;
-    using DOMWrapped = CustomEvent;
-    static JSCustomEvent* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<CustomEvent>&& impl)
-    {
-        JSCustomEvent* ptr = new (NotNull, JSC::allocateCell<JSCustomEvent>(globalObject->vm())) JSCustomEvent(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSEventType), StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    DECLARE_VISIT_CHILDREN;
-    template<typename Visitor> void visitAdditionalChildren(Visitor&);
-
-    template<typename Visitor> static void visitOutputConstraints(JSCell*, Visitor&);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-    // Custom attributes
-    JSC::JSValue detail(JSC::JSGlobalObject&) const;
-    CustomEvent& wrapped() const
-    {
-        return static_cast<CustomEvent&>(Base::wrapped());
-    }
-protected:
-    JSCustomEvent(JSC::Structure*, JSDOMGlobalObject&, Ref<CustomEvent>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, CustomEvent&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, CustomEvent* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<CustomEvent>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<CustomEvent>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<CustomEvent> {
-    using WrapperClass = JSCustomEvent;
-    using ToWrappedReturnType = CustomEvent*;
-};
-template<> CustomEvent::Init convertDictionary<CustomEvent::Init>(JSC::JSGlobalObject&, JSC::JSValue);
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMAttribute.h b/src/javascript/jsc/bindings/webcore/JSDOMAttribute.h
deleted file mode 100644
index 17b0f588c..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMAttribute.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2003-2020 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2009 Google, Inc. All rights reserved.
- *  Copyright (C) 2012 Ericsson AB. All rights reserved.
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-#include "JSDOMCastThisValue.h"
-#include "JSDOMExceptionHandling.h"
-
-namespace WebCore {
-
-template<typename JSClass>
-class IDLAttribute {
-public:
-    using Setter = bool(JSC::JSGlobalObject&, JSClass&, JSC::JSValue);
-    using SetterPassingPropertyName = bool(JSC::JSGlobalObject&, JSClass&, JSC::JSValue, JSC::PropertyName);
-    using StaticSetter = bool(JSC::JSGlobalObject&, JSC::JSValue);
-    using Getter = JSC::JSValue(JSC::JSGlobalObject&, JSClass&);
-    using GetterPassingPropertyName = JSC::JSValue(JSC::JSGlobalObject&, JSClass&, JSC::PropertyName);
-    using StaticGetter = JSC::JSValue(JSC::JSGlobalObject&);
-
-    template<Setter setter, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
-    static bool set(JSC::JSGlobalObject& lexicalGlobalObject, JSC::EncodedJSValue thisValue, JSC::EncodedJSValue encodedValue, JSC::PropertyName attributeName)
-    {
-        auto throwScope = DECLARE_THROW_SCOPE(JSC::getVM(&lexicalGlobalObject));
-
-        auto* thisObject = castThisValue<JSClass>(lexicalGlobalObject, JSC::JSValue::decode(thisValue));
-        if (UNLIKELY(!thisObject)) {
-            if constexpr (shouldThrow == CastedThisErrorBehavior::Throw)
-                return JSC::throwVMDOMAttributeSetterTypeError(&lexicalGlobalObject, throwScope, JSClass::info(), attributeName);
-            else
-                return false;
-        }
-
-        RELEASE_AND_RETURN(throwScope, (setter(lexicalGlobalObject, *thisObject, JSC::JSValue::decode(encodedValue))));
-    }
-
-    // FIXME: FIXME: This can be merged with `set` if we replace the explicit setter function template parameter with a generic lambda.
-    template<SetterPassingPropertyName setter, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
-    static bool setPassingPropertyName(JSC::JSGlobalObject& lexicalGlobalObject, JSC::EncodedJSValue thisValue, JSC::EncodedJSValue encodedValue, JSC::PropertyName attributeName)
-    {
-        auto throwScope = DECLARE_THROW_SCOPE(JSC::getVM(&lexicalGlobalObject));
-
-        auto* thisObject = castThisValue<JSClass>(lexicalGlobalObject, JSC::JSValue::decode(thisValue));
-        if (UNLIKELY(!thisObject)) {
-            if constexpr (shouldThrow == CastedThisErrorBehavior::Throw)
-                return JSC::throwVMDOMAttributeSetterTypeError(&lexicalGlobalObject, throwScope, JSClass::info(), attributeName);
-            else
-                return false;
-        }
-
-        RELEASE_AND_RETURN(throwScope, (setter(lexicalGlobalObject, *thisObject, JSC::JSValue::decode(encodedValue), attributeName)));
-    }
-
-    template<StaticSetter setter, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
-    static bool setStatic(JSC::JSGlobalObject& lexicalGlobalObject, JSC::EncodedJSValue, JSC::EncodedJSValue encodedValue, JSC::PropertyName)
-    {
-        return setter(lexicalGlobalObject, JSC::JSValue::decode(encodedValue));
-    }
-    
-    template<Getter getter, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
-    static JSC::EncodedJSValue get(JSC::JSGlobalObject& lexicalGlobalObject, JSC::EncodedJSValue thisValue, JSC::PropertyName attributeName)
-    {
-        auto throwScope = DECLARE_THROW_SCOPE(JSC::getVM(&lexicalGlobalObject));
-
-        if constexpr (shouldThrow == CastedThisErrorBehavior::Assert) {
-            ASSERT(castThisValue<JSClass>(lexicalGlobalObject, JSC::JSValue::decode(thisValue)));
-            auto* thisObject = JSC::jsCast<JSClass*>(JSC::JSValue::decode(thisValue));
-            RELEASE_AND_RETURN(throwScope, (JSC::JSValue::encode(getter(lexicalGlobalObject, *thisObject))));
-        } else {
-            auto* thisObject = castThisValue<JSClass>(lexicalGlobalObject, JSC::JSValue::decode(thisValue));
-            if (UNLIKELY(!thisObject)) {
-                if constexpr (shouldThrow == CastedThisErrorBehavior::Throw)
-                    return JSC::throwVMDOMAttributeGetterTypeError(&lexicalGlobalObject, throwScope, JSClass::info(), attributeName);
-                else if constexpr (shouldThrow == CastedThisErrorBehavior::RejectPromise)
-                    RELEASE_AND_RETURN(throwScope, rejectPromiseWithGetterTypeError(lexicalGlobalObject, JSClass::info(), attributeName));
-                else
-                    return JSC::JSValue::encode(JSC::jsUndefined());
-            }
-
-            RELEASE_AND_RETURN(throwScope, (JSC::JSValue::encode(getter(lexicalGlobalObject, *thisObject))));
-        }
-    }
-
-    // FIXME: This can be merged with `get` if we replace the explicit setter function template parameter with a generic lambda.
-    template<GetterPassingPropertyName getter, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
-    static JSC::EncodedJSValue getPassingPropertyName(JSC::JSGlobalObject& lexicalGlobalObject, JSC::EncodedJSValue thisValue, JSC::PropertyName attributeName)
-    {
-        auto throwScope = DECLARE_THROW_SCOPE(JSC::getVM(&lexicalGlobalObject));
-
-        if constexpr (shouldThrow == CastedThisErrorBehavior::Assert) {
-            ASSERT(castThisValue<JSClass>(lexicalGlobalObject, JSC::JSValue::decode(thisValue)));
-            auto* thisObject = JSC::jsCast<JSClass*>(JSC::JSValue::decode(thisValue));
-            RELEASE_AND_RETURN(throwScope, (JSC::JSValue::encode(getter(lexicalGlobalObject, *thisObject, attributeName))));
-        } else {
-            auto* thisObject = castThisValue<JSClass>(lexicalGlobalObject, JSC::JSValue::decode(thisValue));
-            if (UNLIKELY(!thisObject)) {
-                if constexpr (shouldThrow == CastedThisErrorBehavior::Throw)
-                    return JSC::throwVMDOMAttributeGetterTypeError(&lexicalGlobalObject, throwScope, JSClass::info(), attributeName);
-                else if constexpr (shouldThrow == CastedThisErrorBehavior::RejectPromise)
-                    RELEASE_AND_RETURN(throwScope, rejectPromiseWithGetterTypeError(lexicalGlobalObject, JSClass::info(), attributeName));
-                else
-                    return JSC::JSValue::encode(JSC::jsUndefined());
-            }
-
-            RELEASE_AND_RETURN(throwScope, (JSC::JSValue::encode(getter(lexicalGlobalObject, *thisObject, attributeName))));
-        }
-    }
-
-    template<StaticGetter getter, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
-    static JSC::EncodedJSValue getStatic(JSC::JSGlobalObject& lexicalGlobalObject, JSC::EncodedJSValue, JSC::PropertyName)
-    {
-        return JSC::JSValue::encode(getter(lexicalGlobalObject));
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMBinding.h b/src/javascript/jsc/bindings/webcore/JSDOMBinding.h
deleted file mode 100644
index cb9a3a1c6..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMBinding.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2003-2006, 2008-2009, 2013, 2016 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2009 Google, Inc. All rights reserved.
- *  Copyright (C) 2012 Ericsson AB. All rights reserved.
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-// FIXME: Remove this header.
-
-#include "ExceptionOr.h"
-#include "JSDOMWrapperCache.h"
-#include <JavaScriptCore/AuxiliaryBarrierInlines.h>
-#include <JavaScriptCore/HeapInlines.h>
-#include <JavaScriptCore/JSArray.h>
-#include <JavaScriptCore/JSCJSValueInlines.h>
-#include <JavaScriptCore/JSCellInlines.h>
-#include <JavaScriptCore/JSObjectInlines.h>
-#include <JavaScriptCore/Lookup.h>
-#include <JavaScriptCore/ObjectConstructor.h>
-#include <JavaScriptCore/SlotVisitorInlines.h>
-#include <JavaScriptCore/StructureInlines.h>
-#include <JavaScriptCore/WriteBarrier.h>
-#include <cstddef>
-#include <wtf/Forward.h>
-#include <wtf/GetPtr.h>
-#include <wtf/Vector.h>
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMBindingInternalsBuiltins.cpp b/src/javascript/jsc/bindings/webcore/JSDOMBindingInternalsBuiltins.cpp
deleted file mode 100644
index 2ae04a290..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMBindingInternalsBuiltins.cpp
+++ /dev/null
@@ -1,79 +0,0 @@
-// /*
-//  * Copyright (c) 2016 Apple Inc. All rights reserved.
-//  * Copyright (c) 2017 Apple Inc.
-//  *
-//  * Redistribution and use in source and binary forms, with or without
-//  * modification, are permitted provided that the following conditions
-//  * are met:
-//  * 1. Redistributions of source code must retain the above copyright
-//  *    notice, this list of conditions and the following disclaimer.
-//  * 2. Redistributions in binary form must reproduce the above copyright
-//  *    notice, this list of conditions and the following disclaimer in the
-//  *    documentation and/or other materials provided with the distribution.
-//  *
-//  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
-//  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-//  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-//  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
-//  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-//  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-//  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-//  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-//  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-//  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-//  * THE POSSIBILITY OF SUCH DAMAGE.
-//  *
-//  */
-
-// // DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
-// // builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
-
-// #include "config.h"
-// #include "JSDOMBindingInternalsBuiltins.h"
-
-// #include "WebCoreJSClientData.h"
-// #include "JavaScriptCore/HeapInlines.h"
-// #include "JavaScriptCore/IdentifierInlines.h"
-// #include "JavaScriptCore/Intrinsic.h"
-// #include "JavaScriptCore/JSCJSValueInlines.h"
-// #include "JavaScriptCore/JSCellInlines.h"
-// #include "JavaScriptCore/StructureInlines.h"
-// #include "JavaScriptCore/VM.h"
-
-// namespace WebCore {
-
-// const JSC::ConstructAbility s_jsDOMBindingInternalsForEachWrapperCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
-// const JSC::ConstructorKind s_jsDOMBindingInternalsForEachWrapperCodeConstructorKind = JSC::ConstructorKind::None;
-// const int s_jsDOMBindingInternalsForEachWrapperCodeLength = 170;
-// static const JSC::Intrinsic s_jsDOMBindingInternalsForEachWrapperCodeIntrinsic = JSC::NoIntrinsic;
-// const char* const s_jsDOMBindingInternalsForEachWrapperCode =
-//     "(function (mapLikeOrSetLike, callback)\n" \
-//     "{\n" \
-//     "    \"use strict\";\n" \
-//     "    mapLikeOrSetLike.forEach((value, key, backingMapOrSet) => {\n" \
-//     "        callback(value, key, this);\n" \
-//     "    });\n" \
-//     "})\n" \
-// ;
-
-// const JSC::ConstructAbility s_jsDOMBindingInternalsGetUserMediaShimCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
-// const JSC::ConstructorKind s_jsDOMBindingInternalsGetUserMediaShimCodeConstructorKind = JSC::ConstructorKind::None;
-// const int s_jsDOMBindingInternalsGetUserMediaShimCodeLength = 147;
-// static const JSC::Intrinsic s_jsDOMBindingInternalsGetUserMediaShimCodeIntrinsic = JSC::NoIntrinsic;
-// const char* const s_jsDOMBindingInternalsGetUserMediaShimCode =
-//     "(function (constraints, successCallback, errorCallback)\n" \
-//     "{\n" \
-//     "    this.mediaDevices.getUserMedia(constraints).then(successCallback, errorCallback);\n" \
-//     "})\n" \
-// ;
-
-// #define DEFINE_BUILTIN_GENERATOR(codeName, functionName, overriddenName, argumentCount) \
-// JSC::FunctionExecutable* codeName##Generator(JSC::VM& vm) \
-// {\
-//     JSVMClientData* clientData = static_cast<JSVMClientData*>(vm.clientData); \
-//     return clientData->builtinFunctions().jsDOMBindingInternalsBuiltins().codeName##Executable()->link(vm, nullptr, clientData->builtinFunctions().jsDOMBindingInternalsBuiltins().codeName##Source(), std::nullopt, s_##codeName##Intrinsic); \
-// }
-// WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_CODE(DEFINE_BUILTIN_GENERATOR)
-// #undef DEFINE_BUILTIN_GENERATOR
-
-// } // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMBindingInternalsBuiltins.h b/src/javascript/jsc/bindings/webcore/JSDOMBindingInternalsBuiltins.h
deleted file mode 100644
index 40b698c3a..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMBindingInternalsBuiltins.h
+++ /dev/null
@@ -1,159 +0,0 @@
-// /*
-//  * Copyright (c) 2016 Apple Inc. All rights reserved.
-//  * Copyright (c) 2017 Apple Inc.
-//  *
-//  * Redistribution and use in source and binary forms, with or without
-//  * modification, are permitted provided that the following conditions
-//  * are met:
-//  * 1. Redistributions of source code must retain the above copyright
-//  *    notice, this list of conditions and the following disclaimer.
-//  * 2. Redistributions in binary form must reproduce the above copyright
-//  *    notice, this list of conditions and the following disclaimer in the
-//  *    documentation and/or other materials provided with the distribution.
-//  *
-//  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
-//  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-//  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-//  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
-//  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-//  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-//  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-//  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-//  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-//  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
-//  * THE POSSIBILITY OF SUCH DAMAGE.
-//  *
-//  */
-
-// // DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
-// // builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
-
-// #pragma once
-
-// #include "JavaScriptCore/BuiltinUtils.h"
-// #include "JavaScriptCore/Identifier.h"
-// #include "JavaScriptCore/JSFunction.h"
-// #include "JavaScriptCore/UnlinkedFunctionExecutable.h"
-
-// namespace JSC {
-// class FunctionExecutable;
-// }
-
-// namespace WebCore {
-
-// /* JSDOMBindingInternals */
-// extern const char* const s_jsDOMBindingInternalsForEachWrapperCode;
-// extern const int s_jsDOMBindingInternalsForEachWrapperCodeLength;
-// extern const JSC::ConstructAbility s_jsDOMBindingInternalsForEachWrapperCodeConstructAbility;
-// extern const JSC::ConstructorKind s_jsDOMBindingInternalsForEachWrapperCodeConstructorKind;
-// extern const char* const s_jsDOMBindingInternalsGetUserMediaShimCode;
-// extern const int s_jsDOMBindingInternalsGetUserMediaShimCodeLength;
-// extern const JSC::ConstructAbility s_jsDOMBindingInternalsGetUserMediaShimCodeConstructAbility;
-// extern const JSC::ConstructorKind s_jsDOMBindingInternalsGetUserMediaShimCodeConstructorKind;
-
-// #define WEBCORE_BUILTIN_JSDOMBINDINGINTERNALS_FOREACHWRAPPER 0
-// #define WEBCORE_BUILTIN_JSDOMBINDINGINTERNALS_GETUSERMEDIASHIM 0
-
-// #define WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_CODE(macro)                                                                                      \
-//     macro(jsDOMBindingInternalsForEachWrapperCode, forEachWrapper, static_cast<const char*>(nullptr), s_jsDOMBindingInternalsForEachWrapperCodeLength) \
-//         macro(jsDOMBindingInternalsGetUserMediaShimCode, getUserMediaShim, static_cast<const char*>(nullptr), s_jsDOMBindingInternalsGetUserMediaShimCodeLength)
-
-// #define DECLARE_BUILTIN_GENERATOR(codeName, functionName, overriddenName, argumentCount) \
-//     JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
-
-// WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
-// #undef DECLARE_BUILTIN_GENERATOR
-
-// class JSDOMBindingInternalsBuiltinsWrapper : private JSC::WeakHandleOwner {
-// public:
-//     explicit JSDOMBindingInternalsBuiltinsWrapper(JSC::VM& vm)
-//         : m_vm(vm)
-//             WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_FUNCTION_NAME(INITIALIZE_BUILTIN_NAMES)
-// #define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, overriddenName, length) , m_##name##Source(JSC::makeSource(StringImpl::createFromLiteral(s_##name, length), {}))
-//                 WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
-// #undef INITIALIZE_BUILTIN_SOURCE_MEMBERS
-//     {
-//     }
-
-// #define EXPOSE_BUILTIN_EXECUTABLES(name, functionName, overriddenName, length) \
-//     JSC::UnlinkedFunctionExecutable* name##Executable();                       \
-//     const JSC::SourceCode& name##Source() const { return m_##name##Source; }
-//     WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_CODE(EXPOSE_BUILTIN_EXECUTABLES)
-// #undef EXPOSE_BUILTIN_EXECUTABLES
-
-//     WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_IDENTIFIER_ACCESSOR)
-
-//     void exportNames();
-
-// private:
-//     JSC::VM& m_vm;
-
-//     WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_NAMES)
-
-// #define DECLARE_BUILTIN_SOURCE_MEMBERS(name, functionName, overriddenName, length) \
-//     JSC::SourceCode m_##name##Source;                                              \
-//     JSC::Weak<JSC::UnlinkedFunctionExecutable> m_##name##Executable;
-//     WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_CODE(DECLARE_BUILTIN_SOURCE_MEMBERS)
-// #undef DECLARE_BUILTIN_SOURCE_MEMBERS
-// };
-
-// #define DEFINE_BUILTIN_EXECUTABLES(name, functionName, overriddenName, length)                                                                                                                                                           \
-//     inline JSC::UnlinkedFunctionExecutable* JSDOMBindingInternalsBuiltinsWrapper::name##Executable()                                                                                                                                     \
-//     {                                                                                                                                                                                                                                    \
-//         if (!m_##name##Executable) {                                                                                                                                                                                                     \
-//             JSC::Identifier executableName = functionName##PublicName();                                                                                                                                                                 \
-//             if (overriddenName)                                                                                                                                                                                                          \
-//                 executableName = JSC::Identifier::fromString(m_vm, overriddenName);                                                                                                                                                      \
-//             m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable); \
-//         }                                                                                                                                                                                                                                \
-//         return m_##name##Executable.get();                                                                                                                                                                                               \
-//     }
-// WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_CODE(DEFINE_BUILTIN_EXECUTABLES)
-// #undef DEFINE_BUILTIN_EXECUTABLES
-
-// inline void JSDOMBindingInternalsBuiltinsWrapper::exportNames()
-// {
-// #define EXPORT_FUNCTION_NAME(name) m_vm.propertyNames->appendExternalName(name##PublicName(), name##PrivateName());
-//     WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_FUNCTION_NAME(EXPORT_FUNCTION_NAME)
-// #undef EXPORT_FUNCTION_NAME
-// }
-
-// class JSDOMBindingInternalsBuiltinFunctions {
-// public:
-//     explicit JSDOMBindingInternalsBuiltinFunctions(JSC::VM& vm)
-//         : m_vm(vm)
-//     {
-//     }
-
-//     void init(JSC::JSGlobalObject&);
-//     template<typename Visitor> void visit(Visitor&);
-
-// public:
-//     JSC::VM& m_vm;
-
-// #define DECLARE_BUILTIN_SOURCE_MEMBERS(functionName) \
-//     JSC::WriteBarrier<JSC::JSFunction> m_##functionName##Function;
-//     WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_FUNCTION_NAME(DECLARE_BUILTIN_SOURCE_MEMBERS)
-// #undef DECLARE_BUILTIN_SOURCE_MEMBERS
-// };
-
-// inline void JSDOMBindingInternalsBuiltinFunctions::init(JSC::JSGlobalObject& globalObject)
-// {
-// #define EXPORT_FUNCTION(codeName, functionName, overriddenName, length) \
-//     m_##functionName##Function.set(m_vm, &globalObject, JSC::JSFunction::create(m_vm, codeName##Generator(m_vm), &globalObject));
-//     WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_CODE(EXPORT_FUNCTION)
-// #undef EXPORT_FUNCTION
-// }
-
-// template<typename Visitor>
-// inline void JSDOMBindingInternalsBuiltinFunctions::visit(Visitor& visitor)
-// {
-// #define VISIT_FUNCTION(name) visitor.append(m_##name##Function);
-//     WEBCORE_FOREACH_JSDOMBINDINGINTERNALS_BUILTIN_FUNCTION_NAME(VISIT_FUNCTION)
-// #undef VISIT_FUNCTION
-// }
-
-// template void JSDOMBindingInternalsBuiltinFunctions::visit(JSC::AbstractSlotVisitor&);
-// template void JSDOMBindingInternalsBuiltinFunctions::visit(JSC::SlotVisitor&);
-
-// } // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructor.h b/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructor.h
deleted file mode 100644
index 733a880f3..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructor.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- *  Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
- *  Copyright (C) 2016-2021 Apple Inc. All rights reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-#include "JSDOMBuiltinConstructorBase.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMWrapperCache.h"
-
-namespace WebCore {
-
-template<typename JSClass> class JSDOMBuiltinConstructor final : public JSDOMBuiltinConstructorBase {
-public:
-    using Base = JSDOMBuiltinConstructorBase;
-
-    static JSDOMBuiltinConstructor* create(JSC::VM&, JSC::Structure*, JSDOMGlobalObject&);
-    static JSC::Structure* createStructure(JSC::VM&, JSC::JSGlobalObject&, JSC::JSValue prototype);
-
-    DECLARE_INFO;
-
-    // Usually defined for each specialization class.
-    static JSC::JSValue prototypeForStructure(JSC::VM&, const JSDOMGlobalObject&);
-
-    static JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES construct(JSC::JSGlobalObject*, JSC::CallFrame*);
-
-private:
-    JSDOMBuiltinConstructor(JSC::VM& vm, JSC::Structure* structure)
-        : Base(vm, structure, construct)
-    {
-    }
-
-    void finishCreation(JSC::VM&, JSDOMGlobalObject&);
-
-    JSC::Structure* getDOMStructureForJSObject(JSC::JSGlobalObject*, JSC::JSObject* newTarget);
-
-    // Usually defined for each specialization class.
-    void initializeProperties(JSC::VM&, JSDOMGlobalObject&) {}
-    // Must be defined for each specialization class.
-    JSC::FunctionExecutable* initializeExecutable(JSC::VM&);
-};
-
-template<typename JSClass> inline JSDOMBuiltinConstructor<JSClass>* JSDOMBuiltinConstructor<JSClass>::create(JSC::VM& vm, JSC::Structure* structure, JSDOMGlobalObject& globalObject)
-{
-    JSDOMBuiltinConstructor* constructor = new (NotNull, JSC::allocateCell<JSDOMBuiltinConstructor>(vm)) JSDOMBuiltinConstructor(vm, structure);
-    constructor->finishCreation(vm, globalObject);
-    return constructor;
-}
-
-template<typename JSClass> inline JSC::Structure* JSDOMBuiltinConstructor<JSClass>::createStructure(JSC::VM& vm, JSC::JSGlobalObject& globalObject, JSC::JSValue prototype)
-{
-    return JSC::Structure::create(vm, &globalObject, prototype, JSC::TypeInfo(JSC::InternalFunctionType, StructureFlags), info());
-}
-
-template<typename JSClass> inline void JSDOMBuiltinConstructor<JSClass>::finishCreation(JSC::VM& vm, JSDOMGlobalObject& globalObject)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-    setInitializeFunction(vm, *JSC::JSFunction::create(vm, initializeExecutable(vm), &globalObject));
-    initializeProperties(vm, globalObject);
-}
-
-template<typename JSClass> inline JSC::Structure* JSDOMBuiltinConstructor<JSClass>::getDOMStructureForJSObject(JSC::JSGlobalObject* lexicalGlobalObject, JSC::JSObject* newTarget)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-
-    if (LIKELY(newTarget == this))
-        return getDOMStructure<JSClass>(vm, *globalObject());
-
-    auto scope = DECLARE_THROW_SCOPE(vm);
-    auto* newTargetGlobalObject = JSC::getFunctionRealm(lexicalGlobalObject, newTarget);
-    RETURN_IF_EXCEPTION(scope, nullptr);
-    auto* baseStructure = getDOMStructure<JSClass>(vm, *JSC::jsCast<JSDOMGlobalObject*>(newTargetGlobalObject));
-    RELEASE_AND_RETURN(scope, JSC::InternalFunction::createSubclassStructure(lexicalGlobalObject, newTarget, baseStructure));
-}
-
-template<typename JSClass> inline JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSDOMBuiltinConstructor<JSClass>::construct(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame)
-{
-    ASSERT(callFrame);
-    auto* castedThis = JSC::jsCast<JSDOMBuiltinConstructor*>(callFrame->jsCallee());
-    auto* structure = castedThis->getDOMStructureForJSObject(lexicalGlobalObject, asObject(callFrame->newTarget()));
-    if (UNLIKELY(!structure))
-        return {};
-
-    auto* jsObject = JSClass::create(structure, castedThis->globalObject());
-    JSC::call(lexicalGlobalObject, castedThis->initializeFunction(), jsObject, JSC::ArgList(callFrame), "This error should never occur: initialize function is guaranteed to be callable."_s);
-    return JSC::JSValue::encode(jsObject);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructorBase.cpp b/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructorBase.cpp
deleted file mode 100644
index 98058f5f4..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructorBase.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2004-2022 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "config.h"
-#include "JSDOMBuiltinConstructorBase.h"
-
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/JSCInlines.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<typename Visitor>
-void JSDOMBuiltinConstructorBase::visitChildrenImpl(JSC::JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSDOMBuiltinConstructorBase*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    visitor.append(thisObject->m_initializeFunction);
-}
-
-DEFINE_VISIT_CHILDREN(JSDOMBuiltinConstructorBase);
-
-JSC::GCClient::IsoSubspace* JSDOMBuiltinConstructorBase::subspaceForImpl(JSC::VM& vm)
-{
-    return &static_cast<JSVMClientData*>(vm.clientData)->domBuiltinConstructorSpace();
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructorBase.h b/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructorBase.h
deleted file mode 100644
index 9593d99c1..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMBuiltinConstructorBase.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- *  Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
- *  Copyright (C) 2016-2022 Apple Inc. All rights reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-#include "JSDOMConstructorBase.h"
-
-namespace WebCore {
-
-class JSDOMBuiltinConstructorBase : public JSDOMConstructorBase {
-public:
-    using Base = JSDOMConstructorBase;
-
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        static_assert(sizeof(CellType) == sizeof(JSDOMBuiltinConstructorBase));
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(CellType, JSDOMBuiltinConstructorBase);
-        static_assert(CellType::destroy == JSC::JSCell::destroy, "JSDOMBuiltinConstructor<JSClass> is not destructible actually");
-        return subspaceForImpl(vm);
-    }
-
-protected:
-    JSDOMBuiltinConstructorBase(JSC::VM& vm, JSC::Structure* structure, JSC::NativeFunction functionForConstruct)
-        : Base(vm, structure, functionForConstruct)
-    {
-    }
-
-    DECLARE_VISIT_CHILDREN;
-
-    JSC::JSFunction* initializeFunction();
-    void setInitializeFunction(JSC::VM&, JSC::JSFunction&);
-
-private:
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM&);
-
-    JSC::WriteBarrier<JSC::JSFunction> m_initializeFunction;
-};
-
-inline JSC::JSFunction* JSDOMBuiltinConstructorBase::initializeFunction()
-{
-    return m_initializeFunction.get();
-}
-
-inline void JSDOMBuiltinConstructorBase::setInitializeFunction(JSC::VM& vm, JSC::JSFunction& function)
-{
-    m_initializeFunction.set(vm, this, &function);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMCastThisValue.h b/src/javascript/jsc/bindings/webcore/JSDOMCastThisValue.h
deleted file mode 100644
index d7028c4b5..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMCastThisValue.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- * Copyright (C) 2003-2006, 2008-2009, 2013, 2016 Apple Inc. All rights reserved.
- * Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- * Copyright (C) 2009 Google, Inc. All rights reserved.
- * Copyright (C) 2012 Ericsson AB. All rights reserved.
- * Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMGlobalObject.h"
-
-namespace WebCore {
-
-enum class CastedThisErrorBehavior : uint8_t {
-    Throw,
-    ReturnEarly,
-    RejectPromise,
-    Assert,
-};
-
-template<class JSClass>
-JSClass* castThisValue(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue thisValue)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    if constexpr (std::is_base_of_v<JSDOMGlobalObject, JSClass>)
-        return toJSDOMGlobalObject<JSClass>(vm, thisValue.isUndefinedOrNull() ? JSC::JSValue(&lexicalGlobalObject) : thisValue);
-    else
-        return JSC::jsDynamicCast<JSClass*>(thisValue);
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConstructor.h b/src/javascript/jsc/bindings/webcore/JSDOMConstructor.h
deleted file mode 100644
index 680d71a4e..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConstructor.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- *  Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
- *  Copyright (C) 2016-2021 Apple Inc. All rights reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-#include "JSDOMConstructorBase.h"
-
-namespace WebCore {
-
-template<typename JSClass> class JSDOMConstructor final : public JSDOMConstructorBase {
-public:
-    using Base = JSDOMConstructorBase;
-
-    static JSDOMConstructor* create(JSC::VM&, JSC::Structure*, JSDOMGlobalObject&);
-    static JSC::Structure* createStructure(JSC::VM&, JSC::JSGlobalObject&, JSC::JSValue prototype);
-
-    DECLARE_INFO;
-
-    // Must be defined for each specialization class.
-    static JSC::JSValue prototypeForStructure(JSC::VM&, const JSDOMGlobalObject&);
-
-    // Must be defined for each specialization class.
-    static JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES construct(JSC::JSGlobalObject*, JSC::CallFrame*);
-
-private:
-    JSDOMConstructor(JSC::VM& vm, JSC::Structure* structure)
-        : Base(vm, structure, construct)
-    {
-    }
-
-    void finishCreation(JSC::VM&, JSDOMGlobalObject&);
-
-    // Usually defined for each specialization class.
-    void initializeProperties(JSC::VM&, JSDOMGlobalObject&) {}
-};
-
-template<typename JSClass> inline JSDOMConstructor<JSClass>* JSDOMConstructor<JSClass>::create(JSC::VM& vm, JSC::Structure* structure, JSDOMGlobalObject& globalObject)
-{
-    JSDOMConstructor* constructor = new (NotNull, JSC::allocateCell<JSDOMConstructor>(vm)) JSDOMConstructor(vm, structure);
-    constructor->finishCreation(vm, globalObject);
-    return constructor;
-}
-
-template<typename JSClass> inline JSC::Structure* JSDOMConstructor<JSClass>::createStructure(JSC::VM& vm, JSC::JSGlobalObject& globalObject, JSC::JSValue prototype)
-{
-    return JSC::Structure::create(vm, &globalObject, prototype, JSC::TypeInfo(JSC::InternalFunctionType, StructureFlags), info());
-}
-
-template<typename JSClass> inline void JSDOMConstructor<JSClass>::finishCreation(JSC::VM& vm, JSDOMGlobalObject& globalObject)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-    initializeProperties(vm, globalObject);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConstructorBase.cpp b/src/javascript/jsc/bindings/webcore/JSDOMConstructorBase.cpp
deleted file mode 100644
index 76e5bed57..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConstructorBase.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2004-2022 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "config.h"
-#include "JSDOMConstructor.h"
-
-#include "WebCoreJSClientData.h"
-
-namespace WebCore {
-using namespace JSC;
-
-STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSDOMConstructorBase);
-
-JSC_DEFINE_HOST_FUNCTION(callThrowTypeErrorForJSDOMConstructor, (JSGlobalObject * globalObject, CallFrame*))
-{
-    VM& vm = globalObject->vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-    throwTypeError(globalObject, scope, "Constructor requires 'new' operator"_s);
-    return JSValue::encode(jsNull());
-}
-
-JSC_DEFINE_HOST_FUNCTION(callThrowTypeErrorForJSDOMConstructorNotConstructable, (JSC::JSGlobalObject * globalObject, JSC::CallFrame*))
-{
-    JSC::VM& vm = globalObject->vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-    JSC::throwTypeError(globalObject, scope, "Illegal constructor"_s);
-    return JSC::JSValue::encode(JSC::jsNull());
-}
-
-JSC::GCClient::IsoSubspace* JSDOMConstructorBase::subspaceForImpl(JSC::VM& vm)
-{
-    return &static_cast<JSVMClientData*>(vm.clientData)->domConstructorSpace();
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConstructorBase.h b/src/javascript/jsc/bindings/webcore/JSDOMConstructorBase.h
deleted file mode 100644
index 335c112d3..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConstructorBase.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- *  Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
- *  Copyright (C) 2016-2022 Apple Inc. All rights reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-#include "JSDOMGlobalObject.h"
-#include "JavaScriptCore/InternalFunction.h"
-
-#include "ZigGlobalObject.h"
-
-namespace WebCore {
-
-JSC_DECLARE_HOST_FUNCTION(callThrowTypeErrorForJSDOMConstructor);
-JSC_DECLARE_HOST_FUNCTION(callThrowTypeErrorForJSDOMConstructorNotConstructable);
-
-// Base class for all callable constructor objects in the JSC bindings.
-class JSDOMConstructorBase : public JSC::InternalFunction {
-public:
-    using Base = InternalFunction;
-
-    static constexpr unsigned StructureFlags = Base::StructureFlags;
-    static constexpr bool needsDestruction = false;
-
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        static_assert(sizeof(CellType) == sizeof(JSDOMConstructorBase));
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(CellType, JSDOMConstructorBase);
-        static_assert(CellType::destroy == JSC::JSCell::destroy, "JSDOMConstructor<JSClass> is not destructible actually");
-        return subspaceForImpl(vm);
-    }
-
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM&);
-
-    JSDOMGlobalObject* globalObject() const { return JSC::jsCast<JSDOMGlobalObject*>(Base::globalObject()); }
-    ScriptExecutionContext* scriptExecutionContext() const { return globalObject()->scriptExecutionContext(); }
-
-protected:
-    JSDOMConstructorBase(JSC::VM& vm, JSC::Structure* structure, JSC::NativeFunction functionForConstruct)
-        : Base(vm, structure,
-            functionForConstruct ? callThrowTypeErrorForJSDOMConstructor : callThrowTypeErrorForJSDOMConstructorNotConstructable,
-            functionForConstruct ? functionForConstruct : callThrowTypeErrorForJSDOMConstructorNotConstructable)
-    {
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConstructorNotCallable.h b/src/javascript/jsc/bindings/webcore/JSDOMConstructorNotCallable.h
deleted file mode 100644
index 779bf8876..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConstructorNotCallable.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (C) 2021 Alexey Shvayka <shvaikalesh@gmail.com>
- * Copyright (C) 2021-2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-#include "WebCoreJSClientData.h"
-
-namespace WebCore {
-
-template<typename JSClass> class JSDOMConstructorNotCallable : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-
-    static constexpr unsigned StructureFlags = Base::StructureFlags;
-    static constexpr bool needsDestruction = false;
-    static JSDOMConstructorNotCallable* create(JSC::VM&, JSC::Structure*, JSDOMGlobalObject&);
-    static JSC::Structure* createStructure(JSC::VM&, JSC::JSGlobalObject&, JSC::JSValue prototype);
-
-    DECLARE_INFO;
-
-    static JSC::JSValue prototypeForStructure(JSC::VM&, const JSDOMGlobalObject&);
-
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        static_assert(sizeof(CellType) == sizeof(JSDOMConstructorNotCallable));
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(CellType, JSDOMConstructorNotCallable);
-        static_assert(CellType::destroy == JSC::JSCell::destroy, "JSDOMConstructorNotCallable<JSClass> is not destructible actually");
-        return &static_cast<JSVMClientData*>(vm.clientData)->domNamespaceObjectSpace();
-    }
-
-private:
-    JSDOMConstructorNotCallable(JSC::Structure* structure, JSDOMGlobalObject& globalObject)
-        : Base(structure, globalObject)
-    {
-    }
-
-    void finishCreation(JSC::VM&, JSDOMGlobalObject&);
-    void initializeProperties(JSC::VM&, JSDOMGlobalObject&) {}
-};
-
-template<typename JSClass> inline JSDOMConstructorNotCallable<JSClass>* JSDOMConstructorNotCallable<JSClass>::create(JSC::VM& vm, JSC::Structure* structure, JSDOMGlobalObject& globalObject)
-{
-    JSDOMConstructorNotCallable* constructor = new (NotNull, JSC::allocateCell<JSDOMConstructorNotCallable>(vm)) JSDOMConstructorNotCallable(structure, globalObject);
-    constructor->finishCreation(vm, globalObject);
-    return constructor;
-}
-
-template<typename JSClass> inline JSC::Structure* JSDOMConstructorNotCallable<JSClass>::createStructure(JSC::VM& vm, JSC::JSGlobalObject& globalObject, JSC::JSValue prototype)
-{
-    return JSC::Structure::create(vm, &globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-}
-
-template<typename JSClass> inline void JSDOMConstructorNotCallable<JSClass>::finishCreation(JSC::VM& vm, JSDOMGlobalObject& globalObject)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-    initializeProperties(vm, globalObject);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConstructorNotConstructable.h b/src/javascript/jsc/bindings/webcore/JSDOMConstructorNotConstructable.h
deleted file mode 100644
index ac173d0fe..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConstructorNotConstructable.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- *  Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
- *  Copyright (C) 2016-2021 Apple Inc. All rights reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-#include "JSDOMConstructorBase.h"
-
-namespace WebCore {
-
-template<typename JSClass> class JSDOMConstructorNotConstructable final : public JSDOMConstructorBase {
-public:
-    using Base = JSDOMConstructorBase;
-
-    static JSDOMConstructorNotConstructable* create(JSC::VM&, JSC::Structure*, JSDOMGlobalObject&);
-    static JSC::Structure* createStructure(JSC::VM&, JSC::JSGlobalObject&, JSC::JSValue prototype);
-
-    DECLARE_INFO;
-
-    // Must be defined for each specialization class.
-    static JSC::JSValue prototypeForStructure(JSC::VM&, const JSDOMGlobalObject&);
-
-private:
-    JSDOMConstructorNotConstructable(JSC::VM& vm, JSC::Structure* structure)
-        : Base(vm, structure, nullptr)
-    {
-    }
-
-    void finishCreation(JSC::VM&, JSDOMGlobalObject&);
-
-    // Usually defined for each specialization class.
-    void initializeProperties(JSC::VM&, JSDOMGlobalObject&) {}
-};
-
-template<typename JSClass> inline JSDOMConstructorNotConstructable<JSClass>* JSDOMConstructorNotConstructable<JSClass>::create(JSC::VM& vm, JSC::Structure* structure, JSDOMGlobalObject& globalObject)
-{
-    JSDOMConstructorNotConstructable* constructor = new (NotNull, JSC::allocateCell<JSDOMConstructorNotConstructable>(vm)) JSDOMConstructorNotConstructable(vm, structure);
-    constructor->finishCreation(vm, globalObject);
-    return constructor;
-}
-
-template<typename JSClass> inline JSC::Structure* JSDOMConstructorNotConstructable<JSClass>::createStructure(JSC::VM& vm, JSC::JSGlobalObject& globalObject, JSC::JSValue prototype)
-{
-    return JSC::Structure::create(vm, &globalObject, prototype, JSC::TypeInfo(JSC::InternalFunctionType, StructureFlags), info());
-}
-
-template<typename JSClass> inline void JSDOMConstructorNotConstructable<JSClass>::finishCreation(JSC::VM& vm, JSDOMGlobalObject& globalObject)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-    initializeProperties(vm, globalObject);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvert.h b/src/javascript/jsc/bindings/webcore/JSDOMConvert.h
deleted file mode 100644
index f5c32823d..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvert.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertBufferSource.h"
-#include "JSDOMConvertCallbacks.h"
-#include "JSDOMConvertDate.h"
-#include "JSDOMConvertDictionary.h"
-#include "JSDOMConvertEnumeration.h"
-#include "JSDOMConvertEventListener.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertJSON.h"
-#include "JSDOMConvertNull.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertObject.h"
-#include "JSDOMConvertRecord.h"
-#include "JSDOMConvertSequences.h"
-#include "JSDOMConvertSerializedScriptValue.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMConvertUnion.h"
-#include "JSDOMConvertWebGL.h"
-
-#include "JSDOMConvertBufferSource+JSBuffer.h"
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertAny.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertAny.h
deleted file mode 100644
index b744bbb89..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertAny.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JSValueInWrappedObject.h"
-
-namespace WebCore {
-
-template<> struct Converter<IDLAny> : DefaultConverter<IDLAny> {
-    using ReturnType = JSC::JSValue;
-
-    static constexpr bool conversionHasSideEffects = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject&, JSC::JSValue value)
-    {
-        return value;
-    }
-
-    static JSC::JSValue convert(const JSC::Strong<JSC::Unknown>& value)
-    {
-        return value.get();
-    }
-};
-
-template<> struct JSConverter<IDLAny> {
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(const JSC::JSValue& value)
-    {
-        return value;
-    }
-
-    static JSC::JSValue convert(const JSC::Strong<JSC::Unknown>& value)
-    {
-        return value.get();
-    }
-
-    static JSC::JSValue convert(const JSValueInWrappedObject& value)
-    {
-        return value.getValue();
-    }
-};
-
-template<> struct VariadicConverter<IDLAny> {
-    using Item = typename IDLAny::ImplementationType;
-
-    static std::optional<Item> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        auto result = Converter<IDLAny>::convert(lexicalGlobalObject, value);
-        RETURN_IF_EXCEPTION(scope, std::nullopt);
-
-        return Item { vm, result };
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertBase.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertBase.h
deleted file mode 100644
index 8cab2e7d8..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertBase.h
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-#include "root.h"
-#include "ZigGlobalObject.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMExceptionHandling.h"
-#include <JavaScriptCore/Error.h>
-
-namespace WebCore {
-
-// Conversion from JSValue -> Implementation
-template<typename T> struct Converter;
-
-namespace Detail {
-
-template<typename T> inline T* getPtrOrRef(const T* p) { return const_cast<T*>(p); }
-template<typename T> inline T& getPtrOrRef(const T& p) { return const_cast<T&>(p); }
-template<typename T> inline T* getPtrOrRef(const RefPtr<T>& p) { return p.get(); }
-template<typename T> inline T& getPtrOrRef(const Ref<T>& p) { return p.get(); }
-
-}
-
-struct DefaultExceptionThrower {
-    void operator()(JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope)
-    {
-        throwTypeError(&lexicalGlobalObject, scope);
-    }
-};
-
-template<typename T> typename Converter<T>::ReturnType convert(JSC::JSGlobalObject&, JSC::JSValue);
-template<typename T> typename Converter<T>::ReturnType convert(JSC::JSGlobalObject&, JSC::JSValue, JSC::JSObject&);
-template<typename T> typename Converter<T>::ReturnType convert(JSC::JSGlobalObject&, JSC::JSValue, JSDOMGlobalObject&);
-template<typename T, typename ExceptionThrower> typename Converter<T>::ReturnType convert(JSC::JSGlobalObject&, JSC::JSValue, ExceptionThrower&&);
-template<typename T, typename ExceptionThrower> typename Converter<T>::ReturnType convert(JSC::JSGlobalObject&, JSC::JSValue, JSC::JSObject&, ExceptionThrower&&);
-template<typename T, typename ExceptionThrower> typename Converter<T>::ReturnType convert(JSC::JSGlobalObject&, JSC::JSValue, JSDOMGlobalObject&, ExceptionThrower&&);
-
-template<typename T> inline typename Converter<T>::ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return Converter<T>::convert(lexicalGlobalObject, value);
-}
-
-template<typename T> inline typename Converter<T>::ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSC::JSObject& thisObject)
-{
-    return Converter<T>::convert(lexicalGlobalObject, value, thisObject);
-}
-
-template<typename T> inline typename Converter<T>::ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSDOMGlobalObject& globalObject)
-{
-    return Converter<T>::convert(lexicalGlobalObject, value, globalObject);
-}
-
-template<typename T, typename ExceptionThrower> inline typename Converter<T>::ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower)
-{
-    return Converter<T>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-}
-
-template<typename T, typename ExceptionThrower> inline typename Converter<T>::ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSC::JSObject& thisObject, ExceptionThrower&& exceptionThrower)
-{
-    return Converter<T>::convert(lexicalGlobalObject, value, thisObject, std::forward<ExceptionThrower>(exceptionThrower));
-}
-
-template<typename T, typename ExceptionThrower> inline typename Converter<T>::ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSDOMGlobalObject& globalObject, ExceptionThrower&& exceptionThrower)
-{
-    return Converter<T>::convert(lexicalGlobalObject, value, globalObject, std::forward<ExceptionThrower>(exceptionThrower));
-}
-
-// Conversion from Implementation -> JSValue
-template<typename T> struct JSConverter;
-
-template<typename T, typename U> inline JSC::JSValue toJS(U&&);
-template<typename T, typename U> inline JSC::JSValue toJS(JSC::JSGlobalObject&, U&&);
-template<typename T, typename U> inline JSC::JSValue toJS(JSC::JSGlobalObject&, JSDOMGlobalObject&, U&&);
-template<typename T, typename U> inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject&, JSDOMGlobalObject&, U&&);
-
-template<typename T, typename U> inline JSC::JSValue toJS(JSC::JSGlobalObject&, JSC::ThrowScope&, U&& valueOrFunctor);
-template<typename T, typename U> inline JSC::JSValue toJS(JSC::JSGlobalObject&, JSDOMGlobalObject&, JSC::ThrowScope&, U&& valueOrFunctor);
-template<typename T, typename U> inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject&, JSDOMGlobalObject&, JSC::ThrowScope&, U&& valueOrFunctor);
-
-template<typename T, bool needsState = JSConverter<T>::needsState, bool needsGlobalObject = JSConverter<T>::needsGlobalObject>
-struct JSConverterOverloader;
-
-template<typename T>
-struct JSConverterOverloader<T, true, true> {
-    template<typename U> static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value)
-    {
-        return JSConverter<T>::convert(lexicalGlobalObject, globalObject, std::forward<U>(value));
-    }
-};
-
-template<typename T>
-struct JSConverterOverloader<T, true, false> {
-    template<typename U> static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, U&& value)
-    {
-        return JSConverter<T>::convert(lexicalGlobalObject, std::forward<U>(value));
-    }
-
-    template<typename U> static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject&, U&& value)
-    {
-        return JSConverter<T>::convert(lexicalGlobalObject, std::forward<U>(value));
-    }
-};
-
-template<typename T>
-struct JSConverterOverloader<T, false, false> {
-    template<typename U> static JSC::JSValue convert(JSC::JSGlobalObject&, U&& value)
-    {
-        return JSConverter<T>::convert(std::forward<U>(value));
-    }
-
-    template<typename U> static JSC::JSValue convert(JSC::JSGlobalObject&, JSDOMGlobalObject&, U&& value)
-    {
-        return JSConverter<T>::convert(std::forward<U>(value));
-    }
-};
-
-template<typename T, typename U> inline JSC::JSValue toJS(U&& value)
-{
-    return JSConverter<T>::convert(std::forward<U>(value));
-}
-
-template<typename T, typename U> inline JSC::JSValue toJS(JSC::JSGlobalObject& lexicalGlobalObject, U&& value)
-{
-    return JSConverterOverloader<T>::convert(lexicalGlobalObject, std::forward<U>(value));
-}
-
-template<typename T, typename U> inline JSC::JSValue toJS(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value)
-{
-    return JSConverterOverloader<T>::convert(lexicalGlobalObject, globalObject, std::forward<U>(value));
-}
-
-template<typename T, typename U> inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value)
-{
-    return JSConverter<T>::convertNewlyCreated(lexicalGlobalObject, globalObject, std::forward<U>(value));
-}
-
-template<typename T, typename U> inline JSC::JSValue toJS(JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& throwScope, U&& valueOrFunctor)
-{
-    if constexpr (std::is_invocable_v<U>) {
-        using FunctorReturnType = std::invoke_result_t<U>;
-
-        if constexpr (std::is_same_v<void, FunctorReturnType>) {
-            valueOrFunctor();
-            return JSC::jsUndefined();
-        } else if constexpr (std::is_same_v<ExceptionOr<void>, FunctorReturnType>) {
-            auto result = valueOrFunctor();
-            if (UNLIKELY(result.hasException())) {
-                propagateException(lexicalGlobalObject, throwScope, result.releaseException());
-                return {};
-            }
-            return JSC::jsUndefined();
-        } else
-            return toJS<T>(lexicalGlobalObject, throwScope, valueOrFunctor());
-    } else {
-        if constexpr (IsExceptionOr<U>) {
-            if (UNLIKELY(valueOrFunctor.hasException())) {
-                propagateException(lexicalGlobalObject, throwScope, valueOrFunctor.releaseException());
-                return {};
-            }
-
-            return toJS<T>(lexicalGlobalObject, valueOrFunctor.releaseReturnValue());
-        } else
-            return toJS<T>(lexicalGlobalObject, std::forward<U>(valueOrFunctor));
-    }
-}
-
-template<typename T, typename U> inline JSC::JSValue toJS(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, JSC::ThrowScope& throwScope, U&& valueOrFunctor)
-{
-    if constexpr (std::is_invocable_v<U>) {
-        using FunctorReturnType = std::invoke_result_t<U>;
-
-        if constexpr (std::is_same_v<void, FunctorReturnType>) {
-            valueOrFunctor();
-            return JSC::jsUndefined();
-        } else if constexpr (std::is_same_v<ExceptionOr<void>, FunctorReturnType>) {
-            auto result = valueOrFunctor();
-            if (UNLIKELY(result.hasException())) {
-                propagateException(lexicalGlobalObject, throwScope, result.releaseException());
-                return {};
-            }
-            return JSC::jsUndefined();
-        } else
-            return toJS<T>(lexicalGlobalObject, globalObject, throwScope, valueOrFunctor());
-    } else {
-        if constexpr (IsExceptionOr<U>) {
-            if (UNLIKELY(valueOrFunctor.hasException())) {
-                propagateException(lexicalGlobalObject, throwScope, valueOrFunctor.releaseException());
-                return {};
-            }
-
-            return toJS<T>(lexicalGlobalObject, globalObject, valueOrFunctor.releaseReturnValue());
-        } else
-            return toJS<T>(lexicalGlobalObject, globalObject, std::forward<U>(valueOrFunctor));
-    }
-}
-
-template<typename T, typename U> inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, JSC::ThrowScope& throwScope, U&& valueOrFunctor)
-{
-    if constexpr (std::is_invocable_v<U>) {
-        using FunctorReturnType = std::invoke_result_t<U>;
-
-        if constexpr (std::is_same_v<void, FunctorReturnType>) {
-            valueOrFunctor();
-            return JSC::jsUndefined();
-        } else if constexpr (std::is_same_v<ExceptionOr<void>, FunctorReturnType>) {
-            auto result = valueOrFunctor();
-            if (UNLIKELY(result.hasException())) {
-                propagateException(lexicalGlobalObject, throwScope, result.releaseException());
-                return {};
-            }
-            return JSC::jsUndefined();
-        } else
-            return toJSNewlyCreated<T>(lexicalGlobalObject, globalObject, throwScope, valueOrFunctor());
-
-    } else {
-        if constexpr (IsExceptionOr<U>) {
-            if (UNLIKELY(valueOrFunctor.hasException())) {
-                propagateException(lexicalGlobalObject, throwScope, valueOrFunctor.releaseException());
-                return {};
-            }
-
-            return toJSNewlyCreated<T>(lexicalGlobalObject, globalObject, valueOrFunctor.releaseReturnValue());
-        } else
-            return toJSNewlyCreated<T>(lexicalGlobalObject, globalObject, std::forward<U>(valueOrFunctor));
-    }
-}
-
-template<typename T> struct DefaultConverter {
-    using ReturnType = typename T::ImplementationType;
-
-    // We assume the worst, subtypes can override to be less pessimistic.
-    // An example of something that can have side effects
-    // is having a converter that does JSC::JSValue::toNumber.
-    // toNumber() in JavaScript can call arbitrary JS functions.
-    //
-    // An example of something that does not have side effects
-    // is something having a converter that does JSC::JSValue::toBoolean.
-    // toBoolean() in JS can't call arbitrary functions.
-    static constexpr bool conversionHasSideEffects = true;
-};
-
-// Conversion from JSValue -> Implementation for variadic arguments
-template<typename IDLType> struct VariadicConverter;
-
-} // namespace WebCore
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertBoolean.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertBoolean.h
deleted file mode 100644
index ed8ea5211..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertBoolean.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-
-namespace WebCore {
-
-template<> struct Converter<IDLBoolean> : DefaultConverter<IDLBoolean> {
-
-    static constexpr bool conversionHasSideEffects = false;
-
-    static bool convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return value.toBoolean(&lexicalGlobalObject);
-    }
-};
-
-template<> struct JSConverter<IDLBoolean> {
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(bool value)
-    {
-        return JSC::jsBoolean(value);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertBufferSource.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertBufferSource.h
deleted file mode 100644
index bab958a4f..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertBufferSource.h
+++ /dev/null
@@ -1,481 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "BufferSource.h"
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMWrapperCache.h"
-#include "JavaScriptCore/JSTypedArrays.h"
-
-namespace WebCore {
-
-struct IDLInt8Array : IDLTypedArray<JSC::Int8Array> {
-};
-struct IDLInt16Array : IDLTypedArray<JSC::Int16Array> {
-};
-struct IDLInt32Array : IDLTypedArray<JSC::Int32Array> {
-};
-struct IDLUint8Array : IDLTypedArray<JSC::Uint8Array> {
-};
-struct IDLUint16Array : IDLTypedArray<JSC::Uint16Array> {
-};
-struct IDLUint32Array : IDLTypedArray<JSC::Uint32Array> {
-};
-struct IDLUint8ClampedArray : IDLTypedArray<JSC::Uint8ClampedArray> {
-};
-struct IDLFloat32Array : IDLTypedArray<JSC::Float32Array> {
-};
-struct IDLFloat64Array : IDLTypedArray<JSC::Float64Array> {
-};
-struct IDLBigInt64Array : IDLTypedArray<JSC::BigInt64Array> {
-};
-struct IDLBigUint64Array : IDLTypedArray<JSC::BigUint64Array> {
-};
-
-inline RefPtr<JSC::Int8Array> toPossiblySharedInt8Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Int8Adaptor>(vm, value); }
-inline RefPtr<JSC::Int16Array> toPossiblySharedInt16Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Int16Adaptor>(vm, value); }
-inline RefPtr<JSC::Int32Array> toPossiblySharedInt32Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Int32Adaptor>(vm, value); }
-inline RefPtr<JSC::Uint8Array> toPossiblySharedUint8Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Uint8Adaptor>(vm, value); }
-inline RefPtr<JSC::Uint8ClampedArray> toPossiblySharedUint8ClampedArray(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Uint8ClampedAdaptor>(vm, value); }
-inline RefPtr<JSC::Uint16Array> toPossiblySharedUint16Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Uint16Adaptor>(vm, value); }
-inline RefPtr<JSC::Uint32Array> toPossiblySharedUint32Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Uint32Adaptor>(vm, value); }
-inline RefPtr<JSC::Float32Array> toPossiblySharedFloat32Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Float32Adaptor>(vm, value); }
-inline RefPtr<JSC::Float64Array> toPossiblySharedFloat64Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::Float64Adaptor>(vm, value); }
-inline RefPtr<JSC::BigInt64Array> toPossiblySharedBigInt64Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::BigInt64Adaptor>(vm, value); }
-inline RefPtr<JSC::BigUint64Array> toPossiblySharedBigUint64Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toPossiblySharedNativeTypedView<JSC::BigUint64Adaptor>(vm, value); }
-
-inline RefPtr<JSC::Int8Array> toUnsharedInt8Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Int8Adaptor>(vm, value); }
-inline RefPtr<JSC::Int16Array> toUnsharedInt16Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Int16Adaptor>(vm, value); }
-inline RefPtr<JSC::Int32Array> toUnsharedInt32Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Int32Adaptor>(vm, value); }
-inline RefPtr<JSC::Uint8Array> toUnsharedUint8Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Uint8Adaptor>(vm, value); }
-inline RefPtr<JSC::Uint8ClampedArray> toUnsharedUint8ClampedArray(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Uint8ClampedAdaptor>(vm, value); }
-inline RefPtr<JSC::Uint16Array> toUnsharedUint16Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Uint16Adaptor>(vm, value); }
-inline RefPtr<JSC::Uint32Array> toUnsharedUint32Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Uint32Adaptor>(vm, value); }
-inline RefPtr<JSC::Float32Array> toUnsharedFloat32Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Float32Adaptor>(vm, value); }
-inline RefPtr<JSC::Float64Array> toUnsharedFloat64Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::Float64Adaptor>(vm, value); }
-inline RefPtr<JSC::BigInt64Array> toUnsharedBigInt64Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::BigInt64Adaptor>(vm, value); }
-inline RefPtr<JSC::BigUint64Array> toUnsharedBigUint64Array(JSC::VM& vm, JSC::JSValue value) { return JSC::toUnsharedNativeTypedView<JSC::BigUint64Adaptor>(vm, value); }
-
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, JSC::ArrayBuffer& buffer)
-{
-    if (auto result = getCachedWrapper(globalObject->world(), buffer))
-        return result;
-
-    // The JSArrayBuffer::create function will register the wrapper in finishCreation.
-    return JSC::JSArrayBuffer::create(JSC::getVM(lexicalGlobalObject), globalObject->arrayBufferStructure(buffer.sharingMode()), &buffer);
-}
-
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSC::JSGlobalObject* globalObject, JSC::ArrayBufferView& view)
-{
-    return view.wrap(lexicalGlobalObject, globalObject);
-}
-
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, JSC::ArrayBuffer* buffer)
-{
-    if (!buffer)
-        return JSC::jsNull();
-    return toJS(lexicalGlobalObject, globalObject, *buffer);
-}
-
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSC::JSGlobalObject* globalObject, JSC::ArrayBufferView* view)
-{
-    if (!view)
-        return JSC::jsNull();
-    return toJS(lexicalGlobalObject, globalObject, *view);
-}
-
-inline RefPtr<JSC::ArrayBufferView> toPossiblySharedArrayBufferView(JSC::VM& vm, JSC::JSValue value)
-{
-    auto* wrapper = JSC::jsDynamicCast<JSC::JSArrayBufferView*>(value);
-    if (!wrapper)
-        return nullptr;
-    return wrapper->possiblySharedImpl();
-}
-
-inline RefPtr<JSC::ArrayBufferView> toUnsharedArrayBufferView(JSC::VM& vm, JSC::JSValue value)
-{
-    auto result = toPossiblySharedArrayBufferView(vm, value);
-    if (!result || result->isShared())
-        return nullptr;
-    return result;
-}
-
-namespace Detail {
-
-enum class BufferSourceConverterAllowSharedMode { Allow,
-    Disallow };
-template<typename BufferSourceType, BufferSourceConverterAllowSharedMode mode>
-struct BufferSourceConverter {
-    using WrapperType = typename Converter<BufferSourceType>::WrapperType;
-    using ReturnType = typename Converter<BufferSourceType>::ReturnType;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        ReturnType object {};
-        if constexpr (mode == BufferSourceConverterAllowSharedMode::Allow)
-            object = WrapperType::toWrappedAllowShared(vm, value);
-        else
-            object = WrapperType::toWrapped(vm, value);
-        if (UNLIKELY(!object))
-            exceptionThrower(lexicalGlobalObject, scope);
-        return object;
-    }
-};
-
-}
-
-template<> struct Converter<IDLArrayBuffer> : DefaultConverter<IDLArrayBuffer> {
-    using WrapperType = JSC::JSArrayBuffer;
-    using ReturnType = JSC::ArrayBuffer*;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLArrayBuffer, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLArrayBuffer> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLDataView> : DefaultConverter<IDLDataView> {
-    using WrapperType = JSC::JSDataView;
-    using ReturnType = RefPtr<JSC::DataView>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLDataView, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLDataView> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLInt8Array> : DefaultConverter<IDLInt8Array> {
-    using WrapperType = JSC::JSInt8Array;
-    using ReturnType = RefPtr<JSC::Int8Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLInt8Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLInt8Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLInt16Array> : DefaultConverter<IDLInt16Array> {
-    using WrapperType = JSC::JSInt16Array;
-    using ReturnType = RefPtr<JSC::Int16Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLInt16Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLInt16Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLInt32Array> : DefaultConverter<IDLInt32Array> {
-    using WrapperType = JSC::JSInt32Array;
-    using ReturnType = RefPtr<JSC::Int32Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLInt32Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLInt32Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLUint8Array> : DefaultConverter<IDLUint8Array> {
-    using WrapperType = JSC::JSUint8Array;
-    using ReturnType = RefPtr<JSC::Uint8Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLUint8Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLUint8Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-
-    template<typename U>
-    static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value)
-    {
-        return convert(lexicalGlobalObject, globalObject, std::forward<U>(value));
-    }
-};
-
-template<> struct Converter<IDLUint16Array> : DefaultConverter<IDLUint16Array> {
-    using WrapperType = JSC::JSUint16Array;
-    using ReturnType = RefPtr<JSC::Uint16Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLUint16Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLUint16Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLUint32Array> : DefaultConverter<IDLUint32Array> {
-    using WrapperType = JSC::JSUint32Array;
-    using ReturnType = RefPtr<JSC::Uint32Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLUint32Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLUint32Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLUint8ClampedArray> : DefaultConverter<IDLUint8ClampedArray> {
-    using WrapperType = JSC::JSUint8ClampedArray;
-    using ReturnType = RefPtr<JSC::Uint8ClampedArray>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLUint8ClampedArray, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLUint8ClampedArray> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLFloat32Array> : DefaultConverter<IDLFloat32Array> {
-    using WrapperType = JSC::JSFloat32Array;
-    using ReturnType = RefPtr<JSC::Float32Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLFloat32Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLFloat32Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLFloat64Array> : DefaultConverter<IDLFloat64Array> {
-    using WrapperType = JSC::JSFloat64Array;
-    using ReturnType = RefPtr<JSC::Float64Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLFloat64Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLFloat64Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLBigInt64Array> : DefaultConverter<IDLBigInt64Array> {
-    using WrapperType = JSC::JSBigInt64Array;
-    using ReturnType = RefPtr<JSC::BigInt64Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLBigInt64Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLBigInt64Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLBigUint64Array> : DefaultConverter<IDLBigUint64Array> {
-    using WrapperType = JSC::JSBigUint64Array;
-    using ReturnType = RefPtr<JSC::BigUint64Array>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLBigUint64Array, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLBigUint64Array> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<> struct Converter<IDLArrayBufferView> : DefaultConverter<IDLArrayBufferView> {
-    using WrapperType = JSC::JSArrayBufferView;
-    using ReturnType = RefPtr<JSC::ArrayBufferView>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<IDLArrayBufferView, Detail::BufferSourceConverterAllowSharedMode::Disallow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<> struct JSConverter<IDLArrayBufferView> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-template<typename T>
-struct Converter<IDLAllowSharedAdaptor<T>> : DefaultConverter<T> {
-    using ConverterType = Converter<T>;
-    using WrapperType = typename ConverterType::WrapperType;
-    using ReturnType = typename ConverterType::ReturnType;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        return Detail::BufferSourceConverter<T, Detail::BufferSourceConverterAllowSharedMode::Allow>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertCallbacks.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertCallbacks.h
deleted file mode 100644
index c98ad316b..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertCallbacks.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMGlobalObject.h"
-
-namespace WebCore {
-
-template<typename T> struct Converter<IDLCallbackFunction<T>> : DefaultConverter<IDLCallbackFunction<T>> {
-
-    static constexpr bool conversionHasSideEffects = false;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static RefPtr<T> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        if (!value.isCallable()) {
-            exceptionThrower(lexicalGlobalObject, scope);
-            return nullptr;
-        }
-
-        return T::create(vm, JSC::asObject(value));
-    }
-};
-
-template<typename T> struct JSConverter<IDLCallbackFunction<T>> {
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    template<typename U>
-    static JSC::JSValue convert(const U& value)
-    {
-        return toJS(Detail::getPtrOrRef(value));
-    }
-
-    template<typename U>
-    static JSC::JSValue convertNewlyCreated(U&& value)
-    {
-        return toJSNewlyCreated(std::forward<U>(value));
-    }
-};
-
-template<typename T> struct Converter<IDLCallbackInterface<T>> : DefaultConverter<IDLCallbackInterface<T>> {
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static RefPtr<T> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        if (!value.isObject()) {
-            exceptionThrower(lexicalGlobalObject, scope);
-            return nullptr;
-        }
-
-        return T::create(vm, JSC::asObject(value));
-    }
-};
-
-template<typename T> struct JSConverter<IDLCallbackInterface<T>> {
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    template<typename U>
-    static JSC::JSValue convert(const U& value)
-    {
-        return toJS(Detail::getPtrOrRef(value));
-    }
-
-    template<typename U>
-    static JSC::JSValue convertNewlyCreated(U&& value)
-    {
-        return toJSNewlyCreated(std::forward<U>(value));
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertDate.cpp b/src/javascript/jsc/bindings/webcore/JSDOMConvertDate.cpp
deleted file mode 100644
index c624bd25b..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertDate.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2004-2011, 2013, 2016 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "config.h"
-#include "JSDOMConvertDate.h"
-
-#include "JavaScriptCore/DateInstance.h"
-#include "JavaScriptCore/HeapInlines.h"
-#include "JavaScriptCore/JSCJSValueInlines.h"
-#include "JavaScriptCore/JSGlobalObject.h"
-
-namespace WebCore {
-using namespace JSC;
-
-JSValue jsDate(JSGlobalObject& lexicalGlobalObject, WallTime value)
-{
-    return DateInstance::create(lexicalGlobalObject.vm(), lexicalGlobalObject.dateStructure(), value.secondsSinceEpoch().milliseconds());
-}
-
-WallTime valueToDate(JSC::JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    double milliseconds = std::numeric_limits<double>::quiet_NaN();
-
-    auto& vm = lexicalGlobalObject.vm();
-    if (value.inherits<DateInstance>())
-        milliseconds = jsCast<DateInstance*>(value)->internalNumber();
-    else if (value.isNumber())
-        milliseconds = value.asNumber();
-    else if (value.isString())
-        milliseconds = vm.dateCache.parseDate(&lexicalGlobalObject, vm, value.getString(&lexicalGlobalObject));
-
-    return WallTime::fromRawSeconds(Seconds::fromMilliseconds(milliseconds).value());
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertDate.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertDate.h
deleted file mode 100644
index de0a9f770..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertDate.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JavaScriptCore/JSGlobalObject.h"
-#include "wtf/WallTime.h"
-
-namespace WebCore {
-
-JSC::JSValue jsDate(JSC::JSGlobalObject&, WallTime value);
-WallTime valueToDate(JSC::JSGlobalObject&, JSC::JSValue); // NaN if the value can't be converted to a date.
-
-template<> struct Converter<IDLDate> : DefaultConverter<IDLDate> {
-    static WallTime convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return valueToDate(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLDate> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    // FIXME: This should be taking a JSDOMGlobalObject and passing it to jsDate.
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, WallTime value)
-    {
-        return jsDate(lexicalGlobalObject, value);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertDictionary.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertDictionary.h
deleted file mode 100644
index 94173b16f..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertDictionary.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-
-namespace WebCore {
-
-// Specialized by generated code for IDL dictionary conversion.
-template<typename T> T convertDictionary(JSC::JSGlobalObject&, JSC::JSValue);
-
-
-template<typename T> struct Converter<IDLDictionary<T>> : DefaultConverter<IDLDictionary<T>> {
-    using ReturnType = T;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertDictionary<T>(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct JSConverter<IDLDictionary<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const T& dictionary)
-    {
-        return convertDictionaryToJS(lexicalGlobalObject, globalObject, dictionary);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertEnumeration.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertEnumeration.h
deleted file mode 100644
index d458e4aa8..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertEnumeration.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMGlobalObject.h"
-
-namespace WebCore {
-
-// Specialized by generated code for IDL enumeration conversion.
-template<typename T> std::optional<T> parseEnumeration(JSC::JSGlobalObject&, JSC::JSValue);
-template<typename T> const char* expectedEnumerationValues();
-
-// Specialized by generated code for IDL enumeration conversion.
-template<typename T> JSC::JSString* convertEnumerationToJS(JSC::JSGlobalObject&, T);
-
-
-template<typename T> struct Converter<IDLEnumeration<T>> : DefaultConverter<IDLEnumeration<T>> {
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static T convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto throwScope = DECLARE_THROW_SCOPE(vm);
-
-        auto result = parseEnumeration<T>(lexicalGlobalObject, value);
-        RETURN_IF_EXCEPTION(throwScope, { });
-
-        if (UNLIKELY(!result)) {
-            exceptionThrower(lexicalGlobalObject, throwScope);
-            return { };
-        }
-        return result.value();
-    }
-};
-
-template<typename T> struct JSConverter<IDLEnumeration<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, T value)
-    {
-        return convertEnumerationToJS(lexicalGlobalObject, value);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertEventListener.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertEventListener.h
deleted file mode 100644
index 09d0cbb6e..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertEventListener.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-
-namespace WebCore {
-
-template<typename T> struct Converter<IDLEventListener<T>> : DefaultConverter<IDLEventListener<T>> {
-    using ReturnType = RefPtr<T>;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSC::JSObject& thisObject, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        auto scope = DECLARE_THROW_SCOPE(JSC::getVM(&lexicalGlobalObject));
-
-        if (UNLIKELY(!value.isObject())) {
-            exceptionThrower(lexicalGlobalObject, scope);
-            return nullptr;
-        }
-
-        bool isAttribute = false;
-        return T::create(*asObject(value), thisObject, isAttribute, currentWorld(lexicalGlobalObject));
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertInterface.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertInterface.h
deleted file mode 100644
index 349276467..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertInterface.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "root.h"
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JavaScriptCore/Error.h"
-
-namespace WebCore {
-
-template<typename ImplementationClass> struct JSDOMWrapperConverterTraits;
-
-template<typename T, typename Enable = void>
-struct JSToWrappedOverloader {
-    using ReturnType = typename JSDOMWrapperConverterTraits<T>::ToWrappedReturnType;
-    using WrapperType = typename JSDOMWrapperConverterTraits<T>::WrapperClass;
-
-    static ReturnType toWrapped(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return WrapperType::toWrapped(JSC::getVM(&lexicalGlobalObject), value);
-    }
-};
-
-template<typename T>
-struct JSToWrappedOverloader<T, typename std::enable_if<JSDOMWrapperConverterTraits<T>::needsState>::type> {
-    using ReturnType = typename JSDOMWrapperConverterTraits<T>::ToWrappedReturnType;
-    using WrapperType = typename JSDOMWrapperConverterTraits<T>::WrapperClass;
-
-    static ReturnType toWrapped(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return WrapperType::toWrapped(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct Converter<IDLInterface<T>> : DefaultConverter<IDLInterface<T>> {
-    using ReturnType = typename JSDOMWrapperConverterTraits<T>::ToWrappedReturnType;
-    using WrapperType = typename JSDOMWrapperConverterTraits<T>::WrapperClass;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        ReturnType object = JSToWrappedOverloader<T>::toWrapped(lexicalGlobalObject, value);
-        if (UNLIKELY(!object))
-            exceptionThrower(lexicalGlobalObject, scope);
-        return object;
-    }
-};
-
-template<typename T> struct JSConverter<IDLInterface<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const U& value)
-    {
-        return toJS(&lexicalGlobalObject, &globalObject, Detail::getPtrOrRef(value));
-    }
-
-    template<typename U>
-    static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value)
-    {
-        return toJSNewlyCreated(&lexicalGlobalObject, &globalObject, std::forward<U>(value));
-    }
-};
-
-template<typename T> struct VariadicConverter<IDLInterface<T>> {
-    using Item = std::reference_wrapper<T>;
-
-    static std::optional<Item> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        auto* result = Converter<IDLInterface<T>>::convert(lexicalGlobalObject, value);
-        if (!result)
-            return std::nullopt;
-        return std::optional<Item> { *result };
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertJSON.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertJSON.h
deleted file mode 100644
index 9a289ef6c..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertJSON.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JavaScriptCore/JSONObject.h"
-
-namespace WebCore {
-
-template<> struct Converter<IDLJSON> : DefaultConverter<IDLJSON> {
-    static String convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return JSC::JSONStringify(&lexicalGlobalObject, value, 0);
-    }
-};
-
-template<> struct JSConverter<IDLJSON> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const String& value)
-    {
-        return JSC::JSONParse(&lexicalGlobalObject, value);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertNull.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertNull.h
deleted file mode 100644
index b132825d2..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertNull.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-
-namespace WebCore {
-
-template<> struct Converter<IDLNull> : DefaultConverter<IDLNull> {
-    static std::nullptr_t convert(JSC::JSGlobalObject&, JSC::JSValue)
-    {
-        return nullptr;
-    }
-};
-
-template<> struct JSConverter<IDLNull> {
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(std::nullptr_t)
-    {
-        return JSC::jsNull();
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertNullable.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertNullable.h
deleted file mode 100644
index a3e4b5cc4..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertNullable.h
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertStrings.h"
-
-namespace WebCore {
-
-namespace Detail {
-
-template<typename IDLType>
-struct NullableConversionType;
-
-template<typename IDLType> 
-struct NullableConversionType {
-    using Type = typename IDLNullable<IDLType>::ImplementationType;
-};
-
-template<typename T>
-struct NullableConversionType<IDLInterface<T>> {
-    using Type = typename Converter<IDLInterface<T>>::ReturnType;
-};
-
-template<>
-struct NullableConversionType<IDLAny> {
-    using Type = typename Converter<IDLAny>::ReturnType;
-};
-
-}
-
-template<typename T> struct Converter<IDLNullable<T>> : DefaultConverter<IDLNullable<T>> {
-    using ReturnType = typename Detail::NullableConversionType<T>::Type;
-    
-    // 1. If Type(V) is not Object, and the conversion to an IDL value is being performed
-    // due to V being assigned to an attribute whose type is a nullable callback function
-    // that is annotated with [LegacyTreatNonObjectAsNull], then return the IDL nullable
-    // type T? value null.
-    //
-    // NOTE: Handled elsewhere.
-    //
-    // 2. Otherwise, if V is null or undefined, then return the IDL nullable type T? value null.
-    // 3. Otherwise, return the result of converting V using the rules for the inner IDL type T.
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        if (value.isUndefinedOrNull())
-            return T::nullValue();
-        return Converter<T>::convert(lexicalGlobalObject, value);
-    }
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSC::JSObject& thisObject)
-    {
-        if (value.isUndefinedOrNull())
-            return T::nullValue();
-        return Converter<T>::convert(lexicalGlobalObject, value, thisObject);
-    }
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSDOMGlobalObject& globalObject)
-    {
-        if (value.isUndefinedOrNull())
-            return T::nullValue();
-        return Converter<T>::convert(lexicalGlobalObject, value, globalObject);
-    }
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower)
-    {
-        if (value.isUndefinedOrNull())
-            return T::nullValue();
-        return Converter<T>::convert(lexicalGlobalObject, value, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSC::JSObject& thisObject, ExceptionThrower&& exceptionThrower)
-    {
-        if (value.isUndefinedOrNull())
-            return T::nullValue();
-        return Converter<T>::convert(lexicalGlobalObject, value, thisObject, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSDOMGlobalObject& globalObject, ExceptionThrower&& exceptionThrower)
-    {
-        if (value.isUndefinedOrNull())
-            return T::nullValue();
-        return Converter<T>::convert(lexicalGlobalObject, value, globalObject, std::forward<ExceptionThrower>(exceptionThrower));
-    }
-};
-
-template<typename T> struct JSConverter<IDLNullable<T>> {
-    using ImplementationType = typename IDLNullable<T>::ImplementationType;
-
-    static constexpr bool needsState = JSConverter<T>::needsState;
-    static constexpr bool needsGlobalObject = JSConverter<T>::needsGlobalObject;
-
-    template<typename U>
-    static JSC::JSValue convert(U&& value)
-    {
-        if (T::isNullValue(value))
-            return JSC::jsNull();
-        return JSConverter<T>::convert(T::extractValueFromNullable(value));
-    }
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, U&& value)
-    {
-        if (T::isNullValue(value))
-            return JSC::jsNull();
-        return JSConverter<T>::convert(lexicalGlobalObject, T::extractValueFromNullable(value));
-    }
-    template<typename U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value)
-    {
-        if (T::isNullValue(value))
-            return JSC::jsNull();
-        return JSConverter<T>::convert(lexicalGlobalObject, globalObject, T::extractValueFromNullable(value));
-    }
-
-    template<typename U>
-    static JSC::JSValue convertNewlyCreated(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U&& value)
-    {
-        if (T::isNullValue(value))
-            return JSC::jsNull();
-        return JSConverter<T>::convert(lexicalGlobalObject, globalObject, T::extractValueFromNullable(value));
-    }
-};
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertNumbers.cpp b/src/javascript/jsc/bindings/webcore/JSDOMConvertNumbers.cpp
deleted file mode 100644
index 438d32723..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertNumbers.cpp
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2004-2011, 2013, 2016 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "config.h"
-#include "JSDOMConvertNumbers.h"
-
-#include "JSDOMExceptionHandling.h"
-#include "JavaScriptCore/HeapInlines.h"
-#include "JavaScriptCore/JSCJSValueInlines.h"
-#include "wtf/MathExtras.h"
-#include "wtf/text/StringConcatenateNumbers.h"
-#include "wtf/text/WTFString.h"
-
-namespace WebCore {
-using namespace JSC;
-
-enum class IntegerConversionConfiguration { Normal,
-    EnforceRange,
-    Clamp };
-
-static const int32_t kMaxInt32 = 0x7fffffff;
-static const int32_t kMinInt32 = -kMaxInt32 - 1;
-static const uint32_t kMaxUInt32 = 0xffffffffU;
-static const int64_t kJSMaxInteger = 0x20000000000000LL - 1; // 2^53 - 1, largest integer exactly representable in ECMAScript.
-
-static String rangeErrorString(double value, double min, double max)
-{
-    return makeString("Value ", value, " is outside the range [", min, ", ", max, ']');
-}
-
-static double enforceRange(JSGlobalObject& lexicalGlobalObject, double x, double minimum, double maximum)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    if (std::isnan(x) || std::isinf(x)) {
-        throwTypeError(&lexicalGlobalObject, scope, rangeErrorString(x, minimum, maximum));
-        return 0;
-    }
-    x = trunc(x);
-    if (x < minimum || x > maximum) {
-        throwTypeError(&lexicalGlobalObject, scope, rangeErrorString(x, minimum, maximum));
-        return 0;
-    }
-    return x;
-}
-
-namespace {
-
-template<typename T>
-struct IntTypeLimits {
-};
-
-template<>
-struct IntTypeLimits<int8_t> {
-    static const int8_t minValue = -128;
-    static const int8_t maxValue = 127;
-    static const unsigned numberOfValues = 256; // 2^8
-};
-
-template<>
-struct IntTypeLimits<uint8_t> {
-    static const uint8_t maxValue = 255;
-    static const unsigned numberOfValues = 256; // 2^8
-};
-
-template<>
-struct IntTypeLimits<int16_t> {
-    static const short minValue = -32768;
-    static const short maxValue = 32767;
-    static const unsigned numberOfValues = 65536; // 2^16
-};
-
-template<>
-struct IntTypeLimits<uint16_t> {
-    static const unsigned short maxValue = 65535;
-    static const unsigned numberOfValues = 65536; // 2^16
-};
-
-}
-
-template<typename T, IntegerConversionConfiguration configuration>
-static inline T toSmallerInt(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    static_assert(std::is_signed<T>::value && std::is_integral<T>::value, "Should only be used for signed integral types");
-
-    typedef IntTypeLimits<T> LimitsTrait;
-    // Fast path if the value is already a 32-bit signed integer in the right range.
-    if (value.isInt32()) {
-        int32_t d = value.asInt32();
-        if (d >= LimitsTrait::minValue && d <= LimitsTrait::maxValue)
-            return static_cast<T>(d);
-        switch (configuration) {
-        case IntegerConversionConfiguration::Normal:
-            break;
-        case IntegerConversionConfiguration::EnforceRange:
-            throwTypeError(&lexicalGlobalObject, scope);
-            return 0;
-        case IntegerConversionConfiguration::Clamp:
-            return d < LimitsTrait::minValue ? LimitsTrait::minValue : LimitsTrait::maxValue;
-        }
-        d %= LimitsTrait::numberOfValues;
-        return static_cast<T>(d > LimitsTrait::maxValue ? d - LimitsTrait::numberOfValues : d);
-    }
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, 0);
-
-    switch (configuration) {
-    case IntegerConversionConfiguration::Normal:
-        break;
-    case IntegerConversionConfiguration::EnforceRange:
-        return enforceRange(lexicalGlobalObject, x, LimitsTrait::minValue, LimitsTrait::maxValue);
-    case IntegerConversionConfiguration::Clamp:
-        return std::isnan(x) ? 0 : clampTo<T>(x);
-    }
-
-    if (std::isnan(x) || std::isinf(x) || !x)
-        return 0;
-
-    x = x < 0 ? -floor(fabs(x)) : floor(fabs(x));
-    x = fmod(x, LimitsTrait::numberOfValues);
-
-    return static_cast<T>(x > LimitsTrait::maxValue ? x - LimitsTrait::numberOfValues : x);
-}
-
-template<typename T, IntegerConversionConfiguration configuration>
-static inline T toSmallerUInt(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    static_assert(std::is_unsigned<T>::value && std::is_integral<T>::value, "Should only be used for unsigned integral types");
-
-    typedef IntTypeLimits<T> LimitsTrait;
-    // Fast path if the value is already a 32-bit unsigned integer in the right range.
-    if (value.isUInt32()) {
-        uint32_t d = value.asUInt32();
-        if (d <= LimitsTrait::maxValue)
-            return static_cast<T>(d);
-        switch (configuration) {
-        case IntegerConversionConfiguration::Normal:
-            return static_cast<T>(d);
-        case IntegerConversionConfiguration::EnforceRange:
-            throwTypeError(&lexicalGlobalObject, scope);
-            return 0;
-        case IntegerConversionConfiguration::Clamp:
-            return LimitsTrait::maxValue;
-        }
-    }
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, 0);
-
-    switch (configuration) {
-    case IntegerConversionConfiguration::Normal:
-        break;
-    case IntegerConversionConfiguration::EnforceRange:
-        return enforceRange(lexicalGlobalObject, x, 0, LimitsTrait::maxValue);
-    case IntegerConversionConfiguration::Clamp:
-        return std::isnan(x) ? 0 : clampTo<T>(x);
-    }
-
-    if (std::isnan(x) || std::isinf(x) || !x)
-        return 0;
-
-    x = x < 0 ? -floor(fabs(x)) : floor(fabs(x));
-    x = fmod(x, LimitsTrait::numberOfValues);
-    if (x < 0)
-        x += LimitsTrait::numberOfValues;
-    return static_cast<T>(x);
-}
-
-template<> int8_t convertToIntegerEnforceRange<int8_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerInt<int8_t, IntegerConversionConfiguration::EnforceRange>(lexicalGlobalObject, value);
-}
-
-template<> uint8_t convertToIntegerEnforceRange<uint8_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerUInt<uint8_t, IntegerConversionConfiguration::EnforceRange>(lexicalGlobalObject, value);
-}
-
-template<> int8_t convertToIntegerClamp<int8_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerInt<int8_t, IntegerConversionConfiguration::Clamp>(lexicalGlobalObject, value);
-}
-
-template<> uint8_t convertToIntegerClamp<uint8_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerUInt<uint8_t, IntegerConversionConfiguration::Clamp>(lexicalGlobalObject, value);
-}
-
-template<> int8_t convertToInteger<int8_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerInt<int8_t, IntegerConversionConfiguration::Normal>(lexicalGlobalObject, value);
-}
-
-template<> uint8_t convertToInteger<uint8_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerUInt<uint8_t, IntegerConversionConfiguration::Normal>(lexicalGlobalObject, value);
-}
-
-template<> int16_t convertToIntegerEnforceRange<int16_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerInt<int16_t, IntegerConversionConfiguration::EnforceRange>(lexicalGlobalObject, value);
-}
-
-template<> uint16_t convertToIntegerEnforceRange<uint16_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerUInt<uint16_t, IntegerConversionConfiguration::EnforceRange>(lexicalGlobalObject, value);
-}
-
-template<> int16_t convertToIntegerClamp<int16_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerInt<int16_t, IntegerConversionConfiguration::Clamp>(lexicalGlobalObject, value);
-}
-
-template<> uint16_t convertToIntegerClamp<uint16_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerUInt<uint16_t, IntegerConversionConfiguration::Clamp>(lexicalGlobalObject, value);
-}
-
-template<> int16_t convertToInteger<int16_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerInt<int16_t, IntegerConversionConfiguration::Normal>(lexicalGlobalObject, value);
-}
-
-template<> uint16_t convertToInteger<uint16_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return toSmallerUInt<uint16_t, IntegerConversionConfiguration::Normal>(lexicalGlobalObject, value);
-}
-
-template<> int32_t convertToIntegerEnforceRange<int32_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isInt32())
-        return value.asInt32();
-
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, 0);
-    return enforceRange(lexicalGlobalObject, x, kMinInt32, kMaxInt32);
-}
-
-template<> uint32_t convertToIntegerEnforceRange<uint32_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isUInt32())
-        return value.asUInt32();
-
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, 0);
-    return enforceRange(lexicalGlobalObject, x, 0, kMaxUInt32);
-}
-
-template<> int32_t convertToIntegerClamp<int32_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isInt32())
-        return value.asInt32();
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    return std::isnan(x) ? 0 : clampTo<int32_t>(x);
-}
-
-template<> uint32_t convertToIntegerClamp<uint32_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isUInt32())
-        return value.asUInt32();
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    return std::isnan(x) ? 0 : clampTo<uint32_t>(x);
-}
-
-template<> int32_t convertToInteger<int32_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return value.toInt32(&lexicalGlobalObject);
-}
-
-template<> uint32_t convertToInteger<uint32_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    return value.toUInt32(&lexicalGlobalObject);
-}
-
-template<> int64_t convertToIntegerEnforceRange<int64_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isInt32())
-        return value.asInt32();
-
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, 0);
-    return enforceRange(lexicalGlobalObject, x, -kJSMaxInteger, kJSMaxInteger);
-}
-
-template<> uint64_t convertToIntegerEnforceRange<uint64_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isUInt32())
-        return value.asUInt32();
-
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, 0);
-    return enforceRange(lexicalGlobalObject, x, 0, kJSMaxInteger);
-}
-
-template<> int64_t convertToIntegerClamp<int64_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isInt32())
-        return value.asInt32();
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    return std::isnan(x) ? 0 : static_cast<int64_t>(std::min<double>(std::max<double>(x, -kJSMaxInteger), kJSMaxInteger));
-}
-
-template<> uint64_t convertToIntegerClamp<uint64_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isUInt32())
-        return value.asUInt32();
-
-    double x = value.toNumber(&lexicalGlobalObject);
-    return std::isnan(x) ? 0 : static_cast<uint64_t>(std::min<double>(std::max<double>(x, 0), kJSMaxInteger));
-}
-
-template<> int64_t convertToInteger<int64_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isInt32())
-        return value.asInt32();
-
-    double x = value.toNumber(&lexicalGlobalObject);
-
-    // Map NaNs and +/-Infinity to 0; convert finite values modulo 2^64.
-    unsigned long long n;
-    doubleToInteger(x, n);
-    return n;
-}
-
-template<> uint64_t convertToInteger<uint64_t>(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    if (value.isUInt32())
-        return value.asUInt32();
-
-    double x = value.toNumber(&lexicalGlobalObject);
-
-    // Map NaNs and +/-Infinity to 0; convert finite values modulo 2^64.
-    unsigned long long n;
-    doubleToInteger(x, n);
-    return n;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertNumbers.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertNumbers.h
deleted file mode 100644
index 29413d8d9..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertNumbers.h
+++ /dev/null
@@ -1,411 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMExceptionHandling.h"
-#include <JavaScriptCore/JSCJSValueInlines.h>
-#include <JavaScriptCore/PureNaN.h>
-
-namespace WebCore {
-
-// The following functions convert values to integers as per the WebIDL specification.
-// The conversion fails if the value cannot be converted to a number or, if EnforceRange is specified,
-// the value is outside the range of the destination integer type.
-
-template<typename T> T convertToInteger(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int8_t convertToInteger<int8_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint8_t convertToInteger<uint8_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int16_t convertToInteger<int16_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint16_t convertToInteger<uint16_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int32_t convertToInteger<int32_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint32_t convertToInteger<uint32_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int64_t convertToInteger<int64_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint64_t convertToInteger<uint64_t>(JSC::JSGlobalObject&, JSC::JSValue);
-
-template<typename T> T convertToIntegerEnforceRange(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int8_t convertToIntegerEnforceRange<int8_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint8_t convertToIntegerEnforceRange<uint8_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int16_t convertToIntegerEnforceRange<int16_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint16_t convertToIntegerEnforceRange<uint16_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int32_t convertToIntegerEnforceRange<int32_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint32_t convertToIntegerEnforceRange<uint32_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int64_t convertToIntegerEnforceRange<int64_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint64_t convertToIntegerEnforceRange<uint64_t>(JSC::JSGlobalObject&, JSC::JSValue);
-
-template<typename T> T convertToIntegerClamp(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int8_t convertToIntegerClamp<int8_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint8_t convertToIntegerClamp<uint8_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int16_t convertToIntegerClamp<int16_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint16_t convertToIntegerClamp<uint16_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int32_t convertToIntegerClamp<int32_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint32_t convertToIntegerClamp<uint32_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT int64_t convertToIntegerClamp<int64_t>(JSC::JSGlobalObject&, JSC::JSValue);
-template<> WEBCORE_EXPORT uint64_t convertToIntegerClamp<uint64_t>(JSC::JSGlobalObject&, JSC::JSValue);
-
-// MARK: -
-// MARK: Integer types
-
-template<> struct Converter<IDLByte> : DefaultConverter<IDLByte> {
-    static int8_t convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToInteger<int8_t>(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLByte> {
-    using Type = typename IDLByte::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLOctet> : DefaultConverter<IDLOctet> {
-    static uint8_t convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToInteger<uint8_t>(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLOctet> {
-    using Type = typename IDLOctet::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLShort> : DefaultConverter<IDLShort> {
-    static int16_t convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToInteger<int16_t>(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLShort> {
-    using Type = typename IDLShort::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLUnsignedShort> : DefaultConverter<IDLUnsignedShort> {
-    static uint16_t convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToInteger<uint16_t>(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLUnsignedShort> {
-    using Type = typename IDLUnsignedShort::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLLong> : DefaultConverter<IDLLong> {
-    static inline int32_t convert(JSC::JSGlobalObject&, JSC::ThrowScope&, double number)
-    {
-        return JSC::toInt32(number);
-    }
-
-    static int32_t convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToInteger<int32_t>(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLLong> {
-    using Type = typename IDLLong::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLUnsignedLong> : DefaultConverter<IDLUnsignedLong> {
-    static uint32_t convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToInteger<uint32_t>(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLUnsignedLong> {
-    using Type = typename IDLUnsignedLong::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLLongLong> : DefaultConverter<IDLLongLong> {
-    static int64_t convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToInteger<int64_t>(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLLongLong> {
-    using Type = typename IDLLongLong::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLUnsignedLongLong> : DefaultConverter<IDLUnsignedLongLong> {
-    static uint64_t convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToInteger<uint64_t>(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLUnsignedLongLong> {
-    using Type = typename IDLUnsignedLongLong::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-// MARK: -
-// MARK: Annotated Integer types
-
-template<typename T> struct Converter<IDLClampAdaptor<T>> : DefaultConverter<IDLClampAdaptor<T>> {
-    using ReturnType = typename IDLClampAdaptor<T>::ImplementationType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToIntegerClamp<ReturnType>(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct JSConverter<IDLClampAdaptor<T>> {
-    using Type = typename IDLClampAdaptor<T>::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSConverter<T>::convert(value);
-    }
-};
-
-
-template<typename T> struct Converter<IDLEnforceRangeAdaptor<T>> : DefaultConverter<IDLEnforceRangeAdaptor<T>> {
-    using ReturnType = typename IDLEnforceRangeAdaptor<T>::ImplementationType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertToIntegerEnforceRange<ReturnType>(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct JSConverter<IDLEnforceRangeAdaptor<T>> {
-    using Type = typename IDLEnforceRangeAdaptor<T>::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSConverter<T>::convert(value);
-    }
-};
-
-
-// MARK: -
-// MARK: Floating point types
-
-template<> struct Converter<IDLFloat> : DefaultConverter<IDLFloat> {
-
-    static inline float convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope, double number)
-    {
-        if (UNLIKELY(!std::isfinite(number)))
-            throwNonFiniteTypeError(lexicalGlobalObject, scope);
-        return static_cast<float>(number);
-    }
-
-    static float convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        double number = value.toNumber(&lexicalGlobalObject);
-        RETURN_IF_EXCEPTION(scope, 0.0);
-        if (UNLIKELY(number < std::numeric_limits<float>::lowest() || number > std::numeric_limits<float>::max()))
-            throwTypeError(&lexicalGlobalObject, scope, "The provided value is outside the range of a float"_s);
-        if (UNLIKELY(!std::isfinite(number)))
-            throwNonFiniteTypeError(lexicalGlobalObject, scope);
-        return static_cast<float>(number);
-    }
-};
-
-template<> struct JSConverter<IDLFloat> {
-    using Type = typename IDLFloat::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLUnrestrictedFloat> : DefaultConverter<IDLUnrestrictedFloat> {
-    static inline float convert(JSC::JSGlobalObject&, JSC::ThrowScope&, double number)
-    {
-        return static_cast<float>(number);
-    }
-
-    static float convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        double number = value.toNumber(&lexicalGlobalObject);
-        RETURN_IF_EXCEPTION(scope, 0.0);
-
-        if (UNLIKELY(number < std::numeric_limits<float>::lowest()))
-            return -std::numeric_limits<float>::infinity();
-        if (UNLIKELY(number > std::numeric_limits<float>::max()))
-            return std::numeric_limits<float>::infinity();
-        return static_cast<float>(number);
-    }
-};
-
-template<> struct JSConverter<IDLUnrestrictedFloat> {
-    using Type = typename IDLUnrestrictedFloat::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLDouble> : DefaultConverter<IDLDouble> {
-    static inline double convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope, double number)
-    {
-        if (UNLIKELY(!std::isfinite(number)))
-            throwNonFiniteTypeError(lexicalGlobalObject, scope);
-        return number;
-    }
-
-    static double convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        double number = value.toNumber(&lexicalGlobalObject);
-        RETURN_IF_EXCEPTION(scope, 0.0);
-        if (UNLIKELY(!std::isfinite(number)))
-            throwNonFiniteTypeError(lexicalGlobalObject, scope);
-        return number;
-    }
-};
-
-template<> struct JSConverter<IDLDouble> {
-    using Type = typename IDLDouble::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        ASSERT(!std::isnan(value));
-        return JSC::jsNumber(value);
-    }
-};
-
-template<> struct Converter<IDLUnrestrictedDouble> : DefaultConverter<IDLUnrestrictedDouble> {
-    static inline double convert(JSC::JSGlobalObject&, JSC::ThrowScope&, double number)
-    {
-        return number;
-    }
-
-    static double convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return value.toNumber(&lexicalGlobalObject);
-    }
-};
-
-template<> struct JSConverter<IDLUnrestrictedDouble> {
-    using Type = typename IDLUnrestrictedDouble::ImplementationType;
-
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(Type value)
-    {
-        return JSC::jsNumber(JSC::purifyNaN(value));
-    }
-
-    // Add overload for MediaTime.
-    static JSC::JSValue convert(const MediaTime& value)
-    {
-        return JSC::jsNumber(JSC::purifyNaN(value.toDouble()));
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertObject.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertObject.h
deleted file mode 100644
index 24dacac9e..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertObject.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JavaScriptCore/StrongInlines.h"
-
-namespace WebCore {
-
-template<> struct Converter<IDLObject> : DefaultConverter<IDLObject> {
-
-    static constexpr bool conversionHasSideEffects = false;
-
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static JSC::Strong<JSC::JSObject> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        if (!value.isObject()) {
-            exceptionThrower(lexicalGlobalObject, scope);
-            return {};
-        }
-
-        return { vm, JSC::asObject(value) };
-    }
-};
-
-template<> struct JSConverter<IDLObject> {
-    static constexpr bool needsState = false;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(const JSC::Strong<JSC::JSObject>& value)
-    {
-        return value.get();
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertPromise.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertPromise.h
deleted file mode 100644
index e01a99884..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertPromise.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMPromise.h"
-// #include "WorkerGlobalScope.h"
-
-namespace WebCore {
-
-template<typename T> struct Converter<IDLPromise<T>> : DefaultConverter<IDLPromise<T>> {
-    using ReturnType = RefPtr<DOMPromise>;
-
-    // https://webidl.spec.whatwg.org/#es-promise
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        auto* globalObject = JSC::jsDynamicCast<JSDOMGlobalObject*>(&lexicalGlobalObject);
-        if (!globalObject)
-            return nullptr;
-
-        // 1. Let resolve be the original value of %Promise%.resolve.
-        // 2. Let promise be the result of calling resolve with %Promise% as the this value and V as the single argument value.
-        auto* promise = JSC::JSPromise::resolvedPromise(globalObject, value);
-        if (scope.exception()) {
-            auto* scriptExecutionContext = globalObject->scriptExecutionContext();
-            // if (is<WorkerGlobalScope>(scriptExecutionContext)) {
-            //     auto* scriptController = downcast<WorkerGlobalScope>(*scriptExecutionContext).script();
-            //     bool terminatorCausedException = vm.isTerminationException(scope.exception());
-            //     if (terminatorCausedException || (scriptController && scriptController->isTerminatingExecution())) {
-            //         scriptController->forbidExecution();
-            //         return nullptr;
-            //     }
-            // }
-            exceptionThrower(lexicalGlobalObject, scope);
-            return nullptr;
-        }
-        ASSERT(promise);
-
-        // 3. Return the IDL promise type value that is a reference to the same object as promise.
-        return DOMPromise::create(*globalObject, *promise);
-    }
-};
-
-template<typename T> struct JSConverter<IDLPromise<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject&, JSDOMGlobalObject&, DOMPromise& promise)
-    {
-        return promise.promise();
-    }
-
-    template<template<typename> class U>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, U<T>& promiseProxy)
-    {
-        return promiseProxy.promise(lexicalGlobalObject, globalObject);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertRecord.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertRecord.h
deleted file mode 100644
index 0f4c84eff..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertRecord.h
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * Copyright (C) 2016-2019 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMGlobalObject.h"
-#include "JavaScriptCore/ObjectConstructor.h"
-
-namespace WebCore {
-
-namespace Detail {
-
-template<typename IDLStringType>
-struct IdentifierConverter;
-
-template<> struct IdentifierConverter<IDLDOMString> {
-    static String convert(JSC::JSGlobalObject& lexicalGlobalObject, const JSC::Identifier& identifier)
-    {
-        return identifierToString(lexicalGlobalObject, identifier);
-    }
-};
-
-template<> struct IdentifierConverter<IDLByteString> {
-    static String convert(JSC::JSGlobalObject& lexicalGlobalObject, const JSC::Identifier& identifier)
-    {
-        return identifierToByteString(lexicalGlobalObject, identifier);
-    }
-};
-
-template<> struct IdentifierConverter<IDLUSVString> {
-    static String convert(JSC::JSGlobalObject& lexicalGlobalObject, const JSC::Identifier& identifier)
-    {
-        return identifierToUSVString(lexicalGlobalObject, identifier);
-    }
-};
-
-}
-
-template<typename K, typename V> struct Converter<IDLRecord<K, V>> : DefaultConverter<IDLRecord<K, V>> {
-    using ReturnType = typename IDLRecord<K, V>::ImplementationType;
-    using KeyType = typename K::ImplementationType;
-    using ValueType = typename V::ImplementationType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSDOMGlobalObject& globalObject)
-    {
-        return convertRecord<JSDOMGlobalObject&>(lexicalGlobalObject, value, globalObject);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return convertRecord(lexicalGlobalObject, value);
-    }
-
-private:
-    template<class... Args>
-    static ReturnType convertRecord(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, Args... args)
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        // 1. Let result be a new empty instance of record<K, V>.
-        // 2. If Type(O) is Undefined or Null, return result.
-        if (value.isUndefinedOrNull())
-            return {};
-
-        // 3. If Type(O) is not Object, throw a TypeError.
-        if (!value.isObject()) {
-            throwTypeError(&lexicalGlobalObject, scope);
-            return {};
-        }
-
-        JSC::JSObject* object = JSC::asObject(value);
-
-        ReturnType result;
-        HashMap<KeyType, size_t> resultMap;
-
-        // 4. Let keys be ? O.[[OwnPropertyKeys]]().
-        JSC::PropertyNameArray keys(vm, JSC::PropertyNameMode::StringsAndSymbols, JSC::PrivateSymbolMode::Exclude);
-        object->methodTable()->getOwnPropertyNames(object, &lexicalGlobalObject, keys, JSC::DontEnumPropertiesMode::Include);
-        RETURN_IF_EXCEPTION(scope, {});
-
-        // 5. Repeat, for each element key of keys in List order:
-        for (auto& key : keys) {
-            // 1. Let desc be ? O.[[GetOwnProperty]](key).
-            JSC::PropertySlot slot(object, JSC::PropertySlot::InternalMethodType::GetOwnProperty);
-            bool hasProperty = object->methodTable()->getOwnPropertySlot(object, &lexicalGlobalObject, key, slot);
-            RETURN_IF_EXCEPTION(scope, {});
-
-            // 2. If desc is not undefined and desc.[[Enumerable]] is true:
-
-            // It's necessary to filter enumerable here rather than using DontEnumPropertiesMode::Exclude,
-            // to prevent an observable extra [[GetOwnProperty]] operation in the case of ProxyObject records.
-            if (hasProperty && !(slot.attributes() & JSC::PropertyAttribute::DontEnum)) {
-                // 1. Let typedKey be key converted to an IDL value of type K.
-                auto typedKey = Detail::IdentifierConverter<K>::convert(lexicalGlobalObject, key);
-                RETURN_IF_EXCEPTION(scope, {});
-
-                // 2. Let value be ? Get(O, key).
-                JSC::JSValue subValue;
-                if (LIKELY(!slot.isTaintedByOpaqueObject()))
-                    subValue = slot.getValue(&lexicalGlobalObject, key);
-                else
-                    subValue = object->get(&lexicalGlobalObject, key);
-                RETURN_IF_EXCEPTION(scope, {});
-
-                // 3. Let typedValue be value converted to an IDL value of type V.
-                auto typedValue = Converter<V>::convert(lexicalGlobalObject, subValue, args...);
-                RETURN_IF_EXCEPTION(scope, {});
-
-                // 4. Set result[typedKey] to typedValue.
-                // Note: It's possible that typedKey is already in result if K is USVString and key contains unpaired surrogates.
-                if constexpr (std::is_same_v<K, IDLUSVString>) {
-                    if (!typedKey.is8Bit()) {
-                        auto addResult = resultMap.add(typedKey, result.size());
-                        if (!addResult.isNewEntry) {
-                            ASSERT(result[addResult.iterator->value].key == typedKey);
-                            result[addResult.iterator->value].value = WTFMove(typedValue);
-                            continue;
-                        }
-                    }
-                } else
-                    UNUSED_VARIABLE(resultMap);
-
-                // 5. Otherwise, append to result a mapping (typedKey, typedValue).
-                result.append({ WTFMove(typedKey), WTFMove(typedValue) });
-            }
-        }
-
-        // 6. Return result.
-        return result;
-    }
-};
-
-template<typename K, typename V> struct JSConverter<IDLRecord<K, V>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename MapType>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const MapType& map)
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-
-        // 1. Let result be ! ObjectCreate(%ObjectPrototype%).
-        auto result = constructEmptyObject(&lexicalGlobalObject, globalObject.objectPrototype());
-
-        // 2. Repeat, for each mapping (key, value) in D:
-        for (const auto& keyValuePair : map) {
-            // 1. Let esKey be key converted to an ECMAScript value.
-            // Note, this step is not required, as we need the key to be
-            // an Identifier, not a JSValue.
-
-            // 2. Let esValue be value converted to an ECMAScript value.
-            auto esValue = toJS<V>(lexicalGlobalObject, globalObject, keyValuePair.value);
-
-            // 3. Let created be ! CreateDataProperty(result, esKey, esValue).
-            bool created = result->putDirect(vm, JSC::Identifier::fromString(vm, keyValuePair.key), esValue);
-
-            // 4. Assert: created is true.
-            ASSERT_UNUSED(created, created);
-        }
-
-        // 3. Return result.
-        return result;
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertScheduledAction.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertScheduledAction.h
deleted file mode 100644
index 72fb8450d..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertScheduledAction.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertStrings.h"
-#include "ScheduledAction.h"
-
-namespace WebCore {
-
-template<> struct Converter<IDLScheduledAction> : DefaultConverter<IDLScheduledAction> {
-    static std::unique_ptr<ScheduledAction> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, JSDOMGlobalObject& globalObject)
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        if (!value.isCallable()) {
-            auto code = Converter<IDLDOMString>::convert(lexicalGlobalObject, value);
-            RETURN_IF_EXCEPTION(scope, nullptr);
-            return ScheduledAction::create(globalObject.world(), WTFMove(code));
-        }
-
-        // The value must be an object at this point because no non-object values are callable.
-        ASSERT(value.isObject());
-        return ScheduledAction::create(globalObject.world(), JSC::Strong<JSC::Unknown> { vm, JSC::asObject(value) });
-    }
-};
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertSequences.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertSequences.h
deleted file mode 100644
index a08336f64..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertSequences.h
+++ /dev/null
@@ -1,435 +0,0 @@
-/*
- * Copyright (C) 2016-2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMGlobalObject.h"
-#include "JavaScriptCore/IteratorOperations.h"
-#include "JavaScriptCore/JSArray.h"
-#include "JavaScriptCore/JSGlobalObjectInlines.h"
-#include "JavaScriptCore/ObjectConstructor.h"
-
-namespace WebCore {
-
-namespace Detail {
-
-template<typename IDLType>
-struct GenericSequenceConverter {
-    using ReturnType = Vector<typename IDLType::SequenceStorageType>;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object)
-    {
-        return convert(lexicalGlobalObject, object, ReturnType());
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, ReturnType&& result)
-    {
-        forEachInIterable(&lexicalGlobalObject, object, [&result](JSC::VM& vm, JSC::JSGlobalObject* lexicalGlobalObject, JSC::JSValue nextValue) {
-            auto scope = DECLARE_THROW_SCOPE(vm);
-
-            auto convertedValue = Converter<IDLType>::convert(*lexicalGlobalObject, nextValue);
-            if (UNLIKELY(scope.exception()))
-                return;
-            result.append(WTFMove(convertedValue));
-        });
-        return WTFMove(result);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return convert(lexicalGlobalObject, object, method, ReturnType());
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method, ReturnType&& result)
-    {
-        forEachInIterable(lexicalGlobalObject, object, method, [&result](JSC::VM& vm, JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue nextValue) {
-            auto scope = DECLARE_THROW_SCOPE(vm);
-
-            auto convertedValue = Converter<IDLType>::convert(lexicalGlobalObject, nextValue);
-            if (UNLIKELY(scope.exception()))
-                return;
-            result.append(WTFMove(convertedValue));
-        });
-        return WTFMove(result);
-    }
-};
-
-// Specialization for numeric types
-// FIXME: This is only implemented for the IDLFloatingPointTypes and IDLLong. To add
-// support for more numeric types, add an overload of Converter<IDLType>::convert that
-// takes a JSGlobalObject, ThrowScope and double as its arguments.
-template<typename IDLType>
-struct NumericSequenceConverter {
-    using GenericConverter = GenericSequenceConverter<IDLType>;
-    using ReturnType = typename GenericConverter::ReturnType;
-
-    static ReturnType convertArray(JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope, JSC::JSArray* array, unsigned length, JSC::IndexingType indexingType, ReturnType&& result)
-    {
-        if (indexingType == JSC::Int32Shape) {
-            for (unsigned i = 0; i < length; i++) {
-                auto indexValue = array->butterfly()->contiguousInt32().at(array, i).get();
-                ASSERT(!indexValue || indexValue.isInt32());
-                if (!indexValue)
-                    result.uncheckedAppend(0);
-                else
-                    result.uncheckedAppend(indexValue.asInt32());
-            }
-            return WTFMove(result);
-        }
-
-        ASSERT(indexingType == JSC::DoubleShape);
-        for (unsigned i = 0; i < length; i++) {
-            double doubleValue = array->butterfly()->contiguousDouble().at(array, i);
-            if (std::isnan(doubleValue))
-                result.uncheckedAppend(0);
-            else {
-                auto convertedValue = Converter<IDLType>::convert(lexicalGlobalObject, scope, doubleValue);
-                RETURN_IF_EXCEPTION(scope, {});
-
-                result.uncheckedAppend(convertedValue);
-            }
-        }
-        return WTFMove(result);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        if (!value.isObject()) {
-            throwSequenceTypeError(lexicalGlobalObject, scope);
-            return {};
-        }
-
-        JSC::JSObject* object = JSC::asObject(value);
-        if (!JSC::isJSArray(object))
-            RELEASE_AND_RETURN(scope, GenericConverter::convert(lexicalGlobalObject, object));
-
-        JSC::JSArray* array = JSC::asArray(object);
-        if (!array->isIteratorProtocolFastAndNonObservable())
-            RELEASE_AND_RETURN(scope, GenericConverter::convert(lexicalGlobalObject, object));
-
-        unsigned length = array->length();
-        ReturnType result;
-        // If we're not an int32/double array, it's possible that converting a
-        // JSValue to a number could cause the iterator protocol to change, hence,
-        // we may need more capacity, or less. In such cases, we use the length
-        // as a proxy for the capacity we will most likely need (it's unlikely that
-        // a program is written with a valueOf that will augment the iterator protocol).
-        // If we are an int32/double array, then length is precisely the capacity we need.
-        if (!result.tryReserveCapacity(length)) {
-            // FIXME: Is the right exception to throw?
-            throwTypeError(&lexicalGlobalObject, scope);
-            return {};
-        }
-
-        JSC::IndexingType indexingType = array->indexingType() & JSC::IndexingShapeMask;
-        if (indexingType != JSC::Int32Shape && indexingType != JSC::DoubleShape)
-            RELEASE_AND_RETURN(scope, GenericConverter::convert(lexicalGlobalObject, object, WTFMove(result)));
-
-        return convertArray(lexicalGlobalObject, scope, array, length, indexingType, WTFMove(result));
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        if (!JSC::isJSArray(object))
-            RELEASE_AND_RETURN(scope, GenericConverter::convert(lexicalGlobalObject, object, method));
-
-        JSC::JSArray* array = JSC::asArray(object);
-        if (!array->isIteratorProtocolFastAndNonObservable())
-            RELEASE_AND_RETURN(scope, GenericConverter::convert(lexicalGlobalObject, object, method));
-
-        unsigned length = array->length();
-        ReturnType result;
-        // If we're not an int32/double array, it's possible that converting a
-        // JSValue to a number could cause the iterator protocol to change, hence,
-        // we may need more capacity, or less. In such cases, we use the length
-        // as a proxy for the capacity we will most likely need (it's unlikely that
-        // a program is written with a valueOf that will augment the iterator protocol).
-        // If we are an int32/double array, then length is precisely the capacity we need.
-        if (!result.tryReserveCapacity(length)) {
-            // FIXME: Is the right exception to throw?
-            throwTypeError(&lexicalGlobalObject, scope);
-            return {};
-        }
-
-        JSC::IndexingType indexingType = array->indexingType() & JSC::IndexingShapeMask;
-        if (indexingType != JSC::Int32Shape && indexingType != JSC::DoubleShape)
-            RELEASE_AND_RETURN(scope, GenericConverter::convert(lexicalGlobalObject, object, method, WTFMove(result)));
-
-        return convertArray(lexicalGlobalObject, scope, array, length, indexingType, WTFMove(result));
-    }
-};
-
-template<typename IDLType>
-struct SequenceConverter {
-    using GenericConverter = GenericSequenceConverter<IDLType>;
-    using ReturnType = typename GenericConverter::ReturnType;
-
-    static ReturnType convertArray(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSArray* array)
-    {
-        auto& vm = lexicalGlobalObject.vm();
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        unsigned length = array->length();
-
-        ReturnType result;
-        if (!result.tryReserveCapacity(length)) {
-            // FIXME: Is the right exception to throw?
-            throwTypeError(&lexicalGlobalObject, scope);
-            return {};
-        }
-
-        JSC::IndexingType indexingType = array->indexingType() & JSC::IndexingShapeMask;
-
-        if (indexingType == JSC::ContiguousShape) {
-            for (unsigned i = 0; i < length; i++) {
-                auto indexValue = array->butterfly()->contiguous().at(array, i).get();
-                if (!indexValue)
-                    indexValue = JSC::jsUndefined();
-
-                auto convertedValue = Converter<IDLType>::convert(lexicalGlobalObject, indexValue);
-                RETURN_IF_EXCEPTION(scope, {});
-
-                result.uncheckedAppend(convertedValue);
-            }
-            return result;
-        }
-
-        for (unsigned i = 0; i < length; i++) {
-            auto indexValue = array->getDirectIndex(&lexicalGlobalObject, i);
-            RETURN_IF_EXCEPTION(scope, {});
-
-            if (!indexValue)
-                indexValue = JSC::jsUndefined();
-
-            auto convertedValue = Converter<IDLType>::convert(lexicalGlobalObject, indexValue);
-            RETURN_IF_EXCEPTION(scope, {});
-
-            result.uncheckedAppend(convertedValue);
-        }
-        return result;
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        if (!value.isObject()) {
-            throwSequenceTypeError(lexicalGlobalObject, scope);
-            return {};
-        }
-
-        JSC::JSObject* object = JSC::asObject(value);
-        if (Converter<IDLType>::conversionHasSideEffects)
-            RELEASE_AND_RETURN(scope, (GenericConverter::convert(lexicalGlobalObject, object)));
-
-        if (!JSC::isJSArray(object))
-            RELEASE_AND_RETURN(scope, (GenericConverter::convert(lexicalGlobalObject, object)));
-
-        JSC::JSArray* array = JSC::asArray(object);
-        if (!array->isIteratorProtocolFastAndNonObservable())
-            RELEASE_AND_RETURN(scope, (GenericConverter::convert(lexicalGlobalObject, object)));
-
-        RELEASE_AND_RETURN(scope, (convertArray(lexicalGlobalObject, array)));
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        if (Converter<IDLType>::conversionHasSideEffects)
-            return GenericConverter::convert(lexicalGlobalObject, object, method);
-
-        if (!JSC::isJSArray(object))
-            return GenericConverter::convert(lexicalGlobalObject, object, method);
-
-        JSC::JSArray* array = JSC::asArray(object);
-        if (!array->isIteratorProtocolFastAndNonObservable())
-            return GenericConverter::convert(lexicalGlobalObject, object, method);
-
-        return convertArray(lexicalGlobalObject, array);
-    }
-};
-
-template<>
-struct SequenceConverter<IDLLong> {
-    using ReturnType = typename GenericSequenceConverter<IDLLong>::ReturnType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return NumericSequenceConverter<IDLLong>::convert(lexicalGlobalObject, value);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return NumericSequenceConverter<IDLLong>::convert(lexicalGlobalObject, object, method);
-    }
-};
-
-template<>
-struct SequenceConverter<IDLFloat> {
-    using ReturnType = typename GenericSequenceConverter<IDLFloat>::ReturnType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return NumericSequenceConverter<IDLFloat>::convert(lexicalGlobalObject, value);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return NumericSequenceConverter<IDLFloat>::convert(lexicalGlobalObject, object, method);
-    }
-};
-
-template<>
-struct SequenceConverter<IDLUnrestrictedFloat> {
-    using ReturnType = typename GenericSequenceConverter<IDLUnrestrictedFloat>::ReturnType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return NumericSequenceConverter<IDLUnrestrictedFloat>::convert(lexicalGlobalObject, value);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return NumericSequenceConverter<IDLUnrestrictedFloat>::convert(lexicalGlobalObject, object, method);
-    }
-};
-
-template<>
-struct SequenceConverter<IDLDouble> {
-    using ReturnType = typename GenericSequenceConverter<IDLDouble>::ReturnType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return NumericSequenceConverter<IDLDouble>::convert(lexicalGlobalObject, value);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return NumericSequenceConverter<IDLDouble>::convert(lexicalGlobalObject, object, method);
-    }
-};
-
-template<>
-struct SequenceConverter<IDLUnrestrictedDouble> {
-    using ReturnType = typename GenericSequenceConverter<IDLUnrestrictedDouble>::ReturnType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return NumericSequenceConverter<IDLUnrestrictedDouble>::convert(lexicalGlobalObject, value);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return NumericSequenceConverter<IDLUnrestrictedDouble>::convert(lexicalGlobalObject, object, method);
-    }
-};
-
-}
-
-template<typename T> struct Converter<IDLSequence<T>> : DefaultConverter<IDLSequence<T>> {
-    using ReturnType = typename Detail::SequenceConverter<T>::ReturnType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return Detail::SequenceConverter<T>::convert(lexicalGlobalObject, value);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return Detail::SequenceConverter<T>::convert(lexicalGlobalObject, object, method);
-    }
-};
-
-template<typename T> struct JSConverter<IDLSequence<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U, size_t inlineCapacity>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const Vector<U, inlineCapacity>& vector)
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        JSC::MarkedArgumentBuffer list;
-        for (auto& element : vector) {
-            auto jsValue = toJS<T>(lexicalGlobalObject, globalObject, element);
-            RETURN_IF_EXCEPTION(scope, {});
-            list.append(jsValue);
-        }
-        if (UNLIKELY(list.hasOverflowed())) {
-            throwOutOfMemoryError(&lexicalGlobalObject, scope);
-            return {};
-        }
-        RELEASE_AND_RETURN(scope, JSC::constructArray(&globalObject, static_cast<JSC::ArrayAllocationProfile*>(nullptr), list));
-    }
-};
-
-template<typename T> struct Converter<IDLFrozenArray<T>> : DefaultConverter<IDLFrozenArray<T>> {
-    using ReturnType = typename Detail::SequenceConverter<T>::ReturnType;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return Detail::SequenceConverter<T>::convert(lexicalGlobalObject, value);
-    }
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return Detail::SequenceConverter<T>::convert(lexicalGlobalObject, object, method);
-    }
-};
-
-template<typename T> struct JSConverter<IDLFrozenArray<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template<typename U, size_t inlineCapacity>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const Vector<U, inlineCapacity>& vector)
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        JSC::MarkedArgumentBuffer list;
-        for (auto& element : vector) {
-            auto jsValue = toJS<T>(lexicalGlobalObject, globalObject, element);
-            RETURN_IF_EXCEPTION(scope, {});
-            list.append(jsValue);
-        }
-        if (UNLIKELY(list.hasOverflowed())) {
-            throwOutOfMemoryError(&lexicalGlobalObject, scope);
-            return {};
-        }
-        auto* array = JSC::constructArray(&globalObject, static_cast<JSC::ArrayAllocationProfile*>(nullptr), list);
-        RETURN_IF_EXCEPTION(scope, {});
-        RELEASE_AND_RETURN(scope, JSC::objectConstructorFreeze(&lexicalGlobalObject, array));
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertSerializedScriptValue.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertSerializedScriptValue.h
deleted file mode 100644
index ba714ff67..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertSerializedScriptValue.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertStrings.h"
-
-namespace WebCore {
-
-template<typename T> struct Converter<IDLSerializedScriptValue<T>> : DefaultConverter<IDLSerializedScriptValue<T>> {
-    static RefPtr<T> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return T::create(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct JSConverter<IDLSerializedScriptValue<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, RefPtr<T> value)
-    {
-        return value ? value->deserialize(lexicalGlobalObject, &globalObject) : JSC::jsNull();
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertStrings.cpp b/src/javascript/jsc/bindings/webcore/JSDOMConvertStrings.cpp
deleted file mode 100644
index 00f385e07..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertStrings.cpp
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2004-2011, 2013, 2016 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "config.h"
-#include "JSDOMConvertStrings.h"
-
-#include "JSDOMExceptionHandling.h"
-#include <JavaScriptCore/HeapInlines.h>
-#include <JavaScriptCore/JSCJSValueInlines.h>
-#include <wtf/text/StringBuilder.h>
-#include <wtf/unicode/CharacterNames.h>
-
-namespace WebCore {
-using namespace JSC;
-
-String identifierToString(JSGlobalObject& lexicalGlobalObject, const Identifier& identifier)
-{
-    if (UNLIKELY(identifier.isSymbol())) {
-        auto scope = DECLARE_THROW_SCOPE(lexicalGlobalObject.vm());
-        throwTypeError(&lexicalGlobalObject, scope, SymbolCoercionError);
-        return {};
-    }
-
-    return identifier.string();
-}
-
-static inline bool throwIfInvalidByteString(JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope, const String& string)
-{
-    if (UNLIKELY(!string.isAllLatin1())) {
-        throwTypeError(&lexicalGlobalObject, scope);
-        return true;
-    }
-    return false;
-}
-
-String identifierToByteString(JSGlobalObject& lexicalGlobalObject, const Identifier& identifier)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    auto string = identifierToString(lexicalGlobalObject, identifier);
-    RETURN_IF_EXCEPTION(scope, {});
-    if (UNLIKELY(throwIfInvalidByteString(lexicalGlobalObject, scope, string)))
-        return {};
-    return string;
-}
-
-String valueToByteString(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    auto string = value.toWTFString(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, {});
-
-    if (UNLIKELY(throwIfInvalidByteString(lexicalGlobalObject, scope, string)))
-        return {};
-    return string;
-}
-
-AtomString valueToByteAtomString(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    auto string = value.toString(&lexicalGlobalObject)->toAtomString(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, {});
-
-    if (UNLIKELY(throwIfInvalidByteString(lexicalGlobalObject, scope, string.string())))
-        return nullAtom();
-
-    return string;
-}
-
-String identifierToUSVString(JSGlobalObject& lexicalGlobalObject, const Identifier& identifier)
-{
-    return replaceUnpairedSurrogatesWithReplacementCharacter(identifierToString(lexicalGlobalObject, identifier));
-}
-
-String valueToUSVString(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    auto string = value.toWTFString(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, {});
-
-    return replaceUnpairedSurrogatesWithReplacementCharacter(WTFMove(string));
-}
-
-AtomString valueToUSVAtomString(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    auto string = value.toString(&lexicalGlobalObject)->toAtomString(&lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(scope, {});
-
-    return replaceUnpairedSurrogatesWithReplacementCharacter(WTFMove(string));
-}
-
-} // namespace WebCore
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertStrings.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertStrings.h
deleted file mode 100644
index 450caf7e9..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertStrings.h
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * Copyright (C) 2016-2019 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "StringAdaptors.h"
-
-namespace WebCore {
-
-WEBCORE_EXPORT String identifierToString(JSC::JSGlobalObject&, const JSC::Identifier&);
-WEBCORE_EXPORT String identifierToByteString(JSC::JSGlobalObject&, const JSC::Identifier&);
-WEBCORE_EXPORT String valueToByteString(JSC::JSGlobalObject&, JSC::JSValue);
-WEBCORE_EXPORT AtomString valueToByteAtomString(JSC::JSGlobalObject&, JSC::JSValue);
-WEBCORE_EXPORT String identifierToUSVString(JSC::JSGlobalObject&, const JSC::Identifier&);
-WEBCORE_EXPORT String valueToUSVString(JSC::JSGlobalObject&, JSC::JSValue);
-WEBCORE_EXPORT AtomString valueToUSVAtomString(JSC::JSGlobalObject&, JSC::JSValue);
-
-inline AtomString propertyNameToString(JSC::PropertyName propertyName)
-{
-    ASSERT(!propertyName.isSymbol());
-    return propertyName.uid() ? propertyName.uid() : propertyName.publicName();
-}
-
-inline AtomString propertyNameToAtomString(JSC::PropertyName propertyName)
-{
-    return AtomString(propertyName.uid() ? propertyName.uid() : propertyName.publicName());
-}
-
-// MARK: -
-// MARK: String types
-
-template<> struct Converter<IDLDOMString> : DefaultConverter<IDLDOMString> {
-    static String convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return value.toWTFString(&lexicalGlobalObject);
-    }
-};
-
-template<> struct JSConverter<IDLDOMString> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const String& value)
-    {
-        return JSC::jsStringWithCache(JSC::getVM(&lexicalGlobalObject), value);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const UncachedString& value)
-    {
-        return JSC::jsString(JSC::getVM(&lexicalGlobalObject), value.string);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const OwnedString& value)
-    {
-        return JSC::jsOwnedString(JSC::getVM(&lexicalGlobalObject), value.string);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const URL& value)
-    {
-        return JSC::jsOwnedString(JSC::getVM(&lexicalGlobalObject), value.string());
-    }
-};
-
-template<> struct Converter<IDLByteString> : DefaultConverter<IDLByteString> {
-    static String convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return valueToByteString(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLByteString> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const String& value)
-    {
-        return JSC::jsStringWithCache(JSC::getVM(&lexicalGlobalObject), value);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const UncachedString& value)
-    {
-        return JSC::jsString(JSC::getVM(&lexicalGlobalObject), value.string);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const OwnedString& value)
-    {
-        return JSC::jsOwnedString(JSC::getVM(&lexicalGlobalObject), value.string);
-    }
-};
-
-template<> struct Converter<IDLUSVString> : DefaultConverter<IDLUSVString> {
-    static String convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return valueToUSVString(lexicalGlobalObject, value);
-    }
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const URL& value)
-    {
-        return JSC::jsOwnedString(JSC::getVM(&lexicalGlobalObject), value.string());
-    }
-};
-
-template<> struct JSConverter<IDLUSVString> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const String& value)
-    {
-        return JSC::jsStringWithCache(JSC::getVM(&lexicalGlobalObject), value);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const UncachedString& value)
-    {
-        return JSC::jsString(JSC::getVM(&lexicalGlobalObject), value.string);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const OwnedString& value)
-    {
-        return JSC::jsOwnedString(JSC::getVM(&lexicalGlobalObject), value.string);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const URL& value)
-    {
-        return JSC::jsOwnedString(JSC::getVM(&lexicalGlobalObject), value.string());
-    }
-};
-
-// MARK: -
-// MARK: String type adaptors
-
-template<typename T> struct Converter<IDLLegacyNullToEmptyStringAdaptor<T>> : DefaultConverter<IDLLegacyNullToEmptyStringAdaptor<T>> {
-    static String convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        if (value.isNull())
-            return emptyString();
-        return Converter<T>::convert(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct JSConverter<IDLLegacyNullToEmptyStringAdaptor<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const String& value)
-    {
-        return JSConverter<T>::convert(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct Converter<IDLLegacyNullToEmptyAtomStringAdaptor<T>> : DefaultConverter<IDLLegacyNullToEmptyAtomStringAdaptor<T>> {
-    static AtomString convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        if (value.isNull())
-            return emptyAtom();
-        return Converter<IDLAtomStringAdaptor<T>>::convert(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct JSConverter<IDLLegacyNullToEmptyAtomStringAdaptor<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const AtomString& value)
-    {
-        return JSConverter<T>::convert(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct Converter<IDLAtomStringAdaptor<T>> : DefaultConverter<IDLAtomStringAdaptor<T>> {
-    static AtomString convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        static_assert(std::is_same<T, IDLDOMString>::value, "This adaptor is only supported for IDLDOMString at the moment.");
-
-        return value.toString(&lexicalGlobalObject)->toAtomString(&lexicalGlobalObject);
-    }
-};
-
-template<> struct Converter<IDLAtomStringAdaptor<IDLUSVString>> : DefaultConverter<IDLAtomStringAdaptor<IDLUSVString>> {
-    static AtomString convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return valueToUSVAtomString(lexicalGlobalObject, value);
-    }
-};
-
-template<> struct Converter<IDLAtomStringAdaptor<IDLByteString>> : DefaultConverter<IDLAtomStringAdaptor<IDLByteString>> {
-    static AtomString convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return valueToByteAtomString(lexicalGlobalObject, value);
-    }
-};
-
-template<typename T> struct JSConverter<IDLAtomStringAdaptor<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const AtomString& value)
-    {
-        return JSConverter<T>::convert(lexicalGlobalObject, value);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const String& value)
-    {
-        return JSConverter<T>::convert(lexicalGlobalObject, value);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const URL& value)
-    {
-        return JSConverter<T>::convert(lexicalGlobalObject, value.string());
-    }
-};
-
-template<> struct JSConverter<IDLAtomStringAdaptor<IDLUSVString>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const AtomString& value)
-    {
-        return JSConverter<IDLUSVString>::convert(lexicalGlobalObject, value.string());
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const String& value)
-    {
-        return JSConverter<IDLUSVString>::convert(lexicalGlobalObject, value);
-    }
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const URL& value)
-    {
-        return JSConverter<IDLUSVString>::convert(lexicalGlobalObject, value.string());
-    }
-};
-
-template<> struct JSConverter<IDLAtomStringAdaptor<IDLByteString>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const AtomString& value)
-    {
-        return JSConverter<IDLByteString>::convert(lexicalGlobalObject, value.string());
-    }
-};
-
-template<typename T> struct Converter<IDLRequiresExistingAtomStringAdaptor<T>> : DefaultConverter<IDLRequiresExistingAtomStringAdaptor<T>> {
-    static AtomString convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        static_assert(std::is_same<T, IDLDOMString>::value, "This adaptor is only supported for IDLDOMString at the moment.");
-
-        return value.toString(&lexicalGlobalObject)->toExistingAtomString(&lexicalGlobalObject);
-    }
-};
-
-template<typename T> struct JSConverter<IDLRequiresExistingAtomStringAdaptor<T>> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = false;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, const AtomString& value)
-    {
-        static_assert(std::is_same<T, IDLDOMString>::value, "This adaptor is only supported for IDLDOMString at the moment.");
-
-        return JSConverter<T>::convert(lexicalGlobalObject, value);
-    }
-};
-
-} // namespace WebCore
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertUnion.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertUnion.h
deleted file mode 100644
index 75ce6f86a..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertUnion.h
+++ /dev/null
@@ -1,417 +0,0 @@
-/*
- * Copyright (C) 2016-2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBufferSource.h"
-#include "JSDOMConvertBufferSource+JSBuffer.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNull.h"
-#include "JavaScriptCore/IteratorOperations.h"
-#include <variant>
-
-namespace WebCore {
-
-template<typename ReturnType, bool enabled>
-struct ConditionalReturner;
-
-template<typename ReturnType>
-struct ConditionalReturner<ReturnType, true> {
-    template<typename T>
-    static std::optional<ReturnType> get(T&& value)
-    {
-        return ReturnType(std::forward<T>(value));
-    }
-};
-
-template<typename ReturnType>
-struct ConditionalReturner<ReturnType, false> {
-    template<typename T>
-    static std::optional<ReturnType> get(T&&)
-    {
-        return std::nullopt;
-    }
-};
-
-template<typename ReturnType, typename T, bool enabled>
-struct ConditionalConverter;
-
-template<typename ReturnType, typename T>
-struct ConditionalConverter<ReturnType, T, true> {
-    static std::optional<ReturnType> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        return ReturnType(Converter<T>::convert(lexicalGlobalObject, value));
-    }
-};
-
-template<typename ReturnType, typename T>
-struct ConditionalConverter<ReturnType, T, false> {
-    static std::optional<ReturnType> convert(JSC::JSGlobalObject&, JSC::JSValue)
-    {
-        return std::nullopt;
-    }
-};
-
-template<typename ReturnType, typename T, bool enabled>
-struct ConditionalSequenceConverter;
-
-template<typename ReturnType, typename T>
-struct ConditionalSequenceConverter<ReturnType, T, true> {
-    static std::optional<ReturnType> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSObject* object, JSC::JSValue method)
-    {
-        return ReturnType(Converter<T>::convert(lexicalGlobalObject, object, method));
-    }
-};
-
-template<typename ReturnType, typename T>
-struct ConditionalSequenceConverter<ReturnType, T, false> {
-    static std::optional<ReturnType> convert(JSC::JSGlobalObject&, JSC::JSObject*, JSC::JSValue)
-    {
-        return std::nullopt;
-    }
-};
-
-namespace Detail {
-
-template<typename List, bool condition>
-struct ConditionalFront;
-
-template<typename List>
-struct ConditionalFront<List, true> {
-    using type = brigand::front<List>;
-};
-
-template<typename List>
-struct ConditionalFront<List, false> {
-    using type = void;
-};
-
-}
-
-template<typename List, bool condition>
-using ConditionalFront = typename Detail::ConditionalFront<List, condition>::type;
-
-template<typename... T> struct Converter<IDLUnion<T...>> : DefaultConverter<IDLUnion<T...>> {
-    using Type = IDLUnion<T...>;
-    using TypeList = typename Type::TypeList;
-    using ReturnType = typename Type::ImplementationType;
-
-    using NumericTypeList = brigand::filter<TypeList, IsIDLNumber<brigand::_1>>;
-    static constexpr size_t numberOfNumericTypes = brigand::size<NumericTypeList>::value;
-    static_assert(numberOfNumericTypes == 0 || numberOfNumericTypes == 1, "There can be 0 or 1 numeric types in an IDLUnion.");
-    using NumericType = ConditionalFront<NumericTypeList, numberOfNumericTypes != 0>;
-
-    using StringTypeList = brigand::filter<TypeList, IsIDLStringOrEnumeration<brigand::_1>>;
-    static constexpr size_t numberOfStringTypes = brigand::size<StringTypeList>::value;
-    static_assert(numberOfStringTypes == 0 || numberOfStringTypes == 1, "There can be 0 or 1 string types in an IDLUnion.");
-    using StringType = ConditionalFront<StringTypeList, numberOfStringTypes != 0>;
-
-    using SequenceTypeList = brigand::filter<TypeList, IsIDLSequence<brigand::_1>>;
-    static constexpr size_t numberOfSequenceTypes = brigand::size<SequenceTypeList>::value;
-    static_assert(numberOfSequenceTypes == 0 || numberOfSequenceTypes == 1, "There can be 0 or 1 sequence types in an IDLUnion.");
-    using SequenceType = ConditionalFront<SequenceTypeList, numberOfSequenceTypes != 0>;
-
-    using FrozenArrayTypeList = brigand::filter<TypeList, IsIDLFrozenArray<brigand::_1>>;
-    static constexpr size_t numberOfFrozenArrayTypes = brigand::size<FrozenArrayTypeList>::value;
-    static_assert(numberOfFrozenArrayTypes == 0 || numberOfFrozenArrayTypes == 1, "There can be 0 or 1 FrozenArray types in an IDLUnion.");
-    using FrozenArrayType = ConditionalFront<FrozenArrayTypeList, numberOfFrozenArrayTypes != 0>;
-
-    using DictionaryTypeList = brigand::filter<TypeList, IsIDLDictionary<brigand::_1>>;
-    static constexpr size_t numberOfDictionaryTypes = brigand::size<DictionaryTypeList>::value;
-    static_assert(numberOfDictionaryTypes == 0 || numberOfDictionaryTypes == 1, "There can be 0 or 1 dictionary types in an IDLUnion.");
-    static constexpr bool hasDictionaryType = numberOfDictionaryTypes != 0;
-    using DictionaryType = ConditionalFront<DictionaryTypeList, hasDictionaryType>;
-
-    using RecordTypeList = brigand::filter<TypeList, IsIDLRecord<brigand::_1>>;
-    static constexpr size_t numberOfRecordTypes = brigand::size<RecordTypeList>::value;
-    static_assert(numberOfRecordTypes == 0 || numberOfRecordTypes == 1, "There can be 0 or 1 record types in an IDLUnion.");
-    static constexpr bool hasRecordType = numberOfRecordTypes != 0;
-    using RecordType = ConditionalFront<RecordTypeList, hasRecordType>;
-
-    using ObjectTypeList = brigand::filter<TypeList, std::is_same<IDLObject, brigand::_1>>;
-    static constexpr size_t numberOfObjectTypes = brigand::size<ObjectTypeList>::value;
-    static_assert(numberOfObjectTypes == 0 || numberOfObjectTypes == 1, "There can be 0 or 1 object types in an IDLUnion.");
-    static constexpr bool hasObjectType = numberOfObjectTypes != 0;
-    using ObjectType = ConditionalFront<ObjectTypeList, hasObjectType>;
-
-    static constexpr bool hasAnyObjectType = (numberOfSequenceTypes + numberOfFrozenArrayTypes + numberOfDictionaryTypes + numberOfRecordTypes + numberOfObjectTypes) > 0;
-
-    using InterfaceTypeList = brigand::filter<TypeList, IsIDLInterface<brigand::_1>>;
-    using TypedArrayTypeList = brigand::filter<TypeList, IsIDLTypedArray<brigand::_1>>;
-
-    static ReturnType convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        // 1. If the union type includes a nullable type and V is null or undefined, then return the IDL value null.
-        constexpr bool hasNullType = brigand::any<TypeList, std::is_same<IDLNull, brigand::_1>>::value;
-        if (hasNullType) {
-            if (value.isUndefinedOrNull())
-                RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, IDLNull, hasNullType>::convert(lexicalGlobalObject, value).value()));
-        }
-
-        // 2. Let types be the flattened member types of the union type.
-        // NOTE: Union is expected to be pre-flattented.
-
-        // 3. If V is null or undefined then:
-        if (hasDictionaryType) {
-            if (value.isUndefinedOrNull()) {
-                //     1. If types includes a dictionary type, then return the result of converting V to that dictionary type.
-                RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, DictionaryType, hasDictionaryType>::convert(lexicalGlobalObject, value).value()));
-            }
-        }
-
-        // 4. If V is a platform object, then:
-        //     1. If types includes an interface type that V implements, then return the IDL value that is a reference to the object V.
-        //     2. If types includes object, then return the IDL value that is a reference to the object V.
-        //         (FIXME: Add support for object and step 4.2)
-        if (brigand::any<TypeList, IsIDLInterface<brigand::_1>>::value) {
-            std::optional<ReturnType> returnValue;
-            brigand::for_each<InterfaceTypeList>([&](auto&& type) {
-                if (returnValue)
-                    return;
-
-                using Type = typename WTF::RemoveCVAndReference<decltype(type)>::type::type;
-                using ImplementationType = typename Type::ImplementationType;
-                using RawType = typename Type::RawType;
-
-                auto castedValue = JSToWrappedOverloader<RawType>::toWrapped(lexicalGlobalObject, value);
-                if (!castedValue)
-                    return;
-
-                returnValue = ReturnType(ImplementationType(castedValue));
-            });
-
-            if (returnValue)
-                return WTFMove(returnValue.value());
-        }
-
-        // FIXME: Add support for steps 5 & 6.
-        //
-        // 5. If V is a DOMException platform object, then:
-        //     1. If types includes DOMException or Error, then return the result of converting V to that type.
-        //     2 If types includes object, then return the IDL value that is a reference to the object V.
-        //
-        // 6. If Type(V) is Object and V has an [[ErrorData]] internal slot), then:
-        //     1. If types includes Error, then return the result of converting V to Error.
-        //     2. If types includes object, then return the IDL value that is a reference to the object V.
-
-        // 7. If Type(V) is Object and V has an [[ArrayBufferData]] internal slot, then:
-        //     1. If types includes ArrayBuffer, then return the result of converting V to ArrayBuffer.
-        //     2. If types includes object, then return the IDL value that is a reference to the object V.
-        constexpr bool hasArrayBufferType = brigand::any<TypeList, IsIDLArrayBuffer<brigand::_1>>::value;
-        if (hasArrayBufferType || hasObjectType) {
-            auto arrayBuffer = (brigand::any<TypeList, IsIDLArrayBufferAllowShared<brigand::_1>>::value) ? JSC::JSArrayBuffer::toWrappedAllowShared(vm, value) : JSC::JSArrayBuffer::toWrapped(vm, value);
-            if (arrayBuffer) {
-                if (hasArrayBufferType)
-                    return ConditionalReturner<ReturnType, hasArrayBufferType>::get(WTFMove(arrayBuffer)).value();
-                RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, ObjectType, hasObjectType>::convert(lexicalGlobalObject, value).value()));
-            }
-        }
-
-        constexpr bool hasArrayBufferViewType = brigand::any<TypeList, IsIDLArrayBufferView<brigand::_1>>::value;
-        if (hasArrayBufferViewType || hasObjectType) {
-            auto arrayBufferView = (brigand::any<TypeList, IsIDLArrayBufferViewAllowShared<brigand::_1>>::value) ? JSC::JSArrayBufferView::toWrappedAllowShared(vm, value) : JSC::JSArrayBufferView::toWrapped(vm, value);
-            if (arrayBufferView) {
-                if (hasArrayBufferViewType)
-                    return ConditionalReturner<ReturnType, hasArrayBufferViewType>::get(WTFMove(arrayBufferView)).value();
-                RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, ObjectType, hasObjectType>::convert(lexicalGlobalObject, value).value()));
-            }
-        }
-
-        // 8. If Type(V) is Object and V has a [[DataView]] internal slot, then:
-        //     1. If types includes DataView, then return the result of converting V to DataView.
-        //     2. If types includes object, then return the IDL value that is a reference to the object V.
-        constexpr bool hasDataViewType = brigand::any<TypeList, std::is_same<IDLDataView, brigand::_1>>::value;
-        if (hasDataViewType || hasObjectType) {
-            auto dataView = JSC::JSDataView::toWrapped(vm, value);
-            if (dataView) {
-                if (hasDataViewType)
-                    return ConditionalReturner<ReturnType, hasDataViewType>::get(WTFMove(dataView)).value();
-                RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, ObjectType, hasObjectType>::convert(lexicalGlobalObject, value).value()));
-            }
-        }
-
-        // 9. If Type(V) is Object and V has a [[TypedArrayName]] internal slot, then:
-        //     1. If types includes a typed array type whose name is the value of V’s [[TypedArrayName]] internal slot, then return the result of converting V to that type.
-        //     2. If types includes object, then return the IDL value that is a reference to the object V.
-        //         (FIXME: Add support for object and step 9.2)
-        constexpr bool hasTypedArrayType = brigand::any<TypeList, IsIDLTypedArray<brigand::_1>>::value;
-        if (hasTypedArrayType) {
-            std::optional<ReturnType> returnValue;
-            brigand::for_each<TypedArrayTypeList>([&](auto&& type) {
-                if (returnValue)
-                    return;
-
-                using Type = typename WTF::RemoveCVAndReference<decltype(type)>::type::type;
-                using ImplementationType = typename Type::ImplementationType;
-                using WrapperType = typename Converter<Type>::WrapperType;
-
-                auto castedValue = (brigand::any<TypeList, IsIDLTypedArrayAllowShared<brigand::_1>>::value) ? WrapperType::toWrappedAllowShared(vm, value) : WrapperType::toWrapped(vm, value);
-                if (!castedValue)
-                    return;
-
-                returnValue = ReturnType(ImplementationType(castedValue));
-            });
-
-            if (returnValue)
-                return WTFMove(returnValue.value());
-        }
-
-        // FIXME: Add support for step 10.
-        //
-        // 10. If IsCallable(V) is true, then:
-        //     1. If types includes a callback function type, then return the result of converting V to that callback function type.
-        //     2. If types includes object, then return the IDL value that is a reference to the object V.
-
-        // 11. If V is any kind of object, then:
-        if (hasAnyObjectType) {
-            if (value.isCell()) {
-                JSC::JSCell* cell = value.asCell();
-                if (cell->isObject()) {
-                    auto object = asObject(value);
-
-                    //     1. If types includes a sequence type, then:
-                    //         1. Let method be the result of GetMethod(V, @@iterator).
-                    //         2. ReturnIfAbrupt(method).
-                    //         3. If method is not undefined, return the result of creating a
-                    //            sequence of that type from V and method.
-                    constexpr bool hasSequenceType = numberOfSequenceTypes != 0;
-                    if (hasSequenceType) {
-                        auto method = JSC::iteratorMethod(&lexicalGlobalObject, object);
-                        RETURN_IF_EXCEPTION(scope, ReturnType());
-                        if (!method.isUndefined())
-                            RELEASE_AND_RETURN(scope, (ConditionalSequenceConverter<ReturnType, SequenceType, hasSequenceType>::convert(lexicalGlobalObject, object, method).value()));
-                    }
-
-                    //     2. If types includes a frozen array type, then:
-                    //         1. Let method be the result of GetMethod(V, @@iterator).
-                    //         2. ReturnIfAbrupt(method).
-                    //         3. If method is not undefined, return the result of creating a
-                    //            frozen array of that type from V and method.
-                    constexpr bool hasFrozenArrayType = numberOfFrozenArrayTypes != 0;
-                    if (hasFrozenArrayType) {
-                        auto method = JSC::iteratorMethod(&lexicalGlobalObject, object);
-                        RETURN_IF_EXCEPTION(scope, ReturnType());
-                        if (!method.isUndefined())
-                            RELEASE_AND_RETURN(scope, (ConditionalSequenceConverter<ReturnType, FrozenArrayType, hasFrozenArrayType>::convert(lexicalGlobalObject, object, method).value()));
-                    }
-
-                    //     3. If types includes a dictionary type, then return the result of
-                    //        converting V to that dictionary type.
-                    if (hasDictionaryType)
-                        RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, DictionaryType, hasDictionaryType>::convert(lexicalGlobalObject, value).value()));
-
-                    //     4. If types includes a record type, then return the result of converting V to that record type.
-                    if (hasRecordType)
-                        RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, RecordType, hasRecordType>::convert(lexicalGlobalObject, value).value()));
-
-                    //     5. If types includes a callback interface type, then return the result of converting V to that interface type.
-                    //         (FIXME: Add support for callback interface type and step 12.5)
-
-                    //     6. If types includes object, then return the IDL value that is a reference to the object V.
-                    if (hasObjectType)
-                        RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, ObjectType, hasObjectType>::convert(lexicalGlobalObject, value).value()));
-                }
-            }
-        }
-
-        // 12. If V is a Boolean value, then:
-        //     1. If types includes a boolean, then return the result of converting V to boolean.
-        constexpr bool hasBooleanType = brigand::any<TypeList, std::is_same<IDLBoolean, brigand::_1>>::value;
-        if (hasBooleanType) {
-            if (value.isBoolean())
-                RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, IDLBoolean, hasBooleanType>::convert(lexicalGlobalObject, value).value()));
-        }
-
-        // 13. If V is a Number value, then:
-        //     1. If types includes a numeric type, then return the result of converting V to that numeric type.
-        constexpr bool hasNumericType = brigand::size<NumericTypeList>::value != 0;
-        if (hasNumericType) {
-            if (value.isNumber())
-                RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, NumericType, hasNumericType>::convert(lexicalGlobalObject, value).value()));
-        }
-
-        // 14. If types includes a string type, then return the result of converting V to that type.
-        constexpr bool hasStringType = brigand::size<StringTypeList>::value != 0;
-        if (hasStringType)
-            RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, StringType, hasStringType>::convert(lexicalGlobalObject, value).value()));
-
-        // 15. If types includes a numeric type, then return the result of converting V to that numeric type.
-        if (hasNumericType)
-            RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, NumericType, hasNumericType>::convert(lexicalGlobalObject, value).value()));
-
-        // 16. If types includes a boolean, then return the result of converting V to boolean.
-        if (hasBooleanType)
-            RELEASE_AND_RETURN(scope, (ConditionalConverter<ReturnType, IDLBoolean, hasBooleanType>::convert(lexicalGlobalObject, value).value()));
-
-        // 17. Throw a TypeError.
-        throwTypeError(&lexicalGlobalObject, scope);
-        return ReturnType();
-    }
-};
-
-template<typename... T> struct JSConverter<IDLUnion<T...>> {
-    using Type = IDLUnion<T...>;
-    using TypeList = typename Type::TypeList;
-    using ImplementationType = typename Type::ImplementationType;
-
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    using Sequence = brigand::make_sequence<brigand::ptrdiff_t<0>, std::variant_size<ImplementationType>::value>;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const ImplementationType& variant)
-    {
-        auto index = variant.index();
-
-        std::optional<JSC::JSValue> returnValue;
-        brigand::for_each<Sequence>([&](auto&& type) {
-            using I = typename WTF::RemoveCVAndReference<decltype(type)>::type::type;
-            if (I::value == index) {
-                ASSERT(!returnValue);
-                returnValue = toJS<brigand::at<TypeList, I>>(lexicalGlobalObject, globalObject, std::get<I::value>(variant));
-            }
-        });
-
-        ASSERT(returnValue);
-        return returnValue.value();
-    }
-};
-
-// BufferSource specialization. In WebKit, BufferSource is defined as IDLUnion<IDLArrayBufferView, IDLArrayBuffer> as a hack, and it is not compatible to
-// annotation described in WebIDL.
-template<> struct Converter<IDLAllowSharedAdaptor<IDLUnion<IDLArrayBufferView, IDLArrayBuffer>>> : DefaultConverter<IDLUnion<IDLArrayBufferView, IDLArrayBuffer>> {
-    static auto convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value) -> decltype(auto)
-    {
-        return Converter<IDLUnion<IDLAllowSharedAdaptor<IDLArrayBufferView>, IDLAllowSharedAdaptor<IDLArrayBuffer>>>::convert(lexicalGlobalObject, value);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertVariadic.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertVariadic.h
deleted file mode 100644
index dd16b1d66..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertVariadic.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright (C) 2016-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-#include "wtf/FixedVector.h"
-
-namespace WebCore {
-
-template<typename IDLType>
-struct VariadicConverter {
-    using Item = typename IDLType::ImplementationType;
-
-    static std::optional<Item> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-
-        auto result = Converter<IDLType>::convert(lexicalGlobalObject, value);
-        RETURN_IF_EXCEPTION(scope, std::nullopt);
-
-        return result;
-    }
-};
-
-template<typename IDLType> FixedVector<typename VariadicConverter<IDLType>::Item> convertVariadicArguments(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, size_t startIndex)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    size_t length = callFrame.argumentCount();
-    if (startIndex >= length)
-        return {};
-
-    FixedVector<typename VariadicConverter<IDLType>::Item> result(length - startIndex);
-
-    size_t resultIndex = 0;
-    for (size_t i = startIndex; i < length; ++i) {
-        auto value = VariadicConverter<IDLType>::convert(lexicalGlobalObject, callFrame.uncheckedArgument(i));
-        EXCEPTION_ASSERT_UNUSED(scope, !!scope.exception() == !value);
-        if (!value)
-            return {};
-        result[resultIndex] = WTFMove(*value);
-        resultIndex++;
-    }
-
-    return result;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertWebGL.cpp b/src/javascript/jsc/bindings/webcore/JSDOMConvertWebGL.cpp
deleted file mode 100644
index 7d4576661..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertWebGL.cpp
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSDOMConvertWebGL.h"
-
-#if ENABLE(WEBGL)
-
-#include "JSANGLEInstancedArrays.h"
-#include "JSDOMConvertBufferSource.h"
-#include "JSEXTBlendMinMax.h"
-#include "JSEXTColorBufferFloat.h"
-#include "JSEXTColorBufferHalfFloat.h"
-#include "JSEXTFloatBlend.h"
-#include "JSEXTFragDepth.h"
-#include "JSEXTShaderTextureLOD.h"
-#include "JSEXTTextureCompressionRGTC.h"
-#include "JSEXTTextureFilterAnisotropic.h"
-#include "JSEXTsRGB.h"
-#include "JSKHRParallelShaderCompile.h"
-#include "JSOESElementIndexUint.h"
-#include "JSOESFBORenderMipmap.h"
-#include "JSOESStandardDerivatives.h"
-#include "JSOESTextureFloat.h"
-#include "JSOESTextureFloatLinear.h"
-#include "JSOESTextureHalfFloat.h"
-#include "JSOESTextureHalfFloatLinear.h"
-#include "JSOESVertexArrayObject.h"
-#include "JSWebGLBuffer.h"
-#include "JSWebGLColorBufferFloat.h"
-#include "JSWebGLCompressedTextureASTC.h"
-#include "JSWebGLCompressedTextureATC.h"
-#include "JSWebGLCompressedTextureETC.h"
-#include "JSWebGLCompressedTextureETC1.h"
-#include "JSWebGLCompressedTexturePVRTC.h"
-#include "JSWebGLCompressedTextureS3TC.h"
-#include "JSWebGLCompressedTextureS3TCsRGB.h"
-#include "JSWebGLDebugRendererInfo.h"
-#include "JSWebGLDebugShaders.h"
-#include "JSWebGLDepthTexture.h"
-#include "JSWebGLDrawBuffers.h"
-#include "JSWebGLFramebuffer.h"
-#include "JSWebGLLoseContext.h"
-#include "JSWebGLMultiDraw.h"
-#include "JSWebGLProgram.h"
-#include "JSWebGLRenderbuffer.h"
-#include "JSWebGLSampler.h"
-#include "JSWebGLTexture.h"
-#include "JSWebGLTransformFeedback.h"
-#include "JSWebGLVertexArrayObject.h"
-#include "JSWebGLVertexArrayObjectOES.h"
-
-namespace WebCore {
-using namespace JSC;
-
-// FIXME: This should use the IDLUnion JSConverter.
-JSValue convertToJSValue(JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const WebGLAny& any)
-{
-    return WTF::switchOn(
-        any,
-        [](std::nullptr_t) -> JSValue {
-            return jsNull();
-        },
-        [](bool value) -> JSValue {
-            return jsBoolean(value);
-        },
-        [](int value) -> JSValue {
-            return jsNumber(value);
-        },
-        [](unsigned value) -> JSValue {
-            return jsNumber(value);
-        },
-        [](long long value) -> JSValue {
-            return jsNumber(value);
-        },
-        [](float value) -> JSValue {
-            return jsNumber(value);
-        },
-        [&](const String& value) -> JSValue {
-            return jsStringWithCache(lexicalGlobalObject.vm(), value);
-        },
-        [&](const Vector<bool>& values) -> JSValue {
-            MarkedArgumentBuffer list;
-            for (auto& value : values)
-                list.append(jsBoolean(value));
-            RELEASE_ASSERT(!list.hasOverflowed());
-            return constructArray(&globalObject, static_cast<JSC::ArrayAllocationProfile*>(nullptr), list);
-        },
-        [&](const Vector<int>& values) -> JSValue {
-            MarkedArgumentBuffer list;
-            for (auto& value : values)
-                list.append(jsNumber(value));
-            RELEASE_ASSERT(!list.hasOverflowed());
-            return constructArray(&globalObject, static_cast<JSC::ArrayAllocationProfile*>(nullptr), list);
-        },
-        [&](const Vector<unsigned>& values) -> JSValue {
-            MarkedArgumentBuffer list;
-            for (auto& value : values)
-                list.append(jsNumber(value));
-            RELEASE_ASSERT(!list.hasOverflowed());
-            return constructArray(&globalObject, static_cast<JSC::ArrayAllocationProfile*>(nullptr), list);
-        },
-        [&](const RefPtr<Float32Array>& array) {
-            return toJS(&lexicalGlobalObject, &globalObject, array.get());
-        },
-        [&](const RefPtr<Int32Array>& array) {
-            return toJS(&lexicalGlobalObject, &globalObject, array.get());
-        },
-        [&](const RefPtr<Uint8Array>& array) {
-            return toJS(&lexicalGlobalObject, &globalObject, array.get());
-        },
-        [&](const RefPtr<Uint32Array>& array) {
-            return toJS(&lexicalGlobalObject, &globalObject, array.get());
-        },
-        [&](const RefPtr<WebGLBuffer>& buffer) {
-            return toJS(&lexicalGlobalObject, &globalObject, buffer.get());
-        },
-        [&](const RefPtr<WebGLFramebuffer>& buffer) {
-            return toJS(&lexicalGlobalObject, &globalObject, buffer.get());
-        },
-        [&](const RefPtr<WebGLProgram>& program) {
-            return toJS(&lexicalGlobalObject, &globalObject, program.get());
-        },
-        [&](const RefPtr<WebGLRenderbuffer>& buffer) {
-            return toJS(&lexicalGlobalObject, &globalObject, buffer.get());
-        },
-        [&](const RefPtr<WebGLTexture>& texture) {
-            return toJS(&lexicalGlobalObject, &globalObject, texture.get());
-        },
-        [&](const RefPtr<WebGLVertexArrayObjectOES>& array) {
-            return toJS(&lexicalGlobalObject, &globalObject, array.get());
-        }
-#if ENABLE(WEBGL2)
-        ,
-        [&](const RefPtr<WebGLSampler>& sampler) {
-            return toJS(&lexicalGlobalObject, &globalObject, sampler.get());
-        },
-        [&](const RefPtr<WebGLTransformFeedback>& transformFeedback) {
-            return toJS(&lexicalGlobalObject, &globalObject, transformFeedback.get());
-        },
-        [&](const RefPtr<WebGLVertexArrayObject>& array) {
-            return toJS(&lexicalGlobalObject, &globalObject, array.get());
-        }
-#endif
-    );
-}
-
-JSValue convertToJSValue(JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, WebGLExtension& extension)
-{
-    switch (extension.getName()) {
-    case WebGLExtension::WebGLLoseContextName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLLoseContext&>(extension));
-    case WebGLExtension::EXTShaderTextureLODName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTShaderTextureLOD&>(extension));
-    case WebGLExtension::EXTTextureCompressionRGTCName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTTextureCompressionRGTC&>(extension));
-    case WebGLExtension::EXTTextureFilterAnisotropicName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTTextureFilterAnisotropic&>(extension));
-    case WebGLExtension::EXTsRGBName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTsRGB&>(extension));
-    case WebGLExtension::EXTFragDepthName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTFragDepth&>(extension));
-    case WebGLExtension::EXTBlendMinMaxName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTBlendMinMax&>(extension));
-    case WebGLExtension::KHRParallelShaderCompileName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<KHRParallelShaderCompile&>(extension));
-    case WebGLExtension::OESStandardDerivativesName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<OESStandardDerivatives&>(extension));
-    case WebGLExtension::OESTextureFloatName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<OESTextureFloat&>(extension));
-    case WebGLExtension::OESTextureFloatLinearName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<OESTextureFloatLinear&>(extension));
-    case WebGLExtension::OESTextureHalfFloatName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<OESTextureHalfFloat&>(extension));
-    case WebGLExtension::OESTextureHalfFloatLinearName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<OESTextureHalfFloatLinear&>(extension));
-    case WebGLExtension::OESVertexArrayObjectName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<OESVertexArrayObject&>(extension));
-    case WebGLExtension::OESElementIndexUintName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<OESElementIndexUint&>(extension));
-    case WebGLExtension::OESFBORenderMipmapName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<OESFBORenderMipmap&>(extension));
-    case WebGLExtension::WebGLDebugRendererInfoName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLDebugRendererInfo&>(extension));
-    case WebGLExtension::WebGLDebugShadersName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLDebugShaders&>(extension));
-    case WebGLExtension::WebGLCompressedTextureATCName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLCompressedTextureATC&>(extension));
-    case WebGLExtension::WebGLCompressedTextureETCName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLCompressedTextureETC&>(extension));
-    case WebGLExtension::WebGLCompressedTextureETC1Name:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLCompressedTextureETC1&>(extension));
-    case WebGLExtension::WebGLCompressedTexturePVRTCName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLCompressedTexturePVRTC&>(extension));
-    case WebGLExtension::WebGLCompressedTextureS3TCName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLCompressedTextureS3TC&>(extension));
-    case WebGLExtension::WebGLCompressedTextureS3TCsRGBName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLCompressedTextureS3TCsRGB&>(extension));
-    case WebGLExtension::WebGLCompressedTextureASTCName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLCompressedTextureASTC&>(extension));
-    case WebGLExtension::WebGLDepthTextureName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLDepthTexture&>(extension));
-    case WebGLExtension::WebGLDrawBuffersName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLDrawBuffers&>(extension));
-    case WebGLExtension::ANGLEInstancedArraysName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<ANGLEInstancedArrays&>(extension));
-    case WebGLExtension::EXTColorBufferHalfFloatName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTColorBufferHalfFloat&>(extension));
-    case WebGLExtension::EXTFloatBlendName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTFloatBlend&>(extension));
-    case WebGLExtension::WebGLColorBufferFloatName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLColorBufferFloat&>(extension));
-    case WebGLExtension::EXTColorBufferFloatName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<EXTColorBufferFloat&>(extension));
-    case WebGLExtension::WebGLMultiDrawName:
-        return toJS(&lexicalGlobalObject, &globalObject, static_cast<WebGLMultiDraw&>(extension));
-    }
-    ASSERT_NOT_REACHED();
-    return jsNull();
-}
-
-}
-
-#endif
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertWebGL.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertWebGL.h
deleted file mode 100644
index ae8f7e688..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertWebGL.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#if ENABLE(WEBGL)
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-
-namespace WebCore {
-
-JSC::JSValue convertToJSValue(JSC::JSGlobalObject&, JSDOMGlobalObject&, const WebGLAny&);
-JSC::JSValue convertToJSValue(JSC::JSGlobalObject&, JSDOMGlobalObject&, WebGLExtension&);
-
-inline JSC::JSValue convertToJSValue(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, WebGLExtension* extension)
-{
-    if (!extension)
-        return JSC::jsNull();
-    return convertToJSValue(lexicalGlobalObject, globalObject, *extension);
-}
-
-template<> struct JSConverter<IDLWebGLAny> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const WebGLAny& value)
-    {
-        return convertToJSValue(lexicalGlobalObject, globalObject, value);
-    }
-};
-
-template<> struct JSConverter<IDLWebGLExtension> {
-    static constexpr bool needsState = true;
-    static constexpr bool needsGlobalObject = true;
-
-    template <typename T>
-    static JSC::JSValue convert(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const T& value)
-    {
-        return convertToJSValue(lexicalGlobalObject, globalObject, Detail::getPtrOrRef(value));
-    }
-};
-
-} // namespace WebCore
-
-#endif
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMConvertXPathNSResolver.h b/src/javascript/jsc/bindings/webcore/JSDOMConvertXPathNSResolver.h
deleted file mode 100644
index 6c48a072a..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMConvertXPathNSResolver.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "IDLTypes.h"
-#include "JSDOMConvertBase.h"
-
-#include "JSCustomXPathNSResolver.h"
-#include "JSXPathNSResolver.h"
-
-namespace WebCore {
-
-template<> struct Converter<IDLInterface<XPathNSResolver>> : DefaultConverter<IDLInterface<XPathNSResolver>> {
-    template<typename ExceptionThrower = DefaultExceptionThrower>
-    static RefPtr<XPathNSResolver> convert(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
-    {
-        JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        if (!value.isObject()) {
-            exceptionThrower(lexicalGlobalObject, scope);
-            return nullptr;
-        }
-
-        auto object = asObject(value);
-        if (object->inherits<JSXPathNSResolver>())
-            return &JSC::jsCast<JSXPathNSResolver*>(object)->wrapped();
-
-        return JSCustomXPathNSResolver::create(vm, object);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMException.cpp b/src/javascript/jsc/bindings/webcore/JSDOMException.cpp
deleted file mode 100644
index 5dde2de4e..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMException.cpp
+++ /dev/null
@@ -1,381 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "root.h"
-
-#include "JSDOMException.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include "JavaScriptCore/FunctionPrototype.h"
-#include "JavaScriptCore/HeapAnalyzer.h"
-
-#include "JavaScriptCore/JSDestructibleObjectHeapCellType.h"
-#include "JavaScriptCore/SlotVisitorMacros.h"
-#include "JavaScriptCore/SubspaceInlines.h"
-#include "wtf/GetPtr.h"
-#include "wtf/PointerPreparations.h"
-#include "wtf/URL.h"
-
-namespace WebCore {
-using namespace JSC;
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMExceptionConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMException_code);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMException_name);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMException_message);
-
-class JSDOMExceptionPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSDOMExceptionPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSDOMExceptionPrototype* ptr = new (NotNull, JSC::allocateCell<JSDOMExceptionPrototype>(vm)) JSDOMExceptionPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSDOMExceptionPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSDOMExceptionPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSDOMExceptionPrototype, JSDOMExceptionPrototype::Base);
-
-using JSDOMExceptionDOMConstructor = JSDOMConstructor<JSDOMException>;
-
-/* Hash table for constructor */
-
-static const HashTableValue JSDOMExceptionConstructorTableValues[] = {
-    { "INDEX_SIZE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(1) } },
-    { "DOMSTRING_SIZE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(2) } },
-    { "HIERARCHY_REQUEST_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(3) } },
-    { "WRONG_DOCUMENT_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(4) } },
-    { "INVALID_CHARACTER_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(5) } },
-    { "NO_DATA_ALLOWED_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(6) } },
-    { "NO_MODIFICATION_ALLOWED_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(7) } },
-    { "NOT_FOUND_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(8) } },
-    { "NOT_SUPPORTED_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(9) } },
-    { "INUSE_ATTRIBUTE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(10) } },
-    { "INVALID_STATE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(11) } },
-    { "SYNTAX_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(12) } },
-    { "INVALID_MODIFICATION_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(13) } },
-    { "NAMESPACE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(14) } },
-    { "INVALID_ACCESS_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(15) } },
-    { "VALIDATION_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(16) } },
-    { "TYPE_MISMATCH_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(17) } },
-    { "SECURITY_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(18) } },
-    { "NETWORK_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(19) } },
-    { "ABORT_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(20) } },
-    { "URL_MISMATCH_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(21) } },
-    { "QUOTA_EXCEEDED_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(22) } },
-    { "TIMEOUT_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(23) } },
-    { "INVALID_NODE_TYPE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(24) } },
-    { "DATA_CLONE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(25) } },
-};
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSDOMExceptionDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSDOMExceptionDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    EnsureStillAliveScope argument0 = callFrame->argument(0);
-    auto message = argument0.value().isUndefined() ? emptyString() : convert<IDLDOMString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto name = argument1.value().isUndefined() ? "Error"_s : convert<IDLDOMString>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = DOMException::create(WTFMove(message), WTFMove(name));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<DOMException>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<DOMException>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSDOMExceptionDOMConstructorConstruct, JSDOMExceptionDOMConstructor::construct);
-
-template<> const ClassInfo JSDOMExceptionDOMConstructor::s_info = { "DOMException"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMExceptionDOMConstructor) };
-
-template<> JSValue JSDOMExceptionDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSDOMExceptionDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "DOMException"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSDOMException::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-    reifyStaticProperties(vm, JSDOMException::info(), JSDOMExceptionConstructorTableValues, *this);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSDOMExceptionPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMExceptionConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "code"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMException_code), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "name"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMException_name), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "message"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMException_message), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "INDEX_SIZE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(1) } },
-    { "DOMSTRING_SIZE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(2) } },
-    { "HIERARCHY_REQUEST_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(3) } },
-    { "WRONG_DOCUMENT_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(4) } },
-    { "INVALID_CHARACTER_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(5) } },
-    { "NO_DATA_ALLOWED_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(6) } },
-    { "NO_MODIFICATION_ALLOWED_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(7) } },
-    { "NOT_FOUND_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(8) } },
-    { "NOT_SUPPORTED_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(9) } },
-    { "INUSE_ATTRIBUTE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(10) } },
-    { "INVALID_STATE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(11) } },
-    { "SYNTAX_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(12) } },
-    { "INVALID_MODIFICATION_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(13) } },
-    { "NAMESPACE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(14) } },
-    { "INVALID_ACCESS_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(15) } },
-    { "VALIDATION_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(16) } },
-    { "TYPE_MISMATCH_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(17) } },
-    { "SECURITY_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(18) } },
-    { "NETWORK_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(19) } },
-    { "ABORT_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(20) } },
-    { "URL_MISMATCH_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(21) } },
-    { "QUOTA_EXCEEDED_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(22) } },
-    { "TIMEOUT_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(23) } },
-    { "INVALID_NODE_TYPE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(24) } },
-    { "DATA_CLONE_ERR"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(25) } },
-};
-
-const ClassInfo JSDOMExceptionPrototype::s_info = { "DOMException"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMExceptionPrototype) };
-
-void JSDOMExceptionPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSDOMException::info(), JSDOMExceptionPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSDOMException::s_info = { "DOMException"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMException) };
-
-JSDOMException::JSDOMException(Structure* structure, JSDOMGlobalObject& globalObject, Ref<DOMException>&& impl)
-    : JSDOMWrapper<DOMException>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSDOMException::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, DOMException>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSDOMException::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSDOMExceptionPrototype::create(vm, &globalObject, JSDOMExceptionPrototype::createStructure(vm, &globalObject, globalObject.errorPrototype()));
-}
-
-JSObject* JSDOMException::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSDOMException>(vm, globalObject);
-}
-
-JSValue JSDOMException::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSDOMExceptionDOMConstructor, DOMConstructorID::DOMException>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSDOMException::destroy(JSC::JSCell* cell)
-{
-    JSDOMException* thisObject = static_cast<JSDOMException*>(cell);
-    thisObject->JSDOMException::~JSDOMException();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMExceptionConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSDOMExceptionPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSDOMException::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsDOMException_codeGetter(JSGlobalObject& lexicalGlobalObject, JSDOMException& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUnsignedShort>(lexicalGlobalObject, throwScope, impl.legacyCode())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMException_code, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMException>::get<jsDOMException_codeGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsDOMException_nameGetter(JSGlobalObject& lexicalGlobalObject, JSDOMException& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLDOMString>(lexicalGlobalObject, throwScope, impl.name())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMException_name, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMException>::get<jsDOMException_nameGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsDOMException_messageGetter(JSGlobalObject& lexicalGlobalObject, JSDOMException& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLDOMString>(lexicalGlobalObject, throwScope, impl.message())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMException_message, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMException>::get<jsDOMException_messageGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-JSC::GCClient::IsoSubspace* JSDOMException::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSDOMException, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForDOMException.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForDOMException = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForDOMException.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForDOMException = WTFMove(space); });
-}
-
-void JSDOMException::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSDOMException*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    // if (thisObject->scriptExecutionContext())
-    //     analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSDOMExceptionOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSDOMExceptionOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsDOMException = static_cast<JSDOMException*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsDOMException->wrapped(), jsDOMException);
-}
-
-// #if ENABLE(BINDING_INTEGRITY)
-// #if PLATFORM(WIN)
-// #pragma warning(disable : 4483)
-// extern "C" {
-// extern void (*const __identifier("??_7DOMException@WebCore@@6B@")[])();
-// }
-// #else
-// extern "C" {
-// extern void* _ZTVN7WebCore12DOMExceptionE[];
-// }
-// #endif
-// #endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<DOMException>&& impl)
-{
-
-    // if constexpr (std::is_polymorphic_v<DOMException>) {
-    // #if ENABLE(BINDING_INTEGRITY)
-    //         const void* actualVTablePointer = getVTablePointer(impl.ptr());
-    // #if PLATFORM(WIN)
-    //         void* expectedVTablePointer = __identifier("??_7DOMException@WebCore@@6B@");
-    // #else
-    //         void* expectedVTablePointer = &_ZTVN7WebCore12DOMExceptionE[2];
-    // #endif
-
-    //         // If you hit this assertion you either have a use after free bug, or
-    //         // DOMException has subclasses. If DOMException has subclasses that get passed
-    //         // to toJS() we currently require DOMException you to opt out of binding hardening
-    //         // by adding the SkipVTableValidation attribute to the interface IDL definition
-    //         RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-    // #endif
-    // }
-    return createWrapper<DOMException>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, DOMException& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-DOMException* JSDOMException::toWrapped(JSC::VM& vm, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSDOMException*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, DOMException*)
-{
-    static NeverDestroyed<JSDOMExceptionOwner> owner;
-    return &owner.get();
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMException.h b/src/javascript/jsc/bindings/webcore/JSDOMException.h
deleted file mode 100644
index 7c20a5745..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMException.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "root.h"
-
-#include "DOMException.h"
-#include "JSDOMWrapper.h"
-#include "JavaScriptCore/ErrorPrototype.h"
-#include "wtf/NeverDestroyed.h"
-
-namespace WebCore {
-
-class JSDOMException : public JSDOMWrapper<DOMException> {
-public:
-    using Base = JSDOMWrapper<DOMException>;
-    static JSDOMException* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<DOMException>&& impl)
-    {
-        JSDOMException* ptr = new (NotNull, JSC::allocateCell<JSDOMException>(globalObject->vm())) JSDOMException(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static DOMException* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-protected:
-    JSDOMException(JSC::Structure*, JSDOMGlobalObject&, Ref<DOMException>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSDOMExceptionOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, DOMException*);
-
-inline void* wrapperKey(DOMException* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, DOMException&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, DOMException* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<DOMException>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<DOMException>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<DOMException> {
-    using WrapperClass = JSDOMException;
-    using ToWrappedReturnType = DOMException*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMGlobalObjectInlines.h b/src/javascript/jsc/bindings/webcore/JSDOMGlobalObjectInlines.h
deleted file mode 100644
index 313b14aa2..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMGlobalObjectInlines.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright (C) 2021 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#pragma once
-
-#include "DOMConstructors.h"
-#include "JSDOMGlobalObject.h"
-
-namespace WebCore {
-
-template<class ConstructorClass, DOMConstructorID constructorID>
-inline JSC::JSObject* getDOMConstructor(JSC::VM& vm, const Zig::GlobalObject& globalObject)
-{
-    // No locking is necessary unless we need to add a new constructor to Zig::GlobalObject::constructors().
-    if (JSC::JSObject* constructor = globalObject.constructors().array()[static_cast<unsigned>(constructorID)].get())
-        return constructor;
-    JSC::JSObject* constructor = ConstructorClass::create(vm, ConstructorClass::createStructure(vm, const_cast<Zig::GlobalObject&>(globalObject), ConstructorClass::prototypeForStructure(vm, globalObject)), const_cast<Zig::GlobalObject&>(globalObject));
-    ASSERT(!globalObject.constructors().array()[static_cast<unsigned>(constructorID)].get());
-    Zig::GlobalObject& mutableGlobalObject = const_cast<Zig::GlobalObject&>(globalObject);
-    mutableGlobalObject.constructors().array()[static_cast<unsigned>(constructorID)].set(vm, &globalObject, constructor);
-    return constructor;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMGuardedObject.cpp b/src/javascript/jsc/bindings/webcore/JSDOMGuardedObject.cpp
deleted file mode 100644
index 76fc86415..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMGuardedObject.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright (C) 2017-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSDOMGuardedObject.h"
-
-
-namespace WebCore {
-using namespace JSC;
-
-DOMGuardedObject::DOMGuardedObject(JSDOMGlobalObject& globalObject, JSCell& guarded)
-    : ActiveDOMCallback(globalObject.scriptExecutionContext())
-    , m_guarded(&guarded)
-    , m_globalObject(&globalObject)
-{
-    globalObject.vm().writeBarrier(&globalObject, &guarded);
-    if (globalObject.vm().heap.mutatorShouldBeFenced()) {
-        Locker locker { globalObject.gcLock() };
-        globalObject.guardedObjects().add(this);
-        return;
-    }
-    globalObject.guardedObjects(NoLockingNecessary).add(this);
-}
-
-DOMGuardedObject::~DOMGuardedObject()
-{
-    clear();
-}
-
-void DOMGuardedObject::clear()
-{
-    ASSERT(!m_guarded || m_globalObject);
-    removeFromGlobalObject();
-    m_guarded.clear();
-    m_globalObject.clear();
-}
-
-void DOMGuardedObject::removeFromGlobalObject()
-{
-    if (!m_guarded || !m_globalObject)
-        return;
-
-    if (m_globalObject->vm().heap.mutatorShouldBeFenced()) {
-        Locker locker { m_globalObject->gcLock() };
-        m_globalObject->guardedObjects().remove(this);
-    } else
-        m_globalObject->guardedObjects(NoLockingNecessary).remove(this);
-}
-
-void DOMGuardedObject::contextDestroyed()
-{
-    ActiveDOMCallback::contextDestroyed();
-    clear();
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMGuardedObject.h b/src/javascript/jsc/bindings/webcore/JSDOMGuardedObject.h
deleted file mode 100644
index cf0887c32..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMGuardedObject.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2017-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ActiveDOMCallback.h"
-#include "JSDOMGlobalObject.h"
-#include <JavaScriptCore/HeapInlines.h>
-#include <JavaScriptCore/JSCell.h>
-#include <JavaScriptCore/SlotVisitorInlines.h>
-#include <JavaScriptCore/StrongInlines.h>
-
-namespace WebCore {
-
-class WEBCORE_EXPORT DOMGuardedObject : public RefCounted<DOMGuardedObject>, public ActiveDOMCallback {
-public:
-    ~DOMGuardedObject();
-
-    bool isSuspended() const { return !m_guarded || !canInvokeCallback(); } // The wrapper world has gone away or active DOM objects have been suspended.
-
-    template<typename Visitor> void visitAggregate(Visitor& visitor) { visitor.append(m_guarded); }
-
-    JSC::JSValue guardedObject() const { return m_guarded.get(); }
-    JSDOMGlobalObject* globalObject() const { return m_globalObject.get(); }
-
-    void clear();
-
-protected:
-    DOMGuardedObject(JSDOMGlobalObject&, JSC::JSCell&);
-
-    void contextDestroyed();
-    bool isEmpty() const { return !m_guarded; }
-
-    JSC::Weak<JSC::JSCell> m_guarded;
-    JSC::Weak<JSDOMGlobalObject> m_globalObject;
-
-private:
-    void removeFromGlobalObject();
-};
-
-template<typename T> class DOMGuarded : public DOMGuardedObject {
-protected:
-    DOMGuarded(JSDOMGlobalObject& globalObject, T& guarded)
-        : DOMGuardedObject(globalObject, guarded)
-    {
-    }
-    T* guarded() const { return JSC::jsDynamicCast<T*>(guardedObject()); }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMIterator.cpp b/src/javascript/jsc/bindings/webcore/JSDOMIterator.cpp
deleted file mode 100644
index 0bc957e17..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMIterator.cpp
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2016 Apple, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSDOMIterator.h"
-
-#include <JavaScriptCore/ArrayPrototype.h>
-#include <JavaScriptCore/BuiltinNames.h>
-
-namespace WebCore {
-
-void addValueIterableMethods(JSC::JSGlobalObject& globalObject, JSC::JSObject& prototype)
-{
-    JSC::ArrayPrototype* arrayPrototype = globalObject.arrayPrototype();
-    ASSERT(arrayPrototype);
-
-    JSC::JSGlobalObject* lexicalGlobalObject = &globalObject;
-    ASSERT(lexicalGlobalObject);
-    JSC::VM& vm = lexicalGlobalObject->vm();
-
-    auto copyProperty = [&](const JSC::Identifier& arrayIdentifier, const JSC::Identifier& otherIdentifier, unsigned attributes = 0) {
-        JSC::JSValue value = arrayPrototype->getDirect(vm, arrayIdentifier);
-        ASSERT(value);
-        prototype.putDirect(vm, otherIdentifier, value, attributes);
-    };
-
-    copyProperty(vm.propertyNames->builtinNames().entriesPrivateName(), vm.propertyNames->builtinNames().entriesPublicName());
-    copyProperty(vm.propertyNames->builtinNames().forEachPrivateName(), vm.propertyNames->builtinNames().forEachPublicName());
-    copyProperty(vm.propertyNames->builtinNames().keysPrivateName(), vm.propertyNames->builtinNames().keysPublicName());
-    copyProperty(vm.propertyNames->builtinNames().valuesPrivateName(), vm.propertyNames->builtinNames().valuesPublicName());
-}
-
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMIterator.h b/src/javascript/jsc/bindings/webcore/JSDOMIterator.h
deleted file mode 100644
index b9740d4f9..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMIterator.h
+++ /dev/null
@@ -1,275 +0,0 @@
-/*
- * Copyright (C) 2016 Canon, Inc. All rights reserved.
- * Copyright (C) 2016-2022 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CANON INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMConvert.h"
-#include <JavaScriptCore/IteratorPrototype.h>
-#include <JavaScriptCore/PropertySlot.h>
-#include <type_traits>
-
-namespace WebCore {
-
-void addValueIterableMethods(JSC::JSGlobalObject&, JSC::JSObject&);
-
-enum class JSDOMIteratorType { Set,
-    Map };
-
-// struct IteratorTraits {
-//     static constexpr JSDOMIteratorType type = [Map|Set];
-//     using KeyType = [IDLType|void];
-//     using ValueType = [IDLType];
-// };
-
-template<typename T, typename U = void> using EnableIfMap = typename std::enable_if<T::type == JSDOMIteratorType::Map, U>::type;
-template<typename T, typename U = void> using EnableIfSet = typename std::enable_if<T::type == JSDOMIteratorType::Set, U>::type;
-
-template<typename JSWrapper, typename IteratorTraits> class JSDOMIteratorPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    using DOMWrapped = typename JSWrapper::DOMWrapped;
-
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSDOMIteratorPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-
-    static JSDOMIteratorPrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSDOMIteratorPrototype, JSDOMIteratorPrototype::Base);
-        JSDOMIteratorPrototype* prototype = new (NotNull, JSC::allocateCell<JSDOMIteratorPrototype>(vm)) JSDOMIteratorPrototype(vm, structure);
-        prototype->finishCreation(vm, globalObject);
-        return prototype;
-    }
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-    static JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES next(JSC::JSGlobalObject*, JSC::CallFrame*);
-
-private:
-    JSDOMIteratorPrototype(JSC::VM& vm, JSC::Structure* structure)
-        : Base(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&, JSC::JSGlobalObject*);
-};
-
-using IterationKind = JSC::IterationKind;
-
-template<typename JSWrapper, typename IteratorTraits> class JSDOMIteratorBase : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-
-    using Wrapper = JSWrapper;
-    using Traits = IteratorTraits;
-
-    using DOMWrapped = typename Wrapper::DOMWrapped;
-    using Prototype = JSDOMIteratorPrototype<Wrapper, Traits>;
-
-    DECLARE_INFO;
-
-    static Prototype* createPrototype(JSC::VM& vm, JSC::JSGlobalObject& globalObject)
-    {
-        return Prototype::create(vm, &globalObject, Prototype::createStructure(vm, &globalObject, globalObject.iteratorPrototype()));
-    }
-
-    JSC::JSValue next(JSC::JSGlobalObject&);
-
-    static void createStructure(JSC::VM&, JSC::JSGlobalObject*, JSC::JSValue); // Make use of createStructure for this compile-error.
-
-protected:
-    JSDOMIteratorBase(JSC::Structure* structure, JSWrapper& iteratedObject, IterationKind kind)
-        : Base(structure, *iteratedObject.globalObject())
-        , m_iterator(iteratedObject.wrapped().createIterator())
-        , m_kind(kind)
-    {
-    }
-
-    template<typename IteratorValue, typename T = Traits> EnableIfMap<T, JSC::JSValue> asJS(JSC::JSGlobalObject&, IteratorValue&);
-    template<typename IteratorValue, typename T = Traits> EnableIfSet<T, JSC::JSValue> asJS(JSC::JSGlobalObject&, IteratorValue&);
-
-    static void destroy(JSC::JSCell*);
-
-    std::optional<typename DOMWrapped::Iterator> m_iterator;
-    IterationKind m_kind;
-};
-
-inline JSC::JSValue jsPair(JSC::JSGlobalObject&, JSDOMGlobalObject& globalObject, JSC::JSValue value1, JSC::JSValue value2)
-{
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(value1);
-    arguments.append(value2);
-    ASSERT(!arguments.hasOverflowed());
-    return constructArray(&globalObject, static_cast<JSC::ArrayAllocationProfile*>(nullptr), arguments);
-}
-
-template<typename FirstType, typename SecondType, typename T, typename U>
-inline JSC::JSValue jsPair(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const T& value1, const U& value2)
-{
-    return jsPair(lexicalGlobalObject, globalObject, toJS<FirstType>(lexicalGlobalObject, globalObject, value1), toJS<SecondType>(lexicalGlobalObject, globalObject, value2));
-}
-
-template<typename JSIterator> JSC::JSValue iteratorCreate(typename JSIterator::Wrapper&, IterationKind);
-template<typename JSIterator> JSC::JSValue iteratorForEach(JSC::JSGlobalObject&, JSC::CallFrame&, typename JSIterator::Wrapper&);
-
-template<typename JSIterator> JSC::JSValue iteratorCreate(typename JSIterator::Wrapper& thisObject, IterationKind kind)
-{
-    ASSERT(thisObject.globalObject());
-    JSDOMGlobalObject& globalObject = *thisObject.globalObject();
-    return JSIterator::create(globalObject.vm(), getDOMStructure<JSIterator>(globalObject.vm(), globalObject), thisObject, kind);
-}
-
-template<typename JSWrapper, typename IteratorTraits>
-template<typename IteratorValue, typename T> inline EnableIfMap<T, JSC::JSValue> JSDOMIteratorBase<JSWrapper, IteratorTraits>::asJS(JSC::JSGlobalObject& lexicalGlobalObject, IteratorValue& value)
-{
-    ASSERT(value);
-
-    switch (m_kind) {
-    case IterationKind::Keys:
-        return toJS<typename Traits::KeyType>(lexicalGlobalObject, *globalObject(), value->key);
-    case IterationKind::Values:
-        return toJS<typename Traits::ValueType>(lexicalGlobalObject, *globalObject(), value->value);
-    case IterationKind::Entries:
-        return jsPair<typename Traits::KeyType, typename Traits::ValueType>(lexicalGlobalObject, *globalObject(), value->key, value->value);
-    };
-
-    ASSERT_NOT_REACHED();
-    return {};
-}
-
-template<typename JSWrapper, typename IteratorTraits>
-template<typename IteratorValue, typename T> inline EnableIfSet<T, JSC::JSValue> JSDOMIteratorBase<JSWrapper, IteratorTraits>::asJS(JSC::JSGlobalObject& lexicalGlobalObject, IteratorValue& value)
-{
-    ASSERT(value);
-
-    auto globalObject = this->globalObject();
-    auto result = toJS<typename Traits::ValueType>(lexicalGlobalObject, *globalObject, value);
-
-    switch (m_kind) {
-    case IterationKind::Keys:
-    case IterationKind::Values:
-        return result;
-    case IterationKind::Entries:
-        return jsPair(lexicalGlobalObject, *globalObject, result, result);
-    };
-
-    ASSERT_NOT_REACHED();
-    return {};
-}
-
-template<typename JSIterator, typename IteratorValue> EnableIfMap<typename JSIterator::Traits> appendForEachArguments(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, JSC::MarkedArgumentBuffer& arguments, IteratorValue& value)
-{
-    ASSERT(value);
-    arguments.append(toJS<typename JSIterator::Traits::ValueType>(lexicalGlobalObject, globalObject, value->value));
-    arguments.append(toJS<typename JSIterator::Traits::KeyType>(lexicalGlobalObject, globalObject, value->key));
-}
-
-template<typename JSIterator, typename IteratorValue> EnableIfSet<typename JSIterator::Traits> appendForEachArguments(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, JSC::MarkedArgumentBuffer& arguments, IteratorValue& value)
-{
-    ASSERT(value);
-    auto argument = toJS<typename JSIterator::Traits::ValueType>(lexicalGlobalObject, globalObject, value);
-    arguments.append(argument);
-    arguments.append(argument);
-}
-
-template<typename JSIterator> JSC::JSValue iteratorForEach(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, typename JSIterator::Wrapper& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto scope = DECLARE_THROW_SCOPE(vm);
-    JSC::JSValue callback = callFrame.argument(0);
-    JSC::JSValue thisValue = callFrame.argument(1);
-
-    auto callData = JSC::getCallData(callback);
-    if (callData.type == JSC::CallData::Type::None)
-        return throwTypeError(&lexicalGlobalObject, scope, "Cannot call callback"_s);
-
-    auto iterator = thisObject.wrapped().createIterator();
-    while (auto value = iterator.next()) {
-        JSC::MarkedArgumentBuffer arguments;
-        appendForEachArguments<JSIterator>(lexicalGlobalObject, *thisObject.globalObject(), arguments, value);
-        arguments.append(&thisObject);
-        if (UNLIKELY(arguments.hasOverflowed())) {
-            throwOutOfMemoryError(&lexicalGlobalObject, scope);
-            return {};
-        }
-        JSC::call(&lexicalGlobalObject, callback, callData, thisValue, arguments);
-        if (UNLIKELY(scope.exception()))
-            break;
-    }
-    return JSC::jsUndefined();
-}
-
-template<typename JSWrapper, typename IteratorTraits>
-void JSDOMIteratorBase<JSWrapper, IteratorTraits>::destroy(JSCell* cell)
-{
-    JSDOMIteratorBase<JSWrapper, IteratorTraits>* thisObject = static_cast<JSDOMIteratorBase<JSWrapper, IteratorTraits>*>(cell);
-    thisObject->JSDOMIteratorBase<JSWrapper, IteratorTraits>::~JSDOMIteratorBase();
-}
-
-template<typename JSWrapper, typename IteratorTraits>
-JSC::JSValue JSDOMIteratorBase<JSWrapper, IteratorTraits>::next(JSC::JSGlobalObject& lexicalGlobalObject)
-{
-    if (m_iterator) {
-        auto iteratorValue = m_iterator->next();
-        if (iteratorValue)
-            return createIteratorResultObject(&lexicalGlobalObject, asJS(lexicalGlobalObject, iteratorValue), false);
-        m_iterator = std::nullopt;
-    }
-    return createIteratorResultObject(&lexicalGlobalObject, JSC::jsUndefined(), true);
-}
-
-template<typename JSWrapper, typename IteratorTraits>
-JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSDOMIteratorPrototype<JSWrapper, IteratorTraits>::next(JSC::JSGlobalObject* globalObject, JSC::CallFrame* callFrame)
-{
-    JSC::VM& vm = globalObject->vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    auto iterator = JSC::jsDynamicCast<JSDOMIteratorBase<JSWrapper, IteratorTraits>*>(callFrame->thisValue());
-    if (!iterator)
-        return JSC::JSValue::encode(throwTypeError(globalObject, scope, "Cannot call next() on a non-Iterator object"_s));
-
-    return JSC::JSValue::encode(iterator->next(*globalObject));
-}
-
-template<typename JSWrapper, typename IteratorTraits>
-void JSDOMIteratorPrototype<JSWrapper, IteratorTraits>::finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    JSC_NATIVE_INTRINSIC_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->next, next, 0, 0, JSC::NoIntrinsic);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMOperation.h b/src/javascript/jsc/bindings/webcore/JSDOMOperation.h
deleted file mode 100644
index c3f6d0451..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMOperation.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2003-2020 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2009 Google, Inc. All rights reserved.
- *  Copyright (C) 2012 Ericsson AB. All rights reserved.
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-#include "JSDOMCastThisValue.h"
-#include "JSDOMExceptionHandling.h"
-
-namespace WebCore {
-
-template<typename JSClass>
-class IDLOperation {
-public:
-    using ClassParameter = JSClass*;
-    using Operation = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*, ClassParameter);
-    using StaticOperation = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*);
-
-    // FIXME: Remove this after FunctionCallResolveNode is fixed not to pass resolved scope as |this| value.
-    // https://bugs.webkit.org/show_bug.cgi?id=225397
-    static JSClass* cast(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame)
-    {
-        if constexpr (std::is_base_of_v<JSDOMGlobalObject, JSClass>)
-            return castThisValue<JSClass>(lexicalGlobalObject, callFrame.thisValue().toThis(&lexicalGlobalObject, JSC::ECMAMode::strict()));
-        else
-            return castThisValue<JSClass>(lexicalGlobalObject, callFrame.thisValue());
-    }
-
-    template<Operation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
-    static JSC::EncodedJSValue call(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char* operationName)
-    {
-        auto throwScope = DECLARE_THROW_SCOPE(JSC::getVM(&lexicalGlobalObject));
-        
-        auto* thisObject = cast(lexicalGlobalObject, callFrame);
-        if constexpr (shouldThrow != CastedThisErrorBehavior::Assert) {
-            if (UNLIKELY(!thisObject))
-                return throwThisTypeError(lexicalGlobalObject, throwScope, JSClass::info()->className, operationName);
-        } else
-            ASSERT(thisObject);
-
-        ASSERT_GC_OBJECT_INHERITS(thisObject, JSClass::info());
-        
-        // FIXME: We should refactor the binding generated code to use references for lexicalGlobalObject and thisObject.
-        RELEASE_AND_RETURN(throwScope, (operation(&lexicalGlobalObject, &callFrame, thisObject)));
-    }
-
-    template<StaticOperation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::Throw>
-    static JSC::EncodedJSValue callStatic(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char*)
-    {
-        // FIXME: We should refactor the binding generated code to use references for lexicalGlobalObject.
-        return operation(&lexicalGlobalObject, &callFrame);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMOperationReturningPromise.h b/src/javascript/jsc/bindings/webcore/JSDOMOperationReturningPromise.h
deleted file mode 100644
index c4d1513ad..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMOperationReturningPromise.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
- *  Copyright (C) 2003-2020 Apple Inc. All rights reserved.
- *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
- *  Copyright (C) 2009 Google, Inc. All rights reserved.
- *  Copyright (C) 2012 Ericsson AB. All rights reserved.
- *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-#include "JSDOMOperation.h"
-#include "JSDOMPromiseDeferred.h"
-
-namespace WebCore {
-
-template<typename JSClass>
-class IDLOperationReturningPromise {
-public:
-    using ClassParameter = JSClass*;
-    using Operation = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*, ClassParameter, Ref<DeferredPromise>&&);
-    using StaticOperation = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*, Ref<DeferredPromise>&&);
-
-    template<Operation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::RejectPromise>
-    static JSC::EncodedJSValue call(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char* operationName)
-    {
-        return JSC::JSValue::encode(callPromiseFunction(lexicalGlobalObject, callFrame, [&operationName] (JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, Ref<DeferredPromise>&& promise) {
-            auto* thisObject = IDLOperation<JSClass>::cast(lexicalGlobalObject, callFrame);
-            if constexpr (shouldThrow != CastedThisErrorBehavior::Assert) {
-                if (UNLIKELY(!thisObject))
-                    return rejectPromiseWithThisTypeError(promise.get(), JSClass::info()->className, operationName);
-            } else
-                ASSERT(thisObject);
-
-            ASSERT_GC_OBJECT_INHERITS(thisObject, JSClass::info());
-            
-            // FIXME: We should refactor the binding generated code to use references for lexicalGlobalObject and thisObject.
-            return operation(&lexicalGlobalObject, &callFrame, thisObject, WTFMove(promise));
-        }));
-    }
-
-    // This function is a special case for custom operations want to handle the creation of the promise themselves.
-    // It is triggered via the extended attribute [ReturnsOwnPromise].
-    template<typename IDLOperation<JSClass>::Operation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::RejectPromise>
-    static JSC::EncodedJSValue callReturningOwnPromise(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char* operationName)
-    {
-        auto* thisObject = IDLOperation<JSClass>::cast(lexicalGlobalObject, callFrame);
-        if constexpr (shouldThrow != CastedThisErrorBehavior::Assert) {
-            if (UNLIKELY(!thisObject))
-                return rejectPromiseWithThisTypeError(lexicalGlobalObject, JSClass::info()->className, operationName);
-        } else
-            ASSERT(thisObject);
-
-        ASSERT_GC_OBJECT_INHERITS(thisObject, JSClass::info());
-
-        // FIXME: We should refactor the binding generated code to use references for lexicalGlobalObject and thisObject.
-        return operation(&lexicalGlobalObject, &callFrame, thisObject);
-    }
-
-    template<StaticOperation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::RejectPromise>
-    static JSC::EncodedJSValue callStatic(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char*)
-    {
-        return JSC::JSValue::encode(callPromiseFunction(lexicalGlobalObject, callFrame, [] (JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, Ref<DeferredPromise>&& promise) {
-            // FIXME: We should refactor the binding generated code to use references for lexicalGlobalObject.
-            return operation(&lexicalGlobalObject, &callFrame, WTFMove(promise));
-        }));
-    }
-
-    // This function is a special case for custom operations want to handle the creation of the promise themselves.
-    // It is triggered via the extended attribute [ReturnsOwnPromise].
-    template<typename IDLOperation<JSClass>::StaticOperation operation, CastedThisErrorBehavior shouldThrow = CastedThisErrorBehavior::RejectPromise>
-    static JSC::EncodedJSValue callStaticReturningOwnPromise(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char*)
-    {
-        // FIXME: We should refactor the binding generated code to use references for lexicalGlobalObject.
-        return operation(&lexicalGlobalObject, &callFrame);
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMPromise.cpp b/src/javascript/jsc/bindings/webcore/JSDOMPromise.cpp
deleted file mode 100644
index db1597552..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMPromise.cpp
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2017-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSDOMPromise.h"
-
-// #include "DOMWindow.h"
-// #include "JSDOMWindow.h"
-#include <JavaScriptCore/BuiltinNames.h>
-#include <JavaScriptCore/CatchScope.h>
-#include <JavaScriptCore/Exception.h>
-#include <JavaScriptCore/JSNativeStdFunction.h>
-#include <JavaScriptCore/JSPromiseConstructor.h>
-
-using namespace JSC;
-
-namespace WebCore {
-
-auto DOMPromise::whenSettled(std::function<void()>&& callback) -> IsCallbackRegistered
-{
-    return whenPromiseIsSettled(globalObject(), promise(), WTFMove(callback));
-}
-
-auto DOMPromise::whenPromiseIsSettled(JSDOMGlobalObject* globalObject, JSC::JSObject* promise, Function<void()>&& callback) -> IsCallbackRegistered
-{
-    auto& lexicalGlobalObject = *globalObject;
-    auto& vm = lexicalGlobalObject.vm();
-    JSLockHolder lock(vm);
-    auto* handler = JSC::JSNativeStdFunction::create(vm, globalObject, 1, String {}, [callback = WTFMove(callback)](JSGlobalObject*, CallFrame*) mutable {
-        callback();
-        return JSC::JSValue::encode(JSC::jsUndefined());
-    });
-
-    auto scope = DECLARE_THROW_SCOPE(vm);
-    const JSC::Identifier& privateName = vm.propertyNames->builtinNames().thenPrivateName();
-    auto thenFunction = promise->get(&lexicalGlobalObject, privateName);
-
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-    if (scope.exception())
-        return IsCallbackRegistered::No;
-
-    ASSERT(thenFunction.isCallable());
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(handler);
-    arguments.append(handler);
-
-    auto callData = JSC::getCallData(thenFunction);
-    ASSERT(callData.type != JSC::CallData::Type::None);
-    call(&lexicalGlobalObject, thenFunction, callData, promise, arguments);
-
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-    return scope.exception() ? IsCallbackRegistered::No : IsCallbackRegistered::Yes;
-}
-
-JSC::JSValue DOMPromise::result() const
-{
-    return promise()->result(m_globalObject->vm());
-}
-
-DOMPromise::Status DOMPromise::status() const
-{
-    switch (promise()->status(m_globalObject->vm())) {
-    case JSC::JSPromise::Status::Pending:
-        return Status::Pending;
-    case JSC::JSPromise::Status::Fulfilled:
-        return Status::Fulfilled;
-    case JSC::JSPromise::Status::Rejected:
-        return Status::Rejected;
-    };
-    ASSERT_NOT_REACHED();
-    return Status::Rejected;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMPromise.h b/src/javascript/jsc/bindings/webcore/JSDOMPromise.h
deleted file mode 100644
index 97ebafa74..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMPromise.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2013-2017 Apple Inc. All rights reserved.
- * Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMGuardedObject.h"
-#include <JavaScriptCore/JSPromise.h>
-
-namespace WebCore {
-
-class DOMPromise : public DOMGuarded<JSC::JSPromise> {
-public:
-    static Ref<DOMPromise> create(JSDOMGlobalObject& globalObject, JSC::JSPromise& promise)
-    {
-        return adoptRef(*new DOMPromise(globalObject, promise));
-    }
-
-    JSC::JSPromise* promise() const
-    {
-        ASSERT(!isSuspended());
-        return guarded();
-    }
-
-    enum class IsCallbackRegistered { No, Yes };
-    IsCallbackRegistered whenSettled(std::function<void()>&&);
-    JSC::JSValue result() const;
-
-    enum class Status { Pending, Fulfilled, Rejected };
-    Status status() const;
-
-    static IsCallbackRegistered whenPromiseIsSettled(JSDOMGlobalObject*, JSC::JSObject* promise, Function<void()>&&);
-
-private:
-    DOMPromise(JSDOMGlobalObject& globalObject, JSC::JSPromise& promise)
-        : DOMGuarded<JSC::JSPromise>(globalObject, promise)
-    {
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMPromiseDeferred.cpp b/src/javascript/jsc/bindings/webcore/JSDOMPromiseDeferred.cpp
deleted file mode 100644
index 0c9f83ef7..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMPromiseDeferred.cpp
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
- * Copyright (C) 2013-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSDOMPromiseDeferred.h"
-
-// #include "DOMWindow.h"
-// #include "EventLoop.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMPromise.h"
-// #include "JSDOMWindow.h"
-// #include "ScriptController.h"
-// #include "WorkerGlobalScope.h"
-#include <JavaScriptCore/BuiltinNames.h>
-#include <JavaScriptCore/Exception.h>
-#include <JavaScriptCore/JSONObject.h>
-#include <JavaScriptCore/JSPromiseConstructor.h>
-#include <JavaScriptCore/Strong.h>
-
-namespace WebCore {
-using namespace JSC;
-
-JSC::JSValue DeferredPromise::promise() const
-{
-    if (isEmpty())
-        return jsUndefined();
-
-    ASSERT(deferred());
-    return deferred();
-}
-
-void DeferredPromise::callFunction(JSGlobalObject& lexicalGlobalObject, ResolveMode mode, JSValue resolution)
-{
-    if (shouldIgnoreRequestToFulfill())
-        return;
-
-    // if (activeDOMObjectsAreSuspended()) {
-    //     JSC::Strong<JSC::Unknown, ShouldStrongDestructorGrabLock::Yes> strongResolution(lexicalGlobalObject.vm(), resolution);
-    //     ASSERT(scriptExecutionContext()->eventLoop().isSuspended());
-    //     scriptExecutionContext()->eventLoop().queueTask(TaskSource::Networking, [this, protectedThis = Ref { *this }, mode, strongResolution = WTFMove(strongResolution)]() mutable {
-    //         if (shouldIgnoreRequestToFulfill())
-    //             return;
-
-    //         JSC::JSGlobalObject* lexicalGlobalObject = globalObject();
-    //         JSC::JSLockHolder locker(lexicalGlobalObject);
-    //         callFunction(*globalObject(), mode, strongResolution.get());
-    //     });
-    //     return;
-    // }
-
-    // FIXME: We could have error since any JS call can throw stack-overflow errors.
-    // https://bugs.webkit.org/show_bug.cgi?id=203402
-    switch (mode) {
-    case ResolveMode::Resolve:
-        deferred()->resolve(&lexicalGlobalObject, resolution);
-        break;
-    case ResolveMode::Reject:
-        deferred()->reject(&lexicalGlobalObject, resolution);
-        break;
-    case ResolveMode::RejectAsHandled:
-        deferred()->rejectAsHandled(&lexicalGlobalObject, resolution);
-        break;
-    }
-
-    if (m_mode == Mode::ClearPromiseOnResolve)
-        clear();
-}
-
-void DeferredPromise::whenSettled(Function<void()>&& callback)
-{
-    if (shouldIgnoreRequestToFulfill())
-        return;
-
-    // if (activeDOMObjectsAreSuspended()) {
-    //     scriptExecutionContext()->eventLoop().queueTask(TaskSource::Networking, [this, protectedThis = Ref { *this }, callback = WTFMove(callback)]() mutable {
-    //         whenSettled(WTFMove(callback));
-    //     });
-    //     return;
-    // }
-
-    DOMPromise::whenPromiseIsSettled(globalObject(), deferred(), WTFMove(callback));
-}
-
-void DeferredPromise::reject(RejectAsHandled rejectAsHandled)
-{
-    if (shouldIgnoreRequestToFulfill())
-        return;
-
-    ASSERT(deferred());
-    ASSERT(m_globalObject);
-    auto& lexicalGlobalObject = *m_globalObject;
-    JSC::JSLockHolder locker(&lexicalGlobalObject);
-    reject(lexicalGlobalObject, JSC::jsUndefined(), rejectAsHandled);
-}
-
-void DeferredPromise::reject(JSC::JSValue value, RejectAsHandled rejectAsHandled)
-{
-    if (shouldIgnoreRequestToFulfill())
-        return;
-    ASSERT(deferred());
-    ASSERT(m_globalObject);
-    auto& lexicalGlobalObject = *m_globalObject;
-    JSC::JSLockHolder locker(&lexicalGlobalObject);
-    reject(lexicalGlobalObject, value, rejectAsHandled);
-}
-
-void DeferredPromise::reject(std::nullptr_t, RejectAsHandled rejectAsHandled)
-{
-    if (shouldIgnoreRequestToFulfill())
-        return;
-
-    ASSERT(deferred());
-    ASSERT(m_globalObject);
-    auto& lexicalGlobalObject = *m_globalObject;
-    JSC::JSLockHolder locker(&lexicalGlobalObject);
-    reject(lexicalGlobalObject, JSC::jsNull(), rejectAsHandled);
-}
-
-void DeferredPromise::reject(Exception exception, RejectAsHandled rejectAsHandled)
-{
-    if (shouldIgnoreRequestToFulfill())
-        return;
-
-    Ref protectedThis(*this);
-    ASSERT(deferred());
-    ASSERT(m_globalObject);
-    auto& lexicalGlobalObject = *m_globalObject;
-    JSC::VM& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder locker(vm);
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-
-    if (exception.code() == ExistingExceptionError) {
-        EXCEPTION_ASSERT(scope.exception());
-        auto error = scope.exception()->value();
-        bool isTerminating = handleTerminationExceptionIfNeeded(scope, lexicalGlobalObject);
-        scope.clearException();
-
-        if (!isTerminating)
-            reject<IDLAny>(error, rejectAsHandled);
-        return;
-    }
-
-    auto error = createDOMException(lexicalGlobalObject, WTFMove(exception));
-    if (UNLIKELY(scope.exception())) {
-        handleUncaughtException(scope, lexicalGlobalObject);
-        return;
-    }
-
-    reject(lexicalGlobalObject, error, rejectAsHandled);
-    if (UNLIKELY(scope.exception()))
-        handleUncaughtException(scope, lexicalGlobalObject);
-}
-
-void DeferredPromise::reject(ExceptionCode ec, const String& message, RejectAsHandled rejectAsHandled)
-{
-    if (shouldIgnoreRequestToFulfill())
-        return;
-
-    Ref protectedThis(*this);
-    ASSERT(deferred());
-    ASSERT(m_globalObject);
-    auto& lexicalGlobalObject = *m_globalObject;
-    JSC::VM& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder locker(vm);
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-
-    if (ec == ExistingExceptionError) {
-        EXCEPTION_ASSERT(scope.exception());
-        auto error = scope.exception()->value();
-        bool isTerminating = handleTerminationExceptionIfNeeded(scope, lexicalGlobalObject);
-        scope.clearException();
-
-        if (!isTerminating)
-            reject<IDLAny>(error, rejectAsHandled);
-        return;
-    }
-
-    auto error = createDOMException(&lexicalGlobalObject, ec, message);
-    if (UNLIKELY(scope.exception())) {
-        handleUncaughtException(scope, lexicalGlobalObject);
-        return;
-    }
-
-    reject(lexicalGlobalObject, error, rejectAsHandled);
-    if (UNLIKELY(scope.exception()))
-        handleUncaughtException(scope, lexicalGlobalObject);
-}
-
-void DeferredPromise::reject(const JSC::PrivateName& privateName, RejectAsHandled rejectAsHandled)
-{
-    if (shouldIgnoreRequestToFulfill())
-        return;
-
-    ASSERT(deferred());
-    ASSERT(m_globalObject);
-    JSC::JSGlobalObject* lexicalGlobalObject = m_globalObject.get();
-    JSC::JSLockHolder locker(lexicalGlobalObject);
-    reject(*lexicalGlobalObject, JSC::Symbol::create(lexicalGlobalObject->vm(), privateName.uid()), rejectAsHandled);
-}
-
-void rejectPromiseWithExceptionIfAny(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, JSPromise& promise, JSC::CatchScope& catchScope)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    if (LIKELY(!catchScope.exception()))
-        return;
-
-    JSValue error = catchScope.exception()->value();
-    catchScope.clearException();
-
-    DeferredPromise::create(globalObject, promise)->reject<IDLAny>(error);
-}
-
-JSC::EncodedJSValue createRejectedPromiseWithTypeError(JSC::JSGlobalObject& lexicalGlobalObject, const String& errorMessage, RejectedPromiseWithTypeErrorCause cause)
-{
-    auto& globalObject = lexicalGlobalObject;
-    auto& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    auto promiseConstructor = globalObject.promiseConstructor();
-    auto rejectFunction = promiseConstructor->get(&lexicalGlobalObject, vm.propertyNames->builtinNames().rejectPrivateName());
-    RETURN_IF_EXCEPTION(scope, {});
-    auto* rejectionValue = static_cast<ErrorInstance*>(createTypeError(&lexicalGlobalObject, errorMessage));
-    if (cause == RejectedPromiseWithTypeErrorCause::NativeGetter)
-        rejectionValue->setNativeGetterTypeError();
-
-    auto callData = JSC::getCallData(rejectFunction);
-    ASSERT(callData.type != CallData::Type::None);
-
-    MarkedArgumentBuffer arguments;
-    arguments.append(rejectionValue);
-    ASSERT(!arguments.hasOverflowed());
-
-    RELEASE_AND_RETURN(scope, JSValue::encode(call(&lexicalGlobalObject, rejectFunction, callData, promiseConstructor, arguments)));
-}
-
-static inline JSC::JSValue parseAsJSON(JSC::JSGlobalObject* lexicalGlobalObject, const String& data)
-{
-    JSC::JSLockHolder lock(lexicalGlobalObject);
-    return JSC::JSONParse(lexicalGlobalObject, data);
-}
-
-void fulfillPromiseWithJSON(Ref<DeferredPromise>&& promise, const String& data)
-{
-    JSC::JSValue value = parseAsJSON(promise->globalObject(), data);
-    if (!value)
-        promise->reject(SyntaxError);
-    else
-        promise->resolve<IDLAny>(value);
-}
-
-void fulfillPromiseWithArrayBuffer(Ref<DeferredPromise>&& promise, ArrayBuffer* arrayBuffer)
-{
-    if (!arrayBuffer) {
-        promise->reject<IDLAny>(createOutOfMemoryError(promise->globalObject()));
-        return;
-    }
-    promise->resolve<IDLInterface<ArrayBuffer>>(*arrayBuffer);
-}
-
-void fulfillPromiseWithArrayBuffer(Ref<DeferredPromise>&& promise, const void* data, size_t length)
-{
-    fulfillPromiseWithArrayBuffer(WTFMove(promise), ArrayBuffer::tryCreate(data, length).get());
-}
-
-bool DeferredPromise::handleTerminationExceptionIfNeeded(CatchScope& scope, JSDOMGlobalObject& lexicalGlobalObject)
-{
-    auto* exception = scope.exception();
-    VM& vm = scope.vm();
-
-    auto& scriptExecutionContext = *lexicalGlobalObject.scriptExecutionContext();
-    // if (is<WorkerGlobalScope>(scriptExecutionContext)) {
-    //     auto* scriptController = downcast<WorkerGlobalScope>(scriptExecutionContext).script();
-    //     bool terminatorCausedException = vm.isTerminationException(exception);
-    //     if (terminatorCausedException || (scriptController && scriptController->isTerminatingExecution())) {
-    //         scriptController->forbidExecution();
-    //         return true;
-    //     }
-    // }
-    return false;
-}
-
-void DeferredPromise::handleUncaughtException(CatchScope& scope, JSDOMGlobalObject& lexicalGlobalObject)
-{
-    auto* exception = scope.exception();
-    handleTerminationExceptionIfNeeded(scope, lexicalGlobalObject);
-    reportException(&lexicalGlobalObject, exception);
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMPromiseDeferred.h b/src/javascript/jsc/bindings/webcore/JSDOMPromiseDeferred.h
deleted file mode 100644
index 701608677..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMPromiseDeferred.h
+++ /dev/null
@@ -1,377 +0,0 @@
-/*
- * Copyright (C) 2013-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ExceptionOr.h"
-#include "JSDOMConvert.h"
-#include "JSDOMGuardedObject.h"
-#include "ScriptExecutionContext.h"
-#include <JavaScriptCore/CatchScope.h>
-#include <JavaScriptCore/JSPromise.h>
-
-namespace WebCore {
-
-class JSDOMWindow;
-enum class RejectAsHandled : uint8_t { No,
-    Yes };
-
-class DeferredPromise : public DOMGuarded<JSC::JSPromise> {
-public:
-    enum class Mode {
-        ClearPromiseOnResolve,
-        RetainPromiseOnResolve
-    };
-
-    static RefPtr<DeferredPromise> create(JSDOMGlobalObject& globalObject, Mode mode = Mode::ClearPromiseOnResolve)
-    {
-        JSC::VM& vm = JSC::getVM(&globalObject);
-        auto* promise = JSC::JSPromise::create(vm, globalObject.promiseStructure());
-        ASSERT(promise);
-        return adoptRef(new DeferredPromise(globalObject, *promise, mode));
-    }
-
-    static Ref<DeferredPromise> create(JSDOMGlobalObject& globalObject, JSC::JSPromise& deferred, Mode mode = Mode::ClearPromiseOnResolve)
-    {
-        return adoptRef(*new DeferredPromise(globalObject, deferred, mode));
-    }
-
-    template<class IDLType>
-    void resolve(typename IDLType::ParameterType value)
-    {
-        if (shouldIgnoreRequestToFulfill())
-            return;
-
-        ASSERT(deferred());
-        ASSERT(globalObject());
-        JSC::JSGlobalObject* lexicalGlobalObject = globalObject();
-        JSC::JSLockHolder locker(lexicalGlobalObject);
-        resolve(*lexicalGlobalObject, toJS<IDLType>(*lexicalGlobalObject, *globalObject(), std::forward<typename IDLType::ParameterType>(value)));
-    }
-
-    void resolveWithJSValue(JSC::JSValue resolution)
-    {
-        if (shouldIgnoreRequestToFulfill())
-            return;
-
-        ASSERT(deferred());
-        ASSERT(globalObject());
-        JSC::JSGlobalObject* lexicalGlobalObject = globalObject();
-        JSC::JSLockHolder locker(lexicalGlobalObject);
-        resolve(*lexicalGlobalObject, resolution);
-    }
-
-    void resolve()
-    {
-        if (shouldIgnoreRequestToFulfill())
-            return;
-
-        ASSERT(deferred());
-        ASSERT(globalObject());
-        JSC::JSGlobalObject* lexicalGlobalObject = globalObject();
-        JSC::JSLockHolder locker(lexicalGlobalObject);
-        resolve(*lexicalGlobalObject, JSC::jsUndefined());
-    }
-
-    template<class IDLType>
-    void resolveWithNewlyCreated(typename IDLType::ParameterType value)
-    {
-        if (shouldIgnoreRequestToFulfill())
-            return;
-
-        ASSERT(deferred());
-        ASSERT(globalObject());
-        JSC::JSGlobalObject* lexicalGlobalObject = globalObject();
-        JSC::JSLockHolder locker(lexicalGlobalObject);
-        resolve(*lexicalGlobalObject, toJSNewlyCreated<IDLType>(*lexicalGlobalObject, *globalObject(), std::forward<typename IDLType::ParameterType>(value)));
-    }
-
-    template<class IDLType>
-    void resolveCallbackValueWithNewlyCreated(const Function<typename IDLType::InnerParameterType(ScriptExecutionContext&)>& createValue)
-    {
-        if (shouldIgnoreRequestToFulfill())
-            return;
-
-        ASSERT(deferred());
-        ASSERT(globalObject());
-        auto* lexicalGlobalObject = globalObject();
-        JSC::JSLockHolder locker(lexicalGlobalObject);
-        resolve(*lexicalGlobalObject, toJSNewlyCreated<IDLType>(*lexicalGlobalObject, *globalObject(), createValue(*globalObject()->scriptExecutionContext())));
-    }
-
-    template<class IDLType>
-    void reject(typename IDLType::ParameterType value, RejectAsHandled rejectAsHandled = RejectAsHandled::No)
-    {
-        if (shouldIgnoreRequestToFulfill())
-            return;
-
-        ASSERT(deferred());
-        ASSERT(globalObject());
-        JSC::JSGlobalObject* lexicalGlobalObject = globalObject();
-        JSC::JSLockHolder locker(lexicalGlobalObject);
-        reject(*lexicalGlobalObject, toJS<IDLType>(*lexicalGlobalObject, *globalObject(), std::forward<typename IDLType::ParameterType>(value)), rejectAsHandled);
-    }
-
-    void reject(RejectAsHandled = RejectAsHandled::No);
-    void reject(std::nullptr_t, RejectAsHandled = RejectAsHandled::No);
-    WEBCORE_EXPORT void reject(Exception, RejectAsHandled = RejectAsHandled::No);
-    WEBCORE_EXPORT void reject(JSC::JSValue, RejectAsHandled = RejectAsHandled::No);
-    WEBCORE_EXPORT void reject(ExceptionCode, const String& = {}, RejectAsHandled = RejectAsHandled::No);
-    void reject(const JSC::PrivateName&, RejectAsHandled = RejectAsHandled::No);
-
-    template<typename Callback>
-    void resolveWithCallback(Callback callback)
-    {
-        if (shouldIgnoreRequestToFulfill())
-            return;
-
-        ASSERT(deferred());
-        ASSERT(globalObject());
-        auto* lexicalGlobalObject = globalObject();
-        JSC::VM& vm = lexicalGlobalObject->vm();
-        JSC::JSLockHolder locker(vm);
-        auto scope = DECLARE_CATCH_SCOPE(vm);
-        resolve(*lexicalGlobalObject, callback(*globalObject()));
-        if (UNLIKELY(scope.exception()))
-            handleUncaughtException(scope, *lexicalGlobalObject);
-    }
-
-    template<typename Callback>
-    void rejectWithCallback(Callback callback, RejectAsHandled rejectAsHandled = RejectAsHandled::No)
-    {
-        if (shouldIgnoreRequestToFulfill())
-            return;
-
-        ASSERT(deferred());
-        ASSERT(globalObject());
-        auto* lexicalGlobalObject = globalObject();
-        JSC::VM& vm = lexicalGlobalObject->vm();
-        JSC::JSLockHolder locker(vm);
-        auto scope = DECLARE_CATCH_SCOPE(vm);
-        reject(*lexicalGlobalObject, callback(*globalObject()), rejectAsHandled);
-        if (UNLIKELY(scope.exception()))
-            handleUncaughtException(scope, *lexicalGlobalObject);
-    }
-
-    JSC::JSValue promise() const;
-
-    void whenSettled(Function<void()>&&);
-
-private:
-    DeferredPromise(JSDOMGlobalObject& globalObject, JSC::JSPromise& deferred, Mode mode)
-        : DOMGuarded<JSC::JSPromise>(globalObject, deferred)
-        , m_mode(mode)
-    {
-    }
-
-    bool shouldIgnoreRequestToFulfill() const { return isEmpty(); }
-
-    JSC::JSPromise* deferred() const { return guarded(); }
-
-    enum class ResolveMode { Resolve,
-        Reject,
-        RejectAsHandled };
-    WEBCORE_EXPORT void callFunction(JSC::JSGlobalObject&, ResolveMode, JSC::JSValue resolution);
-
-    void resolve(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue resolution) { callFunction(lexicalGlobalObject, ResolveMode::Resolve, resolution); }
-    void reject(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue resolution, RejectAsHandled rejectAsHandled)
-    {
-        callFunction(lexicalGlobalObject, rejectAsHandled == RejectAsHandled::Yes ? ResolveMode::RejectAsHandled : ResolveMode::Reject, resolution);
-    }
-
-    bool handleTerminationExceptionIfNeeded(JSC::CatchScope&, JSDOMGlobalObject& lexicalGlobalObject);
-    void handleUncaughtException(JSC::CatchScope&, JSDOMGlobalObject& lexicalGlobalObject);
-
-    Mode m_mode;
-};
-
-class DOMPromiseDeferredBase {
-    WTF_MAKE_FAST_ALLOCATED;
-
-public:
-    DOMPromiseDeferredBase(Ref<DeferredPromise>&& genericPromise)
-        : m_promise(WTFMove(genericPromise))
-    {
-    }
-
-    DOMPromiseDeferredBase(DOMPromiseDeferredBase&& promise)
-        : m_promise(WTFMove(promise.m_promise))
-    {
-    }
-
-    DOMPromiseDeferredBase(const DOMPromiseDeferredBase& other)
-        : m_promise(other.m_promise.copyRef())
-    {
-    }
-
-    DOMPromiseDeferredBase& operator=(const DOMPromiseDeferredBase& other)
-    {
-        m_promise = other.m_promise.copyRef();
-        return *this;
-    }
-
-    DOMPromiseDeferredBase& operator=(DOMPromiseDeferredBase&& other)
-    {
-        m_promise = WTFMove(other.m_promise);
-        return *this;
-    }
-
-    void reject(RejectAsHandled rejectAsHandled = RejectAsHandled::No)
-    {
-        m_promise->reject(rejectAsHandled);
-    }
-
-    template<typename... ErrorType>
-    void reject(ErrorType&&... error)
-    {
-        m_promise->reject(std::forward<ErrorType>(error)...);
-    }
-
-    template<typename IDLType>
-    void rejectType(typename IDLType::ParameterType value, RejectAsHandled rejectAsHandled = RejectAsHandled::No)
-    {
-        m_promise->reject<IDLType>(std::forward<typename IDLType::ParameterType>(value), rejectAsHandled);
-    }
-
-    JSC::JSValue promise() const { return m_promise->promise(); };
-
-    void whenSettled(Function<void()>&& function)
-    {
-        m_promise->whenSettled(WTFMove(function));
-    }
-
-protected:
-    Ref<DeferredPromise> m_promise;
-};
-
-template<typename IDLType>
-class DOMPromiseDeferred : public DOMPromiseDeferredBase {
-public:
-    using DOMPromiseDeferredBase::DOMPromiseDeferredBase;
-    using DOMPromiseDeferredBase::operator=;
-    using DOMPromiseDeferredBase::promise;
-    using DOMPromiseDeferredBase::reject;
-
-    void resolve(typename IDLType::ParameterType value)
-    {
-        m_promise->resolve<IDLType>(std::forward<typename IDLType::ParameterType>(value));
-    }
-
-    template<typename U>
-    void settle(ExceptionOr<U>&& result)
-    {
-        if (result.hasException()) {
-            reject(result.releaseException());
-            return;
-        }
-        resolve(result.releaseReturnValue());
-    }
-};
-
-template<> class DOMPromiseDeferred<void> : public DOMPromiseDeferredBase {
-public:
-    using DOMPromiseDeferredBase::DOMPromiseDeferredBase;
-    using DOMPromiseDeferredBase::operator=;
-    using DOMPromiseDeferredBase::promise;
-    using DOMPromiseDeferredBase::reject;
-
-    void resolve()
-    {
-        m_promise->resolve();
-    }
-
-    void settle(ExceptionOr<void>&& result)
-    {
-        if (result.hasException()) {
-            reject(result.releaseException());
-            return;
-        }
-        resolve();
-    }
-};
-
-void fulfillPromiseWithJSON(Ref<DeferredPromise>&&, const String&);
-void fulfillPromiseWithArrayBuffer(Ref<DeferredPromise>&&, ArrayBuffer*);
-void fulfillPromiseWithArrayBuffer(Ref<DeferredPromise>&&, const void*, size_t);
-WEBCORE_EXPORT void rejectPromiseWithExceptionIfAny(JSC::JSGlobalObject&, JSDOMGlobalObject&, JSC::JSPromise&, JSC::CatchScope&);
-
-enum class RejectedPromiseWithTypeErrorCause { NativeGetter,
-    InvalidThis };
-JSC::EncodedJSValue createRejectedPromiseWithTypeError(JSC::JSGlobalObject&, const String&, RejectedPromiseWithTypeErrorCause);
-
-using PromiseFunction = void(JSC::JSGlobalObject&, JSC::CallFrame&, Ref<DeferredPromise>&&);
-
-template<PromiseFunction promiseFunction>
-inline JSC::JSValue callPromiseFunction(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame)
-{
-    JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto catchScope = DECLARE_CATCH_SCOPE(vm);
-
-    auto& globalObject = *JSC::jsSecureCast<JSDOMGlobalObject*>(&lexicalGlobalObject);
-    auto* promise = JSC::JSPromise::create(vm, globalObject.promiseStructure());
-    ASSERT(promise);
-
-    promiseFunction(lexicalGlobalObject, callFrame, DeferredPromise::create(globalObject, *promise));
-
-    rejectPromiseWithExceptionIfAny(lexicalGlobalObject, globalObject, *promise, catchScope);
-    // FIXME: We could have error since any JS call can throw stack-overflow errors.
-    // https://bugs.webkit.org/show_bug.cgi?id=203402
-    RETURN_IF_EXCEPTION(catchScope, JSC::jsUndefined());
-    return promise;
-}
-
-template<typename PromiseFunctor>
-inline JSC::JSValue callPromiseFunction(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, PromiseFunctor functor)
-{
-    JSC::VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto catchScope = DECLARE_CATCH_SCOPE(vm);
-
-    auto& globalObject = *JSC::jsSecureCast<JSDOMGlobalObject*>(&lexicalGlobalObject);
-    auto* promise = JSC::JSPromise::create(vm, globalObject.promiseStructure());
-    ASSERT(promise);
-
-    functor(lexicalGlobalObject, callFrame, DeferredPromise::create(globalObject, *promise));
-
-    rejectPromiseWithExceptionIfAny(lexicalGlobalObject, globalObject, *promise, catchScope);
-    // FIXME: We could have error since any JS call can throw stack-overflow errors.
-    // https://bugs.webkit.org/show_bug.cgi?id=203402
-    RETURN_IF_EXCEPTION(catchScope, JSC::jsUndefined());
-    return promise;
-}
-
-using BindingPromiseFunction = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*, Ref<DeferredPromise>&&);
-template<BindingPromiseFunction bindingFunction>
-inline void bindingPromiseFunctionAdapter(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, Ref<DeferredPromise>&& promise)
-{
-    bindingFunction(&lexicalGlobalObject, &callFrame, WTFMove(promise));
-}
-
-template<BindingPromiseFunction bindingPromiseFunction>
-inline JSC::JSValue callPromiseFunction(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame)
-{
-    return callPromiseFunction<bindingPromiseFunctionAdapter<bindingPromiseFunction>>(lexicalGlobalObject, callFrame);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMURL.cpp b/src/javascript/jsc/bindings/webcore/JSDOMURL.cpp
deleted file mode 100644
index 95bf264dd..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMURL.cpp
+++ /dev/null
@@ -1,846 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "root.h"
-#include "JSDOMURL.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-// #include "JSBlob.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMURL.h"
-#include "JSDOMWrapperCache.h"
-#include "JSURLSearchParams.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include "JavaScriptCore/FunctionPrototype.h"
-#include "JavaScriptCore/HeapAnalyzer.h"
-
-#include "JavaScriptCore/JSDestructibleObjectHeapCellType.h"
-#include "JavaScriptCore/SlotVisitorMacros.h"
-#include "JavaScriptCore/SubspaceInlines.h"
-#include "wtf/GetPtr.h"
-#include "wtf/PointerPreparations.h"
-#include "wtf/URL.h"
-
-#if ENABLE(MEDIA_SOURCE)
-#include "DOMURLMediaSource.h"
-#include "JSMediaSource.h"
-#endif
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsDOMURLPrototypeFunction_toJSON);
-static JSC_DECLARE_HOST_FUNCTION(jsDOMURLConstructorFunction_createObjectURL);
-static JSC_DECLARE_HOST_FUNCTION(jsDOMURLConstructorFunction_revokeObjectURL);
-static JSC_DECLARE_HOST_FUNCTION(jsDOMURLPrototypeFunction_toString);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURLConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_href);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_href);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_origin);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_protocol);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_protocol);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_username);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_username);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_password);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_password);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_host);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_host);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_hostname);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_hostname);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_port);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_port);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_pathname);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_pathname);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_hash);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_hash);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_search);
-static JSC_DECLARE_CUSTOM_SETTER(setJSDOMURL_search);
-static JSC_DECLARE_CUSTOM_GETTER(jsDOMURL_searchParams);
-
-class JSDOMURLPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSDOMURLPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSDOMURLPrototype* ptr = new (NotNull, JSC::allocateCell<JSDOMURLPrototype>(vm)) JSDOMURLPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSDOMURLPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSDOMURLPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSDOMURLPrototype, JSDOMURLPrototype::Base);
-
-using JSDOMURLDOMConstructor = JSDOMConstructor<JSDOMURL>;
-
-/* Hash table for constructor */
-
-static const HashTableValue JSDOMURLConstructorTableValues[] = {
-    { "createObjectURL"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsDOMURLConstructorFunction_createObjectURL), (intptr_t)(1) } },
-    { "revokeObjectURL"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsDOMURLConstructorFunction_revokeObjectURL), (intptr_t)(1) } },
-};
-
-static inline EncodedJSValue constructJSDOMURL1(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSDOMURLDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto url = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto base = argument1.value().isUndefined() ? String() : convert<IDLUSVString>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = DOMURL::create(WTFMove(url), WTFMove(base));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<DOMURL>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<DOMURL>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-
-static inline EncodedJSValue constructJSDOMURL2(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSDOMURLDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto url = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto base = convert<IDLInterface<DOMURL>>(*lexicalGlobalObject, argument1.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 1, "base", "URL", nullptr, "DOMURL"); });
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = DOMURL::create(WTFMove(url), *base);
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<DOMURL>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<DOMURL>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSDOMURLDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    size_t argsCount = std::min<size_t>(2, callFrame->argumentCount());
-    if (argsCount == 1) {
-        RELEASE_AND_RETURN(throwScope, (constructJSDOMURL1(lexicalGlobalObject, callFrame)));
-    }
-    if (argsCount == 2) {
-        JSValue distinguishingArg = callFrame->uncheckedArgument(1);
-        if (distinguishingArg.isUndefined())
-            RELEASE_AND_RETURN(throwScope, (constructJSDOMURL1(lexicalGlobalObject, callFrame)));
-        if (distinguishingArg.isObject() && asObject(distinguishingArg)->inherits<JSDOMURL>())
-            RELEASE_AND_RETURN(throwScope, (constructJSDOMURL2(lexicalGlobalObject, callFrame)));
-        RELEASE_AND_RETURN(throwScope, (constructJSDOMURL1(lexicalGlobalObject, callFrame)));
-    }
-    return argsCount < 1 ? throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)) : throwVMTypeError(lexicalGlobalObject, throwScope);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSDOMURLConstructorConstruct, JSDOMURLDOMConstructor::construct);
-
-template<> const ClassInfo JSDOMURLDOMConstructor::s_info = { "URL"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMURLDOMConstructor) };
-
-template<> JSValue JSDOMURLDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSDOMURLDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "URL"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSDOMURL::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-    reifyStaticProperties(vm, JSDOMURL::info(), JSDOMURLConstructorTableValues, *this);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSDOMURLPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURLConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "href"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_href), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_href) } },
-    { "origin"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_origin), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "protocol"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_protocol), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_protocol) } },
-    { "username"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_username), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_username) } },
-    { "password"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_password), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_password) } },
-    { "host"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_host), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_host) } },
-    { "hostname"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_hostname), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_hostname) } },
-    { "port"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_port), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_port) } },
-    { "pathname"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_pathname), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_pathname) } },
-    { "hash"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_hash), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_hash) } },
-    { "search"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_search), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSDOMURL_search) } },
-    { "searchParams"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsDOMURL_searchParams), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "toJSON"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsDOMURLPrototypeFunction_toJSON), (intptr_t)(0) } },
-    { "toString"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsDOMURLPrototypeFunction_toString), (intptr_t)(0) } },
-};
-
-const ClassInfo JSDOMURLPrototype::s_info = { "URL"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMURLPrototype) };
-
-void JSDOMURLPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSDOMURL::info(), JSDOMURLPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSDOMURL::s_info = { "URL"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMURL) };
-
-JSDOMURL::JSDOMURL(Structure* structure, JSDOMGlobalObject& globalObject, Ref<DOMURL>&& impl)
-    : JSDOMWrapper<DOMURL>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSDOMURL::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, DOMURL>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSDOMURL::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSDOMURLPrototype::create(vm, &globalObject, JSDOMURLPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSDOMURL::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSDOMURL>(vm, globalObject);
-}
-
-JSValue JSDOMURL::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSDOMURLDOMConstructor, DOMConstructorID::DOMURL>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSDOMURL::destroy(JSC::JSCell* cell)
-{
-    JSDOMURL* thisObject = static_cast<JSDOMURL*>(cell);
-    thisObject->JSDOMURL::~JSDOMURL();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURLConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSDOMURLPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSDOMURL::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsDOMURL_hrefGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.href())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_href, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_hrefGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_hrefSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setHref(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_href, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_hrefSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_originGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.origin())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_origin, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_originGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_protocolGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.protocol())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_protocol, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_protocolGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_protocolSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setProtocol(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_protocol, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_protocolSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_usernameGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.username())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_username, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_usernameGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_usernameSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setUsername(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_username, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_usernameSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_passwordGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.password())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_password, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_passwordGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_passwordSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setPassword(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_password, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_passwordSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_hostGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.host())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_host, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_hostGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_hostSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setHost(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_host, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_hostSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_hostnameGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.hostname())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_hostname, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_hostnameGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_hostnameSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setHostname(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_hostname, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_hostnameSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_portGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.port())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_port, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_portGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_portSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setPort(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_port, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_portSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_pathnameGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.pathname())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_pathname, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_pathnameGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_pathnameSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setPathname(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_pathname, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_pathnameSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_hashGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.hash())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_hash, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_hashGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_hashSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setHash(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_hash, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_hashSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_searchGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.search())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_search, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_searchGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSDOMURL_searchSetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLUSVString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setSearch(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSDOMURL_search, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::set<setJSDOMURL_searchSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsDOMURL_searchParamsGetter(JSGlobalObject& lexicalGlobalObject, JSDOMURL& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    if (JSValue cachedValue = thisObject.m_searchParams.get())
-        return cachedValue;
-    auto& impl = thisObject.wrapped();
-    JSValue result = toJS<IDLInterface<URLSearchParams>>(lexicalGlobalObject, *thisObject.globalObject(), throwScope, impl.searchParams());
-    RETURN_IF_EXCEPTION(throwScope, {});
-    thisObject.m_searchParams.set(JSC::getVM(&lexicalGlobalObject), &thisObject, result);
-    return result;
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsDOMURL_searchParams, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSDOMURL>::get<jsDOMURL_searchParamsGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsDOMURLPrototypeFunction_toJSONBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSDOMURL>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUSVString>(*lexicalGlobalObject, throwScope, impl.toJSON())));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsDOMURLPrototypeFunction_toJSON, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSDOMURL>::call<jsDOMURLPrototypeFunction_toJSONBody>(*lexicalGlobalObject, *callFrame, "toJSON");
-}
-
-static inline JSC::EncodedJSValue jsDOMURLConstructorFunction_createObjectURL1Body(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame)
-{
-    // auto& vm = JSC::getVM(lexicalGlobalObject);
-    // auto throwScope = DECLARE_THROW_SCOPE(vm);
-    // UNUSED_PARAM(throwScope);
-    // UNUSED_PARAM(callFrame);
-    // auto* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext();
-    // if (UNLIKELY(!context))
-    return JSValue::encode(jsUndefined());
-    // EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    // auto blob = convert<IDLInterface<Blob>>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 0, "blob", "URL", "createObjectURL", "Blob"); });
-    // RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    // RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLDOMString>(*lexicalGlobalObject, throwScope, DOMURL::createObjectURL(*context, *blob))));
-}
-
-static inline JSC::EncodedJSValue jsDOMURLConstructorFunction_revokeObjectURLBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame)
-{
-    // auto& vm = JSC::getVM(lexicalGlobalObject);
-    // auto throwScope = DECLARE_THROW_SCOPE(vm);
-    // UNUSED_PARAM(throwScope);
-    // UNUSED_PARAM(callFrame);
-    // if (UNLIKELY(callFrame->argumentCount() < 1))
-    //     return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    // auto* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext();
-    // if (UNLIKELY(!context))
-    return JSValue::encode(jsUndefined());
-    // EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    // auto url = convert<IDLDOMString>(*lexicalGlobalObject, argument0.value());
-    // RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    // RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return DOMURL::revokeObjectURL(*context, WTFMove(url)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsDOMURLConstructorFunction_revokeObjectURL, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSDOMURL>::callStatic<jsDOMURLConstructorFunction_revokeObjectURLBody>(*lexicalGlobalObject, *callFrame, "revokeObjectURL");
-}
-
-#if ENABLE(MEDIA_SOURCE)
-static inline JSC::EncodedJSValue jsDOMURLConstructorFunction_createObjectURL2Body(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame)
-{
-    // auto& vm = JSC::getVM(lexicalGlobalObject);
-    // auto throwScope = DECLARE_THROW_SCOPE(vm);
-    // UNUSED_PARAM(throwScope);
-    // UNUSED_PARAM(callFrame);
-    // auto* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext();
-    // if (UNLIKELY(!context))
-    return JSValue::encode(jsUndefined());
-    // EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    // auto source = convert<IDLInterface<MediaSource>>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 0, "source", "URL", "createObjectURL", "MediaSource"); });
-    // RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    // RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLDOMString>(*lexicalGlobalObject, throwScope, WebCore::DOMURLMediaSource::createObjectURL(*context, *source))));
-}
-
-#endif
-
-static inline JSC::EncodedJSValue jsDOMURLConstructorFunction_createObjectURLOverloadDispatcher(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame)
-{
-    return JSValue::encode(jsUndefined());
-
-    //     auto& vm = JSC::getVM(lexicalGlobalObject);
-    //     auto throwScope = DECLARE_THROW_SCOPE(vm);
-    // UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    //     size_t argsCount = std::min<size_t>(1, callFrame->argumentCount());
-    //     if (argsCount == 1) {
-    //         JSValue distinguishingArg = callFrame->uncheckedArgument(0);
-    //         if (distinguishingArg.isObject() && asObject(distinguishingArg)->inherits<JSBlob>())
-    //             RELEASE_AND_RETURN(throwScope, (jsDOMURLConstructorFunction_createObjectURL1Body(lexicalGlobalObject, callFrame)));
-    // #if ENABLE(MEDIA_SOURCE)
-    //         if (distinguishingArg.isObject() && asObject(distinguishingArg)->inherits<JSMediaSource>())
-    //             RELEASE_AND_RETURN(throwScope, (jsDOMURLConstructorFunction_createObjectURL2Body(lexicalGlobalObject, callFrame)));
-    // #endif
-    //     }
-    //     return argsCount < 1 ? throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)) : throwVMTypeError(lexicalGlobalObject, throwScope);
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsDOMURLConstructorFunction_createObjectURL, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSDOMURL>::callStatic<jsDOMURLConstructorFunction_createObjectURLOverloadDispatcher>(*lexicalGlobalObject, *callFrame, "createObjectURL");
-}
-
-static inline JSC::EncodedJSValue jsDOMURLPrototypeFunction_toStringBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSDOMURL>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUSVString>(*lexicalGlobalObject, throwScope, impl.href())));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsDOMURLPrototypeFunction_toString, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSDOMURL>::call<jsDOMURLPrototypeFunction_toStringBody>(*lexicalGlobalObject, *callFrame, "toString");
-}
-
-JSC::GCClient::IsoSubspace* JSDOMURL::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSDOMURL, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForDOMURL.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForDOMURL = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForDOMURL.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForDOMURL = WTFMove(space); });
-}
-
-template<typename Visitor>
-void JSDOMURL::visitChildrenImpl(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSDOMURL*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    visitor.append(thisObject->m_searchParams);
-}
-
-DEFINE_VISIT_CHILDREN(JSDOMURL);
-
-void JSDOMURL::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSDOMURL*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    // if (thisObject->scriptExecutionContext())
-    //     analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-JSDOMURLOwner::~JSDOMURLOwner()
-{
-}
-
-bool JSDOMURLOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSDOMURLOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsDOMURL = static_cast<JSDOMURL*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsDOMURL->wrapped(), jsDOMURL);
-}
-
-#if ENABLE(BINDING_INTEGRITY)
-#if PLATFORM(WIN)
-#pragma warning(disable : 4483)
-extern "C" {
-extern void (*const __identifier("??_7DOMURL@WebCore@@6B@")[])();
-}
-#else
-extern "C" {
-extern void* _ZTVN7WebCore6DOMURLE[];
-}
-#endif
-#endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<DOMURL>&& impl)
-{
-
-    if constexpr (std::is_polymorphic_v<DOMURL>) {
-#if ENABLE(BINDING_INTEGRITY)
-        const void* actualVTablePointer = getVTablePointer(impl.ptr());
-#if PLATFORM(WIN)
-        void* expectedVTablePointer = __identifier("??_7DOMURL@WebCore@@6B@");
-#else
-        void* expectedVTablePointer = &_ZTVN7WebCore6DOMURLE[2];
-#endif
-
-        // If you hit this assertion you either have a use after free bug, or
-        // DOMURL has subclasses. If DOMURL has subclasses that get passed
-        // to toJS() we currently require DOMURL you to opt out of binding hardening
-        // by adding the SkipVTableValidation attribute to the interface IDL definition
-        RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-#endif
-    }
-    return createWrapper<DOMURL>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, DOMURL& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-DOMURL* JSDOMURL::toWrapped(JSC::VM& vm, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSDOMURL*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMURL.h b/src/javascript/jsc/bindings/webcore/JSDOMURL.h
deleted file mode 100644
index e89add235..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMURL.h
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "DOMURL.h"
-#include "JSDOMWrapper.h"
-#include "wtf/NeverDestroyed.h"
-
-namespace WebCore {
-
-class WEBCORE_EXPORT JSDOMURL : public JSDOMWrapper<DOMURL> {
-public:
-    using Base = JSDOMWrapper<DOMURL>;
-    static JSDOMURL* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<DOMURL>&& impl)
-    {
-        JSDOMURL* ptr = new (NotNull, JSC::allocateCell<JSDOMURL>(globalObject->vm())) JSDOMURL(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static DOMURL* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    mutable JSC::WriteBarrier<JSC::Unknown> m_searchParams;
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    DECLARE_VISIT_CHILDREN;
-
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-protected:
-    JSDOMURL(JSC::Structure*, JSDOMGlobalObject&, Ref<DOMURL>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSDOMURLOwner final : public JSC::WeakHandleOwner {
-public:
-    ~JSDOMURLOwner() final;
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, DOMURL*)
-{
-    static NeverDestroyed<JSDOMURLOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(DOMURL* wrappableObject)
-{
-    return wrappableObject;
-}
-
-WEBCORE_EXPORT JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, DOMURL&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, DOMURL* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<DOMURL>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<DOMURL>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<DOMURL> {
-    using WrapperClass = JSDOMURL;
-    using ToWrappedReturnType = DOMURL*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSDOMWindow.h b/src/javascript/jsc/bindings/webcore/JSDOMWindow.h
deleted file mode 100644
index 472956eba..000000000
--- a/src/javascript/jsc/bindings/webcore/JSDOMWindow.h
+++ /dev/null
@@ -1 +0,0 @@
-// this is a stub header file
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSErrorCallback.cpp b/src/javascript/jsc/bindings/webcore/JSErrorCallback.cpp
deleted file mode 100644
index de924d857..000000000
--- a/src/javascript/jsc/bindings/webcore/JSErrorCallback.cpp
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSErrorCallback.h"
-
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMException.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObject.h"
-#include "ScriptExecutionContext.h"
-
-namespace WebCore {
-using namespace JSC;
-
-JSErrorCallback::JSErrorCallback(VM& vm, JSObject* callback)
-    : ErrorCallback(jsCast<JSDOMGlobalObject*>(callback->globalObject())->scriptExecutionContext())
-    , m_data(new JSCallbackDataStrong(vm, callback, this))
-{
-}
-
-JSErrorCallback::~JSErrorCallback()
-{
-    ScriptExecutionContext* context = scriptExecutionContext();
-    // When the context is destroyed, all tasks with a reference to a callback
-    // should be deleted. So if the context is 0, we are on the context thread.
-    if (!context || context->isContextThread())
-        delete m_data;
-    else
-        context->postTask(new DeleteCallbackDataTask(m_data));
-#ifndef NDEBUG
-    m_data = nullptr;
-#endif
-}
-
-CallbackResult<typename IDLUndefined::ImplementationType> JSErrorCallback::handleEvent(typename IDLInterface<DOMException>::ParameterType error)
-{
-    if (!canInvokeCallback())
-        return CallbackResultType::UnableToExecute;
-
-    Ref<JSErrorCallback> protectedThis(*this);
-
-    auto& globalObject = *jsCast<JSDOMGlobalObject*>(m_data->callback()->globalObject());
-    auto& vm = globalObject.vm();
-
-    JSLockHolder lock(vm);
-    auto& lexicalGlobalObject = globalObject;
-    JSValue thisValue = jsUndefined();
-    MarkedArgumentBuffer args;
-    args.append(toJS<IDLInterface<DOMException>>(lexicalGlobalObject, globalObject, error));
-    ASSERT(!args.hasOverflowed());
-
-    NakedPtr<JSC::Exception> returnedException;
-    m_data->invokeCallback(vm, thisValue, args, JSCallbackData::CallbackType::Function, Identifier(), returnedException);
-    if (returnedException) {
-        reportException(&lexicalGlobalObject, returnedException);
-        return CallbackResultType::ExceptionThrown;
-    }
-
-    return {};
-}
-
-JSC::JSValue toJS(ErrorCallback& impl)
-{
-    if (!static_cast<JSErrorCallback&>(impl).callbackData())
-        return jsNull();
-
-    return static_cast<JSErrorCallback&>(impl).callbackData()->callback();
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSErrorCallback.h b/src/javascript/jsc/bindings/webcore/JSErrorCallback.h
deleted file mode 100644
index ecfd5f04f..000000000
--- a/src/javascript/jsc/bindings/webcore/JSErrorCallback.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "ErrorCallback.h"
-#include "IDLTypes.h"
-#include "JSCallbackData.h"
-#include <wtf/Forward.h>
-
-namespace WebCore {
-
-class JSErrorCallback final : public ErrorCallback {
-public:
-    static Ref<JSErrorCallback> create(JSC::VM& vm, JSC::JSObject* callback)
-    {
-        return adoptRef(*new JSErrorCallback(vm, callback));
-    }
-
-    ScriptExecutionContext* scriptExecutionContext() const { return ContextDestructionObserver::scriptExecutionContext(); }
-
-    ~JSErrorCallback() final;
-    JSCallbackDataStrong* callbackData() { return m_data; }
-
-    // Functions
-    CallbackResult<typename IDLUndefined::ImplementationType> handleEvent(typename IDLInterface<DOMException>::ParameterType error) override;
-
-private:
-    JSErrorCallback(JSC::VM&, JSC::JSObject* callback);
-
-    JSCallbackDataStrong* m_data;
-};
-
-JSC::JSValue toJS(ErrorCallback&);
-inline JSC::JSValue toJS(ErrorCallback* impl) { return impl ? toJS(*impl) : JSC::jsNull(); }
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSErrorEvent.cpp b/src/javascript/jsc/bindings/webcore/JSErrorEvent.cpp
deleted file mode 100644
index 73010ffcb..000000000
--- a/src/javascript/jsc/bindings/webcore/JSErrorEvent.cpp
+++ /dev/null
@@ -1,454 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSErrorEvent.h"
-
-#include "ZigGlobalObject.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<> ErrorEvent::Init convertDictionary<ErrorEvent::Init>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    ErrorEvent::Init result;
-    JSValue bubblesValue;
-    if (isNullOrUndefined)
-        bubblesValue = jsUndefined();
-    else {
-        bubblesValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "bubbles"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!bubblesValue.isUndefined()) {
-        result.bubbles = convert<IDLBoolean>(lexicalGlobalObject, bubblesValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.bubbles = false;
-    JSValue cancelableValue;
-    if (isNullOrUndefined)
-        cancelableValue = jsUndefined();
-    else {
-        cancelableValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "cancelable"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!cancelableValue.isUndefined()) {
-        result.cancelable = convert<IDLBoolean>(lexicalGlobalObject, cancelableValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.cancelable = false;
-    JSValue composedValue;
-    if (isNullOrUndefined)
-        composedValue = jsUndefined();
-    else {
-        composedValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "composed"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!composedValue.isUndefined()) {
-        result.composed = convert<IDLBoolean>(lexicalGlobalObject, composedValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.composed = false;
-    JSValue colnoValue;
-    if (isNullOrUndefined)
-        colnoValue = jsUndefined();
-    else {
-        colnoValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "colno"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!colnoValue.isUndefined()) {
-        result.colno = convert<IDLUnsignedLong>(lexicalGlobalObject, colnoValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.colno = 0;
-    JSValue errorValue;
-    if (isNullOrUndefined)
-        errorValue = jsUndefined();
-    else {
-        errorValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "error"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!errorValue.isUndefined()) {
-        result.error = convert<IDLAny>(lexicalGlobalObject, errorValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.error = jsNull();
-    JSValue filenameValue;
-    if (isNullOrUndefined)
-        filenameValue = jsUndefined();
-    else {
-        filenameValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "filename"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!filenameValue.isUndefined()) {
-        result.filename = convert<IDLUSVString>(lexicalGlobalObject, filenameValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.filename = emptyString();
-    JSValue linenoValue;
-    if (isNullOrUndefined)
-        linenoValue = jsUndefined();
-    else {
-        linenoValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "lineno"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!linenoValue.isUndefined()) {
-        result.lineno = convert<IDLUnsignedLong>(lexicalGlobalObject, linenoValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.lineno = 0;
-    JSValue messageValue;
-    if (isNullOrUndefined)
-        messageValue = jsUndefined();
-    else {
-        messageValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "message"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!messageValue.isUndefined()) {
-        result.message = convert<IDLDOMString>(lexicalGlobalObject, messageValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.message = emptyString();
-    return result;
-}
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsErrorEventConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsErrorEvent_message);
-static JSC_DECLARE_CUSTOM_GETTER(jsErrorEvent_filename);
-static JSC_DECLARE_CUSTOM_GETTER(jsErrorEvent_lineno);
-static JSC_DECLARE_CUSTOM_GETTER(jsErrorEvent_colno);
-static JSC_DECLARE_CUSTOM_GETTER(jsErrorEvent_error);
-
-class JSErrorEventPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSErrorEventPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSErrorEventPrototype* ptr = new (NotNull, JSC::allocateCell<JSErrorEventPrototype>(vm)) JSErrorEventPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSErrorEventPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSErrorEventPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSErrorEventPrototype, JSErrorEventPrototype::Base);
-
-using JSErrorEventDOMConstructor = JSDOMConstructor<JSErrorEvent>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSErrorEventDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSErrorEventDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto eventInitDict = convert<IDLDictionary<ErrorEvent::Init>>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = ErrorEvent::create(type, WTFMove(eventInitDict));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<ErrorEvent>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<ErrorEvent>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSErrorEventDOMConstructorConstruct, JSErrorEventDOMConstructor::construct);
-
-template<> const ClassInfo JSErrorEventDOMConstructor::s_info = { "ErrorEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSErrorEventDOMConstructor) };
-
-template<> JSValue JSErrorEventDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    return JSEvent::getConstructor(vm, &globalObject);
-}
-
-template<> void JSErrorEventDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "ErrorEvent"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSErrorEvent::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSErrorEventPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsErrorEventConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "message"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsErrorEvent_message), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "filename"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsErrorEvent_filename), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "lineno"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsErrorEvent_lineno), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "colno"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsErrorEvent_colno), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "error"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsErrorEvent_error), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-};
-
-const ClassInfo JSErrorEventPrototype::s_info = { "ErrorEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSErrorEventPrototype) };
-
-void JSErrorEventPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSErrorEvent::info(), JSErrorEventPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSErrorEvent::s_info = { "ErrorEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSErrorEvent) };
-
-JSErrorEvent::JSErrorEvent(Structure* structure, JSDOMGlobalObject& globalObject, Ref<ErrorEvent>&& impl)
-    : JSEvent(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSErrorEvent::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, ErrorEvent>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSErrorEvent::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSErrorEventPrototype::create(vm, &globalObject, JSErrorEventPrototype::createStructure(vm, &globalObject, JSEvent::prototype(vm, globalObject)));
-}
-
-JSObject* JSErrorEvent::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSErrorEvent>(vm, globalObject);
-}
-
-JSValue JSErrorEvent::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSErrorEventDOMConstructor, DOMConstructorID::ErrorEvent>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsErrorEventConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSErrorEventPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSErrorEvent::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsErrorEvent_messageGetter(JSGlobalObject& lexicalGlobalObject, JSErrorEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLDOMString>(lexicalGlobalObject, throwScope, impl.message())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsErrorEvent_message, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSErrorEvent>::get<jsErrorEvent_messageGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsErrorEvent_filenameGetter(JSGlobalObject& lexicalGlobalObject, JSErrorEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.filename())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsErrorEvent_filename, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSErrorEvent>::get<jsErrorEvent_filenameGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsErrorEvent_linenoGetter(JSGlobalObject& lexicalGlobalObject, JSErrorEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUnsignedLong>(lexicalGlobalObject, throwScope, impl.lineno())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsErrorEvent_lineno, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSErrorEvent>::get<jsErrorEvent_linenoGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsErrorEvent_colnoGetter(JSGlobalObject& lexicalGlobalObject, JSErrorEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUnsignedLong>(lexicalGlobalObject, throwScope, impl.colno())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsErrorEvent_colno, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSErrorEvent>::get<jsErrorEvent_colnoGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsErrorEvent_errorGetter(JSGlobalObject& lexicalGlobalObject, JSErrorEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLAny>(lexicalGlobalObject, throwScope, impl.error(*jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject)))));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsErrorEvent_error, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSErrorEvent>::get<jsErrorEvent_errorGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-JSC::GCClient::IsoSubspace* JSErrorEvent::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSErrorEvent, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForErrorEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForErrorEvent = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForErrorEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForErrorEvent = WTFMove(space); });
-}
-
-template<typename Visitor>
-void JSErrorEvent::visitChildrenImpl(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSErrorEvent*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-DEFINE_VISIT_CHILDREN(JSErrorEvent);
-
-template<typename Visitor>
-void JSErrorEvent::visitOutputConstraints(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSErrorEvent*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitOutputConstraints(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-template void JSErrorEvent::visitOutputConstraints(JSCell*, AbstractSlotVisitor&);
-template void JSErrorEvent::visitOutputConstraints(JSCell*, SlotVisitor&);
-void JSErrorEvent::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSErrorEvent*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-// #if ENABLE(BINDING_INTEGRITY)
-// #if PLATFORM(WIN)
-// #pragma warning(disable : 4483)
-// extern "C" {
-// extern void (*const __identifier("??_7ErrorEvent@WebCore@@6B@")[])();
-// }
-// #else
-// extern "C" {
-// extern void* _ZTVN7WebCore10ErrorEventE[];
-// }
-// #endif
-// #endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<ErrorEvent>&& impl)
-{
-
-    //     if constexpr (std::is_polymorphic_v<ErrorEvent>) {
-    // #if ENABLE(BINDING_INTEGRITY)
-    //         const void* actualVTablePointer = getVTablePointer(impl.ptr());
-    // #if PLATFORM(WIN)
-    //         void* expectedVTablePointer = __identifier("??_7ErrorEvent@WebCore@@6B@");
-    // #else
-    //         void* expectedVTablePointer = &_ZTVN7WebCore10ErrorEventE[2];
-    // #endif
-
-    //         // If you hit this assertion you either have a use after free bug, or
-    //         // ErrorEvent has subclasses. If ErrorEvent has subclasses that get passed
-    //         // to toJS() we currently require ErrorEvent you to opt out of binding hardening
-    //         // by adding the SkipVTableValidation attribute to the interface IDL definition
-    //         RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-    // #endif
-    return createWrapper<ErrorEvent>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, ErrorEvent& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSErrorEvent.dep b/src/javascript/jsc/bindings/webcore/JSErrorEvent.dep
deleted file mode 100644
index bc136344b..000000000
--- a/src/javascript/jsc/bindings/webcore/JSErrorEvent.dep
+++ /dev/null
@@ -1,3 +0,0 @@
-JSErrorEvent.h : Event.idl EventInit.idl
-Event.idl :
-EventInit.idl :
diff --git a/src/javascript/jsc/bindings/webcore/JSErrorEvent.h b/src/javascript/jsc/bindings/webcore/JSErrorEvent.h
deleted file mode 100644
index 5f8bbd802..000000000
--- a/src/javascript/jsc/bindings/webcore/JSErrorEvent.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "root.h"
-#include "ErrorEvent.h"
-#include "JSDOMConvertDictionary.h"
-#include "JSDOMWrapper.h"
-#include "JSEvent.h"
-
-namespace WebCore {
-
-class JSErrorEvent : public JSEvent {
-public:
-    using Base = JSEvent;
-    using DOMWrapped = ErrorEvent;
-    static JSErrorEvent* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<ErrorEvent>&& impl)
-    {
-        JSErrorEvent* ptr = new (NotNull, JSC::allocateCell<JSErrorEvent>(globalObject->vm())) JSErrorEvent(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSEventType), StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    DECLARE_VISIT_CHILDREN;
-    template<typename Visitor> void visitAdditionalChildren(Visitor&);
-
-    template<typename Visitor> static void visitOutputConstraints(JSCell*, Visitor&);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-    ErrorEvent& wrapped() const
-    {
-        return static_cast<ErrorEvent&>(Base::wrapped());
-    }
-
-protected:
-    JSErrorEvent(JSC::Structure*, JSDOMGlobalObject&, Ref<ErrorEvent>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, ErrorEvent&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, ErrorEvent* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<ErrorEvent>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<ErrorEvent>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<ErrorEvent> {
-    using WrapperClass = JSErrorEvent;
-    using ToWrappedReturnType = ErrorEvent*;
-};
-template<> ErrorEvent::Init convertDictionary<ErrorEvent::Init>(JSC::JSGlobalObject&, JSC::JSValue);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSErrorEventCustom.cpp b/src/javascript/jsc/bindings/webcore/JSErrorEventCustom.cpp
deleted file mode 100644
index 728e404a9..000000000
--- a/src/javascript/jsc/bindings/webcore/JSErrorEventCustom.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2018 Yusuke Suzuki <yusukesuzuki@slowstart.org>.
- * Copyright (C) 2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSErrorEvent.h"
-
-namespace WebCore {
-
-template<typename Visitor>
-void JSErrorEvent::visitAdditionalChildren(Visitor& visitor)
-{
-    wrapped().originalError().visit(visitor);
-}
-
-DEFINE_VISIT_ADDITIONAL_CHILDREN(JSErrorEvent);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSErrorHandler.cpp b/src/javascript/jsc/bindings/webcore/JSErrorHandler.cpp
deleted file mode 100644
index ee5df32b5..000000000
--- a/src/javascript/jsc/bindings/webcore/JSErrorHandler.cpp
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- * Copyright (C) 2013-2018 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSErrorHandler.h"
-
-// #include "Document.h"
-#include "ErrorEvent.h"
-#include "Event.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertStrings.h"
-// #include "JSDOMWindow.h"
-#include "JSEvent.h"
-// #include "JSExecState.h"
-// #include "JSExecStateInstrumentation.h"
-#include <JavaScriptCore/JSLock.h>
-#include <JavaScriptCore/VMEntryScope.h>
-#include <wtf/Ref.h>
-
-namespace WebCore {
-using namespace JSC;
-
-inline JSErrorHandler::JSErrorHandler(JSObject& listener, JSObject& wrapper, bool isAttribute, DOMWrapperWorld& world)
-    : JSEventListener(&listener, &wrapper, isAttribute, CreatedFromMarkup::No, world)
-{
-}
-
-Ref<JSErrorHandler> JSErrorHandler::create(JSC::JSObject& listener, JSC::JSObject& wrapper, bool isAttribute, DOMWrapperWorld& world)
-{
-    return adoptRef(*new JSErrorHandler(listener, wrapper, isAttribute, world));
-}
-
-JSErrorHandler::~JSErrorHandler() = default;
-
-void JSErrorHandler::handleEvent(ScriptExecutionContext& scriptExecutionContext, Event& event)
-{
-    if (!is<ErrorEvent>(event))
-        return JSEventListener::handleEvent(scriptExecutionContext, event);
-
-    VM& vm = scriptExecutionContext.vm();
-    JSLockHolder lock(vm);
-
-    JSObject* jsFunction = this->ensureJSFunction(scriptExecutionContext);
-    if (!jsFunction)
-        return;
-
-    auto* globalObject = toJSDOMGlobalObject(scriptExecutionContext, isolatedWorld());
-    if (!globalObject)
-        return;
-
-    auto callData = getCallData(jsFunction);
-    if (callData.type != CallData::Type::None) {
-        Ref<JSErrorHandler> protectedThis(*this);
-
-        RefPtr<Event> savedEvent;
-        // auto* jsFunctionWindow = jsDynamicCast<JSDOMWindow*>( jsFunction->globalObject());
-        // if (jsFunctionWindow) {
-        //     savedEvent = jsFunctionWindow->currentEvent();
-
-        //     // window.event should not be set when the target is inside a shadow tree, as per the DOM specification.
-        //     if (!event.currentTargetIsInShadowTree())
-        //         jsFunctionWindow->setCurrentEvent(&event);
-        // }
-
-        auto& errorEvent = downcast<ErrorEvent>(event);
-
-        MarkedArgumentBuffer args;
-        args.append(toJS<IDLDOMString>(*globalObject, errorEvent.message()));
-        args.append(toJS<IDLUSVString>(*globalObject, errorEvent.filename()));
-        args.append(toJS<IDLUnsignedLong>(errorEvent.lineno()));
-        args.append(toJS<IDLUnsignedLong>(errorEvent.colno()));
-        args.append(errorEvent.error(*globalObject));
-        ASSERT(!args.hasOverflowed());
-
-        VM& vm = globalObject->vm();
-        VMEntryScope entryScope(vm, vm.entryScope ? vm.entryScope->globalObject() : globalObject);
-
-        // JSExecState::instrumentFunction(&scriptExecutionContext, callData);
-
-        NakedPtr<JSC::Exception> exception;
-        JSValue returnValue = JSC::profiledCall(globalObject, JSC::ProfilingReason::Other, jsFunction, callData, globalObject, args, exception);
-
-        // InspectorInstrumentation::didCallFunction(&scriptExecutionContext);
-
-        // if (jsFunctionWindow)
-        //     jsFunctionWindow->setCurrentEvent(savedEvent.get());
-
-        if (exception)
-            reportException(globalObject, exception);
-        else {
-            if (returnValue.isTrue())
-                event.preventDefault();
-        }
-    }
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSErrorHandler.h b/src/javascript/jsc/bindings/webcore/JSErrorHandler.h
deleted file mode 100644
index d32c55a86..000000000
--- a/src/javascript/jsc/bindings/webcore/JSErrorHandler.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSEventListener.h"
-
-namespace WebCore {
-
-class JSErrorHandler final : public JSEventListener {
-public:
-    static Ref<JSErrorHandler> create(JSC::JSObject& listener, JSC::JSObject& wrapper, bool isAttribute, DOMWrapperWorld&);
-    virtual ~JSErrorHandler();
-
-private:
-    JSErrorHandler(JSC::JSObject& listener, JSC::JSObject& wrapper, bool isAttribute, DOMWrapperWorld&);
-    void handleEvent(ScriptExecutionContext&, Event&) final;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEvent.cpp b/src/javascript/jsc/bindings/webcore/JSEvent.cpp
deleted file mode 100644
index fc729b4c8..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEvent.cpp
+++ /dev/null
@@ -1,620 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "root.h"
-#include "JSEvent.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertDictionary.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertSequences.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "JSEventInit.h"
-#include "JSEventTarget.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSArray.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsEventPrototypeFunction_composedPath);
-static JSC_DECLARE_HOST_FUNCTION(jsEventPrototypeFunction_stopPropagation);
-static JSC_DECLARE_HOST_FUNCTION(jsEventPrototypeFunction_stopImmediatePropagation);
-static JSC_DECLARE_HOST_FUNCTION(jsEventPrototypeFunction_preventDefault);
-static JSC_DECLARE_HOST_FUNCTION(jsEventPrototypeFunction_initEvent);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsEventConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_type);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_target);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_currentTarget);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_eventPhase);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_cancelBubble);
-static JSC_DECLARE_CUSTOM_SETTER(setJSEvent_cancelBubble);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_bubbles);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_cancelable);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_defaultPrevented);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_composed);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_isTrusted);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_timeStamp);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_srcElement);
-static JSC_DECLARE_CUSTOM_GETTER(jsEvent_returnValue);
-static JSC_DECLARE_CUSTOM_SETTER(setJSEvent_returnValue);
-
-class JSEventPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSEventPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSEventPrototype* ptr = new (NotNull, JSC::allocateCell<JSEventPrototype>(vm)) JSEventPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSEventPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSEventPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSEventPrototype, JSEventPrototype::Base);
-
-using JSEventDOMConstructor = JSDOMConstructor<JSEvent>;
-
-/* Hash table */
-
-static const struct CompactHashIndex JSEventTableIndex[2] = {
-    { 0, -1 },
-    { -1, -1 },
-};
-
-static const HashTableValue JSEventTableValues[] = {
-    { "isTrusted"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_isTrusted), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-};
-
-static const HashTable JSEventTable = { 1, 1, true, JSEvent::info(), JSEventTableValues, JSEventTableIndex };
-/* Hash table for constructor */
-
-static const HashTableValue JSEventConstructorTableValues[] = {
-    { "NONE"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(0) } },
-    { "CAPTURING_PHASE"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(1) } },
-    { "AT_TARGET"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(2) } },
-    { "BUBBLING_PHASE"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(3) } },
-};
-
-static_assert(Event::NONE == 0, "NONE in Event does not match value from IDL");
-static_assert(Event::CAPTURING_PHASE == 1, "CAPTURING_PHASE in Event does not match value from IDL");
-static_assert(Event::AT_TARGET == 2, "AT_TARGET in Event does not match value from IDL");
-static_assert(Event::BUBBLING_PHASE == 3, "BUBBLING_PHASE in Event does not match value from IDL");
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSEventDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSEventDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto eventInitDict = convert<IDLDictionary<EventInit>>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = Event::create(WTFMove(type), WTFMove(eventInitDict));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<Event>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<Event>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSEventDOMConstructorConstruct, JSEventDOMConstructor::construct);
-
-template<> const ClassInfo JSEventDOMConstructor::s_info = { "Event"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSEventDOMConstructor) };
-
-template<> JSValue JSEventDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSEventDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "Event"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSEvent::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-    reifyStaticProperties(vm, JSEvent::info(), JSEventConstructorTableValues, *this);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSEventPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEventConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "type"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_type), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "target"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_target), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "currentTarget"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_currentTarget), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "eventPhase"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_eventPhase), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "cancelBubble"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_cancelBubble), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEvent_cancelBubble) } },
-    { "bubbles"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_bubbles), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "cancelable"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_cancelable), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "defaultPrevented"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_defaultPrevented), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "composed"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_composed), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "timeStamp"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_timeStamp), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "srcElement"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_srcElement), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "returnValue"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEvent_returnValue), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEvent_returnValue) } },
-    { "composedPath"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsEventPrototypeFunction_composedPath), (intptr_t)(0) } },
-    { "stopPropagation"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsEventPrototypeFunction_stopPropagation), (intptr_t)(0) } },
-    { "stopImmediatePropagation"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsEventPrototypeFunction_stopImmediatePropagation), (intptr_t)(0) } },
-    { "preventDefault"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsEventPrototypeFunction_preventDefault), (intptr_t)(0) } },
-    { "initEvent"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsEventPrototypeFunction_initEvent), (intptr_t)(1) } },
-    { "NONE"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(0) } },
-    { "CAPTURING_PHASE"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(1) } },
-    { "AT_TARGET"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(2) } },
-    { "BUBBLING_PHASE"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(3) } },
-};
-
-const ClassInfo JSEventPrototype::s_info = { "Event"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSEventPrototype) };
-
-void JSEventPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSEvent::info(), JSEventPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSEvent::s_info = { "Event"_s, &Base::s_info, &JSEventTable
-#if 0
-    ,
-    &checkSubClassSnippetForJSEvent
-#else
-    ,
-    nullptr
-#endif
-    ,
-    CREATE_METHOD_TABLE(JSEvent) };
-
-JSEvent::JSEvent(Structure* structure, JSDOMGlobalObject& globalObject, Ref<Event>&& impl)
-    : JSDOMWrapper<Event>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSEvent::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, Event>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSEvent::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSEventPrototype::create(vm, &globalObject, JSEventPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSEvent::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSEvent>(vm, globalObject);
-}
-
-JSValue JSEvent::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSEventDOMConstructor, DOMConstructorID::Event>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSEvent::destroy(JSC::JSCell* cell)
-{
-    JSEvent* thisObject = static_cast<JSEvent*>(cell);
-    thisObject->JSEvent::~JSEvent();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEventConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSEventPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSEvent::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsEvent_typeGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLDOMString>(lexicalGlobalObject, throwScope, impl.type())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_type, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_typeGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_targetGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLNullable<IDLInterface<EventTarget>>>(lexicalGlobalObject, *thisObject.globalObject(), throwScope, impl.target())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_target, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_targetGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_currentTargetGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLNullable<IDLInterface<EventTarget>>>(lexicalGlobalObject, *thisObject.globalObject(), throwScope, impl.currentTarget())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_currentTarget, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_currentTargetGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_eventPhaseGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUnsignedShort>(lexicalGlobalObject, throwScope, impl.eventPhase())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_eventPhase, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_eventPhaseGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_cancelBubbleGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.cancelBubble())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_cancelBubble, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_cancelBubbleGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSEvent_cancelBubbleSetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLBoolean>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setCancelBubble(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSEvent_cancelBubble, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::set<setJSEvent_cancelBubbleSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsEvent_bubblesGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.bubbles())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_bubbles, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_bubblesGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_cancelableGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.cancelable())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_cancelable, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_cancelableGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_defaultPreventedGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.defaultPrevented())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_defaultPrevented, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_defaultPreventedGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_composedGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.composed())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_composed, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_composedGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_isTrustedGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.isTrusted())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_isTrusted, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_isTrustedGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_timeStampGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* context = (thisObject).globalObject()->scriptExecutionContext();
-    if (UNLIKELY(!context))
-        return jsUndefined();
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLDouble>(lexicalGlobalObject, throwScope, impl.timeStampForBindings(*context))));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_timeStamp, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_timeStampGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_srcElementGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLInterface<EventTarget>>(lexicalGlobalObject, *thisObject.globalObject(), throwScope, impl.target())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_srcElement, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_srcElementGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsEvent_returnValueGetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.legacyReturnValue())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEvent_returnValue, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::get<jsEvent_returnValueGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSEvent_returnValueSetter(JSGlobalObject& lexicalGlobalObject, JSEvent& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLBoolean>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setLegacyReturnValue(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSEvent_returnValue, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSEvent>::set<setJSEvent_returnValueSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsEventPrototypeFunction_composedPathBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSEvent>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLSequence<IDLInterface<EventTarget>>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, impl.composedPath())));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsEventPrototypeFunction_composedPath, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSEvent>::call<jsEventPrototypeFunction_composedPathBody>(*lexicalGlobalObject, *callFrame, "composedPath");
-}
-
-static inline JSC::EncodedJSValue jsEventPrototypeFunction_stopPropagationBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSEvent>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.stopPropagation(); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsEventPrototypeFunction_stopPropagation, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSEvent>::call<jsEventPrototypeFunction_stopPropagationBody>(*lexicalGlobalObject, *callFrame, "stopPropagation");
-}
-
-static inline JSC::EncodedJSValue jsEventPrototypeFunction_stopImmediatePropagationBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSEvent>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.stopImmediatePropagation(); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsEventPrototypeFunction_stopImmediatePropagation, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSEvent>::call<jsEventPrototypeFunction_stopImmediatePropagationBody>(*lexicalGlobalObject, *callFrame, "stopImmediatePropagation");
-}
-
-static inline JSC::EncodedJSValue jsEventPrototypeFunction_preventDefaultBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSEvent>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.preventDefault(); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsEventPrototypeFunction_preventDefault, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSEvent>::call<jsEventPrototypeFunction_preventDefaultBody>(*lexicalGlobalObject, *callFrame, "preventDefault");
-}
-
-static inline JSC::EncodedJSValue jsEventPrototypeFunction_initEventBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSEvent>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto bubbles = convert<IDLBoolean>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument2 = callFrame->argument(2);
-    auto cancelable = convert<IDLBoolean>(*lexicalGlobalObject, argument2.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.initEvent(WTFMove(type), WTFMove(bubbles), WTFMove(cancelable)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsEventPrototypeFunction_initEvent, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSEvent>::call<jsEventPrototypeFunction_initEventBody>(*lexicalGlobalObject, *callFrame, "initEvent");
-}
-
-JSC::GCClient::IsoSubspace* JSEvent::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSEvent, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForEvent = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForEvent = WTFMove(space); });
-}
-
-void JSEvent::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSEvent*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSEventOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSEventOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsEvent = static_cast<JSEvent*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsEvent->wrapped(), jsEvent);
-}
-
-Event* JSEvent::toWrapped(JSC::VM& vm, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSEvent*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSEvent.dep b/src/javascript/jsc/bindings/webcore/JSEvent.dep
deleted file mode 100644
index 573e0bba5..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEvent.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSEvent.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSEvent.h b/src/javascript/jsc/bindings/webcore/JSEvent.h
deleted file mode 100644
index 1f4c5f80a..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEvent.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "Event.h"
-#include "JSDOMWrapper.h"
-#include <JavaScriptCore/Snippet.h>
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSEvent : public JSDOMWrapper<Event> {
-public:
-    using Base = JSDOMWrapper<Event>;
-    static JSEvent* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<Event>&& impl)
-    {
-        JSEvent* ptr = new (NotNull, JSC::allocateCell<JSEvent>(globalObject->vm())) JSEvent(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static WEBCORE_EXPORT Event* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSEventType), StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-public:
-    static constexpr unsigned StructureFlags = Base::StructureFlags | JSC::HasStaticPropertyTable;
-
-protected:
-    JSEvent(JSC::Structure*, JSDOMGlobalObject&, Ref<Event>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSEventOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, Event*)
-{
-    static NeverDestroyed<JSEventOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(Event* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, Event&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, Event* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<Event>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<Event>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-// #if ENABLE(JIT)
-// Ref<JSC::Snippet> checkSubClassSnippetForJSEvent();
-// #endif
-template<> struct JSDOMWrapperConverterTraits<Event> {
-    using WrapperClass = JSEvent;
-    using ToWrappedReturnType = Event*;
-};
-
-} // namespace WebCore
-#include "JSEventCustom.h"
diff --git a/src/javascript/jsc/bindings/webcore/JSEventCustom.cpp b/src/javascript/jsc/bindings/webcore/JSEventCustom.cpp
deleted file mode 100644
index 2f8a9b04d..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventCustom.cpp
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer. 
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution. 
- * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSEvent.h"
-
-#include "JSDOMWrapperCache.h"
-#include <JavaScriptCore/JSCJSValue.h>
-
-namespace WebCore {
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, Event& event)
-{
-    return wrap(lexicalGlobalObject, globalObject, event);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventCustom.h b/src/javascript/jsc/bindings/webcore/JSEventCustom.h
deleted file mode 100644
index c910848f6..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventCustom.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- * Copyright (C) 2018 Yusuke Suzuki <utatane.tea@gmail.com>.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMBinding.h"
-#include "JSEvent.h"
-
-namespace JSC {
-namespace JSCastingHelpers {
-
-template<>
-struct InheritsTraits<WebCore::JSEvent> {
-    static constexpr std::optional<JSTypeRange> typeRange { { static_cast<JSType>(WebCore::JSEventType), static_cast<JSType>(WebCore::JSEventType) } };
-    template<typename From>
-    static inline bool inherits(From* from)
-    {
-        return inheritsJSTypeImpl<WebCore::JSEvent>(from, *typeRange);
-    }
-};
-
-} // namespace JSCastingHelpers
-} // namespace JSC
diff --git a/src/javascript/jsc/bindings/webcore/JSEventInit.cpp b/src/javascript/jsc/bindings/webcore/JSEventInit.cpp
deleted file mode 100644
index 5ec28613e..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventInit.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSEventInit.h"
-
-#include "JSDOMConvertBoolean.h"
-#include <JavaScriptCore/JSCInlines.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<> EventInit convertDictionary<EventInit>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    EventInit result;
-    JSValue bubblesValue;
-    if (isNullOrUndefined)
-        bubblesValue = jsUndefined();
-    else {
-        bubblesValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "bubbles"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!bubblesValue.isUndefined()) {
-        result.bubbles = convert<IDLBoolean>(lexicalGlobalObject, bubblesValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.bubbles = false;
-    JSValue cancelableValue;
-    if (isNullOrUndefined)
-        cancelableValue = jsUndefined();
-    else {
-        cancelableValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "cancelable"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!cancelableValue.isUndefined()) {
-        result.cancelable = convert<IDLBoolean>(lexicalGlobalObject, cancelableValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.cancelable = false;
-    JSValue composedValue;
-    if (isNullOrUndefined)
-        composedValue = jsUndefined();
-    else {
-        composedValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "composed"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!composedValue.isUndefined()) {
-        result.composed = convert<IDLBoolean>(lexicalGlobalObject, composedValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.composed = false;
-    return result;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventInit.dep b/src/javascript/jsc/bindings/webcore/JSEventInit.dep
deleted file mode 100644
index e1d78f2d8..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventInit.dep
+++ /dev/null
@@ -1 +0,0 @@
-EventInit.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSEventInit.h b/src/javascript/jsc/bindings/webcore/JSEventInit.h
deleted file mode 100644
index c7cd96b65..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventInit.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "EventInit.h"
-#include "JSDOMConvertDictionary.h"
-
-namespace WebCore {
-
-template<> EventInit convertDictionary<EventInit>(JSC::JSGlobalObject&, JSC::JSValue);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventListener.cpp b/src/javascript/jsc/bindings/webcore/JSEventListener.cpp
deleted file mode 100644
index 3d6be9cd0..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventListener.cpp
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
- *  Copyright (C) 2003-2021 Apple Inc. All Rights Reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "config.h"
-#include "JSEventListener.h"
-
-// #include "BeforeUnloadEvent.h"
-// #include "ContentSecurityPolicy.h"
-#include "EventNames.h"
-// #include "Frame.h"
-// #include "HTMLElement.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMGlobalObject.h"
-// #include "JSDocument.h"
-#include "JSEvent.h"
-#include "JSEventTarget.h"
-// #include "JSExecState.h"
-// #include "JSExecStateInstrumentation.h"
-// #include "JSWorkerGlobalScope.h"
-// #include "ScriptController.h"
-// #include "WorkerGlobalScope.h"
-#include <JavaScriptCore/ExceptionHelpers.h>
-#include <JavaScriptCore/JSLock.h>
-#include <JavaScriptCore/VMEntryScope.h>
-#include <JavaScriptCore/Watchdog.h>
-#include <wtf/Ref.h>
-#include <wtf/Scope.h>
-
-namespace WebCore {
-using namespace JSC;
-
-JSEventListener::JSEventListener(JSObject* function, JSObject* wrapper, bool isAttribute, CreatedFromMarkup createdFromMarkup, DOMWrapperWorld& isolatedWorld)
-    : EventListener(JSEventListenerType)
-    , m_isAttribute(isAttribute)
-    , m_wasCreatedFromMarkup(createdFromMarkup == CreatedFromMarkup::Yes)
-    , m_isInitialized(false)
-    , m_wrapper(wrapper)
-    , m_isolatedWorld(isolatedWorld)
-{
-    if (function) {
-        ASSERT(wrapper);
-        m_jsFunction = JSC::Weak<JSC::JSObject>(function);
-        m_isInitialized = true;
-    }
-}
-
-JSEventListener::~JSEventListener() = default;
-
-Ref<JSEventListener> JSEventListener::create(JSC::JSObject& listener, JSC::JSObject& wrapper, bool isAttribute, DOMWrapperWorld& world)
-{
-    return adoptRef(*new JSEventListener(&listener, &wrapper, isAttribute, CreatedFromMarkup::No, world));
-}
-
-JSObject* JSEventListener::initializeJSFunction(ScriptExecutionContext&) const
-{
-    return nullptr;
-}
-
-void JSEventListener::replaceJSFunctionForAttributeListener(JSObject* function, JSObject* wrapper)
-{
-    ASSERT(m_isAttribute);
-    ASSERT(function);
-    ASSERT(wrapper);
-
-    m_wasCreatedFromMarkup = false;
-    m_jsFunction = Weak { function };
-    if (m_isInitialized)
-        ASSERT(m_wrapper.get() == wrapper);
-    else {
-        m_wrapper = Weak { wrapper };
-        m_isInitialized = true;
-    }
-}
-
-JSValue eventHandlerAttribute(EventTarget& eventTarget, const AtomString& eventType, DOMWrapperWorld& isolatedWorld)
-{
-    if (auto* jsListener = eventTarget.attributeEventListener(eventType, isolatedWorld)) {
-        if (auto* context = eventTarget.scriptExecutionContext()) {
-            if (auto* jsFunction = jsListener->ensureJSFunction(*context))
-                return jsFunction;
-        }
-    }
-
-    return jsNull();
-}
-
-template<typename Visitor>
-inline void JSEventListener::visitJSFunctionImpl(Visitor& visitor)
-{
-    // If m_wrapper is null, we are not keeping m_jsFunction alive.
-    if (!m_wrapper)
-        return;
-
-    visitor.append(m_jsFunction);
-}
-
-void JSEventListener::visitJSFunction(AbstractSlotVisitor& visitor) { visitJSFunctionImpl(visitor); }
-void JSEventListener::visitJSFunction(SlotVisitor& visitor) { visitJSFunctionImpl(visitor); }
-
-// static void handleBeforeUnloadEventReturnValue(BeforeUnloadEvent& event, const String& returnValue)
-// {
-//     if (returnValue.isNull())
-//         return;
-
-//     event.preventDefault();
-//     if (event.returnValue().isEmpty())
-//         event.setReturnValue(returnValue);
-// }
-
-void JSEventListener::handleEvent(ScriptExecutionContext& scriptExecutionContext, Event& event)
-{
-    if (scriptExecutionContext.isJSExecutionForbidden())
-        return;
-
-    VM& vm = scriptExecutionContext.vm();
-    JSLockHolder lock(vm);
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-
-    // See https://dom.spec.whatwg.org/#dispatching-events spec on calling handleEvent.
-    // "If this throws an exception, report the exception." It should not propagate the
-    // exception.
-
-    JSObject* jsFunction = ensureJSFunction(scriptExecutionContext);
-    if (!jsFunction)
-        return;
-
-    JSDOMGlobalObject* globalObject = toJSDOMGlobalObject(scriptExecutionContext, m_isolatedWorld);
-    if (!globalObject)
-        return;
-
-    // if (scriptExecutionContext.isDocument()) {
-    //     JSDOMWindow* window = jsCast<JSDOMWindow*>(globalObject);
-    //     if (!window->wrapped().isCurrentlyDisplayedInFrame())
-    //         return;
-    //     if (wasCreatedFromMarkup()) {
-    //         Element* element = event.target()->isNode() && !downcast<Node>(*event.target()).isDocumentNode() ? dynamicDowncast<Element>(*event.target()) : nullptr;
-    //         if (!scriptExecutionContext.contentSecurityPolicy()->allowInlineEventHandlers(sourceURL().string(), sourcePosition().m_line, code(), element))
-    //             return;
-    //     }
-    //     // FIXME: Is this check needed for other contexts?
-    //     ScriptController& script = window->wrapped().frame()->script();
-    //     if (!script.canExecuteScripts(AboutToExecuteScript) || script.isPaused())
-    //         return;
-    // }
-
-    // RefPtr<Event> savedEvent;
-    // auto* jsFunctionWindow = jsDynamicCast<JSDOMWindow*>(vm, jsFunction->globalObject(vm));
-    // if (jsFunctionWindow) {
-    //     savedEvent = jsFunctionWindow->currentEvent();
-
-    //     // window.event should not be set when the target is inside a shadow tree, as per the DOM specification.
-    //     if (!event.currentTargetIsInShadowTree())
-    //         jsFunctionWindow->setCurrentEvent(&event);
-    // }
-
-    // auto restoreCurrentEventOnExit = makeScopeExit([&] {
-    //     if (jsFunctionWindow)
-    //         jsFunctionWindow->setCurrentEvent(savedEvent.get());
-    // });
-
-    JSGlobalObject* lexicalGlobalObject = jsFunction->globalObject();
-
-    JSValue handleEventFunction = jsFunction;
-
-    auto callData = getCallData(handleEventFunction);
-
-    // If jsFunction is not actually a function and this is an EventListener, see if it implements callback interface.
-    if (callData.type == CallData::Type::None) {
-        if (m_isAttribute)
-            return;
-
-        handleEventFunction = jsFunction->get(lexicalGlobalObject, Identifier::fromString(vm, "handleEvent"_s));
-        if (UNLIKELY(scope.exception())) {
-            auto* exception = scope.exception();
-            scope.clearException();
-            event.target()->uncaughtExceptionInEventHandler();
-            reportException(lexicalGlobalObject, exception);
-            return;
-        }
-        callData = getCallData(handleEventFunction);
-        if (callData.type == CallData::Type::None) {
-            event.target()->uncaughtExceptionInEventHandler();
-            reportException(lexicalGlobalObject, createTypeError(lexicalGlobalObject, "'handleEvent' property of event listener should be callable"_s));
-            return;
-        }
-    }
-
-    Ref<JSEventListener> protectedThis(*this);
-
-    MarkedArgumentBuffer args;
-    args.append(toJS(lexicalGlobalObject, globalObject, &event));
-    ASSERT(!args.hasOverflowed());
-
-    VMEntryScope entryScope(vm, vm.entryScope ? vm.entryScope->globalObject() : lexicalGlobalObject);
-
-    // JSExecState::instrumentFunction(&scriptExecutionContext, callData);
-
-    JSValue thisValue = handleEventFunction == jsFunction ? toJS(lexicalGlobalObject, globalObject, event.currentTarget()) : jsFunction;
-    NakedPtr<JSC::Exception> uncaughtException;
-    JSValue retval = JSC::profiledCall(lexicalGlobalObject, JSC::ProfilingReason::Other, handleEventFunction, callData, thisValue, args, uncaughtException);
-
-    // InspectorInstrumentation::didCallFunction(&scriptExecutionContext);
-
-    auto handleExceptionIfNeeded = [&](JSC::Exception* exception) -> bool {
-        // if (is<WorkerGlobalScope>(scriptExecutionContext)) {
-        //     auto* scriptController = downcast<WorkerGlobalScope>(scriptExecutionContext).script();
-        //     bool terminatorCausedException = (exception && vm.isTerminationException(exception));
-        //     if (terminatorCausedException || (scriptController && scriptController->isTerminatingExecution()))
-        //         scriptController->forbidExecution();
-        // }
-
-        if (exception) {
-            event.target()->uncaughtExceptionInEventHandler();
-            reportException(lexicalGlobalObject, exception);
-            return true;
-        }
-        return false;
-    };
-
-    if (handleExceptionIfNeeded(uncaughtException))
-        return;
-
-    if (!m_isAttribute) {
-        // This is an EventListener and there is therefore no need for any return value handling.
-        return;
-    }
-
-    // Do return value handling for event handlers (https://html.spec.whatwg.org/#the-event-handler-processing-algorithm).
-
-    // if (event.type() == eventNames().beforeunloadEvent) {
-    //     // This is a OnBeforeUnloadEventHandler, and therefore the return value must be coerced into a String.
-    //     if (is<BeforeUnloadEvent>(event)) {
-    //         String resultStr = convert<IDLNullable<IDLDOMString>>(*lexicalGlobalObject, retval);
-    //         if (UNLIKELY(scope.exception())) {
-    //             if (handleExceptionIfNeeded(scope.exception()))
-    //                 return;
-    //         }
-    //         handleBeforeUnloadEventReturnValue(downcast<BeforeUnloadEvent>(event), resultStr);
-    //     }
-    //     return;
-    // }
-
-    if (retval.isFalse())
-        event.preventDefault();
-}
-
-bool JSEventListener::operator==(const EventListener& listener) const
-{
-    if (!is<JSEventListener>(listener))
-        return false;
-    auto& other = downcast<JSEventListener>(listener);
-    return m_jsFunction == other.m_jsFunction && m_isAttribute == other.m_isAttribute;
-}
-
-String JSEventListener::functionName() const
-{
-    if (!m_wrapper || !m_jsFunction)
-        return {};
-
-    auto& vm = isolatedWorld().vm();
-    JSC::JSLockHolder lock(vm);
-
-    auto* handlerFunction = JSC::jsDynamicCast<JSC::JSFunction*>(m_jsFunction.get());
-    if (!handlerFunction)
-        return {};
-
-    return handlerFunction->name(vm);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventListener.h b/src/javascript/jsc/bindings/webcore/JSEventListener.h
deleted file mode 100644
index fb8da1bb6..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventListener.h
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
- *  Copyright (C) 2003-2021 Apple Inc. All rights reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#pragma once
-
-// #include "DOMWindow.h"
-#include "DOMWrapperWorld.h"
-#include "EventListener.h"
-#include "EventNames.h"
-// #include "HTMLElement.h"
-#include <JavaScriptCore/StrongInlines.h>
-#include <JavaScriptCore/Weak.h>
-#include <JavaScriptCore/WeakInlines.h>
-#include <wtf/Ref.h>
-#include <wtf/TypeCasts.h>
-#include <wtf/text/TextPosition.h>
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-class JSEventListener : public EventListener {
-public:
-    WEBCORE_EXPORT static Ref<JSEventListener> create(JSC::JSObject& listener, JSC::JSObject& wrapper, bool isAttribute, DOMWrapperWorld&);
-
-    virtual ~JSEventListener();
-
-    bool operator==(const EventListener&) const final;
-
-    // Returns true if this event listener was created for an event handler attribute, like "onload" or "onclick".
-    bool isAttribute() const final { return m_isAttribute; }
-
-    bool wasCreatedFromMarkup() const { return m_wasCreatedFromMarkup; }
-
-    JSC::JSObject* ensureJSFunction(ScriptExecutionContext&) const;
-    DOMWrapperWorld& isolatedWorld() const { return m_isolatedWorld; }
-
-    JSC::JSObject* jsFunction() const final { return m_jsFunction.get(); }
-    JSC::JSObject* wrapper() const final { return m_wrapper.get(); }
-
-    virtual URL sourceURL() const { return {}; }
-    virtual TextPosition sourcePosition() const { return TextPosition(); }
-
-    String functionName() const;
-
-    void replaceJSFunctionForAttributeListener(JSC::JSObject* function, JSC::JSObject* wrapper);
-    static bool wasCreatedFromMarkup(const EventListener& listener)
-    {
-        return is<JSEventListener>(listener) && downcast<JSEventListener>(listener).wasCreatedFromMarkup();
-    }
-
-private:
-    virtual JSC::JSObject* initializeJSFunction(ScriptExecutionContext&) const;
-
-    template<typename Visitor> void visitJSFunctionImpl(Visitor&);
-    void visitJSFunction(JSC::AbstractSlotVisitor&) final;
-    void visitJSFunction(JSC::SlotVisitor&) final;
-    virtual String code() const { return String(); }
-
-protected:
-    enum class CreatedFromMarkup : bool { No,
-        Yes };
-
-    JSEventListener(JSC::JSObject* function, JSC::JSObject* wrapper, bool isAttribute, CreatedFromMarkup, DOMWrapperWorld&);
-    void handleEvent(ScriptExecutionContext&, Event&) override;
-    void setWrapperWhenInitializingJSFunction(JSC::VM&, JSC::JSObject* wrapper) const { m_wrapper = JSC::Weak<JSC::JSObject>(wrapper); }
-
-private:
-    bool m_isAttribute : 1;
-    bool m_wasCreatedFromMarkup : 1;
-
-    mutable bool m_isInitialized : 1;
-    mutable JSC::Weak<JSC::JSObject> m_jsFunction;
-    mutable JSC::Weak<JSC::JSObject> m_wrapper;
-
-    Ref<DOMWrapperWorld> m_isolatedWorld;
-};
-
-// For "onxxx" attributes that automatically set up JavaScript event listeners.
-JSC::JSValue eventHandlerAttribute(EventTarget&, const AtomString& eventType, DOMWrapperWorld&);
-
-template<typename JSMaybeErrorEventListener>
-inline void setEventHandlerAttribute(EventTarget& eventTarget, const AtomString& eventType, JSC::JSValue listener, JSC::JSObject& jsEventTarget)
-{
-    eventTarget.setAttributeEventListener<JSMaybeErrorEventListener>(eventType, listener, jsEventTarget);
-}
-
-// // Like the functions above, but for attributes that forward event handlers to the window object rather than setting them on the target.
-// inline JSC::JSValue windowEventHandlerAttribute(DOMWindow& window, const AtomString& eventType, DOMWrapperWorld& isolatedWorld)
-// {
-//     return eventHandlerAttribute(window, eventType, isolatedWorld);
-// }
-
-// inline JSC::JSValue windowEventHandlerAttribute(HTMLElement& element, const AtomString& eventType, DOMWrapperWorld& isolatedWorld)
-// {
-//     if (auto* domWindow = element.document().domWindow())
-//         return eventHandlerAttribute(*domWindow, eventType, isolatedWorld);
-//     return JSC::jsNull();
-// }
-
-// template<typename JSMaybeErrorEventListener>
-// inline void setWindowEventHandlerAttribute(DOMWindow& window, const AtomString& eventType, JSC::JSValue listener, JSC::JSObject& jsEventTarget)
-// {
-//     window.setAttributeEventListener<JSMaybeErrorEventListener>(eventType, listener, *jsEventTarget.globalObject());
-// }
-
-// template<typename JSMaybeErrorEventListener>
-// inline void setWindowEventHandlerAttribute(HTMLElement& element, const AtomString& eventType, JSC::JSValue listener, JSC::JSObject& jsEventTarget)
-// {
-//     if (auto* domWindow = element.document().domWindow())
-//         domWindow->setAttributeEventListener<JSMaybeErrorEventListener>(eventType, listener, *jsEventTarget.globalObject());
-// }
-
-inline JSC::JSObject* JSEventListener::ensureJSFunction(ScriptExecutionContext& scriptExecutionContext) const
-{
-    // initializeJSFunction can trigger code that deletes this event listener
-    // before we're done. It should always return null in this case.
-    JSC::VM& vm = m_isolatedWorld->vm();
-    Ref protect = const_cast<JSEventListener&>(*this);
-    JSC::EnsureStillAliveScope protectedWrapper(m_wrapper.get());
-
-    if (!m_isInitialized) {
-        ASSERT(!m_jsFunction);
-        auto* function = initializeJSFunction(scriptExecutionContext);
-        if (function) {
-            m_jsFunction = JSC::Weak<JSC::JSObject>(function);
-            // When JSFunction is initialized, initializeJSFunction must ensure that m_wrapper should be initialized too.
-            ASSERT(m_wrapper);
-            vm.writeBarrier(m_wrapper.get(), function);
-            m_isInitialized = true;
-        }
-    }
-
-    // m_wrapper and m_jsFunction are Weak<>. nullptr of these fields do not mean that this event-listener is not initialized yet.
-    // If this is initialized once, m_isInitialized should be true, and then m_wrapper and m_jsFunction must be alive. m_wrapper's
-    // liveness should be kept correctly by using ActiveDOMObject, output-constraints, etc. And m_jsFunction must be alive if m_wrapper
-    // is alive since JSEventListener marks m_jsFunction in JSEventListener::visitJSFunction if m_wrapper is alive.
-    // If the event-listener is not initialized yet, we should skip invoking this event-listener.
-    if (!m_isInitialized)
-        return nullptr;
-
-    ASSERT(m_wrapper);
-    ASSERT(m_jsFunction);
-    // Ensure m_jsFunction is live JSObject as a quick sanity check (while it is already ensured by Weak<>). If this fails, this is possibly JSC GC side's bug.
-    ASSERT(static_cast<JSC::JSCell*>(m_jsFunction.get())->isObject());
-
-    return m_jsFunction.get();
-}
-
-} // namespace WebCore
-
-SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::JSEventListener)
-static bool isType(const WebCore::EventListener& input) { return input.type() == WebCore::JSEventListener::JSEventListenerType; }
-SPECIALIZE_TYPE_TRAITS_END()
diff --git a/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.cpp b/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.cpp
deleted file mode 100644
index a1e6fb69f..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.cpp
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSEventListenerOptions.h"
-
-#include "JSDOMConvertBoolean.h"
-#include <JavaScriptCore/JSCInlines.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<> EventListenerOptions convertDictionary<EventListenerOptions>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    EventListenerOptions result;
-    JSValue captureValue;
-    if (isNullOrUndefined)
-        captureValue = jsUndefined();
-    else {
-        captureValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "capture"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!captureValue.isUndefined()) {
-        result.capture = convert<IDLBoolean>(lexicalGlobalObject, captureValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.capture = false;
-    return result;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.dep b/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.dep
deleted file mode 100644
index 6a7075b90..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.dep
+++ /dev/null
@@ -1 +0,0 @@
-EventListenerOptions.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.h b/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.h
deleted file mode 100644
index 1b4e2027e..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventListenerOptions.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "EventListenerOptions.h"
-#include "JSDOMConvertDictionary.h"
-
-namespace WebCore {
-
-template<> EventListenerOptions convertDictionary<EventListenerOptions>(JSC::JSGlobalObject&, JSC::JSValue);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventModifierInit.cpp b/src/javascript/jsc/bindings/webcore/JSEventModifierInit.cpp
deleted file mode 100644
index 0e9d2c804..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventModifierInit.cpp
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSEventModifierInit.h"
-
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertNumbers.h"
-// #include "JSWindowProxy.h"
-#include <JavaScriptCore/JSCInlines.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<> EventModifierInit convertDictionary<EventModifierInit>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    EventModifierInit result;
-    JSValue bubblesValue;
-    if (isNullOrUndefined)
-        bubblesValue = jsUndefined();
-    else {
-        bubblesValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "bubbles"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!bubblesValue.isUndefined()) {
-        result.bubbles = convert<IDLBoolean>(lexicalGlobalObject, bubblesValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.bubbles = false;
-    JSValue cancelableValue;
-    if (isNullOrUndefined)
-        cancelableValue = jsUndefined();
-    else {
-        cancelableValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "cancelable"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!cancelableValue.isUndefined()) {
-        result.cancelable = convert<IDLBoolean>(lexicalGlobalObject, cancelableValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.cancelable = false;
-    JSValue composedValue;
-    if (isNullOrUndefined)
-        composedValue = jsUndefined();
-    else {
-        composedValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "composed"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!composedValue.isUndefined()) {
-        result.composed = convert<IDLBoolean>(lexicalGlobalObject, composedValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.composed = false;
-    JSValue detailValue;
-    if (isNullOrUndefined)
-        detailValue = jsUndefined();
-    else {
-        detailValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "detail"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!detailValue.isUndefined()) {
-        result.detail = convert<IDLLong>(lexicalGlobalObject, detailValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.detail = 0;
-    JSValue viewValue;
-    if (isNullOrUndefined)
-        viewValue = jsUndefined();
-    else {
-        viewValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "view"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    // if (!viewValue.isUndefined()) {
-    //     result.view = convert<IDLNullable<IDLInterface<WindowProxy>>>(lexicalGlobalObject, viewValue);
-    //     RETURN_IF_EXCEPTION(throwScope, { });
-    // } else
-    result.view = nullptr;
-    JSValue altKeyValue;
-    if (isNullOrUndefined)
-        altKeyValue = jsUndefined();
-    else {
-        altKeyValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "altKey"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!altKeyValue.isUndefined()) {
-        result.altKey = convert<IDLBoolean>(lexicalGlobalObject, altKeyValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.altKey = false;
-    JSValue ctrlKeyValue;
-    if (isNullOrUndefined)
-        ctrlKeyValue = jsUndefined();
-    else {
-        ctrlKeyValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "ctrlKey"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!ctrlKeyValue.isUndefined()) {
-        result.ctrlKey = convert<IDLBoolean>(lexicalGlobalObject, ctrlKeyValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.ctrlKey = false;
-    JSValue metaKeyValue;
-    if (isNullOrUndefined)
-        metaKeyValue = jsUndefined();
-    else {
-        metaKeyValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "metaKey"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!metaKeyValue.isUndefined()) {
-        result.metaKey = convert<IDLBoolean>(lexicalGlobalObject, metaKeyValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.metaKey = false;
-    JSValue modifierAltGraphValue;
-    if (isNullOrUndefined)
-        modifierAltGraphValue = jsUndefined();
-    else {
-        modifierAltGraphValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "modifierAltGraph"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!modifierAltGraphValue.isUndefined()) {
-        result.modifierAltGraph = convert<IDLBoolean>(lexicalGlobalObject, modifierAltGraphValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.modifierAltGraph = false;
-    JSValue modifierCapsLockValue;
-    if (isNullOrUndefined)
-        modifierCapsLockValue = jsUndefined();
-    else {
-        modifierCapsLockValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "modifierCapsLock"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!modifierCapsLockValue.isUndefined()) {
-        result.modifierCapsLock = convert<IDLBoolean>(lexicalGlobalObject, modifierCapsLockValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.modifierCapsLock = false;
-    JSValue shiftKeyValue;
-    if (isNullOrUndefined)
-        shiftKeyValue = jsUndefined();
-    else {
-        shiftKeyValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "shiftKey"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!shiftKeyValue.isUndefined()) {
-        result.shiftKey = convert<IDLBoolean>(lexicalGlobalObject, shiftKeyValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.shiftKey = false;
-    return result;
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventModifierInit.dep b/src/javascript/jsc/bindings/webcore/JSEventModifierInit.dep
deleted file mode 100644
index f6b60a42f..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventModifierInit.dep
+++ /dev/null
@@ -1,3 +0,0 @@
-EventModifierInit.h : UIEventInit.idl EventInit.idl
-UIEventInit.idl :
-EventInit.idl :
diff --git a/src/javascript/jsc/bindings/webcore/JSEventModifierInit.h b/src/javascript/jsc/bindings/webcore/JSEventModifierInit.h
deleted file mode 100644
index 2f35a2fd2..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventModifierInit.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "EventModifierInit.h"
-#include "JSDOMConvertDictionary.h"
-
-namespace WebCore {
-
-template<> EventModifierInit convertDictionary<EventModifierInit>(JSC::JSGlobalObject&, JSC::JSValue);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventTarget.cpp b/src/javascript/jsc/bindings/webcore/JSEventTarget.cpp
deleted file mode 100644
index 15f282ef8..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventTarget.cpp
+++ /dev/null
@@ -1,351 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSEventTarget.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSAddEventListenerOptions.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertDictionary.h"
-#include "JSDOMConvertEventListener.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMConvertUnion.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "JSEvent.h"
-#include "JSEventListener.h"
-#include "JSEventListenerOptions.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <variant>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsEventTargetPrototypeFunction_addEventListener);
-static JSC_DECLARE_HOST_FUNCTION(jsEventTargetPrototypeFunction_removeEventListener);
-static JSC_DECLARE_HOST_FUNCTION(jsEventTargetPrototypeFunction_dispatchEvent);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsEventTargetConstructor);
-
-class JSEventTargetPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSEventTargetPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSEventTargetPrototype* ptr = new (NotNull, JSC::allocateCell<JSEventTargetPrototype>(vm)) JSEventTargetPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSEventTargetPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSEventTargetPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-
-public:
-    static constexpr unsigned StructureFlags = Base::StructureFlags | JSC::IsImmutablePrototypeExoticObject;
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSEventTargetPrototype, JSEventTargetPrototype::Base);
-
-using JSEventTargetDOMConstructor = JSDOMConstructor<JSEventTarget>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSEventTargetDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSEventTargetDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    auto* context = castedThis->scriptExecutionContext();
-    if (UNLIKELY(!context))
-        return throwConstructorScriptExecutionContextUnavailableError(*lexicalGlobalObject, throwScope, "EventTarget");
-    auto object = EventTarget::create(*context);
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<EventTarget>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<EventTarget>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSEventTargetDOMConstructorConstruct, JSEventTargetDOMConstructor::construct);
-
-template<> const ClassInfo JSEventTargetDOMConstructor::s_info = { "EventTarget"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSEventTargetDOMConstructor) };
-
-template<> JSValue JSEventTargetDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSEventTargetDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "EventTarget"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSEventTarget::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSEventTargetPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsEventTargetConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "addEventListener"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsEventTargetPrototypeFunction_addEventListener), (intptr_t)(2) } },
-    { "removeEventListener"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsEventTargetPrototypeFunction_removeEventListener), (intptr_t)(2) } },
-    { "dispatchEvent"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsEventTargetPrototypeFunction_dispatchEvent), (intptr_t)(1) } },
-};
-
-const ClassInfo JSEventTargetPrototype::s_info = { "EventTarget"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSEventTargetPrototype) };
-
-void JSEventTargetPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSEventTarget::info(), JSEventTargetPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSEventTarget::s_info = { "EventTarget"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSEventTarget) };
-
-JSEventTarget::JSEventTarget(Structure* structure, JSDOMGlobalObject& globalObject, Ref<EventTarget>&& impl)
-    : JSDOMWrapper<EventTarget>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSEventTarget::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, EventTarget>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSEventTarget::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSEventTargetPrototype::create(vm, &globalObject, JSEventTargetPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSEventTarget::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSEventTarget>(vm, globalObject);
-}
-
-JSValue JSEventTarget::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSEventTargetDOMConstructor, DOMConstructorID::EventTarget>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSEventTarget::destroy(JSC::JSCell* cell)
-{
-    JSEventTarget* thisObject = static_cast<JSEventTarget*>(cell);
-    thisObject->JSEventTarget::~JSEventTarget();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsEventTargetConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSEventTargetPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSEventTarget::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSC::EncodedJSValue jsEventTargetPrototypeFunction_addEventListenerBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSEventTarget>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 2))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto listener = convert<IDLNullable<IDLEventListener<JSEventListener>>>(*lexicalGlobalObject, argument1.value(), *castedThis, [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentMustBeObjectError(lexicalGlobalObject, scope, 1, "listener", "EventTarget", "addEventListener"); });
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument2 = callFrame->argument(2);
-    auto options = argument2.value().isUndefined() ? false : convert<IDLUnion<IDLDictionary<AddEventListenerOptions>, IDLBoolean>>(*lexicalGlobalObject, argument2.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto result = JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.addEventListenerForBindings(WTFMove(type), WTFMove(listener), WTFMove(options)); }));
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    vm.writeBarrier(&static_cast<JSObject&>(*castedThis), argument1.value());
-    return result;
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsEventTargetPrototypeFunction_addEventListener, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSEventTarget>::call<jsEventTargetPrototypeFunction_addEventListenerBody>(*lexicalGlobalObject, *callFrame, "addEventListener");
-}
-
-static inline JSC::EncodedJSValue jsEventTargetPrototypeFunction_removeEventListenerBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSEventTarget>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 2))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto listener = convert<IDLNullable<IDLEventListener<JSEventListener>>>(*lexicalGlobalObject, argument1.value(), *castedThis, [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentMustBeObjectError(lexicalGlobalObject, scope, 1, "listener", "EventTarget", "removeEventListener"); });
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument2 = callFrame->argument(2);
-    auto options = argument2.value().isUndefined() ? false : convert<IDLUnion<IDLDictionary<EventListenerOptions>, IDLBoolean>>(*lexicalGlobalObject, argument2.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto result = JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.removeEventListenerForBindings(WTFMove(type), WTFMove(listener), WTFMove(options)); }));
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    vm.writeBarrier(&static_cast<JSObject&>(*castedThis), argument1.value());
-    return result;
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsEventTargetPrototypeFunction_removeEventListener, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSEventTarget>::call<jsEventTargetPrototypeFunction_removeEventListenerBody>(*lexicalGlobalObject, *callFrame, "removeEventListener");
-}
-
-static inline JSC::EncodedJSValue jsEventTargetPrototypeFunction_dispatchEventBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSEventTarget>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto event = convert<IDLInterface<Event>>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 0, "event", "EventTarget", "dispatchEvent", "Event"); });
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLBoolean>(*lexicalGlobalObject, throwScope, impl.dispatchEventForBindings(*event))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsEventTargetPrototypeFunction_dispatchEvent, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSEventTarget>::call<jsEventTargetPrototypeFunction_dispatchEventBody>(*lexicalGlobalObject, *callFrame, "dispatchEvent");
-}
-
-JSC::GCClient::IsoSubspace* JSEventTarget::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSEventTarget, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForEventTarget.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForEventTarget = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForEventTarget.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForEventTarget = WTFMove(space); });
-}
-
-template<typename Visitor>
-void JSEventTarget::visitChildrenImpl(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSEventTarget*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-DEFINE_VISIT_CHILDREN(JSEventTarget);
-
-template<typename Visitor>
-void JSEventTarget::visitOutputConstraints(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSEventTarget*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitOutputConstraints(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-template void JSEventTarget::visitOutputConstraints(JSCell*, AbstractSlotVisitor&);
-template void JSEventTarget::visitOutputConstraints(JSCell*, SlotVisitor&);
-void JSEventTarget::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSEventTarget*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSEventTargetOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    auto* jsEventTarget = jsCast<JSEventTarget*>(handle.slot()->asCell());
-    if (jsEventTarget->wrapped().isFiringEventListeners()) {
-        if (UNLIKELY(reason))
-            *reason = "EventTarget firing event listeners";
-        return true;
-    }
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSEventTargetOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsEventTarget = static_cast<JSEventTarget*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsEventTarget->wrapped(), jsEventTarget);
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSEventTarget.h b/src/javascript/jsc/bindings/webcore/JSEventTarget.h
deleted file mode 100644
index ac19a2d35..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventTarget.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "root.h"
-#include "EventTarget.h"
-#include "JSDOMWrapper.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSEventTarget : public JSDOMWrapper<EventTarget> {
-public:
-    using Base = JSDOMWrapper<EventTarget>;
-    static JSEventTarget* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<EventTarget>&& impl)
-    {
-        JSEventTarget* ptr = new (NotNull, JSC::allocateCell<JSEventTarget>(globalObject->vm())) JSEventTarget(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static EventTarget* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    DECLARE_VISIT_CHILDREN;
-    template<typename Visitor> void visitAdditionalChildren(Visitor&);
-
-    template<typename Visitor> static void visitOutputConstraints(JSCell*, Visitor&);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-protected:
-    JSEventTarget(JSC::Structure*, JSDOMGlobalObject&, Ref<EventTarget>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSEventTargetOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, EventTarget*)
-{
-    static NeverDestroyed<JSEventTargetOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(EventTarget* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, EventTarget&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, EventTarget* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<EventTarget>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<EventTarget>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<EventTarget> {
-    using WrapperClass = JSEventTarget;
-    using ToWrappedReturnType = EventTarget*;
-};
-
-} // namespace WebCore
-#include "JSEventTargetCustom.h"
diff --git a/src/javascript/jsc/bindings/webcore/JSEventTargetCustom.cpp b/src/javascript/jsc/bindings/webcore/JSEventTargetCustom.cpp
deleted file mode 100644
index 3b24d0a8a..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventTargetCustom.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (C) 2008-2021 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSEventTarget.h"
-
-// #include "DOMWindow.h"
-#include "EventTarget.h"
-// #include "EventTargetHeaders.h"
-#include "EventTargetInterfaces.h"
-// #include "JSDOMWindow.h"
-#include "JSDOMWrapperCache.h"
-#include "JSEventListener.h"
-// #include "JSWindowProxy.h"
-// #include "JSWorkerGlobalScope.h"
-// #include "WorkerGlobalScope.h"
-
-#if ENABLE(OFFSCREEN_CANVAS)
-#include "OffscreenCanvas.h"
-#endif
-
-namespace WebCore {
-using namespace JSC;
-
-JSValue toJSNewlyCreated(JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<EventTarget>&& value)
-{
-    return createWrapper<EventTarget>(globalObject, WTFMove(value));
-}
-
-EventTarget* JSEventTarget::toWrapped(VM& vm, JSValue value)
-{
-    // if (value.inherits<JSWindowProxy>())
-    //     return &jsCast<JSWindowProxy*>(asObject(value))->wrapped();
-    // if (value.inherits<JSDOMWindow>())
-    //     return &jsCast<JSDOMWindow*>(asObject(value))->wrapped();
-    // if (value.inherits<JSWorkerGlobalScope>())
-    //     return &jsCast<JSWorkerGlobalScope*>(asObject(value))->wrapped();
-    if (value.inherits<JSEventTarget>())
-        return &jsCast<JSEventTarget*>(asObject(value))->wrapped();
-    return nullptr;
-}
-
-std::unique_ptr<JSEventTargetWrapper> jsEventTargetCast(VM& vm, JSValue thisValue)
-{
-    if (auto* target = jsDynamicCast<JSEventTarget*>(thisValue))
-        return makeUnique<JSEventTargetWrapper>(target->wrapped(), *target);
-    // if (auto* window = toJSDOMGlobalObject<JSDOMWindow>(vm, thisValue))
-    //     return makeUnique<JSEventTargetWrapper>(window->wrapped(), *window);
-    // if (auto* scope = toJSDOMGlobalObject<JSWorkerGlobalScope>(vm, thisValue))
-    //     return makeUnique<JSEventTargetWrapper>(scope->wrapped(), *scope);
-    return nullptr;
-}
-
-template<typename Visitor>
-void JSEventTarget::visitAdditionalChildren(Visitor& visitor)
-{
-    wrapped().visitJSEventListeners(visitor);
-}
-
-DEFINE_VISIT_ADDITIONAL_CHILDREN(JSEventTarget);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSEventTargetCustom.h b/src/javascript/jsc/bindings/webcore/JSEventTargetCustom.h
deleted file mode 100644
index 9bbc58004..000000000
--- a/src/javascript/jsc/bindings/webcore/JSEventTargetCustom.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2016-2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMBinding.h"
-#include "JSDOMOperation.h"
-
-namespace WebCore {
-
-// Wrapper type for JSEventTarget's castedThis because JSDOMWindow and JSWorkerGlobalScope do not inherit JSEventTarget.
-class JSEventTargetWrapper {
-    WTF_MAKE_FAST_ALLOCATED;
-
-public:
-    JSEventTargetWrapper(EventTarget& wrapped, JSC::JSObject& wrapper)
-        : m_wrapped(wrapped)
-        , m_wrapper(wrapper)
-    {
-    }
-
-    EventTarget& wrapped() { return m_wrapped; }
-
-    operator JSC::JSObject&() { return m_wrapper; }
-
-private:
-    EventTarget& m_wrapped;
-    JSC::JSObject& m_wrapper;
-};
-
-std::unique_ptr<JSEventTargetWrapper> jsEventTargetCast(JSC::VM&, JSC::JSValue thisValue);
-
-template<> class IDLOperation<JSEventTarget> {
-public:
-    using ClassParameter = JSEventTargetWrapper*;
-    using Operation = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*, ClassParameter);
-
-    template<Operation operation, CastedThisErrorBehavior = CastedThisErrorBehavior::Throw>
-    static JSC::EncodedJSValue call(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char* operationName)
-    {
-        auto& vm = JSC::getVM(&lexicalGlobalObject);
-        auto throwScope = DECLARE_THROW_SCOPE(vm);
-
-        auto thisValue = callFrame.thisValue().toThis(&lexicalGlobalObject, JSC::ECMAMode::strict());
-        auto thisObject = jsEventTargetCast(vm, thisValue.isUndefinedOrNull() ? JSC::JSValue(&lexicalGlobalObject) : thisValue);
-        if (UNLIKELY(!thisObject))
-            return throwThisTypeError(lexicalGlobalObject, throwScope, "EventTarget", operationName);
-
-        auto& wrapped = thisObject->wrapped();
-
-        RELEASE_AND_RETURN(throwScope, (operation(&lexicalGlobalObject, &callFrame, thisObject.get())));
-    }
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSFetchHeaders.cpp b/src/javascript/jsc/bindings/webcore/JSFetchHeaders.cpp
deleted file mode 100644
index 8ea72b567..000000000
--- a/src/javascript/jsc/bindings/webcore/JSFetchHeaders.cpp
+++ /dev/null
@@ -1,502 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSFetchHeaders.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertRecord.h"
-#include "JSDOMConvertSequences.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMConvertUnion.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMIterator.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/BuiltinNames.h>
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSArray.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <variant>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-#include <wtf/Vector.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_append);
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_delete);
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_get);
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_has);
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_set);
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_entries);
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_keys);
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_values);
-static JSC_DECLARE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_forEach);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsFetchHeadersConstructor);
-
-class JSFetchHeadersPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSFetchHeadersPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSFetchHeadersPrototype* ptr = new (NotNull, JSC::allocateCell<JSFetchHeadersPrototype>(vm)) JSFetchHeadersPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSFetchHeadersPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSFetchHeadersPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSFetchHeadersPrototype, JSFetchHeadersPrototype::Base);
-
-using JSFetchHeadersDOMConstructor = JSDOMConstructor<JSFetchHeaders>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSFetchHeadersDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSFetchHeadersDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    EnsureStillAliveScope argument0 = callFrame->argument(0);
-    auto init = argument0.value().isUndefined() ? std::optional<Converter<IDLUnion<IDLSequence<IDLSequence<IDLByteString>>, IDLRecord<IDLByteString, IDLByteString>>>::ReturnType>() : std::optional<Converter<IDLUnion<IDLSequence<IDLSequence<IDLByteString>>, IDLRecord<IDLByteString, IDLByteString>>>::ReturnType>(convert<IDLUnion<IDLSequence<IDLSequence<IDLByteString>>, IDLRecord<IDLByteString, IDLByteString>>>(*lexicalGlobalObject, argument0.value()));
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = FetchHeaders::create(WTFMove(init));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<FetchHeaders>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<FetchHeaders>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSFetchHeadersDOMConstructorConstruct, JSFetchHeadersDOMConstructor::construct);
-
-template<> const ClassInfo JSFetchHeadersDOMConstructor::s_info = { "Headers"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSFetchHeadersDOMConstructor) };
-
-template<> JSValue JSFetchHeadersDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSFetchHeadersDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "Headers"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSFetchHeaders::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSFetchHeadersPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsFetchHeadersConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "append"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_append), (intptr_t)(2) } },
-    { "delete"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_delete), (intptr_t)(1) } },
-    { "get"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_get), (intptr_t)(1) } },
-    { "has"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_has), (intptr_t)(1) } },
-    { "set"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_set), (intptr_t)(2) } },
-    { "entries"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_entries), (intptr_t)(0) } },
-    { "keys"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_keys), (intptr_t)(0) } },
-    { "values"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_values), (intptr_t)(0) } },
-    { "forEach"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsFetchHeadersPrototypeFunction_forEach), (intptr_t)(1) } },
-};
-
-const ClassInfo JSFetchHeadersPrototype::s_info = { "Headers"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSFetchHeadersPrototype) };
-
-void JSFetchHeadersPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSFetchHeaders::info(), JSFetchHeadersPrototypeTableValues, *this);
-    putDirect(vm, vm.propertyNames->iteratorSymbol, getDirect(vm, vm.propertyNames->builtinNames().entriesPublicName()), static_cast<unsigned>(JSC::PropertyAttribute::DontEnum));
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSFetchHeaders::s_info = { "Headers"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSFetchHeaders) };
-
-JSFetchHeaders::JSFetchHeaders(Structure* structure, JSDOMGlobalObject& globalObject, Ref<FetchHeaders>&& impl)
-    : JSDOMWrapper<FetchHeaders>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSFetchHeaders::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, FetchHeaders>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSFetchHeaders::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSFetchHeadersPrototype::create(vm, &globalObject, JSFetchHeadersPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSFetchHeaders::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSFetchHeaders>(vm, globalObject);
-}
-
-JSValue JSFetchHeaders::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSFetchHeadersDOMConstructor, DOMConstructorID::FetchHeaders>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSFetchHeaders::destroy(JSC::JSCell* cell)
-{
-    JSFetchHeaders* thisObject = static_cast<JSFetchHeaders*>(cell);
-    thisObject->JSFetchHeaders::~JSFetchHeaders();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsFetchHeadersConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSFetchHeadersPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSFetchHeaders::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSC::EncodedJSValue jsFetchHeadersPrototypeFunction_appendBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSFetchHeaders>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 2))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLByteString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto value = convert<IDLByteString>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.append(WTFMove(name), WTFMove(value)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_append, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_appendBody>(*lexicalGlobalObject, *callFrame, "append");
-}
-
-static inline JSC::EncodedJSValue jsFetchHeadersPrototypeFunction_deleteBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSFetchHeaders>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLByteString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.remove(WTFMove(name)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_delete, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_deleteBody>(*lexicalGlobalObject, *callFrame, "delete");
-}
-
-static inline JSC::EncodedJSValue jsFetchHeadersPrototypeFunction_getBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSFetchHeaders>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLByteString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLNullable<IDLByteString>>(*lexicalGlobalObject, throwScope, impl.get(WTFMove(name)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_get, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_getBody>(*lexicalGlobalObject, *callFrame, "get");
-}
-
-static inline JSC::EncodedJSValue jsFetchHeadersPrototypeFunction_hasBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSFetchHeaders>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLByteString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLBoolean>(*lexicalGlobalObject, throwScope, impl.has(WTFMove(name)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_has, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_hasBody>(*lexicalGlobalObject, *callFrame, "has");
-}
-
-static inline JSC::EncodedJSValue jsFetchHeadersPrototypeFunction_setBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSFetchHeaders>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 2))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLByteString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto value = convert<IDLByteString>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.set(WTFMove(name), WTFMove(value)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_set, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_setBody>(*lexicalGlobalObject, *callFrame, "set");
-}
-
-struct FetchHeadersIteratorTraits {
-    static constexpr JSDOMIteratorType type = JSDOMIteratorType::Map;
-    using KeyType = IDLByteString;
-    using ValueType = IDLByteString;
-};
-
-using FetchHeadersIteratorBase = JSDOMIteratorBase<JSFetchHeaders, FetchHeadersIteratorTraits>;
-class FetchHeadersIterator final : public FetchHeadersIteratorBase {
-public:
-    using Base = FetchHeadersIteratorBase;
-    DECLARE_INFO;
-
-    template<typename, SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return WebCore::subspaceForImpl<FetchHeadersIterator, UseCustomHeapCellType::No>(
-            vm,
-            [](auto& spaces) { return spaces.m_clientSubspaceForFetchHeadersIterator.get(); },
-            [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForFetchHeadersIterator = WTFMove(space); },
-            [](auto& spaces) { return spaces.m_subspaceForFetchHeadersIterator.get(); },
-            [](auto& spaces, auto&& space) { spaces.m_subspaceForFetchHeadersIterator = WTFMove(space); });
-    }
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-    static FetchHeadersIterator* create(JSC::VM& vm, JSC::Structure* structure, JSFetchHeaders& iteratedObject, IterationKind kind)
-    {
-        auto* instance = new (NotNull, JSC::allocateCell<FetchHeadersIterator>(vm)) FetchHeadersIterator(structure, iteratedObject, kind);
-        instance->finishCreation(vm);
-        return instance;
-    }
-
-private:
-    FetchHeadersIterator(JSC::Structure* structure, JSFetchHeaders& iteratedObject, IterationKind kind)
-        : Base(structure, iteratedObject, kind)
-    {
-    }
-};
-
-using FetchHeadersIteratorPrototype = JSDOMIteratorPrototype<JSFetchHeaders, FetchHeadersIteratorTraits>;
-JSC_ANNOTATE_HOST_FUNCTION(FetchHeadersIteratorPrototypeNext, FetchHeadersIteratorPrototype::next);
-
-template<>
-const JSC::ClassInfo FetchHeadersIteratorBase::s_info = { "Headers Iterator"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(FetchHeadersIteratorBase) };
-const JSC::ClassInfo FetchHeadersIterator::s_info = { "Headers Iterator"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(FetchHeadersIterator) };
-
-template<>
-const JSC::ClassInfo FetchHeadersIteratorPrototype::s_info = { "Headers Iterator"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(FetchHeadersIteratorPrototype) };
-
-static inline EncodedJSValue jsFetchHeadersPrototypeFunction_entriesCaller(JSGlobalObject*, CallFrame*, JSFetchHeaders* thisObject)
-{
-    return JSValue::encode(iteratorCreate<FetchHeadersIterator>(*thisObject, IterationKind::Entries));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_entries, (JSC::JSGlobalObject * lexicalGlobalObject, JSC::CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_entriesCaller>(*lexicalGlobalObject, *callFrame, "entries");
-}
-
-static inline EncodedJSValue jsFetchHeadersPrototypeFunction_keysCaller(JSGlobalObject*, CallFrame*, JSFetchHeaders* thisObject)
-{
-    return JSValue::encode(iteratorCreate<FetchHeadersIterator>(*thisObject, IterationKind::Keys));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_keys, (JSC::JSGlobalObject * lexicalGlobalObject, JSC::CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_keysCaller>(*lexicalGlobalObject, *callFrame, "keys");
-}
-
-static inline EncodedJSValue jsFetchHeadersPrototypeFunction_valuesCaller(JSGlobalObject*, CallFrame*, JSFetchHeaders* thisObject)
-{
-    return JSValue::encode(iteratorCreate<FetchHeadersIterator>(*thisObject, IterationKind::Values));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_values, (JSC::JSGlobalObject * lexicalGlobalObject, JSC::CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_valuesCaller>(*lexicalGlobalObject, *callFrame, "values");
-}
-
-static inline EncodedJSValue jsFetchHeadersPrototypeFunction_forEachCaller(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame, JSFetchHeaders* thisObject)
-{
-    return JSValue::encode(iteratorForEach<FetchHeadersIterator>(*lexicalGlobalObject, *callFrame, *thisObject));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsFetchHeadersPrototypeFunction_forEach, (JSC::JSGlobalObject * lexicalGlobalObject, JSC::CallFrame* callFrame))
-{
-    return IDLOperation<JSFetchHeaders>::call<jsFetchHeadersPrototypeFunction_forEachCaller>(*lexicalGlobalObject, *callFrame, "forEach");
-}
-
-JSC::GCClient::IsoSubspace* JSFetchHeaders::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSFetchHeaders, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForFetchHeaders.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForFetchHeaders = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForFetchHeaders.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForFetchHeaders = WTFMove(space); });
-}
-
-void JSFetchHeaders::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSFetchHeaders*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSFetchHeadersOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSFetchHeadersOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsFetchHeaders = static_cast<JSFetchHeaders*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsFetchHeaders->wrapped(), jsFetchHeaders);
-}
-
-#if ENABLE(BINDING_INTEGRITY)
-#if PLATFORM(WIN)
-#pragma warning(disable : 4483)
-extern "C" {
-extern void (*const __identifier("??_7FetchHeaders@WebCore@@6B@")[])();
-}
-#else
-extern "C" {
-extern void* _ZTVN7WebCore12FetchHeadersE[];
-}
-#endif
-#endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<FetchHeaders>&& impl)
-{
-
-    if constexpr (std::is_polymorphic_v<FetchHeaders>) {
-#if ENABLE(BINDING_INTEGRITY)
-        const void* actualVTablePointer = getVTablePointer(impl.ptr());
-#if PLATFORM(WIN)
-        void* expectedVTablePointer = __identifier("??_7FetchHeaders@WebCore@@6B@");
-#else
-        void* expectedVTablePointer = &_ZTVN7WebCore12FetchHeadersE[2];
-#endif
-
-        // If you hit this assertion you either have a use after free bug, or
-        // FetchHeaders has subclasses. If FetchHeaders has subclasses that get passed
-        // to toJS() we currently require FetchHeaders you to opt out of binding hardening
-        // by adding the SkipVTableValidation attribute to the interface IDL definition
-        RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-#endif
-    }
-    return createWrapper<FetchHeaders>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, FetchHeaders& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-FetchHeaders* JSFetchHeaders::toWrapped(JSC::VM& vm, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSFetchHeaders*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSFetchHeaders.dep b/src/javascript/jsc/bindings/webcore/JSFetchHeaders.dep
deleted file mode 100644
index e553164bd..000000000
--- a/src/javascript/jsc/bindings/webcore/JSFetchHeaders.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSFetchHeaders.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSFetchHeaders.h b/src/javascript/jsc/bindings/webcore/JSFetchHeaders.h
deleted file mode 100644
index 4761e3a66..000000000
--- a/src/javascript/jsc/bindings/webcore/JSFetchHeaders.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "FetchHeaders.h"
-#include "JSDOMWrapper.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSFetchHeaders : public JSDOMWrapper<FetchHeaders> {
-public:
-    using Base = JSDOMWrapper<FetchHeaders>;
-    static JSFetchHeaders* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<FetchHeaders>&& impl)
-    {
-        JSFetchHeaders* ptr = new (NotNull, JSC::allocateCell<JSFetchHeaders>(globalObject->vm())) JSFetchHeaders(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static FetchHeaders* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-protected:
-    JSFetchHeaders(JSC::Structure*, JSDOMGlobalObject&, Ref<FetchHeaders>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSFetchHeadersOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, FetchHeaders*)
-{
-    static NeverDestroyed<JSFetchHeadersOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(FetchHeaders* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, FetchHeaders&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, FetchHeaders* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<FetchHeaders>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<FetchHeaders>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<FetchHeaders> {
-    using WrapperClass = JSFetchHeaders;
-    using ToWrappedReturnType = FetchHeaders*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSMessageEvent.cpp b/src/javascript/jsc/bindings/webcore/JSMessageEvent.cpp
deleted file mode 100644
index ef0a1093d..000000000
--- a/src/javascript/jsc/bindings/webcore/JSMessageEvent.cpp
+++ /dev/null
@@ -1,521 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSMessageEvent.h"
-#include "JavaScriptCore/ObjectConstructor.h"
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertSequences.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMConvertUnion.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-// #include "JSMessagePort.h"
-#include "JSServiceWorker.h"
-#include "JSWindowProxy.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSArray.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <variant>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-template<> MessageEvent::Init convertDictionary<MessageEvent::Init>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    MessageEvent::Init result;
-    JSValue bubblesValue;
-    if (isNullOrUndefined)
-        bubblesValue = jsUndefined();
-    else {
-        bubblesValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "bubbles"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!bubblesValue.isUndefined()) {
-        result.bubbles = convert<IDLBoolean>(lexicalGlobalObject, bubblesValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.bubbles = false;
-    JSValue cancelableValue;
-    if (isNullOrUndefined)
-        cancelableValue = jsUndefined();
-    else {
-        cancelableValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "cancelable"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!cancelableValue.isUndefined()) {
-        result.cancelable = convert<IDLBoolean>(lexicalGlobalObject, cancelableValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.cancelable = false;
-    JSValue composedValue;
-    if (isNullOrUndefined)
-        composedValue = jsUndefined();
-    else {
-        composedValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "composed"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!composedValue.isUndefined()) {
-        result.composed = convert<IDLBoolean>(lexicalGlobalObject, composedValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.composed = false;
-    JSValue dataValue;
-    if (isNullOrUndefined)
-        dataValue = jsUndefined();
-    else {
-        dataValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "data"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!dataValue.isUndefined()) {
-        result.data = convert<IDLAny>(lexicalGlobalObject, dataValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.data = jsNull();
-    JSValue lastEventIdValue;
-    if (isNullOrUndefined)
-        lastEventIdValue = jsUndefined();
-    else {
-        lastEventIdValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "lastEventId"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!lastEventIdValue.isUndefined()) {
-        result.lastEventId = convert<IDLDOMString>(lexicalGlobalObject, lastEventIdValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.lastEventId = emptyString();
-    JSValue originValue;
-    if (isNullOrUndefined)
-        originValue = jsUndefined();
-    else {
-        originValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "origin"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!originValue.isUndefined()) {
-        result.origin = convert<IDLUSVString>(lexicalGlobalObject, originValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    } else
-        result.origin = emptyString();
-    // JSValue portsValue;
-    // if (isNullOrUndefined)
-    //     portsValue = jsUndefined();
-    // else {
-    //     portsValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "ports"_s));
-    //     RETURN_IF_EXCEPTION(throwScope, { });
-    // }
-    // if (!portsValue.isUndefined()) {
-    //     result.ports = convert<IDLSequence<IDLInterface<MessagePort>>>(lexicalGlobalObject, portsValue);
-    //     RETURN_IF_EXCEPTION(throwScope, { });
-    // } else
-    //     result.ports = Converter<IDLSequence<IDLInterface<MessagePort>>>::ReturnType{ };
-    JSValue sourceValue;
-    if (isNullOrUndefined)
-        sourceValue = jsUndefined();
-    else {
-        sourceValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "source"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    // if (!sourceValue.isUndefined()) {
-    //     result.source = convert<IDLNullable<IDLUnion<IDLInterface<WindowProxy>, IDLInterface<MessagePort>, IDLInterface<ServiceWorker>>>>(lexicalGlobalObject, sourceValue);
-    //     RETURN_IF_EXCEPTION(throwScope, {});
-    // } else
-    result.source = std::nullopt;
-    return result;
-}
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsMessageEventPrototypeFunction_initMessageEvent);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsMessageEventConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsMessageEvent_origin);
-static JSC_DECLARE_CUSTOM_GETTER(jsMessageEvent_lastEventId);
-static JSC_DECLARE_CUSTOM_GETTER(jsMessageEvent_source);
-static JSC_DECLARE_CUSTOM_GETTER(jsMessageEvent_data);
-static JSC_DECLARE_CUSTOM_GETTER(jsMessageEvent_ports);
-
-class JSMessageEventPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSMessageEventPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSMessageEventPrototype* ptr = new (NotNull, JSC::allocateCell<JSMessageEventPrototype>(vm)) JSMessageEventPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSMessageEventPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSMessageEventPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSMessageEventPrototype, JSMessageEventPrototype::Base);
-
-using JSMessageEventDOMConstructor = JSDOMConstructor<JSMessageEvent>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSMessageEventDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSMessageEventDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto eventInitDict = convert<IDLDictionary<MessageEvent::Init>>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = MessageEvent::create(WTFMove(type), WTFMove(eventInitDict));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<MessageEvent>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<MessageEvent>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSMessageEventDOMConstructorConstruct, JSMessageEventDOMConstructor::construct);
-
-template<> const ClassInfo JSMessageEventDOMConstructor::s_info = { "MessageEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageEventDOMConstructor) };
-
-template<> JSValue JSMessageEventDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    return JSEvent::getConstructor(vm, &globalObject);
-}
-
-template<> void JSMessageEventDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "MessageEvent"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSMessageEvent::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSMessageEventPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsMessageEventConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "origin"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsMessageEvent_origin), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "lastEventId"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsMessageEvent_lastEventId), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "source"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsMessageEvent_source), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "data"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsMessageEvent_data), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "ports"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsMessageEvent_ports), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "initMessageEvent"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsMessageEventPrototypeFunction_initMessageEvent), (intptr_t)(1) } },
-};
-
-const ClassInfo JSMessageEventPrototype::s_info = { "MessageEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageEventPrototype) };
-
-void JSMessageEventPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSMessageEvent::info(), JSMessageEventPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSMessageEvent::s_info = { "MessageEvent"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageEvent) };
-
-JSMessageEvent::JSMessageEvent(Structure* structure, JSDOMGlobalObject& globalObject, Ref<MessageEvent>&& impl)
-    : JSEvent(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSMessageEvent::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, MessageEvent>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-
-    vm.heap.reportExtraMemoryAllocated(wrapped().memoryCost());
-}
-
-JSObject* JSMessageEvent::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSMessageEventPrototype::create(vm, &globalObject, JSMessageEventPrototype::createStructure(vm, &globalObject, JSEvent::prototype(vm, globalObject)));
-}
-
-JSObject* JSMessageEvent::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSMessageEvent>(vm, globalObject);
-}
-
-JSValue JSMessageEvent::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSMessageEventDOMConstructor, DOMConstructorID::MessageEvent>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsMessageEventConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSMessageEventPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSMessageEvent::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsMessageEvent_originGetter(JSGlobalObject& lexicalGlobalObject, JSMessageEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.origin())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsMessageEvent_origin, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSMessageEvent>::get<jsMessageEvent_originGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsMessageEvent_lastEventIdGetter(JSGlobalObject& lexicalGlobalObject, JSMessageEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLDOMString>(lexicalGlobalObject, throwScope, impl.lastEventId())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsMessageEvent_lastEventId, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSMessageEvent>::get<jsMessageEvent_lastEventIdGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsMessageEvent_sourceGetter(JSGlobalObject& lexicalGlobalObject, JSMessageEvent& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    return lexicalGlobalObject.globalThis();
-    // auto throwScope = DECLARE_THROW_SCOPE(vm);
-    // auto& impl = thisObject.wrapped();
-    // RELEASE_AND_RETURN(throwScope, (toJS<IDLNullable<IDLUnion<IDLInterface<WindowProxy>, IDLInterface<MessagePort>, IDLInterface<ServiceWorker>>>>(lexicalGlobalObject, *thisObject.globalObject(), throwScope, impl.source())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsMessageEvent_source, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSMessageEvent>::get<jsMessageEvent_sourceGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsMessageEvent_dataGetter(JSGlobalObject& lexicalGlobalObject, JSMessageEvent& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    return thisObject.data(lexicalGlobalObject);
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsMessageEvent_data, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSMessageEvent>::get<jsMessageEvent_dataGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsMessageEvent_portsGetter(JSGlobalObject& lexicalGlobalObject, JSMessageEvent& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    // TODO:
-    return JSArray::create(lexicalGlobalObject.vm(), lexicalGlobalObject.arrayStructureForIndexingTypeDuringAllocation(ArrayWithContiguous), 0);
-    // return thisObject.ports(lexicalGlobalObject);
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsMessageEvent_ports, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSMessageEvent>::get<jsMessageEvent_portsGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsMessageEventPrototypeFunction_initMessageEventBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSMessageEvent>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto type = convert<IDLAtomStringAdaptor<IDLDOMString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto bubbles = convert<IDLBoolean>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument2 = callFrame->argument(2);
-    auto cancelable = convert<IDLBoolean>(*lexicalGlobalObject, argument2.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument3 = callFrame->argument(3);
-    auto data = argument3.value().isUndefined() ? jsNull() : convert<IDLAny>(*lexicalGlobalObject, argument3.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument4 = callFrame->argument(4);
-    auto originArg = argument4.value().isUndefined() ? emptyString() : convert<IDLUSVString>(*lexicalGlobalObject, argument4.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument5 = callFrame->argument(5);
-    auto lastEventId = argument5.value().isUndefined() ? emptyString() : convert<IDLDOMString>(*lexicalGlobalObject, argument5.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument6 = callFrame->argument(6);
-    auto source = WebCore::MessageEventSource();
-    // RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    // EnsureStillAliveScope argument7 = callFrame->argument(7);
-    // auto messagePorts = JSArray::create(lexicalGlobalObject.vm(), lexicalGlobalObject->arrayStructureForIndexingTypeDuringAllocation(ArrayWithContiguous), 0);
-    // auto messagePorts = Converter<IDLSequence<IDLInterface<MessagePort>>>::ReturnType {};
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    // RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.initMessageEvent(WTFMove(type), WTFMove(bubbles), WTFMove(cancelable), WTFMove(data), WTFMove(originArg), WTFMove(lastEventId), WTFMove(source), WTFMove(messagePorts)); })));
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.initMessageEvent(WTFMove(type), WTFMove(bubbles), WTFMove(cancelable), WTFMove(data), WTFMove(originArg), WTFMove(lastEventId), WTFMove(source)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsMessageEventPrototypeFunction_initMessageEvent, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSMessageEvent>::call<jsMessageEventPrototypeFunction_initMessageEventBody>(*lexicalGlobalObject, *callFrame, "initMessageEvent");
-}
-
-JSC::GCClient::IsoSubspace* JSMessageEvent::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSMessageEvent, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForMessageEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForMessageEvent = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForMessageEvent.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForMessageEvent = WTFMove(space); });
-}
-
-template<typename Visitor>
-void JSMessageEvent::visitChildrenImpl(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSMessageEvent*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-    visitor.reportExtraMemoryVisited(thisObject->wrapped().memoryCost());
-}
-
-DEFINE_VISIT_CHILDREN(JSMessageEvent);
-
-template<typename Visitor>
-void JSMessageEvent::visitOutputConstraints(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSMessageEvent*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitOutputConstraints(thisObject, visitor);
-    thisObject->visitAdditionalChildren(visitor);
-}
-
-template void JSMessageEvent::visitOutputConstraints(JSCell*, AbstractSlotVisitor&);
-template void JSMessageEvent::visitOutputConstraints(JSCell*, SlotVisitor&);
-size_t JSMessageEvent::estimatedSize(JSCell* cell, VM& vm)
-{
-    auto* thisObject = jsCast<JSMessageEvent*>(cell);
-    return Base::estimatedSize(thisObject, vm) + thisObject->wrapped().memoryCost();
-}
-
-void JSMessageEvent::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSMessageEvent*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-#if ENABLE(BINDING_INTEGRITY)
-#if PLATFORM(WIN)
-#pragma warning(disable : 4483)
-extern "C" {
-extern void (*const __identifier("??_7MessageEvent@WebCore@@6B@")[])();
-}
-#else
-extern "C" {
-extern void* _ZTVN7WebCore12MessageEventE[];
-}
-#endif
-#endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<MessageEvent>&& impl)
-{
-
-    if constexpr (std::is_polymorphic_v<MessageEvent>) {
-#if ENABLE(BINDING_INTEGRITY)
-        const void* actualVTablePointer = getVTablePointer(impl.ptr());
-#if PLATFORM(WIN)
-        void* expectedVTablePointer = __identifier("??_7MessageEvent@WebCore@@6B@");
-#else
-        void* expectedVTablePointer = &_ZTVN7WebCore12MessageEventE[2];
-#endif
-
-        // If you hit this assertion you either have a use after free bug, or
-        // MessageEvent has subclasses. If MessageEvent has subclasses that get passed
-        // to toJS() we currently require MessageEvent you to opt out of binding hardening
-        // by adding the SkipVTableValidation attribute to the interface IDL definition
-        RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-#endif
-    }
-    return createWrapper<MessageEvent>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, MessageEvent& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSMessageEvent.dep b/src/javascript/jsc/bindings/webcore/JSMessageEvent.dep
deleted file mode 100644
index da20f76fa..000000000
--- a/src/javascript/jsc/bindings/webcore/JSMessageEvent.dep
+++ /dev/null
@@ -1,3 +0,0 @@
-JSMessageEvent.h : Event.idl EventInit.idl
-Event.idl :
-EventInit.idl :
diff --git a/src/javascript/jsc/bindings/webcore/JSMessageEvent.h b/src/javascript/jsc/bindings/webcore/JSMessageEvent.h
deleted file mode 100644
index 85424d9ec..000000000
--- a/src/javascript/jsc/bindings/webcore/JSMessageEvent.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMConvertDictionary.h"
-#include "JSDOMWrapper.h"
-#include "JSEvent.h"
-#include "MessageEvent.h"
-
-namespace WebCore {
-
-class JSMessageEvent : public JSEvent {
-public:
-    using Base = JSEvent;
-    using DOMWrapped = MessageEvent;
-    static JSMessageEvent* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<MessageEvent>&& impl)
-    {
-        JSMessageEvent* ptr = new (NotNull, JSC::allocateCell<JSMessageEvent>(globalObject->vm())) JSMessageEvent(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static size_t estimatedSize(JSCell*, JSC::VM&);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::JSType(JSEventType), StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    DECLARE_VISIT_CHILDREN;
-    template<typename Visitor> void visitAdditionalChildren(Visitor&);
-
-    template<typename Visitor> static void visitOutputConstraints(JSCell*, Visitor&);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-    // Custom attributes
-    JSC::JSValue data(JSC::JSGlobalObject&) const;
-    JSC::JSValue ports(JSC::JSGlobalObject&) const;
-    MessageEvent& wrapped() const
-    {
-        return static_cast<MessageEvent&>(Base::wrapped());
-    }
-protected:
-    JSMessageEvent(JSC::Structure*, JSDOMGlobalObject&, Ref<MessageEvent>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, MessageEvent&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, MessageEvent* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<MessageEvent>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<MessageEvent>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<MessageEvent> {
-    using WrapperClass = JSMessageEvent;
-    using ToWrappedReturnType = MessageEvent*;
-};
-template<> MessageEvent::Init convertDictionary<MessageEvent::Init>(JSC::JSGlobalObject&, JSC::JSValue);
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSMessageEventCustom.cpp b/src/javascript/jsc/bindings/webcore/JSMessageEventCustom.cpp
deleted file mode 100644
index 66390f86b..000000000
--- a/src/javascript/jsc/bindings/webcore/JSMessageEventCustom.cpp
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- * Copyright (C) 2009-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSMessageEvent.h"
-
-// #include "JSBlob.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConvert.h"
-#include "JSDOMWindow.h"
-#include "JSEventTarget.h"
-// #include "JSMessagePort.h"
-#include <JavaScriptCore/JSArray.h>
-#include <JavaScriptCore/JSArrayBuffer.h>
-
-namespace WebCore {
-
-JSC::JSValue JSMessageEvent::ports(JSC::JSGlobalObject& lexicalGlobalObject) const
-{
-    return JSC::jsUndefined();
-}
-//     auto throwScope = DECLARE_THROW_SCOPE(lexicalGlobalObject.vm());
-//     return cachedPropertyValue(lexicalGlobalObject, *this, wrapped().cachedPorts(), [&] {
-//         JSC::JSValue ports = toJS<IDLFrozenArray<IDLInterface<MessagePort>>>(lexicalGlobalObject, *globalObject(), throwScope, wrapped().ports());
-//         return ports;
-//     });
-// }
-
-JSC::JSValue JSMessageEvent::data(JSC::JSGlobalObject& lexicalGlobalObject) const
-{
-    return cachedPropertyValue(lexicalGlobalObject, *this, wrapped().cachedData(), [this, &lexicalGlobalObject] {
-        return WTF::switchOn(
-            wrapped().data(), [this](MessageEvent::JSValueTag) -> JSC::JSValue { return wrapped().jsData().getValue(JSC::jsNull()); },
-            // [this, &lexicalGlobalObject](const Ref<SerializedScriptValue>& data) {
-            // // FIXME: Is it best to handle errors by returning null rather than throwing an exception?
-            // return data->deserialize(lexicalGlobalObject, globalObject(), wrapped().ports(), SerializationErrorMode::NonThrowing); },
-            [&lexicalGlobalObject](const String& data) { return toJS<IDLDOMString>(lexicalGlobalObject, data); },
-            // [this, &lexicalGlobalObject](const Ref<Blob>& data) { return toJS<IDLInterface<Blob>>(lexicalGlobalObject, *globalObject(), data); },
-            [this, &lexicalGlobalObject](const Ref<ArrayBuffer>& data) { return toJS<IDLInterface<ArrayBuffer>>(lexicalGlobalObject, *globalObject(), data); });
-    });
-}
-
-template<typename Visitor>
-void JSMessageEvent::visitAdditionalChildren(Visitor& visitor)
-{
-    wrapped().jsData().visit(visitor);
-    wrapped().cachedData().visit(visitor);
-    wrapped().cachedPorts().visit(visitor);
-}
-
-DEFINE_VISIT_ADDITIONAL_CHILDREN(JSMessageEvent);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.cpp b/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.cpp
deleted file mode 100644
index 7f151188f..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.cpp
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSReadableByteStreamController.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ReadableByteStreamControllerBuiltins.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsReadableByteStreamControllerConstructor);
-
-class JSReadableByteStreamControllerPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSReadableByteStreamControllerPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSReadableByteStreamControllerPrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableByteStreamControllerPrototype>(vm)) JSReadableByteStreamControllerPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableByteStreamControllerPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSReadableByteStreamControllerPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableByteStreamControllerPrototype, JSReadableByteStreamControllerPrototype::Base);
-
-using JSReadableByteStreamControllerDOMConstructor = JSDOMBuiltinConstructor<JSReadableByteStreamController>;
-
-template<> const ClassInfo JSReadableByteStreamControllerDOMConstructor::s_info = { "ReadableByteStreamController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableByteStreamControllerDOMConstructor) };
-
-template<> JSValue JSReadableByteStreamControllerDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSReadableByteStreamControllerDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(3), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "ReadableByteStreamController"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSReadableByteStreamController::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSReadableByteStreamControllerDOMConstructor::initializeExecutable(VM& vm)
-{
-    return readableByteStreamControllerInitializeReadableByteStreamControllerCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSReadableByteStreamControllerPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsReadableByteStreamControllerConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "byobRequest"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableByteStreamControllerByobRequestCodeGenerator), (intptr_t) (0) } },
-    { "desiredSize"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableByteStreamControllerDesiredSizeCodeGenerator), (intptr_t) (0) } },
-    { "enqueue"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableByteStreamControllerEnqueueCodeGenerator), (intptr_t) (0) } },
-    { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableByteStreamControllerCloseCodeGenerator), (intptr_t) (0) } },
-    { "error"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableByteStreamControllerErrorCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSReadableByteStreamControllerPrototype::s_info = { "ReadableByteStreamController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableByteStreamControllerPrototype) };
-
-void JSReadableByteStreamControllerPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSReadableByteStreamController::info(), JSReadableByteStreamControllerPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSReadableByteStreamController::s_info = { "ReadableByteStreamController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableByteStreamController) };
-
-JSReadableByteStreamController::JSReadableByteStreamController(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSReadableByteStreamController::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSReadableByteStreamController::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSReadableByteStreamControllerPrototype::create(vm, &globalObject, JSReadableByteStreamControllerPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSReadableByteStreamController::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSReadableByteStreamController>(vm, globalObject);
-}
-
-JSValue JSReadableByteStreamController::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSReadableByteStreamControllerDOMConstructor, DOMConstructorID::ReadableByteStreamController>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSReadableByteStreamController::destroy(JSC::JSCell* cell)
-{
-    JSReadableByteStreamController* thisObject = static_cast<JSReadableByteStreamController*>(cell);
-    thisObject->JSReadableByteStreamController::~JSReadableByteStreamController();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsReadableByteStreamControllerConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSReadableByteStreamControllerPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSReadableByteStreamController::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSReadableByteStreamController::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSReadableByteStreamController, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForReadableByteStreamController.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForReadableByteStreamController = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForReadableByteStreamController.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForReadableByteStreamController = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.dep b/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.dep
deleted file mode 100644
index 605eb3e4a..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSReadableByteStreamController.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.h b/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.h
deleted file mode 100644
index 6d512aaed..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableByteStreamController.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSReadableByteStreamController : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSReadableByteStreamController* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSReadableByteStreamController* ptr = new (NotNull, JSC::allocateCell<JSReadableByteStreamController>(globalObject->vm())) JSReadableByteStreamController(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSReadableByteStreamController(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStream.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStream.cpp
deleted file mode 100644
index 7934bf004..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStream.cpp
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSReadableStream.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ReadableStreamBuiltins.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsReadableStreamConstructor);
-
-class JSReadableStreamPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSReadableStreamPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSReadableStreamPrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamPrototype>(vm)) JSReadableStreamPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSReadableStreamPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamPrototype, JSReadableStreamPrototype::Base);
-
-using JSReadableStreamDOMConstructor = JSDOMBuiltinConstructor<JSReadableStream>;
-
-template<> const ClassInfo JSReadableStreamDOMConstructor::s_info = { "ReadableStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamDOMConstructor) };
-
-template<> JSValue JSReadableStreamDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSReadableStreamDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "ReadableStream"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSReadableStream::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSReadableStreamDOMConstructor::initializeExecutable(VM& vm)
-{
-    return readableStreamInitializeReadableStreamCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSReadableStreamPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsReadableStreamConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "locked"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamLockedCodeGenerator), (intptr_t)(0) } },
-    { "cancel"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamCancelCodeGenerator), (intptr_t)(0) } },
-    { "getReader"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamGetReaderCodeGenerator), (intptr_t)(0) } },
-    { "pipeTo"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamPipeToCodeGenerator), (intptr_t)(1) } },
-    { "pipeThrough"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamPipeThroughCodeGenerator), (intptr_t)(2) } },
-    { "tee"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamTeeCodeGenerator), (intptr_t)(0) } },
-};
-
-const ClassInfo JSReadableStreamPrototype::s_info = { "ReadableStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamPrototype) };
-
-void JSReadableStreamPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    auto clientData = WebCore::clientData(vm);
-    this->putDirect(vm, clientData->builtinNames().bunNativePtrPrivateName(), jsNumber(0), JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete | 0);
-    this->putDirect(vm, clientData->builtinNames().bunNativeTypePrivateName(), jsNumber(0), JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete | 0);
-    reifyStaticProperties(vm, JSReadableStream::info(), JSReadableStreamPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSReadableStream::s_info = { "ReadableStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStream) };
-
-JSReadableStream::JSReadableStream(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject)
-{
-}
-
-void JSReadableStream::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-}
-
-JSObject* JSReadableStream::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSReadableStreamPrototype::create(vm, &globalObject, JSReadableStreamPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSReadableStream::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSReadableStream>(vm, globalObject);
-}
-
-JSValue JSReadableStream::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSReadableStreamDOMConstructor, DOMConstructorID::ReadableStream>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSReadableStream::destroy(JSC::JSCell* cell)
-{
-    JSReadableStream* thisObject = static_cast<JSReadableStream*>(cell);
-    thisObject->JSReadableStream::~JSReadableStream();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsReadableStreamConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSReadableStreamPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSReadableStream::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSReadableStream::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSReadableStream, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForReadableStream.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForReadableStream = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForReadableStream.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForReadableStream = WTFMove(space); });
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStream.dep b/src/javascript/jsc/bindings/webcore/JSReadableStream.dep
deleted file mode 100644
index f4ea48d43..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStream.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSReadableStream.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStream.h b/src/javascript/jsc/bindings/webcore/JSReadableStream.h
deleted file mode 100644
index 137efe15d..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStream.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSReadableStream : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSReadableStream* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSReadableStream* ptr = new (NotNull, JSC::allocateCell<JSReadableStream>(globalObject->vm())) JSReadableStream(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-
-protected:
-    JSReadableStream(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.cpp
deleted file mode 100644
index e6e5b7743..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSReadableStreamBYOBReader.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ReadableStreamBYOBReaderBuiltins.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsReadableStreamBYOBReaderConstructor);
-
-class JSReadableStreamBYOBReaderPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSReadableStreamBYOBReaderPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSReadableStreamBYOBReaderPrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamBYOBReaderPrototype>(vm)) JSReadableStreamBYOBReaderPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamBYOBReaderPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSReadableStreamBYOBReaderPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamBYOBReaderPrototype, JSReadableStreamBYOBReaderPrototype::Base);
-
-using JSReadableStreamBYOBReaderDOMConstructor = JSDOMBuiltinConstructor<JSReadableStreamBYOBReader>;
-
-template<> const ClassInfo JSReadableStreamBYOBReaderDOMConstructor::s_info = { "ReadableStreamBYOBReader"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamBYOBReaderDOMConstructor) };
-
-template<> JSValue JSReadableStreamBYOBReaderDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSReadableStreamBYOBReaderDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "ReadableStreamBYOBReader"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSReadableStreamBYOBReader::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSReadableStreamBYOBReaderDOMConstructor::initializeExecutable(VM& vm)
-{
-    return readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSReadableStreamBYOBReaderPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsReadableStreamBYOBReaderConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "closed"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableStreamBYOBReaderClosedCodeGenerator), (intptr_t) (0) } },
-    { "read"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableStreamBYOBReaderReadCodeGenerator), (intptr_t) (0) } },
-    { "cancel"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableStreamBYOBReaderCancelCodeGenerator), (intptr_t) (0) } },
-    { "releaseLock"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableStreamBYOBReaderReleaseLockCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSReadableStreamBYOBReaderPrototype::s_info = { "ReadableStreamBYOBReader"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamBYOBReaderPrototype) };
-
-void JSReadableStreamBYOBReaderPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSReadableStreamBYOBReader::info(), JSReadableStreamBYOBReaderPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSReadableStreamBYOBReader::s_info = { "ReadableStreamBYOBReader"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamBYOBReader) };
-
-JSReadableStreamBYOBReader::JSReadableStreamBYOBReader(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSReadableStreamBYOBReader::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSReadableStreamBYOBReader::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSReadableStreamBYOBReaderPrototype::create(vm, &globalObject, JSReadableStreamBYOBReaderPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSReadableStreamBYOBReader::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSReadableStreamBYOBReader>(vm, globalObject);
-}
-
-JSValue JSReadableStreamBYOBReader::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSReadableStreamBYOBReaderDOMConstructor, DOMConstructorID::ReadableStreamBYOBReader>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSReadableStreamBYOBReader::destroy(JSC::JSCell* cell)
-{
-    JSReadableStreamBYOBReader* thisObject = static_cast<JSReadableStreamBYOBReader*>(cell);
-    thisObject->JSReadableStreamBYOBReader::~JSReadableStreamBYOBReader();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsReadableStreamBYOBReaderConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSReadableStreamBYOBReaderPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSReadableStreamBYOBReader::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSReadableStreamBYOBReader::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSReadableStreamBYOBReader, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForReadableStreamBYOBReader.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForReadableStreamBYOBReader = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForReadableStreamBYOBReader.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForReadableStreamBYOBReader = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.dep b/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.dep
deleted file mode 100644
index 1acef694c..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSReadableStreamBYOBReader.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.h b/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.h
deleted file mode 100644
index 8d69390ae..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBReader.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSReadableStreamBYOBReader : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSReadableStreamBYOBReader* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSReadableStreamBYOBReader* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamBYOBReader>(globalObject->vm())) JSReadableStreamBYOBReader(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSReadableStreamBYOBReader(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.cpp
deleted file mode 100644
index 0b3dec469..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.cpp
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSReadableStreamBYOBRequest.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ReadableStreamBYOBRequestBuiltins.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsReadableStreamBYOBRequestConstructor);
-
-class JSReadableStreamBYOBRequestPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSReadableStreamBYOBRequestPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSReadableStreamBYOBRequestPrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamBYOBRequestPrototype>(vm)) JSReadableStreamBYOBRequestPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamBYOBRequestPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSReadableStreamBYOBRequestPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamBYOBRequestPrototype, JSReadableStreamBYOBRequestPrototype::Base);
-
-using JSReadableStreamBYOBRequestDOMConstructor = JSDOMBuiltinConstructor<JSReadableStreamBYOBRequest>;
-
-template<> const ClassInfo JSReadableStreamBYOBRequestDOMConstructor::s_info = { "ReadableStreamBYOBRequest"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamBYOBRequestDOMConstructor) };
-
-template<> JSValue JSReadableStreamBYOBRequestDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSReadableStreamBYOBRequestDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(2), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "ReadableStreamBYOBRequest"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSReadableStreamBYOBRequest::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSReadableStreamBYOBRequestDOMConstructor::initializeExecutable(VM& vm)
-{
-    return readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSReadableStreamBYOBRequestPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsReadableStreamBYOBRequestConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "view"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableStreamBYOBRequestViewCodeGenerator), (intptr_t) (0) } },
-    { "respond"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableStreamBYOBRequestRespondCodeGenerator), (intptr_t) (0) } },
-    { "respondWithNewView"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(readableStreamBYOBRequestRespondWithNewViewCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSReadableStreamBYOBRequestPrototype::s_info = { "ReadableStreamBYOBRequest"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamBYOBRequestPrototype) };
-
-void JSReadableStreamBYOBRequestPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSReadableStreamBYOBRequest::info(), JSReadableStreamBYOBRequestPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSReadableStreamBYOBRequest::s_info = { "ReadableStreamBYOBRequest"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamBYOBRequest) };
-
-JSReadableStreamBYOBRequest::JSReadableStreamBYOBRequest(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSReadableStreamBYOBRequest::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSReadableStreamBYOBRequest::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSReadableStreamBYOBRequestPrototype::create(vm, &globalObject, JSReadableStreamBYOBRequestPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSReadableStreamBYOBRequest::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSReadableStreamBYOBRequest>(vm, globalObject);
-}
-
-JSValue JSReadableStreamBYOBRequest::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSReadableStreamBYOBRequestDOMConstructor, DOMConstructorID::ReadableStreamBYOBRequest>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSReadableStreamBYOBRequest::destroy(JSC::JSCell* cell)
-{
-    JSReadableStreamBYOBRequest* thisObject = static_cast<JSReadableStreamBYOBRequest*>(cell);
-    thisObject->JSReadableStreamBYOBRequest::~JSReadableStreamBYOBRequest();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsReadableStreamBYOBRequestConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSReadableStreamBYOBRequestPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSReadableStreamBYOBRequest::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSReadableStreamBYOBRequest::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSReadableStreamBYOBRequest, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForReadableStreamBYOBRequest.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForReadableStreamBYOBRequest = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForReadableStreamBYOBRequest.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForReadableStreamBYOBRequest = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.dep b/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.dep
deleted file mode 100644
index 12e0f602d..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSReadableStreamBYOBRequest.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.h b/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.h
deleted file mode 100644
index 39f18c229..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamBYOBRequest.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSReadableStreamBYOBRequest : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSReadableStreamBYOBRequest* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSReadableStreamBYOBRequest* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamBYOBRequest>(globalObject->vm())) JSReadableStreamBYOBRequest(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSReadableStreamBYOBRequest(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.cpp
deleted file mode 100644
index c914cf022..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSReadableStreamDefaultController.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ReadableStreamDefaultControllerBuiltins.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsReadableStreamDefaultControllerConstructor);
-
-class JSReadableStreamDefaultControllerPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSReadableStreamDefaultControllerPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSReadableStreamDefaultControllerPrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamDefaultControllerPrototype>(vm)) JSReadableStreamDefaultControllerPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamDefaultControllerPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSReadableStreamDefaultControllerPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamDefaultControllerPrototype, JSReadableStreamDefaultControllerPrototype::Base);
-
-using JSReadableStreamDefaultControllerDOMConstructor = JSDOMBuiltinConstructor<JSReadableStreamDefaultController>;
-
-template<> const ClassInfo JSReadableStreamDefaultControllerDOMConstructor::s_info = { "ReadableStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamDefaultControllerDOMConstructor) };
-
-template<> JSValue JSReadableStreamDefaultControllerDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSReadableStreamDefaultControllerDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(4), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "ReadableStreamDefaultController"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSReadableStreamDefaultController::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSReadableStreamDefaultControllerDOMConstructor::initializeExecutable(VM& vm)
-{
-    return readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSReadableStreamDefaultControllerPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsReadableStreamDefaultControllerConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "desiredSize"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultControllerDesiredSizeCodeGenerator), (intptr_t)(0) } },
-    { "enqueue"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultControllerEnqueueCodeGenerator), (intptr_t)(0) } },
-    { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultControllerCloseCodeGenerator), (intptr_t)(0) } },
-    { "error"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultControllerErrorCodeGenerator), (intptr_t)(0) } },
-};
-
-const ClassInfo JSReadableStreamDefaultControllerPrototype::s_info = { "ReadableStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamDefaultControllerPrototype) };
-
-void JSReadableStreamDefaultControllerPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSReadableStreamDefaultController::info(), JSReadableStreamDefaultControllerPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-
-    auto clientData = WebCore::clientData(vm);
-    this->putDirect(vm, clientData->builtinNames().sinkPublicName(), jsUndefined(), JSC::PropertyAttribute::DontDelete | 0);
-}
-
-const ClassInfo JSReadableStreamDefaultController::s_info = { "ReadableStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamDefaultController) };
-
-JSReadableStreamDefaultController::JSReadableStreamDefaultController(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject)
-{
-}
-
-void JSReadableStreamDefaultController::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-}
-
-JSObject* JSReadableStreamDefaultController::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSReadableStreamDefaultControllerPrototype::create(vm, &globalObject, JSReadableStreamDefaultControllerPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSReadableStreamDefaultController::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSReadableStreamDefaultController>(vm, globalObject);
-}
-
-JSValue JSReadableStreamDefaultController::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSReadableStreamDefaultControllerDOMConstructor, DOMConstructorID::ReadableStreamDefaultController>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSReadableStreamDefaultController::destroy(JSC::JSCell* cell)
-{
-    JSReadableStreamDefaultController* thisObject = static_cast<JSReadableStreamDefaultController*>(cell);
-    thisObject->JSReadableStreamDefaultController::~JSReadableStreamDefaultController();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsReadableStreamDefaultControllerConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSReadableStreamDefaultControllerPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSReadableStreamDefaultController::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSReadableStreamDefaultController::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSReadableStreamDefaultController, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForReadableStreamDefaultController.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForReadableStreamDefaultController = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForReadableStreamDefaultController.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForReadableStreamDefaultController = WTFMove(space); });
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.dep b/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.dep
deleted file mode 100644
index 3e3e1cd15..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSReadableStreamDefaultController.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.h b/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.h
deleted file mode 100644
index a38c95daf..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultController.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSReadableStreamDefaultController : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSReadableStreamDefaultController* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSReadableStreamDefaultController* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamDefaultController>(globalObject->vm())) JSReadableStreamDefaultController(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSReadableStreamDefaultController(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.cpp
deleted file mode 100644
index d1080c17e..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSReadableStreamDefaultReader.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ReadableStreamDefaultReaderBuiltins.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsReadableStreamDefaultReaderConstructor);
-
-class JSReadableStreamDefaultReaderPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSReadableStreamDefaultReaderPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSReadableStreamDefaultReaderPrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamDefaultReaderPrototype>(vm)) JSReadableStreamDefaultReaderPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamDefaultReaderPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSReadableStreamDefaultReaderPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamDefaultReaderPrototype, JSReadableStreamDefaultReaderPrototype::Base);
-
-using JSReadableStreamDefaultReaderDOMConstructor = JSDOMBuiltinConstructor<JSReadableStreamDefaultReader>;
-
-template<> const ClassInfo JSReadableStreamDefaultReaderDOMConstructor::s_info = { "ReadableStreamDefaultReader"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamDefaultReaderDOMConstructor) };
-
-template<> JSValue JSReadableStreamDefaultReaderDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSReadableStreamDefaultReaderDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "ReadableStreamDefaultReader"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSReadableStreamDefaultReader::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSReadableStreamDefaultReaderDOMConstructor::initializeExecutable(VM& vm)
-{
-    return readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSReadableStreamDefaultReaderPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsReadableStreamDefaultReaderConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "closed"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultReaderClosedCodeGenerator), (intptr_t)(0) } },
-    { "read"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultReaderReadCodeGenerator), (intptr_t)(0) } },
-    { "readMany"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultReaderReadManyCodeGenerator), (intptr_t)(0) } },
-    { "cancel"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultReaderCancelCodeGenerator), (intptr_t)(0) } },
-    { "releaseLock"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t) static_cast<BuiltinGenerator>(readableStreamDefaultReaderReleaseLockCodeGenerator), (intptr_t)(0) } },
-};
-
-const ClassInfo JSReadableStreamDefaultReaderPrototype::s_info = { "ReadableStreamDefaultReader"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamDefaultReaderPrototype) };
-
-void JSReadableStreamDefaultReaderPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSReadableStreamDefaultReader::info(), JSReadableStreamDefaultReaderPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSReadableStreamDefaultReader::s_info = { "ReadableStreamDefaultReader"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamDefaultReader) };
-
-JSReadableStreamDefaultReader::JSReadableStreamDefaultReader(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject)
-{
-}
-
-void JSReadableStreamDefaultReader::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-}
-
-JSObject* JSReadableStreamDefaultReader::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSReadableStreamDefaultReaderPrototype::create(vm, &globalObject, JSReadableStreamDefaultReaderPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSReadableStreamDefaultReader::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSReadableStreamDefaultReader>(vm, globalObject);
-}
-
-JSValue JSReadableStreamDefaultReader::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSReadableStreamDefaultReaderDOMConstructor, DOMConstructorID::ReadableStreamDefaultReader>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSReadableStreamDefaultReader::destroy(JSC::JSCell* cell)
-{
-    JSReadableStreamDefaultReader* thisObject = static_cast<JSReadableStreamDefaultReader*>(cell);
-    thisObject->JSReadableStreamDefaultReader::~JSReadableStreamDefaultReader();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsReadableStreamDefaultReaderConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSReadableStreamDefaultReaderPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSReadableStreamDefaultReader::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSReadableStreamDefaultReader::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSReadableStreamDefaultReader, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForReadableStreamDefaultReader.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForReadableStreamDefaultReader = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForReadableStreamDefaultReader.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForReadableStreamDefaultReader = WTFMove(space); });
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.dep b/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.dep
deleted file mode 100644
index 466ee5c61..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSReadableStreamDefaultReader.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.h b/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.h
deleted file mode 100644
index 61a4d1336..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamDefaultReader.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSReadableStreamDefaultReader : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSReadableStreamDefaultReader* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSReadableStreamDefaultReader* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamDefaultReader>(globalObject->vm())) JSReadableStreamDefaultReader(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSReadableStreamDefaultReader(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.cpp
deleted file mode 100644
index 2fd819460..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.cpp
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSReadableStreamSink.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBufferSource.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMConvertUnion.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <variant>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsReadableStreamSinkPrototypeFunction_enqueue);
-static JSC_DECLARE_HOST_FUNCTION(jsReadableStreamSinkPrototypeFunction_close);
-static JSC_DECLARE_HOST_FUNCTION(jsReadableStreamSinkPrototypeFunction_error);
-
-class JSReadableStreamSinkPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSReadableStreamSinkPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSReadableStreamSinkPrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamSinkPrototype>(vm)) JSReadableStreamSinkPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamSinkPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSReadableStreamSinkPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamSinkPrototype, JSReadableStreamSinkPrototype::Base);
-
-/* Hash table for prototype */
-
-static const HashTableValue JSReadableStreamSinkPrototypeTableValues[] = {
-    { "enqueue"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsReadableStreamSinkPrototypeFunction_enqueue), (intptr_t)(1) } },
-    { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsReadableStreamSinkPrototypeFunction_close), (intptr_t)(0) } },
-    { "error"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsReadableStreamSinkPrototypeFunction_error), (intptr_t)(1) } },
-};
-
-const ClassInfo JSReadableStreamSinkPrototype::s_info = { "ReadableStreamSink"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamSinkPrototype) };
-
-void JSReadableStreamSinkPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSReadableStreamSink::info(), JSReadableStreamSinkPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSReadableStreamSink::s_info = { "ReadableStreamSink"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamSink) };
-
-JSReadableStreamSink::JSReadableStreamSink(Structure* structure, JSDOMGlobalObject& globalObject, Ref<ReadableStreamSink>&& impl)
-    : JSDOMWrapper<ReadableStreamSink>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSReadableStreamSink::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, ReadableStreamSink>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSReadableStreamSink::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSReadableStreamSinkPrototype::create(vm, &globalObject, JSReadableStreamSinkPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSReadableStreamSink::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSReadableStreamSink>(vm, globalObject);
-}
-
-void JSReadableStreamSink::destroy(JSC::JSCell* cell)
-{
-    JSReadableStreamSink* thisObject = static_cast<JSReadableStreamSink*>(cell);
-    thisObject->JSReadableStreamSink::~JSReadableStreamSink();
-}
-
-static inline JSC::EncodedJSValue jsReadableStreamSinkPrototypeFunction_enqueueBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSReadableStreamSink>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto chunk = convert<IDLUnion<IDLArrayBufferView, IDLArrayBuffer>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.enqueue(WTFMove(chunk)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsReadableStreamSinkPrototypeFunction_enqueue, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSReadableStreamSink>::call<jsReadableStreamSinkPrototypeFunction_enqueueBody>(*lexicalGlobalObject, *callFrame, "enqueue");
-}
-
-static inline JSC::EncodedJSValue jsReadableStreamSinkPrototypeFunction_closeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSReadableStreamSink>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.close(); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsReadableStreamSinkPrototypeFunction_close, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSReadableStreamSink>::call<jsReadableStreamSinkPrototypeFunction_closeBody>(*lexicalGlobalObject, *callFrame, "close");
-}
-
-static inline JSC::EncodedJSValue jsReadableStreamSinkPrototypeFunction_errorBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSReadableStreamSink>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto message = convert<IDLDOMString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.error(WTFMove(message)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsReadableStreamSinkPrototypeFunction_error, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSReadableStreamSink>::call<jsReadableStreamSinkPrototypeFunction_errorBody>(*lexicalGlobalObject, *callFrame, "error");
-}
-
-JSC::GCClient::IsoSubspace* JSReadableStreamSink::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSReadableStreamSink, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForReadableStreamSink.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForReadableStreamSink = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForReadableStreamSink.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForReadableStreamSink = WTFMove(space); });
-}
-
-void JSReadableStreamSink::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSReadableStreamSink*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSReadableStreamSinkOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSReadableStreamSinkOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsReadableStreamSink = static_cast<JSReadableStreamSink*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsReadableStreamSink->wrapped(), jsReadableStreamSink);
-}
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<ReadableStreamSink>&& impl)
-{
-    return createWrapper<ReadableStreamSink>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, ReadableStreamSink& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-ReadableStreamSink* JSReadableStreamSink::toWrapped(JSC::VM&, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSReadableStreamSink*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.dep b/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.dep
deleted file mode 100644
index 9c5594686..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSReadableStreamSink.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.h b/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.h
deleted file mode 100644
index 83fa457ad..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamSink.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-#include "ReadableStreamSink.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSReadableStreamSink : public JSDOMWrapper<ReadableStreamSink> {
-public:
-    using Base = JSDOMWrapper<ReadableStreamSink>;
-    static JSReadableStreamSink* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<ReadableStreamSink>&& impl)
-    {
-        JSReadableStreamSink* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamSink>(globalObject->vm())) JSReadableStreamSink(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static ReadableStreamSink* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-protected:
-    JSReadableStreamSink(JSC::Structure*, JSDOMGlobalObject&, Ref<ReadableStreamSink>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSReadableStreamSinkOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, ReadableStreamSink*)
-{
-    static NeverDestroyed<JSReadableStreamSinkOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(ReadableStreamSink* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, ReadableStreamSink&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, ReadableStreamSink* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<ReadableStreamSink>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<ReadableStreamSink>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<ReadableStreamSink> {
-    using WrapperClass = JSReadableStreamSink;
-    using ToWrappedReturnType = ReadableStreamSink*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.cpp
deleted file mode 100644
index af62fd511..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.cpp
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSReadableStreamSource.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMOperation.h"
-#include "JSDOMOperationReturningPromise.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsReadableStreamSourcePrototypeFunction_start);
-static JSC_DECLARE_HOST_FUNCTION(jsReadableStreamSourcePrototypeFunction_pull);
-static JSC_DECLARE_HOST_FUNCTION(jsReadableStreamSourcePrototypeFunction_cancel);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsReadableStreamSource_controller);
-
-class JSReadableStreamSourcePrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSReadableStreamSourcePrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSReadableStreamSourcePrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamSourcePrototype>(vm)) JSReadableStreamSourcePrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamSourcePrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSReadableStreamSourcePrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSReadableStreamSourcePrototype, JSReadableStreamSourcePrototype::Base);
-
-/* Hash table for prototype */
-
-static const HashTableValue JSReadableStreamSourcePrototypeTableValues[] = {
-    { "controller"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsReadableStreamSource_controller), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "start"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsReadableStreamSourcePrototypeFunction_start), (intptr_t)(1) } },
-    { "pull"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsReadableStreamSourcePrototypeFunction_pull), (intptr_t)(1) } },
-    { "cancel"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsReadableStreamSourcePrototypeFunction_cancel), (intptr_t)(1) } },
-};
-
-const ClassInfo JSReadableStreamSourcePrototype::s_info = { "ReadableStreamSource"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamSourcePrototype) };
-
-void JSReadableStreamSourcePrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    // -- BUN ADDITION --
-    auto clientData = WebCore::clientData(vm);
-    this->putDirect(vm, clientData->builtinNames().bunNativePtrPrivateName(), jsNumber(0), JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete | 0);
-    this->putDirect(vm, clientData->builtinNames().bunNativeTypePrivateName(), jsNumber(0), JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete | 0);
-    // -- BUN ADDITION --
-
-    reifyStaticProperties(vm, JSReadableStreamSource::info(), JSReadableStreamSourcePrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSReadableStreamSource::s_info = { "ReadableStreamSource"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSReadableStreamSource) };
-
-JSReadableStreamSource::JSReadableStreamSource(Structure* structure, JSDOMGlobalObject& globalObject, Ref<ReadableStreamSource>&& impl)
-    : JSDOMWrapper<ReadableStreamSource>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSReadableStreamSource::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, ReadableStreamSource>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSReadableStreamSource::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSReadableStreamSourcePrototype::create(vm, &globalObject, JSReadableStreamSourcePrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSReadableStreamSource::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSReadableStreamSource>(vm, globalObject);
-}
-
-void JSReadableStreamSource::destroy(JSC::JSCell* cell)
-{
-    JSReadableStreamSource* thisObject = static_cast<JSReadableStreamSource*>(cell);
-    thisObject->JSReadableStreamSource::~JSReadableStreamSource();
-}
-
-static inline JSValue jsReadableStreamSource_controllerGetter(JSGlobalObject& lexicalGlobalObject, JSReadableStreamSource& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    return thisObject.controller(lexicalGlobalObject);
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsReadableStreamSource_controller, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSReadableStreamSource>::get<jsReadableStreamSource_controllerGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsReadableStreamSourcePrototypeFunction_startBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperationReturningPromise<JSReadableStreamSource>::ClassParameter castedThis, Ref<DeferredPromise>&& promise)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    RELEASE_AND_RETURN(throwScope, (JSValue::encode(castedThis->start(*lexicalGlobalObject, *callFrame, WTFMove(promise)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsReadableStreamSourcePrototypeFunction_start, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperationReturningPromise<JSReadableStreamSource>::call<jsReadableStreamSourcePrototypeFunction_startBody>(*lexicalGlobalObject, *callFrame, "start");
-}
-
-static inline JSC::EncodedJSValue jsReadableStreamSourcePrototypeFunction_pullBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperationReturningPromise<JSReadableStreamSource>::ClassParameter castedThis, Ref<DeferredPromise>&& promise)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    RELEASE_AND_RETURN(throwScope, (JSValue::encode(castedThis->pull(*lexicalGlobalObject, *callFrame, WTFMove(promise)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsReadableStreamSourcePrototypeFunction_pull, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperationReturningPromise<JSReadableStreamSource>::call<jsReadableStreamSourcePrototypeFunction_pullBody>(*lexicalGlobalObject, *callFrame, "pull");
-}
-
-static inline JSC::EncodedJSValue jsReadableStreamSourcePrototypeFunction_cancelBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSReadableStreamSource>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto reason = convert<IDLAny>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.cancel(WTFMove(reason)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsReadableStreamSourcePrototypeFunction_cancel, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSReadableStreamSource>::call<jsReadableStreamSourcePrototypeFunction_cancelBody>(*lexicalGlobalObject, *callFrame, "cancel");
-}
-
-JSC::GCClient::IsoSubspace* JSReadableStreamSource::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSReadableStreamSource, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForReadableStreamSource.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForReadableStreamSource = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForReadableStreamSource.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForReadableStreamSource = WTFMove(space); });
-}
-
-template<typename Visitor>
-void JSReadableStreamSource::visitChildrenImpl(JSCell* cell, Visitor& visitor)
-{
-    auto* thisObject = jsCast<JSReadableStreamSource*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    Base::visitChildren(thisObject, visitor);
-    visitor.append(thisObject->m_controller);
-}
-
-DEFINE_VISIT_CHILDREN(JSReadableStreamSource);
-
-void JSReadableStreamSource::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSReadableStreamSource*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSReadableStreamSourceOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSReadableStreamSourceOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsReadableStreamSource = static_cast<JSReadableStreamSource*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsReadableStreamSource->wrapped(), jsReadableStreamSource);
-}
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<ReadableStreamSource>&& impl)
-{
-    return createWrapper<ReadableStreamSource>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, ReadableStreamSource& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-ReadableStreamSource* JSReadableStreamSource::toWrapped(JSC::VM&, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSReadableStreamSource*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.dep b/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.dep
deleted file mode 100644
index f459688e5..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSReadableStreamSource.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.h b/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.h
deleted file mode 100644
index 4a7fec950..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamSource.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-#include "ReadableStreamSource.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSReadableStreamSource : public JSDOMWrapper<ReadableStreamSource> {
-public:
-    using Base = JSDOMWrapper<ReadableStreamSource>;
-    static JSReadableStreamSource* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<ReadableStreamSource>&& impl)
-    {
-        JSReadableStreamSource* ptr = new (NotNull, JSC::allocateCell<JSReadableStreamSource>(globalObject->vm())) JSReadableStreamSource(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static ReadableStreamSource* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    mutable JSC::WriteBarrier<JSC::Unknown> m_controller;
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    DECLARE_VISIT_CHILDREN;
-
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-    // Custom attributes
-    JSC::JSValue controller(JSC::JSGlobalObject&) const;
-
-    // Custom functions
-    JSC::JSValue start(JSC::JSGlobalObject&, JSC::CallFrame&, Ref<DeferredPromise>&&);
-    JSC::JSValue pull(JSC::JSGlobalObject&, JSC::CallFrame&, Ref<DeferredPromise>&&);
-protected:
-    JSReadableStreamSource(JSC::Structure*, JSDOMGlobalObject&, Ref<ReadableStreamSource>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSReadableStreamSourceOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, ReadableStreamSource*)
-{
-    static NeverDestroyed<JSReadableStreamSourceOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(ReadableStreamSource* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, ReadableStreamSource&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, ReadableStreamSource* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<ReadableStreamSource>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<ReadableStreamSource>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<ReadableStreamSource> {
-    using WrapperClass = JSReadableStreamSource;
-    using ToWrappedReturnType = ReadableStreamSource*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSReadableStreamSourceCustom.cpp b/src/javascript/jsc/bindings/webcore/JSReadableStreamSourceCustom.cpp
deleted file mode 100644
index 476c0f852..000000000
--- a/src/javascript/jsc/bindings/webcore/JSReadableStreamSourceCustom.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2016 Canon Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Canon Inc. nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "JSReadableStreamSource.h"
-
-#include "JSDOMPromiseDeferred.h"
-
-namespace WebCore {
-using namespace JSC;
-
-JSValue JSReadableStreamSource::start(JSGlobalObject& lexicalGlobalObject, CallFrame& callFrame, Ref<DeferredPromise>&& promise)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    
-    // FIXME: Why is it ok to ASSERT the argument count here?
-    ASSERT(callFrame.argumentCount());
-    JSReadableStreamDefaultController* controller = jsDynamicCast<JSReadableStreamDefaultController*>(callFrame.uncheckedArgument(0));
-    ASSERT(controller);
-
-    m_controller.set(vm, this, controller);
-
-    wrapped().start(ReadableStreamDefaultController(controller), WTFMove(promise));
-
-    return jsUndefined();
-}
-
-JSValue JSReadableStreamSource::pull(JSGlobalObject&, CallFrame&, Ref<DeferredPromise>&& promise)
-{
-    wrapped().pull(WTFMove(promise));
-    return jsUndefined();
-}
-
-JSValue JSReadableStreamSource::controller(JSGlobalObject&) const
-{
-    ASSERT_NOT_REACHED();
-    return jsUndefined();
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSServiceWorker.h b/src/javascript/jsc/bindings/webcore/JSServiceWorker.h
deleted file mode 100644
index d067d0b5a..000000000
--- a/src/javascript/jsc/bindings/webcore/JSServiceWorker.h
+++ /dev/null
@@ -1 +0,0 @@
-// stub
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSTextEncoder.cpp b/src/javascript/jsc/bindings/webcore/JSTextEncoder.cpp
deleted file mode 100644
index c12c94d56..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTextEncoder.cpp
+++ /dev/null
@@ -1,423 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "root.h"
-
-#include "JSTextEncoder.h"
-
-#include "JavaScriptCore/JavaScript.h"
-#include "JavaScriptCore/APICast.h"
-
-#include "JavaScriptCore/FunctionPrototype.h"
-#include "JavaScriptCore/HeapAnalyzer.h"
-#include "JavaScriptCore/JSDestructibleObjectHeapCellType.h"
-#include "JavaScriptCore/ObjectConstructor.h"
-#include "JavaScriptCore/SlotVisitorMacros.h"
-#include "JavaScriptCore/SubspaceInlines.h"
-#include "wtf/GetPtr.h"
-#include "wtf/PointerPreparations.h"
-#include "wtf/URL.h"
-// #include "JavaScriptCore/JSTypedArrays.h"
-
-#include "GCDefferalContext.h"
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-// #include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-// #include "JSDOMConvertBufferSource.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertStrings.h"
-// #include "JSDOMExceptionHandling.h"
-// #include "JSDOMGlobalObject.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-// #include "ScriptExecutionContext.h"
-// #include "WebCoreJSClientData.h"
-
-namespace WebCore {
-using namespace JSC;
-
-template<> TextEncoder::EncodeIntoResult convertDictionary<TextEncoder::EncodeIntoResult>(JSGlobalObject& lexicalGlobalObject, JSValue value)
-{
-    VM& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    bool isNullOrUndefined = value.isUndefinedOrNull();
-    auto* object = isNullOrUndefined ? nullptr : value.getObject();
-    if (UNLIKELY(!isNullOrUndefined && !object)) {
-        throwTypeError(&lexicalGlobalObject, throwScope);
-        return {};
-    }
-    TextEncoder::EncodeIntoResult result;
-    JSValue readValue;
-    if (isNullOrUndefined)
-        readValue = jsUndefined();
-    else {
-        readValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "read"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!readValue.isUndefined()) {
-        result.read = convert<IDLUnsignedLongLong>(lexicalGlobalObject, readValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    JSValue writtenValue;
-    if (isNullOrUndefined)
-        writtenValue = jsUndefined();
-    else {
-        writtenValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "written"_s));
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    if (!writtenValue.isUndefined()) {
-        result.written = convert<IDLUnsignedLongLong>(lexicalGlobalObject, writtenValue);
-        RETURN_IF_EXCEPTION(throwScope, {});
-    }
-    return result;
-}
-
-JSC::JSObject* convertDictionaryToJS(JSC::JSGlobalObject& lexicalGlobalObject, JSDOMGlobalObject& globalObject, const TextEncoder::EncodeIntoResult& dictionary)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-
-    auto result = constructEmptyObject(&lexicalGlobalObject, globalObject.objectPrototype());
-
-    if (!IDLUnsignedLongLong::isNullValue(dictionary.read)) {
-        auto readValue = toJS<IDLUnsignedLongLong>(lexicalGlobalObject, throwScope, IDLUnsignedLongLong::extractValueFromNullable(dictionary.read));
-        RETURN_IF_EXCEPTION(throwScope, {});
-        result->putDirect(vm, JSC::Identifier::fromString(vm, "read"_s), readValue);
-    }
-    if (!IDLUnsignedLongLong::isNullValue(dictionary.written)) {
-        auto writtenValue = toJS<IDLUnsignedLongLong>(lexicalGlobalObject, throwScope, IDLUnsignedLongLong::extractValueFromNullable(dictionary.written));
-        RETURN_IF_EXCEPTION(throwScope, {});
-        result->putDirect(vm, JSC::Identifier::fromString(vm, "written"_s), writtenValue);
-    }
-    return result;
-}
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsTextEncoderPrototypeFunction_encode);
-static JSC_DECLARE_HOST_FUNCTION(jsTextEncoderPrototypeFunction_encodeInto);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsTextEncoderConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsTextEncoder_encoding);
-
-class JSTextEncoderPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSTextEncoderPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSTextEncoderPrototype* ptr = new (NotNull, JSC::allocateCell<JSTextEncoderPrototype>(vm)) JSTextEncoderPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSTextEncoderPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSTextEncoderPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSTextEncoderPrototype, JSTextEncoderPrototype::Base);
-
-using JSTextEncoderDOMConstructor = JSDOMConstructor<JSTextEncoder>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSTextEncoderDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSTextEncoderDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    auto object = TextEncoder::create();
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<TextEncoder>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<TextEncoder>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSTextEncoderDOMConstructorConstruct, JSTextEncoderDOMConstructor::construct);
-
-template<> const ClassInfo JSTextEncoderDOMConstructor::s_info = { "TextEncoder"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTextEncoderDOMConstructor) };
-
-template<> JSValue JSTextEncoderDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSTextEncoderDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "TextEncoder"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSTextEncoder::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSTextEncoderPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsTextEncoderConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "encoding"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsTextEncoder_encoding), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "encode"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsTextEncoderPrototypeFunction_encode), (intptr_t)(0) } },
-    { "encodeInto"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsTextEncoderPrototypeFunction_encodeInto), (intptr_t)(2) } },
-};
-
-const ClassInfo JSTextEncoderPrototype::s_info = { "TextEncoder"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTextEncoderPrototype) };
-
-void JSTextEncoderPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSTextEncoder::info(), JSTextEncoderPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSTextEncoder::s_info = { "TextEncoder"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTextEncoder) };
-
-JSTextEncoder::JSTextEncoder(Structure* structure, JSDOMGlobalObject& globalObject, Ref<TextEncoder>&& impl)
-    : JSDOMWrapper<TextEncoder>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSTextEncoder::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, TextEncoder>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSTextEncoder::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSTextEncoderPrototype::create(vm, &globalObject, JSTextEncoderPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSTextEncoder::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSTextEncoder>(vm, globalObject);
-}
-
-JSValue JSTextEncoder::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSTextEncoderDOMConstructor, DOMConstructorID::TextEncoder>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSTextEncoder::destroy(JSC::JSCell* cell)
-{
-    JSTextEncoder* thisObject = static_cast<JSTextEncoder*>(cell);
-    thisObject->JSTextEncoder::~JSTextEncoder();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsTextEncoderConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSTextEncoderPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSTextEncoder::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsTextEncoder_encodingGetter(JSGlobalObject& lexicalGlobalObject, JSTextEncoder& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLDOMString>(lexicalGlobalObject, throwScope, impl.encoding())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsTextEncoder_encoding, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSTextEncoder>::get<jsTextEncoder_encodingGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-extern "C" JSC::EncodedJSValue TextEncoder__encode(JSC::JSGlobalObject* lexicalGlobalObject, const ZigString*);
-extern "C" JSC::EncodedJSValue TextEncoder__encodeInto(JSC::JSGlobalObject* lexicalGlobalObject, const ZigString*, void* ptr, size_t len);
-extern "C" JSC::EncodedJSValue TextEncoder__encodeRopeString(JSC::JSGlobalObject* lexicalGlobalObject, JSC::JSString* str);
-
-static inline JSC::EncodedJSValue jsTextEncoderPrototypeFunction_encodeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSTextEncoder>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    EnsureStillAliveScope argument0 = callFrame->argument(0);
-    JSC::JSString* input = argument0.value().toStringOrNull(lexicalGlobalObject);
-    if (input && input->is8Bit() && input->isRope()) {
-        auto encodedValue = TextEncoder__encodeRopeString(lexicalGlobalObject, input);
-        if (!JSC::JSValue::decode(encodedValue).isUndefined()) {
-            RELEASE_AND_RETURN(throwScope, encodedValue);
-        }
-    }
-
-    auto str = Zig::toZigString(input->tryGetValue(lexicalGlobalObject));
-    auto res = TextEncoder__encode(lexicalGlobalObject, &str);
-    if (UNLIKELY(JSC::JSValue::decode(res).isObject() && JSC::JSValue::decode(res).getObject()->isErrorInstance())) {
-        throwScope.throwException(lexicalGlobalObject, JSC::JSValue::decode(res));
-        return encodedJSValue();
-    }
-    RELEASE_AND_RETURN(throwScope, res);
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsTextEncoderPrototypeFunction_encode, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSTextEncoder>::call<jsTextEncoderPrototypeFunction_encodeBody>(*lexicalGlobalObject, *callFrame, "encode");
-}
-
-static inline JSC::EncodedJSValue jsTextEncoderPrototypeFunction_encodeIntoBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSTextEncoder>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 2))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto source = argument0.value().toWTFString(lexicalGlobalObject);
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto* destination = JSC::jsDynamicCast<JSC::JSUint8Array*>(argument1.value());
-    if (!destination) {
-        throwVMTypeError(lexicalGlobalObject, throwScope, "Expected Uint8Array"_s);
-        return encodedJSValue();
-    }
-
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto str = Zig::toZigString(WTFMove(source));
-    auto res = TextEncoder__encodeInto(lexicalGlobalObject, &str, destination->vector(), destination->length());
-    if (UNLIKELY(JSC::JSValue::decode(res).isObject() && JSC::JSValue::decode(res).getObject()->isErrorInstance())) {
-        throwScope.throwException(lexicalGlobalObject, JSC::JSValue::decode(res));
-        return encodedJSValue();
-    }
-
-    RELEASE_AND_RETURN(throwScope, res);
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsTextEncoderPrototypeFunction_encodeInto, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSTextEncoder>::call<jsTextEncoderPrototypeFunction_encodeIntoBody>(*lexicalGlobalObject, *callFrame, "encodeInto");
-}
-
-JSC::GCClient::IsoSubspace* JSTextEncoder::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSTextEncoder, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForTextEncoder.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForTextEncoder = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForTextEncoder.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForTextEncoder = WTFMove(space); });
-}
-
-void JSTextEncoder::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSTextEncoder*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSTextEncoderOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSTextEncoderOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsTextEncoder = static_cast<JSTextEncoder*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsTextEncoder->wrapped(), jsTextEncoder);
-}
-
-#if ENABLE(BINDING_INTEGRITY)
-#if PLATFORM(WIN)
-#pragma warning(disable : 4483)
-extern "C" {
-extern void (*const __identifier("??_7TextEncoder@WebCore@@6B@")[])();
-}
-#else
-extern "C" {
-extern void* _ZTVN7WebCore11TextEncoderE[];
-}
-#endif
-#endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<TextEncoder>&& impl)
-{
-
-    if constexpr (std::is_polymorphic_v<TextEncoder>) {
-#if ENABLE(BINDING_INTEGRITY)
-        const void* actualVTablePointer = getVTablePointer(impl.ptr());
-#if PLATFORM(WIN)
-        void* expectedVTablePointer = __identifier("??_7TextEncoder@WebCore@@6B@");
-#else
-        void* expectedVTablePointer = &_ZTVN7WebCore11TextEncoderE[2];
-#endif
-
-        // If you hit this assertion you either have a use after free bug, or
-        // TextEncoder has subclasses. If TextEncoder has subclasses that get passed
-        // to toJS() we currently require TextEncoder you to opt out of binding hardening
-        // by adding the SkipVTableValidation attribute to the interface IDL definition
-        RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-#endif
-    }
-    return createWrapper<TextEncoder>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, TextEncoder& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-TextEncoder* JSTextEncoder::toWrapped(JSC::VM&, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSTextEncoder*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSTextEncoder.dep b/src/javascript/jsc/bindings/webcore/JSTextEncoder.dep
deleted file mode 100644
index bdb1dfb7c..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTextEncoder.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSTextEncoder.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSTextEncoder.h b/src/javascript/jsc/bindings/webcore/JSTextEncoder.h
deleted file mode 100644
index e37b96256..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTextEncoder.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "root.h"
-
-#include "JSDOMConvertDictionary.h"
-#include "JSDOMWrapper.h"
-#include "TextEncoder.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSTextEncoder : public JSDOMWrapper<TextEncoder> {
-public:
-    using Base = JSDOMWrapper<TextEncoder>;
-    static JSTextEncoder* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<TextEncoder>&& impl)
-    {
-        JSTextEncoder* ptr = new (NotNull, JSC::allocateCell<JSTextEncoder>(globalObject->vm())) JSTextEncoder(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static TextEncoder* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-protected:
-    JSTextEncoder(JSC::Structure*, JSDOMGlobalObject&, Ref<TextEncoder>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSTextEncoderOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, TextEncoder*)
-{
-    static NeverDestroyed<JSTextEncoderOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(TextEncoder* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, TextEncoder&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, TextEncoder* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<TextEncoder>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<TextEncoder>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<TextEncoder> {
-    using WrapperClass = JSTextEncoder;
-    using ToWrappedReturnType = TextEncoder*;
-};
-template<> TextEncoder::EncodeIntoResult convertDictionary<TextEncoder::EncodeIntoResult>(JSC::JSGlobalObject&, JSC::JSValue);
-
-JSC::JSObject* convertDictionaryToJS(JSC::JSGlobalObject&, JSDOMGlobalObject&, const TextEncoder::EncodeIntoResult&);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSTransformStream.cpp b/src/javascript/jsc/bindings/webcore/JSTransformStream.cpp
deleted file mode 100644
index 68b9c4dae..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTransformStream.cpp
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSTransformStream.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMWrapperCache.h"
-#include "TransformStreamBuiltins.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsTransformStreamConstructor);
-
-class JSTransformStreamPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSTransformStreamPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSTransformStreamPrototype* ptr = new (NotNull, JSC::allocateCell<JSTransformStreamPrototype>(vm)) JSTransformStreamPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSTransformStreamPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSTransformStreamPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSTransformStreamPrototype, JSTransformStreamPrototype::Base);
-
-using JSTransformStreamDOMConstructor = JSDOMBuiltinConstructor<JSTransformStream>;
-
-template<> const ClassInfo JSTransformStreamDOMConstructor::s_info = { "TransformStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTransformStreamDOMConstructor) };
-
-template<> JSValue JSTransformStreamDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSTransformStreamDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "TransformStream"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSTransformStream::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSTransformStreamDOMConstructor::initializeExecutable(VM& vm)
-{
-    return transformStreamInitializeTransformStreamCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSTransformStreamPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTransformStreamConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "readable"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(transformStreamReadableCodeGenerator), (intptr_t) (0) } },
-    { "writable"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(transformStreamWritableCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSTransformStreamPrototype::s_info = { "TransformStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTransformStreamPrototype) };
-
-void JSTransformStreamPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSTransformStream::info(), JSTransformStreamPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSTransformStream::s_info = { "TransformStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTransformStream) };
-
-JSTransformStream::JSTransformStream(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSTransformStream::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSTransformStream::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSTransformStreamPrototype::create(vm, &globalObject, JSTransformStreamPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSTransformStream::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSTransformStream>(vm, globalObject);
-}
-
-JSValue JSTransformStream::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSTransformStreamDOMConstructor, DOMConstructorID::TransformStream>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSTransformStream::destroy(JSC::JSCell* cell)
-{
-    JSTransformStream* thisObject = static_cast<JSTransformStream*>(cell);
-    thisObject->JSTransformStream::~JSTransformStream();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsTransformStreamConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSTransformStreamPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSTransformStream::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSTransformStream::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSTransformStream, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForTransformStream.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForTransformStream = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForTransformStream.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForTransformStream = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSTransformStream.dep b/src/javascript/jsc/bindings/webcore/JSTransformStream.dep
deleted file mode 100644
index 30374925b..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTransformStream.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSTransformStream.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSTransformStream.h b/src/javascript/jsc/bindings/webcore/JSTransformStream.h
deleted file mode 100644
index 26646df03..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTransformStream.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSTransformStream : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSTransformStream* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSTransformStream* ptr = new (NotNull, JSC::allocateCell<JSTransformStream>(globalObject->vm())) JSTransformStream(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSTransformStream(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.cpp b/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.cpp
deleted file mode 100644
index 77532ac9e..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSTransformStreamDefaultController.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "TransformStreamDefaultControllerBuiltins.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsTransformStreamDefaultControllerConstructor);
-
-class JSTransformStreamDefaultControllerPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSTransformStreamDefaultControllerPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSTransformStreamDefaultControllerPrototype* ptr = new (NotNull, JSC::allocateCell<JSTransformStreamDefaultControllerPrototype>(vm)) JSTransformStreamDefaultControllerPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSTransformStreamDefaultControllerPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSTransformStreamDefaultControllerPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSTransformStreamDefaultControllerPrototype, JSTransformStreamDefaultControllerPrototype::Base);
-
-using JSTransformStreamDefaultControllerDOMConstructor = JSDOMBuiltinConstructor<JSTransformStreamDefaultController>;
-
-template<> const ClassInfo JSTransformStreamDefaultControllerDOMConstructor::s_info = { "TransformStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTransformStreamDefaultControllerDOMConstructor) };
-
-template<> JSValue JSTransformStreamDefaultControllerDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSTransformStreamDefaultControllerDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "TransformStreamDefaultController"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSTransformStreamDefaultController::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSTransformStreamDefaultControllerDOMConstructor::initializeExecutable(VM& vm)
-{
-    return transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSTransformStreamDefaultControllerPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTransformStreamDefaultControllerConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "desiredSize"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(transformStreamDefaultControllerDesiredSizeCodeGenerator), (intptr_t) (0) } },
-    { "enqueue"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(transformStreamDefaultControllerEnqueueCodeGenerator), (intptr_t) (0) } },
-    { "error"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(transformStreamDefaultControllerErrorCodeGenerator), (intptr_t) (0) } },
-    { "terminate"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(transformStreamDefaultControllerTerminateCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSTransformStreamDefaultControllerPrototype::s_info = { "TransformStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTransformStreamDefaultControllerPrototype) };
-
-void JSTransformStreamDefaultControllerPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSTransformStreamDefaultController::info(), JSTransformStreamDefaultControllerPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSTransformStreamDefaultController::s_info = { "TransformStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTransformStreamDefaultController) };
-
-JSTransformStreamDefaultController::JSTransformStreamDefaultController(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSTransformStreamDefaultController::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSTransformStreamDefaultController::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSTransformStreamDefaultControllerPrototype::create(vm, &globalObject, JSTransformStreamDefaultControllerPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSTransformStreamDefaultController::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSTransformStreamDefaultController>(vm, globalObject);
-}
-
-JSValue JSTransformStreamDefaultController::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSTransformStreamDefaultControllerDOMConstructor, DOMConstructorID::TransformStreamDefaultController>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSTransformStreamDefaultController::destroy(JSC::JSCell* cell)
-{
-    JSTransformStreamDefaultController* thisObject = static_cast<JSTransformStreamDefaultController*>(cell);
-    thisObject->JSTransformStreamDefaultController::~JSTransformStreamDefaultController();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsTransformStreamDefaultControllerConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSTransformStreamDefaultControllerPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSTransformStreamDefaultController::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSTransformStreamDefaultController::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSTransformStreamDefaultController, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForTransformStreamDefaultController.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForTransformStreamDefaultController = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForTransformStreamDefaultController.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForTransformStreamDefaultController = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.dep b/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.dep
deleted file mode 100644
index 0d59bed06..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSTransformStreamDefaultController.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.h b/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.h
deleted file mode 100644
index e63fdd7c4..000000000
--- a/src/javascript/jsc/bindings/webcore/JSTransformStreamDefaultController.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSTransformStreamDefaultController : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSTransformStreamDefaultController* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSTransformStreamDefaultController* ptr = new (NotNull, JSC::allocateCell<JSTransformStreamDefaultController>(globalObject->vm())) JSTransformStreamDefaultController(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSTransformStreamDefaultController(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSURLSearchParams.cpp b/src/javascript/jsc/bindings/webcore/JSURLSearchParams.cpp
deleted file mode 100644
index e132aecf8..000000000
--- a/src/javascript/jsc/bindings/webcore/JSURLSearchParams.cpp
+++ /dev/null
@@ -1,559 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSURLSearchParams.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertRecord.h"
-#include "JSDOMConvertSequences.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMConvertUnion.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMIterator.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "JavaScriptCore/BuiltinNames.h"
-#include "JavaScriptCore/FunctionPrototype.h"
-#include "JavaScriptCore/HeapAnalyzer.h"
-#include "JavaScriptCore/JSArray.h"
-
-#include "JavaScriptCore/JSDestructibleObjectHeapCellType.h"
-#include "JavaScriptCore/SlotVisitorMacros.h"
-#include "JavaScriptCore/SubspaceInlines.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include "wtf/GetPtr.h"
-#include "wtf/PointerPreparations.h"
-#include "wtf/URL.h"
-#include "wtf/Vector.h"
-#include <variant>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_append);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_delete);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_get);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_getAll);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_has);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_set);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_sort);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_entries);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_keys);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_values);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_forEach);
-static JSC_DECLARE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_toString);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsURLSearchParamsConstructor);
-
-class JSURLSearchParamsPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSURLSearchParamsPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSURLSearchParamsPrototype* ptr = new (NotNull, JSC::allocateCell<JSURLSearchParamsPrototype>(vm)) JSURLSearchParamsPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSURLSearchParamsPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSURLSearchParamsPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSURLSearchParamsPrototype, JSURLSearchParamsPrototype::Base);
-
-using JSURLSearchParamsDOMConstructor = JSDOMConstructor<JSURLSearchParams>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSURLSearchParamsDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSURLSearchParamsDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    EnsureStillAliveScope argument0 = callFrame->argument(0);
-    auto init = argument0.value().isUndefined() ? emptyString() : convert<IDLUnion<IDLSequence<IDLSequence<IDLUSVString>>, IDLRecord<IDLUSVString, IDLUSVString>, IDLUSVString>>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = URLSearchParams::create(WTFMove(init));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<URLSearchParams>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<URLSearchParams>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSURLSearchParamsDOMConstructorConstruct, JSURLSearchParamsDOMConstructor::construct);
-
-template<> const ClassInfo JSURLSearchParamsDOMConstructor::s_info = { "URLSearchParams"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSURLSearchParamsDOMConstructor) };
-
-template<> JSValue JSURLSearchParamsDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSURLSearchParamsDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "URLSearchParams"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSURLSearchParams::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSURLSearchParamsPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsURLSearchParamsConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "append"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_append), (intptr_t)(2) } },
-    { "delete"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_delete), (intptr_t)(1) } },
-    { "get"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_get), (intptr_t)(1) } },
-    { "getAll"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_getAll), (intptr_t)(1) } },
-    { "has"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_has), (intptr_t)(1) } },
-    { "set"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_set), (intptr_t)(2) } },
-    { "sort"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_sort), (intptr_t)(0) } },
-    { "entries"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_entries), (intptr_t)(0) } },
-    { "keys"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_keys), (intptr_t)(0) } },
-    { "values"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_values), (intptr_t)(0) } },
-    { "forEach"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_forEach), (intptr_t)(1) } },
-    { "toString"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsURLSearchParamsPrototypeFunction_toString), (intptr_t)(0) } },
-};
-
-const ClassInfo JSURLSearchParamsPrototype::s_info = { "URLSearchParams"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSURLSearchParamsPrototype) };
-
-void JSURLSearchParamsPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSURLSearchParams::info(), JSURLSearchParamsPrototypeTableValues, *this);
-    putDirect(vm, vm.propertyNames->iteratorSymbol, getDirect(vm, vm.propertyNames->builtinNames().entriesPublicName()), static_cast<unsigned>(JSC::PropertyAttribute::DontEnum));
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSURLSearchParams::s_info = { "URLSearchParams"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSURLSearchParams) };
-
-JSURLSearchParams::JSURLSearchParams(Structure* structure, JSDOMGlobalObject& globalObject, Ref<URLSearchParams>&& impl)
-    : JSDOMWrapper<URLSearchParams>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSURLSearchParams::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, URLSearchParams>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSURLSearchParams::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSURLSearchParamsPrototype::create(vm, &globalObject, JSURLSearchParamsPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSURLSearchParams::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSURLSearchParams>(vm, globalObject);
-}
-
-JSValue JSURLSearchParams::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSURLSearchParamsDOMConstructor, DOMConstructorID::URLSearchParams>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSURLSearchParams::destroy(JSC::JSCell* cell)
-{
-    JSURLSearchParams* thisObject = static_cast<JSURLSearchParams*>(cell);
-    thisObject->JSURLSearchParams::~JSURLSearchParams();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsURLSearchParamsConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSURLSearchParamsPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSURLSearchParams::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSC::EncodedJSValue jsURLSearchParamsPrototypeFunction_appendBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSURLSearchParams>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 2))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto value = convert<IDLUSVString>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.append(WTFMove(name), WTFMove(value)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_append, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_appendBody>(*lexicalGlobalObject, *callFrame, "append");
-}
-
-static inline JSC::EncodedJSValue jsURLSearchParamsPrototypeFunction_deleteBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSURLSearchParams>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.remove(WTFMove(name)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_delete, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_deleteBody>(*lexicalGlobalObject, *callFrame, "delete");
-}
-
-static inline JSC::EncodedJSValue jsURLSearchParamsPrototypeFunction_getBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSURLSearchParams>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLNullable<IDLUSVString>>(*lexicalGlobalObject, throwScope, impl.get(WTFMove(name)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_get, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_getBody>(*lexicalGlobalObject, *callFrame, "get");
-}
-
-static inline JSC::EncodedJSValue jsURLSearchParamsPrototypeFunction_getAllBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSURLSearchParams>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLSequence<IDLUSVString>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, impl.getAll(WTFMove(name)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_getAll, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_getAllBody>(*lexicalGlobalObject, *callFrame, "getAll");
-}
-
-static inline JSC::EncodedJSValue jsURLSearchParamsPrototypeFunction_hasBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSURLSearchParams>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLBoolean>(*lexicalGlobalObject, throwScope, impl.has(WTFMove(name)))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_has, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_hasBody>(*lexicalGlobalObject, *callFrame, "has");
-}
-
-static inline JSC::EncodedJSValue jsURLSearchParamsPrototypeFunction_setBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSURLSearchParams>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 2))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto name = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto value = convert<IDLUSVString>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.set(WTFMove(name), WTFMove(value)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_set, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_setBody>(*lexicalGlobalObject, *callFrame, "set");
-}
-
-static inline JSC::EncodedJSValue jsURLSearchParamsPrototypeFunction_sortBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSURLSearchParams>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.sort(); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_sort, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_sortBody>(*lexicalGlobalObject, *callFrame, "sort");
-}
-
-static inline JSC::EncodedJSValue jsURLSearchParamsPrototypeFunction_toStringBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSURLSearchParams>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLDOMString>(*lexicalGlobalObject, throwScope, impl.toString())));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_toString, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_toStringBody>(*lexicalGlobalObject, *callFrame, "toString");
-}
-
-struct URLSearchParamsIteratorTraits {
-    static constexpr JSDOMIteratorType type = JSDOMIteratorType::Map;
-    using KeyType = IDLUSVString;
-    using ValueType = IDLUSVString;
-};
-
-using URLSearchParamsIteratorBase = JSDOMIteratorBase<JSURLSearchParams, URLSearchParamsIteratorTraits>;
-class URLSearchParamsIterator final : public URLSearchParamsIteratorBase {
-public:
-    using Base = URLSearchParamsIteratorBase;
-    DECLARE_INFO;
-
-    template<typename, SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return WebCore::subspaceForImpl<URLSearchParamsIterator, UseCustomHeapCellType::No>(
-            vm,
-            [](auto& spaces) { return spaces.m_clientSubspaceForURLSearchParamsIterator.get(); },
-            [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForURLSearchParamsIterator = WTFMove(space); },
-            [](auto& spaces) { return spaces.m_subspaceForURLSearchParamsIterator.get(); },
-            [](auto& spaces, auto&& space) { spaces.m_subspaceForURLSearchParamsIterator = WTFMove(space); });
-    }
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-    static URLSearchParamsIterator* create(JSC::VM& vm, JSC::Structure* structure, JSURLSearchParams& iteratedObject, IterationKind kind)
-    {
-        auto* instance = new (NotNull, JSC::allocateCell<URLSearchParamsIterator>(vm)) URLSearchParamsIterator(structure, iteratedObject, kind);
-        instance->finishCreation(vm);
-        return instance;
-    }
-
-private:
-    URLSearchParamsIterator(JSC::Structure* structure, JSURLSearchParams& iteratedObject, IterationKind kind)
-        : Base(structure, iteratedObject, kind)
-    {
-    }
-};
-
-using URLSearchParamsIteratorPrototype = JSDOMIteratorPrototype<JSURLSearchParams, URLSearchParamsIteratorTraits>;
-JSC_ANNOTATE_HOST_FUNCTION(URLSearchParamsIteratorPrototypeNext, URLSearchParamsIteratorPrototype::next);
-
-template<>
-const JSC::ClassInfo URLSearchParamsIteratorBase::s_info = { "URLSearchParams Iterator"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(URLSearchParamsIteratorBase) };
-const JSC::ClassInfo URLSearchParamsIterator::s_info = { "URLSearchParams Iterator"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(URLSearchParamsIterator) };
-
-template<>
-const JSC::ClassInfo URLSearchParamsIteratorPrototype::s_info = { "URLSearchParams Iterator"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(URLSearchParamsIteratorPrototype) };
-
-static inline EncodedJSValue jsURLSearchParamsPrototypeFunction_entriesCaller(JSGlobalObject*, CallFrame*, JSURLSearchParams* thisObject)
-{
-    return JSValue::encode(iteratorCreate<URLSearchParamsIterator>(*thisObject, IterationKind::Entries));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_entries, (JSC::JSGlobalObject * lexicalGlobalObject, JSC::CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_entriesCaller>(*lexicalGlobalObject, *callFrame, "entries");
-}
-
-static inline EncodedJSValue jsURLSearchParamsPrototypeFunction_keysCaller(JSGlobalObject*, CallFrame*, JSURLSearchParams* thisObject)
-{
-    return JSValue::encode(iteratorCreate<URLSearchParamsIterator>(*thisObject, IterationKind::Keys));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_keys, (JSC::JSGlobalObject * lexicalGlobalObject, JSC::CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_keysCaller>(*lexicalGlobalObject, *callFrame, "keys");
-}
-
-static inline EncodedJSValue jsURLSearchParamsPrototypeFunction_valuesCaller(JSGlobalObject*, CallFrame*, JSURLSearchParams* thisObject)
-{
-    return JSValue::encode(iteratorCreate<URLSearchParamsIterator>(*thisObject, IterationKind::Values));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_values, (JSC::JSGlobalObject * lexicalGlobalObject, JSC::CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_valuesCaller>(*lexicalGlobalObject, *callFrame, "values");
-}
-
-static inline EncodedJSValue jsURLSearchParamsPrototypeFunction_forEachCaller(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame, JSURLSearchParams* thisObject)
-{
-    return JSValue::encode(iteratorForEach<URLSearchParamsIterator>(*lexicalGlobalObject, *callFrame, *thisObject));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsURLSearchParamsPrototypeFunction_forEach, (JSC::JSGlobalObject * lexicalGlobalObject, JSC::CallFrame* callFrame))
-{
-    return IDLOperation<JSURLSearchParams>::call<jsURLSearchParamsPrototypeFunction_forEachCaller>(*lexicalGlobalObject, *callFrame, "forEach");
-}
-
-JSC::GCClient::IsoSubspace* JSURLSearchParams::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSURLSearchParams, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForURLSearchParams.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForURLSearchParams = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForURLSearchParams.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForURLSearchParams = WTFMove(space); });
-}
-
-void JSURLSearchParams::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSURLSearchParams*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    // if (thisObject->scriptExecutionContext())
-    //     analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSURLSearchParamsOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSURLSearchParamsOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsURLSearchParams = static_cast<JSURLSearchParams*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsURLSearchParams->wrapped(), jsURLSearchParams);
-}
-
-// #if ENABLE(BINDING_INTEGRITY)
-// #if PLATFORM(WIN)
-// #pragma warning(disable : 4483)
-// extern "C" {
-// extern void (*const __identifier("??_7URLSearchParams@WebCore@@6B@")[])();
-// }
-// #else
-// extern "C" {
-// extern void* _ZTVN7WebCore15URLSearchParamsE[];
-// }
-// #endif
-// #endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<URLSearchParams>&& impl)
-{
-
-    //     if constexpr (std::is_polymorphic_v<URLSearchParams>) {
-    // #if ENABLE(BINDING_INTEGRITY)
-    //         const void* actualVTablePointer = getVTablePointer(impl.ptr());
-    // #if PLATFORM(WIN)
-    //         void* expectedVTablePointer = __identifier("??_7URLSearchParams@WebCore@@6B@");
-    // #else
-    //         void* expectedVTablePointer = &_ZTVN7WebCore15URLSearchParamsE[2];
-    // #endif
-
-    //         // If you hit this assertion you either have a use after free bug, or
-    //         // URLSearchParams has subclasses. If URLSearchParams has subclasses that get passed
-    //         // to toJS() we currently require URLSearchParams you to opt out of binding hardening
-    //         // by adding the SkipVTableValidation attribute to the interface IDL definition
-    //         RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-    // #endif
-    // }
-    return createWrapper<URLSearchParams>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, URLSearchParams& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-URLSearchParams* JSURLSearchParams::toWrapped(JSC::VM& vm, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSURLSearchParams*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSURLSearchParams.dep b/src/javascript/jsc/bindings/webcore/JSURLSearchParams.dep
deleted file mode 100644
index 73a94dc7b..000000000
--- a/src/javascript/jsc/bindings/webcore/JSURLSearchParams.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSURLSearchParams.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSURLSearchParams.h b/src/javascript/jsc/bindings/webcore/JSURLSearchParams.h
deleted file mode 100644
index b7e90a3fb..000000000
--- a/src/javascript/jsc/bindings/webcore/JSURLSearchParams.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-#include "URLSearchParams.h"
-#include "wtf/NeverDestroyed.h"
-
-namespace WebCore {
-
-class JSURLSearchParams : public JSDOMWrapper<URLSearchParams> {
-public:
-    using Base = JSDOMWrapper<URLSearchParams>;
-    static JSURLSearchParams* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<URLSearchParams>&& impl)
-    {
-        JSURLSearchParams* ptr = new (NotNull, JSC::allocateCell<JSURLSearchParams>(globalObject->vm())) JSURLSearchParams(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static URLSearchParams* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-protected:
-    JSURLSearchParams(JSC::Structure*, JSDOMGlobalObject&, Ref<URLSearchParams>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSURLSearchParamsOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, URLSearchParams*)
-{
-    static NeverDestroyed<JSURLSearchParamsOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(URLSearchParams* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, URLSearchParams&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, URLSearchParams* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<URLSearchParams>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<URLSearchParams>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<URLSearchParams> {
-    using WrapperClass = JSURLSearchParams;
-    using ToWrappedReturnType = URLSearchParams*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSValueInWrappedObject.h b/src/javascript/jsc/bindings/webcore/JSValueInWrappedObject.h
deleted file mode 100644
index d05fdb8fd..000000000
--- a/src/javascript/jsc/bindings/webcore/JSValueInWrappedObject.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2018-2021 Apple Inc. All rights reserved.
-
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "DOMWrapperWorld.h"
-#include "JSDOMWrapper.h"
-#include "JavaScriptCore/JSCJSValue.h"
-#include "JavaScriptCore/SlotVisitor.h"
-#include "JavaScriptCore/Weak.h"
-#include <variant>
-
-namespace WebCore {
-
-// This class includes a lot of GC related subtle things, and changing this class easily causes GC crashes.
-// Any changes on this class must be reviewed by JavaScriptCore reviewers too.
-class JSValueInWrappedObject {
-    // It must be neither copyable nor movable. Changing this will break concurrent GC.
-    WTF_MAKE_NONCOPYABLE(JSValueInWrappedObject);
-    WTF_MAKE_NONMOVABLE(JSValueInWrappedObject);
-
-public:
-    JSValueInWrappedObject(JSC::JSValue = {});
-
-    explicit operator bool() const;
-    template<typename Visitor> void visit(Visitor&) const;
-    void clear();
-
-    void set(JSC::VM&, const JSC::JSCell* owner, JSC::JSValue);
-    void setWeakly(JSC::JSValue);
-    JSC::JSValue getValue(JSC::JSValue nullValue = JSC::jsUndefined()) const;
-
-    // FIXME: Remove this once IDBRequest semantic bug is fixed.
-    // https://bugs.webkit.org/show_bug.cgi?id=236278
-    void setWithoutBarrier(JSValueInWrappedObject&);
-
-private:
-    // Keep in mind that all of these fields are accessed concurrently without lock from concurrent GC thread.
-    JSC::JSValue m_nonCell {};
-    JSC::Weak<JSC::JSCell> m_cell {};
-};
-
-JSC::JSValue cachedPropertyValue(JSC::JSGlobalObject&, const JSDOMObject& owner, JSValueInWrappedObject& cacheSlot, const Function<JSC::JSValue()>&);
-
-inline JSValueInWrappedObject::JSValueInWrappedObject(JSC::JSValue value)
-{
-    setWeakly(value);
-}
-
-inline JSC::JSValue JSValueInWrappedObject::getValue(JSC::JSValue nullValue) const
-{
-    if (m_nonCell)
-        return m_nonCell;
-    return m_cell ? m_cell.get() : nullValue;
-}
-
-inline JSValueInWrappedObject::operator bool() const
-{
-    return m_nonCell || m_cell;
-}
-
-template<typename Visitor>
-inline void JSValueInWrappedObject::visit(Visitor& visitor) const
-{
-    visitor.append(m_cell);
-}
-
-template void JSValueInWrappedObject::visit(JSC::AbstractSlotVisitor&) const;
-template void JSValueInWrappedObject::visit(JSC::SlotVisitor&) const;
-
-inline void JSValueInWrappedObject::setWeakly(JSC::JSValue value)
-{
-    if (!value.isCell()) {
-        m_nonCell = value;
-        m_cell.clear();
-        return;
-    }
-    m_nonCell = {};
-    JSC::Weak weak { value.asCell() };
-    WTF::storeStoreFence();
-    m_cell = WTFMove(weak);
-}
-
-inline void JSValueInWrappedObject::set(JSC::VM& vm, const JSC::JSCell* owner, JSC::JSValue value)
-{
-    setWeakly(value);
-    vm.writeBarrier(owner, value);
-}
-
-inline void JSValueInWrappedObject::clear()
-{
-    m_nonCell = {};
-    m_cell.clear();
-}
-
-inline void JSValueInWrappedObject::setWithoutBarrier(JSValueInWrappedObject& other)
-{
-    JSC::Weak weak { other.m_cell.get() };
-    WTF::storeStoreFence(); // Ensure Weak is fully initialized for concurrent access.
-    m_nonCell = other.m_nonCell;
-    m_cell = WTFMove(weak);
-}
-
-inline JSC::JSValue cachedPropertyValue(JSC::JSGlobalObject& lexicalGlobalObject, const JSDOMObject& owner, JSValueInWrappedObject& cachedValue, const Function<JSC::JSValue()>& function)
-{
-    if (cachedValue && isWorldCompatible(lexicalGlobalObject, cachedValue.getValue()))
-        return cachedValue.getValue();
-    auto value = function();
-    cachedValue.set(lexicalGlobalObject.vm(), &owner, cloneAcrossWorlds(lexicalGlobalObject, owner, value));
-    ASSERT(isWorldCompatible(lexicalGlobalObject, cachedValue.getValue()));
-    return cachedValue.getValue();
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSWebSocket.cpp b/src/javascript/jsc/bindings/webcore/JSWebSocket.cpp
deleted file mode 100644
index aa351fba3..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWebSocket.cpp
+++ /dev/null
@@ -1,705 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSWebSocket.h"
-
-#include "ActiveDOMObject.h"
-#include "EventNames.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-// #include "JSBlob.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertBufferSource.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertNullable.h"
-#include "JSDOMConvertNumbers.h"
-#include "JSDOMConvertSequences.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "JSEventListener.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/IteratorOperations.h>
-#include <JavaScriptCore/JSArray.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsWebSocketPrototypeFunction_send);
-static JSC_DECLARE_HOST_FUNCTION(jsWebSocketPrototypeFunction_close);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocketConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_URL);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_url);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_readyState);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_bufferedAmount);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_onopen);
-static JSC_DECLARE_CUSTOM_SETTER(setJSWebSocket_onopen);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_onmessage);
-static JSC_DECLARE_CUSTOM_SETTER(setJSWebSocket_onmessage);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_onerror);
-static JSC_DECLARE_CUSTOM_SETTER(setJSWebSocket_onerror);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_onclose);
-static JSC_DECLARE_CUSTOM_SETTER(setJSWebSocket_onclose);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_protocol);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_extensions);
-static JSC_DECLARE_CUSTOM_GETTER(jsWebSocket_binaryType);
-static JSC_DECLARE_CUSTOM_SETTER(setJSWebSocket_binaryType);
-
-class JSWebSocketPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSWebSocketPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSWebSocketPrototype* ptr = new (NotNull, JSC::allocateCell<JSWebSocketPrototype>(vm)) JSWebSocketPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWebSocketPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSWebSocketPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWebSocketPrototype, JSWebSocketPrototype::Base);
-
-using JSWebSocketDOMConstructor = JSDOMConstructor<JSWebSocket>;
-
-/* Hash table for constructor */
-
-static const HashTableValue JSWebSocketConstructorTableValues[] = {
-    { "CONNECTING"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(0) } },
-    { "OPEN"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(1) } },
-    { "CLOSING"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(2) } },
-    { "CLOSED"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(3) } },
-};
-
-static_assert(WebSocket::CONNECTING == 0, "CONNECTING in WebSocket does not match value from IDL");
-static_assert(WebSocket::OPEN == 1, "OPEN in WebSocket does not match value from IDL");
-static_assert(WebSocket::CLOSING == 2, "CLOSING in WebSocket does not match value from IDL");
-static_assert(WebSocket::CLOSED == 3, "CLOSED in WebSocket does not match value from IDL");
-
-static inline EncodedJSValue constructJSWebSocket1(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSWebSocketDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    auto* context = castedThis->scriptExecutionContext();
-    if (UNLIKELY(!context))
-        return throwConstructorScriptExecutionContextUnavailableError(*lexicalGlobalObject, throwScope, "WebSocket");
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto url = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto protocols = argument1.value().isUndefined() ? Converter<IDLSequence<IDLDOMString>>::ReturnType {} : convert<IDLSequence<IDLDOMString>>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = WebSocket::create(*context, WTFMove(url), WTFMove(protocols));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<WebSocket>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<WebSocket>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-
-static inline EncodedJSValue constructJSWebSocket2(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSWebSocketDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    auto* context = castedThis->scriptExecutionContext();
-    if (UNLIKELY(!context))
-        return throwConstructorScriptExecutionContextUnavailableError(*lexicalGlobalObject, throwScope, "WebSocket");
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto url = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1);
-    auto protocol = convert<IDLDOMString>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = WebSocket::create(*context, WTFMove(url), WTFMove(protocol));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<WebSocket>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<WebSocket>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSWebSocketDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    size_t argsCount = std::min<size_t>(2, callFrame->argumentCount());
-    if (argsCount == 1) {
-        RELEASE_AND_RETURN(throwScope, (constructJSWebSocket1(lexicalGlobalObject, callFrame)));
-    }
-    if (argsCount == 2) {
-        JSValue distinguishingArg = callFrame->uncheckedArgument(1);
-        if (distinguishingArg.isUndefined())
-            RELEASE_AND_RETURN(throwScope, (constructJSWebSocket1(lexicalGlobalObject, callFrame)));
-        {
-            bool success = hasIteratorMethod(lexicalGlobalObject, distinguishingArg);
-            RETURN_IF_EXCEPTION(throwScope, {});
-            if (success)
-                RELEASE_AND_RETURN(throwScope, (constructJSWebSocket1(lexicalGlobalObject, callFrame)));
-        }
-        RELEASE_AND_RETURN(throwScope, (constructJSWebSocket2(lexicalGlobalObject, callFrame)));
-    }
-    return argsCount < 1 ? throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)) : throwVMTypeError(lexicalGlobalObject, throwScope);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSWebSocketConstructorConstruct, JSWebSocketDOMConstructor::construct);
-
-template<> const ClassInfo JSWebSocketDOMConstructor::s_info = { "WebSocket"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWebSocketDOMConstructor) };
-
-template<> JSValue JSWebSocketDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    return JSEventTarget::getConstructor(vm, &globalObject);
-}
-
-template<> void JSWebSocketDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "WebSocket"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSWebSocket::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-    reifyStaticProperties(vm, JSWebSocket::info(), JSWebSocketConstructorTableValues, *this);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSWebSocketPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocketConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "URL"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_URL), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "url"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_url), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "readyState"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_readyState), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "bufferedAmount"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_bufferedAmount), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "onopen"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_onopen), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWebSocket_onopen) } },
-    { "onmessage"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_onmessage), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWebSocket_onmessage) } },
-    { "onerror"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_onerror), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWebSocket_onerror) } },
-    { "onclose"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_onclose), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWebSocket_onclose) } },
-    { "protocol"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_protocol), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "extensions"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_extensions), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "binaryType"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWebSocket_binaryType), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWebSocket_binaryType) } },
-    { "send"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsWebSocketPrototypeFunction_send), (intptr_t)(1) } },
-    { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsWebSocketPrototypeFunction_close), (intptr_t)(0) } },
-    { "CONNECTING"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(0) } },
-    { "OPEN"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(1) } },
-    { "CLOSING"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(2) } },
-    { "CLOSED"_s, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(3) } },
-};
-
-const ClassInfo JSWebSocketPrototype::s_info = { "WebSocket"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWebSocketPrototype) };
-
-void JSWebSocketPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSWebSocket::info(), JSWebSocketPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSWebSocket::s_info = { "WebSocket"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWebSocket) };
-
-JSWebSocket::JSWebSocket(Structure* structure, JSDOMGlobalObject& globalObject, Ref<WebSocket>&& impl)
-    : JSEventTarget(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSWebSocket::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(std::is_base_of<ActiveDOMObject, WebSocket>::value, "Interface is marked as [ActiveDOMObject] but implementation class does not subclass ActiveDOMObject.");
-}
-
-JSObject* JSWebSocket::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSWebSocketPrototype::create(vm, &globalObject, JSWebSocketPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject)));
-}
-
-JSObject* JSWebSocket::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSWebSocket>(vm, globalObject);
-}
-
-JSValue JSWebSocket::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSWebSocketDOMConstructor, DOMConstructorID::WebSocket>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocketConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSWebSocketPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSWebSocket::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsWebSocket_URLGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.url())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_URL, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_URLGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_urlGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUSVString>(lexicalGlobalObject, throwScope, impl.url())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_url, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_urlGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_readyStateGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUnsignedShort>(lexicalGlobalObject, throwScope, impl.readyState())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_readyState, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_readyStateGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_bufferedAmountGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLUnsignedLong>(lexicalGlobalObject, throwScope, impl.bufferedAmount())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_bufferedAmount, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_bufferedAmountGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_onopenGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    return eventHandlerAttribute(thisObject.wrapped(), eventNames().openEvent, worldForDOMObject(thisObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_onopen, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_onopenGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSWebSocket_onopenSetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    setEventHandlerAttribute<JSEventListener>(thisObject.wrapped(), eventNames().openEvent, value, thisObject);
-    vm.writeBarrier(&thisObject, value);
-    ensureStillAliveHere(value);
-
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSWebSocket_onopen, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::set<setJSWebSocket_onopenSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_onmessageGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    return eventHandlerAttribute(thisObject.wrapped(), eventNames().messageEvent, worldForDOMObject(thisObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_onmessage, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_onmessageGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSWebSocket_onmessageSetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    setEventHandlerAttribute<JSEventListener>(thisObject.wrapped(), eventNames().messageEvent, value, thisObject);
-    vm.writeBarrier(&thisObject, value);
-    ensureStillAliveHere(value);
-
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSWebSocket_onmessage, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::set<setJSWebSocket_onmessageSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_onerrorGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    return eventHandlerAttribute(thisObject.wrapped(), eventNames().errorEvent, worldForDOMObject(thisObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_onerror, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_onerrorGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSWebSocket_onerrorSetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    setEventHandlerAttribute<JSEventListener>(thisObject.wrapped(), eventNames().errorEvent, value, thisObject);
-    vm.writeBarrier(&thisObject, value);
-    ensureStillAliveHere(value);
-
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSWebSocket_onerror, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::set<setJSWebSocket_onerrorSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_oncloseGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    UNUSED_PARAM(lexicalGlobalObject);
-    return eventHandlerAttribute(thisObject.wrapped(), eventNames().closeEvent, worldForDOMObject(thisObject));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_onclose, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_oncloseGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSWebSocket_oncloseSetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    setEventHandlerAttribute<JSEventListener>(thisObject.wrapped(), eventNames().closeEvent, value, thisObject);
-    vm.writeBarrier(&thisObject, value);
-    ensureStillAliveHere(value);
-
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSWebSocket_onclose, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::set<setJSWebSocket_oncloseSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_protocolGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLNullable<IDLDOMString>>(lexicalGlobalObject, throwScope, impl.protocol())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_protocol, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_protocolGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_extensionsGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLNullable<IDLDOMString>>(lexicalGlobalObject, throwScope, impl.extensions())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_extensions, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_extensionsGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSValue jsWebSocket_binaryTypeGetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLDOMString>(lexicalGlobalObject, throwScope, impl.binaryType())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWebSocket_binaryType, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::get<jsWebSocket_binaryTypeGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline bool setJSWebSocket_binaryTypeSetter(JSGlobalObject& lexicalGlobalObject, JSWebSocket& thisObject, JSValue value)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    auto nativeValue = convert<IDLDOMString>(lexicalGlobalObject, value);
-    RETURN_IF_EXCEPTION(throwScope, false);
-    invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] {
-        return impl.setBinaryType(WTFMove(nativeValue));
-    });
-    return true;
-}
-
-JSC_DEFINE_CUSTOM_SETTER(setJSWebSocket_binaryType, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWebSocket>::set<setJSWebSocket_binaryTypeSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsWebSocketPrototypeFunction_send1Body(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWebSocket>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto data = convert<IDLArrayBuffer>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 0, "data", "WebSocket", "send", "ArrayBuffer"); });
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.send(*data); })));
-}
-
-static inline JSC::EncodedJSValue jsWebSocketPrototypeFunction_send2Body(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWebSocket>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto data = convert<IDLArrayBufferView>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 0, "data", "WebSocket", "send", "ArrayBufferView"); });
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.send(data.releaseNonNull()); })));
-}
-
-// static inline JSC::EncodedJSValue jsWebSocketPrototypeFunction_send3Body(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWebSocket>::ClassParameter castedThis)
-// {
-//     auto& vm = JSC::getVM(lexicalGlobalObject);
-//     auto throwScope = DECLARE_THROW_SCOPE(vm);
-//     UNUSED_PARAM(throwScope);
-//     UNUSED_PARAM(callFrame);
-//     auto& impl = castedThis->wrapped();
-//     EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-//     auto data = convert<IDLInterface<Blob>>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 0, "data", "WebSocket", "send", "Blob"); });
-//     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-//     RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.send(*data); })));
-// }
-
-static inline JSC::EncodedJSValue jsWebSocketPrototypeFunction_send4Body(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWebSocket>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto data = convert<IDLUSVString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.send(WTFMove(data)); })));
-}
-
-static inline JSC::EncodedJSValue jsWebSocketPrototypeFunction_sendOverloadDispatcher(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWebSocket>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    size_t argsCount = std::min<size_t>(1, callFrame->argumentCount());
-    if (argsCount == 1) {
-        JSValue distinguishingArg = callFrame->uncheckedArgument(0);
-        if (distinguishingArg.isObject() && asObject(distinguishingArg)->inherits<JSArrayBuffer>())
-            RELEASE_AND_RETURN(throwScope, (jsWebSocketPrototypeFunction_send1Body(lexicalGlobalObject, callFrame, castedThis)));
-        if (distinguishingArg.isObject() && asObject(distinguishingArg)->inherits<JSArrayBufferView>())
-            RELEASE_AND_RETURN(throwScope, (jsWebSocketPrototypeFunction_send2Body(lexicalGlobalObject, callFrame, castedThis)));
-        // if (distinguishingArg.isObject() && asObject(distinguishingArg)->inherits<JSBlob>())
-        //     RELEASE_AND_RETURN(throwScope, (jsWebSocketPrototypeFunction_send3Body(lexicalGlobalObject, callFrame, castedThis)));
-        RELEASE_AND_RETURN(throwScope, (jsWebSocketPrototypeFunction_send4Body(lexicalGlobalObject, callFrame, castedThis)));
-    }
-    return argsCount < 1 ? throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)) : throwVMTypeError(lexicalGlobalObject, throwScope);
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsWebSocketPrototypeFunction_send, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSWebSocket>::call<jsWebSocketPrototypeFunction_sendOverloadDispatcher>(*lexicalGlobalObject, *callFrame, "send");
-}
-
-static inline JSC::EncodedJSValue jsWebSocketPrototypeFunction_closeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWebSocket>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    EnsureStillAliveScope argument0 = callFrame->argument(0);
-    auto code = argument0.value().isUndefined() ? std::optional<Converter<IDLClampAdaptor<IDLUnsignedShort>>::ReturnType>() : std::optional<Converter<IDLClampAdaptor<IDLUnsignedShort>>::ReturnType>(convert<IDLClampAdaptor<IDLUnsignedShort>>(*lexicalGlobalObject, argument0.value()));
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto reason = argument1.value().isUndefined() ? String() : convert<IDLUSVString>(*lexicalGlobalObject, argument1.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.close(WTFMove(code), WTFMove(reason)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsWebSocketPrototypeFunction_close, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSWebSocket>::call<jsWebSocketPrototypeFunction_closeBody>(*lexicalGlobalObject, *callFrame, "close");
-}
-
-JSC::GCClient::IsoSubspace* JSWebSocket::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSWebSocket, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForWebSocket.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForWebSocket = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForWebSocket.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForWebSocket = WTFMove(space); });
-}
-
-void JSWebSocket::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSWebSocket*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSWebSocketOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    auto* jsWebSocket = jsCast<JSWebSocket*>(handle.slot()->asCell());
-    auto& wrapped = jsWebSocket->wrapped();
-    // if (!wrapped.isContextStopped() && wrapped.hasPendingActivity()) {
-    //     if (UNLIKELY(reason))
-    //         *reason = "ActiveDOMObject with pending activity";
-    //     return true;
-    // }
-    if (jsWebSocket->wrapped().isFiringEventListeners()) {
-        if (UNLIKELY(reason))
-            *reason = "EventTarget firing event listeners";
-        return true;
-    }
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSWebSocketOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsWebSocket = static_cast<JSWebSocket*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsWebSocket->wrapped(), jsWebSocket);
-}
-
-#if ENABLE(BINDING_INTEGRITY)
-#if PLATFORM(WIN)
-#pragma warning(disable : 4483)
-extern "C" {
-extern void (*const __identifier("??_7WebSocket@WebCore@@6B@")[])();
-}
-#else
-extern "C" {
-extern void* _ZTVN7WebCore9WebSocketE[];
-}
-#endif
-#endif
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<WebSocket>&& impl)
-{
-
-    if constexpr (std::is_polymorphic_v<WebSocket>) {
-#if ENABLE(BINDING_INTEGRITY)
-        const void* actualVTablePointer = getVTablePointer(impl.ptr());
-#if PLATFORM(WIN)
-        void* expectedVTablePointer = __identifier("??_7WebSocket@WebCore@@6B@");
-#else
-        void* expectedVTablePointer = &_ZTVN7WebCore9WebSocketE[2];
-#endif
-
-        // If you hit this assertion you either have a use after free bug, or
-        // WebSocket has subclasses. If WebSocket has subclasses that get passed
-        // to toJS() we currently require WebSocket you to opt out of binding hardening
-        // by adding the SkipVTableValidation attribute to the interface IDL definition
-        RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
-#endif
-    }
-    return createWrapper<WebSocket>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, WebSocket& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-WebSocket* JSWebSocket::toWrapped(JSC::VM&, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSWebSocket*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSWebSocket.dep b/src/javascript/jsc/bindings/webcore/JSWebSocket.dep
deleted file mode 100644
index 69bc1775b..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWebSocket.dep
+++ /dev/null
@@ -1,2 +0,0 @@
-JSWebSocket.h : EventTarget.idl
-EventTarget.idl :
diff --git a/src/javascript/jsc/bindings/webcore/JSWebSocket.h b/src/javascript/jsc/bindings/webcore/JSWebSocket.h
deleted file mode 100644
index ae99a9887..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWebSocket.h
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-#include "JSEventTarget.h"
-#include "WebSocket.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSWebSocket : public JSEventTarget {
-public:
-    using Base = JSEventTarget;
-    using DOMWrapped = WebSocket;
-    static JSWebSocket* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<WebSocket>&& impl)
-    {
-        JSWebSocket* ptr = new (NotNull, JSC::allocateCell<JSWebSocket>(globalObject->vm())) JSWebSocket(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static WebSocket* toWrapped(JSC::VM&, JSC::JSValue);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-    WebSocket& wrapped() const
-    {
-        return static_cast<WebSocket&>(Base::wrapped());
-    }
-protected:
-    JSWebSocket(JSC::Structure*, JSDOMGlobalObject&, Ref<WebSocket>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSWebSocketOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, WebSocket*)
-{
-    static NeverDestroyed<JSWebSocketOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(WebSocket* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, WebSocket&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, WebSocket* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<WebSocket>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<WebSocket>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<WebSocket> {
-    using WrapperClass = JSWebSocket;
-    using ToWrappedReturnType = WebSocket*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSWindowProxy.h b/src/javascript/jsc/bindings/webcore/JSWindowProxy.h
deleted file mode 100644
index d067d0b5a..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWindowProxy.h
+++ /dev/null
@@ -1 +0,0 @@
-// stub
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStream.cpp b/src/javascript/jsc/bindings/webcore/JSWritableStream.cpp
deleted file mode 100644
index 1d996f3ef..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStream.cpp
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSWritableStream.h"
-
-#include "ActiveDOMObject.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConstructor.h"
-#include "JSDOMConvertBoolean.h"
-#include "JSDOMConvertInterface.h"
-#include "JSDOMConvertObject.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMOperationReturningPromise.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsWritableStreamPrototypeFunction_abort);
-static JSC_DECLARE_HOST_FUNCTION(jsWritableStreamPrototypeFunction_close);
-static JSC_DECLARE_HOST_FUNCTION(jsWritableStreamPrototypeFunction_getWriter);
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsWritableStreamConstructor);
-static JSC_DECLARE_CUSTOM_GETTER(jsWritableStream_locked);
-
-class JSWritableStreamPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSWritableStreamPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSWritableStreamPrototype* ptr = new (NotNull, JSC::allocateCell<JSWritableStreamPrototype>(vm)) JSWritableStreamPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWritableStreamPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSWritableStreamPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWritableStreamPrototype, JSWritableStreamPrototype::Base);
-
-using JSWritableStreamDOMConstructor = JSDOMConstructor<JSWritableStream>;
-
-template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSWritableStreamDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
-{
-    VM& vm = lexicalGlobalObject->vm();
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* castedThis = jsCast<JSWritableStreamDOMConstructor*>(callFrame->jsCallee());
-    ASSERT(castedThis);
-    EnsureStillAliveScope argument0 = callFrame->argument(0);
-    auto underlyingSink = argument0.value().isUndefined() ? std::optional<Converter<IDLObject>::ReturnType>() : std::optional<Converter<IDLObject>::ReturnType>(convert<IDLObject>(*lexicalGlobalObject, argument0.value()));
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    EnsureStillAliveScope argument1 = callFrame->argument(1);
-    auto strategy = argument1.value().isUndefined() ? std::optional<Converter<IDLObject>::ReturnType>() : std::optional<Converter<IDLObject>::ReturnType>(convert<IDLObject>(*lexicalGlobalObject, argument1.value()));
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    auto object = WritableStream::create(*castedThis->globalObject(), WTFMove(underlyingSink), WTFMove(strategy));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef);
-    auto jsValue = toJSNewlyCreated<IDLInterface<WritableStream>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object));
-    if constexpr (IsExceptionOr<decltype(object)>)
-        RETURN_IF_EXCEPTION(throwScope, {});
-    setSubclassStructureIfNeeded<WritableStream>(lexicalGlobalObject, callFrame, asObject(jsValue));
-    RETURN_IF_EXCEPTION(throwScope, {});
-    return JSValue::encode(jsValue);
-}
-JSC_ANNOTATE_HOST_FUNCTION(JSWritableStreamDOMConstructorConstruct, JSWritableStreamDOMConstructor::construct);
-
-template<> const ClassInfo JSWritableStreamDOMConstructor::s_info = { "WritableStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamDOMConstructor) };
-
-template<> JSValue JSWritableStreamDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSWritableStreamDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "WritableStream"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSWritableStream::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSWritableStreamPrototypeTableValues[] = {
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWritableStreamConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "locked"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsWritableStream_locked), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "abort"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsWritableStreamPrototypeFunction_abort), (intptr_t)(0) } },
-    { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsWritableStreamPrototypeFunction_close), (intptr_t)(0) } },
-    { "getWriter"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsWritableStreamPrototypeFunction_getWriter), (intptr_t)(0) } },
-};
-
-const ClassInfo JSWritableStreamPrototype::s_info = { "WritableStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamPrototype) };
-
-void JSWritableStreamPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSWritableStream::info(), JSWritableStreamPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSWritableStream::s_info = { "WritableStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStream) };
-
-JSWritableStream::JSWritableStream(Structure* structure, JSDOMGlobalObject& globalObject, Ref<WritableStream>&& impl)
-    : JSDOMWrapper<WritableStream>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSWritableStream::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, WritableStream>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSWritableStream::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSWritableStreamPrototype::create(vm, &globalObject, JSWritableStreamPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSWritableStream::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSWritableStream>(vm, globalObject);
-}
-
-JSValue JSWritableStream::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSWritableStreamDOMConstructor, DOMConstructorID::WritableStream>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSWritableStream::destroy(JSC::JSCell* cell)
-{
-    JSWritableStream* thisObject = static_cast<JSWritableStream*>(cell);
-    thisObject->JSWritableStream::~JSWritableStream();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWritableStreamConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSWritableStreamPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSWritableStream::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-static inline JSValue jsWritableStream_lockedGetter(JSGlobalObject& lexicalGlobalObject, JSWritableStream& thisObject)
-{
-    auto& vm = JSC::getVM(&lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto& impl = thisObject.wrapped();
-    RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.locked())));
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWritableStream_locked, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName))
-{
-    return IDLAttribute<JSWritableStream>::get<jsWritableStream_lockedGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName);
-}
-
-static inline JSC::EncodedJSValue jsWritableStreamPrototypeFunction_abortBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperationReturningPromise<JSWritableStream>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    RELEASE_AND_RETURN(throwScope, (JSValue::encode(castedThis->abort(*lexicalGlobalObject, *callFrame))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsWritableStreamPrototypeFunction_abort, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperationReturningPromise<JSWritableStream>::callReturningOwnPromise<jsWritableStreamPrototypeFunction_abortBody>(*lexicalGlobalObject, *callFrame, "abort");
-}
-
-static inline JSC::EncodedJSValue jsWritableStreamPrototypeFunction_closeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperationReturningPromise<JSWritableStream>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    RELEASE_AND_RETURN(throwScope, (JSValue::encode(castedThis->close(*lexicalGlobalObject, *callFrame))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsWritableStreamPrototypeFunction_close, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperationReturningPromise<JSWritableStream>::callReturningOwnPromise<jsWritableStreamPrototypeFunction_closeBody>(*lexicalGlobalObject, *callFrame, "close");
-}
-
-static inline JSC::EncodedJSValue jsWritableStreamPrototypeFunction_getWriterBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWritableStream>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    RELEASE_AND_RETURN(throwScope, (JSValue::encode(castedThis->getWriter(*lexicalGlobalObject, *callFrame))));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsWritableStreamPrototypeFunction_getWriter, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSWritableStream>::call<jsWritableStreamPrototypeFunction_getWriterBody>(*lexicalGlobalObject, *callFrame, "getWriter");
-}
-
-JSC::GCClient::IsoSubspace* JSWritableStream::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSWritableStream, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForWritableStream.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForWritableStream = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForWritableStream.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForWritableStream = WTFMove(space); });
-}
-
-void JSWritableStream::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSWritableStream*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSWritableStreamOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSWritableStreamOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsWritableStream = static_cast<JSWritableStream*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsWritableStream->wrapped(), jsWritableStream);
-}
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<WritableStream>&& impl)
-{
-    return createWrapper<WritableStream>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, WritableStream& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-WritableStream* JSWritableStream::toWrapped(JSC::VM&, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSWritableStream*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStream.dep b/src/javascript/jsc/bindings/webcore/JSWritableStream.dep
deleted file mode 100644
index d936b4581..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStream.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSWritableStream.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStream.h b/src/javascript/jsc/bindings/webcore/JSWritableStream.h
deleted file mode 100644
index d8b971645..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStream.h
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-#include "WritableStream.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSWritableStream : public JSDOMWrapper<WritableStream> {
-public:
-    using Base = JSDOMWrapper<WritableStream>;
-    static JSWritableStream* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<WritableStream>&& impl)
-    {
-        JSWritableStream* ptr = new (NotNull, JSC::allocateCell<JSWritableStream>(globalObject->vm())) JSWritableStream(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static WritableStream* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-
-    // Custom functions
-    JSC::JSValue abort(JSC::JSGlobalObject&, JSC::CallFrame&);
-    JSC::JSValue close(JSC::JSGlobalObject&, JSC::CallFrame&);
-    JSC::JSValue getWriter(JSC::JSGlobalObject&, JSC::CallFrame&);
-protected:
-    JSWritableStream(JSC::Structure*, JSDOMGlobalObject&, Ref<WritableStream>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSWritableStreamOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, WritableStream*)
-{
-    static NeverDestroyed<JSWritableStreamOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(WritableStream* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, WritableStream&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, WritableStream* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<WritableStream>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<WritableStream>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<WritableStream> {
-    using WrapperClass = JSWritableStream;
-    using ToWrappedReturnType = WritableStream*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.cpp b/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.cpp
deleted file mode 100644
index fd4a50e3c..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.cpp
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSWritableStreamDefaultController.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "WebCoreJSClientData.h"
-#include "WritableStreamDefaultControllerBuiltins.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsWritableStreamDefaultControllerConstructor);
-
-class JSWritableStreamDefaultControllerPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSWritableStreamDefaultControllerPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSWritableStreamDefaultControllerPrototype* ptr = new (NotNull, JSC::allocateCell<JSWritableStreamDefaultControllerPrototype>(vm)) JSWritableStreamDefaultControllerPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWritableStreamDefaultControllerPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSWritableStreamDefaultControllerPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWritableStreamDefaultControllerPrototype, JSWritableStreamDefaultControllerPrototype::Base);
-
-using JSWritableStreamDefaultControllerDOMConstructor = JSDOMBuiltinConstructor<JSWritableStreamDefaultController>;
-
-template<> const ClassInfo JSWritableStreamDefaultControllerDOMConstructor::s_info = { "WritableStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamDefaultControllerDOMConstructor) };
-
-template<> JSValue JSWritableStreamDefaultControllerDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSWritableStreamDefaultControllerDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "WritableStreamDefaultController"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSWritableStreamDefaultController::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSWritableStreamDefaultControllerDOMConstructor::initializeExecutable(VM& vm)
-{
-    return writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSWritableStreamDefaultControllerPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWritableStreamDefaultControllerConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "error"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(writableStreamDefaultControllerErrorCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSWritableStreamDefaultControllerPrototype::s_info = { "WritableStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamDefaultControllerPrototype) };
-
-void JSWritableStreamDefaultControllerPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSWritableStreamDefaultController::info(), JSWritableStreamDefaultControllerPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSWritableStreamDefaultController::s_info = { "WritableStreamDefaultController"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamDefaultController) };
-
-JSWritableStreamDefaultController::JSWritableStreamDefaultController(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSWritableStreamDefaultController::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSWritableStreamDefaultController::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSWritableStreamDefaultControllerPrototype::create(vm, &globalObject, JSWritableStreamDefaultControllerPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSWritableStreamDefaultController::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSWritableStreamDefaultController>(vm, globalObject);
-}
-
-JSValue JSWritableStreamDefaultController::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSWritableStreamDefaultControllerDOMConstructor, DOMConstructorID::WritableStreamDefaultController>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSWritableStreamDefaultController::destroy(JSC::JSCell* cell)
-{
-    JSWritableStreamDefaultController* thisObject = static_cast<JSWritableStreamDefaultController*>(cell);
-    thisObject->JSWritableStreamDefaultController::~JSWritableStreamDefaultController();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWritableStreamDefaultControllerConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSWritableStreamDefaultControllerPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSWritableStreamDefaultController::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSWritableStreamDefaultController::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSWritableStreamDefaultController, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForWritableStreamDefaultController.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForWritableStreamDefaultController = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForWritableStreamDefaultController.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForWritableStreamDefaultController = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.dep b/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.dep
deleted file mode 100644
index a1ac70d47..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSWritableStreamDefaultController.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.h b/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.h
deleted file mode 100644
index 8da0be568..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultController.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSWritableStreamDefaultController : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSWritableStreamDefaultController* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSWritableStreamDefaultController* ptr = new (NotNull, JSC::allocateCell<JSWritableStreamDefaultController>(globalObject->vm())) JSWritableStreamDefaultController(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSWritableStreamDefaultController(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.cpp b/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.cpp
deleted file mode 100644
index 4a5eb707d..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.cpp
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSWritableStreamDefaultWriter.h"
-
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "JSDOMAttribute.h"
-#include "JSDOMBinding.h"
-#include "JSDOMBuiltinConstructor.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObjectInlines.h"
-#include "JSDOMOperation.h"
-#include "JSDOMWrapperCache.h"
-#include "WebCoreJSClientData.h"
-#include "WritableStreamDefaultWriterBuiltins.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-
-// Attributes
-
-static JSC_DECLARE_CUSTOM_GETTER(jsWritableStreamDefaultWriterConstructor);
-
-class JSWritableStreamDefaultWriterPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSWritableStreamDefaultWriterPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSWritableStreamDefaultWriterPrototype* ptr = new (NotNull, JSC::allocateCell<JSWritableStreamDefaultWriterPrototype>(vm)) JSWritableStreamDefaultWriterPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWritableStreamDefaultWriterPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSWritableStreamDefaultWriterPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWritableStreamDefaultWriterPrototype, JSWritableStreamDefaultWriterPrototype::Base);
-
-using JSWritableStreamDefaultWriterDOMConstructor = JSDOMBuiltinConstructor<JSWritableStreamDefaultWriter>;
-
-template<> const ClassInfo JSWritableStreamDefaultWriterDOMConstructor::s_info = { "WritableStreamDefaultWriter"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamDefaultWriterDOMConstructor) };
-
-template<> JSValue JSWritableStreamDefaultWriterDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
-{
-    UNUSED_PARAM(vm);
-    return globalObject.functionPrototype();
-}
-
-template<> void JSWritableStreamDefaultWriterDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    putDirect(vm, vm.propertyNames->length, jsNumber(1), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    JSString* nameString = jsNontrivialString(vm, "WritableStreamDefaultWriter"_s);
-    m_originalName.set(vm, this, nameString);
-    putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
-    putDirect(vm, vm.propertyNames->prototype, JSWritableStreamDefaultWriter::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete);
-}
-
-template<> FunctionExecutable* JSWritableStreamDefaultWriterDOMConstructor::initializeExecutable(VM& vm)
-{
-    return writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeGenerator(vm);
-}
-
-/* Hash table for prototype */
-
-static const HashTableValue JSWritableStreamDefaultWriterPrototypeTableValues[] =
-{
-    { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWritableStreamDefaultWriterConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
-    { "closed"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(writableStreamDefaultWriterClosedCodeGenerator), (intptr_t) (0) } },
-    { "desiredSize"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(writableStreamDefaultWriterDesiredSizeCodeGenerator), (intptr_t) (0) } },
-    { "ready"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(writableStreamDefaultWriterReadyCodeGenerator), (intptr_t) (0) } },
-    { "abort"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(writableStreamDefaultWriterAbortCodeGenerator), (intptr_t) (0) } },
-    { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(writableStreamDefaultWriterCloseCodeGenerator), (intptr_t) (0) } },
-    { "releaseLock"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(writableStreamDefaultWriterReleaseLockCodeGenerator), (intptr_t) (0) } },
-    { "write"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { (intptr_t)static_cast<BuiltinGenerator>(writableStreamDefaultWriterWriteCodeGenerator), (intptr_t) (0) } },
-};
-
-const ClassInfo JSWritableStreamDefaultWriterPrototype::s_info = { "WritableStreamDefaultWriter"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamDefaultWriterPrototype) };
-
-void JSWritableStreamDefaultWriterPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSWritableStreamDefaultWriter::info(), JSWritableStreamDefaultWriterPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSWritableStreamDefaultWriter::s_info = { "WritableStreamDefaultWriter"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamDefaultWriter) };
-
-JSWritableStreamDefaultWriter::JSWritableStreamDefaultWriter(Structure* structure, JSDOMGlobalObject& globalObject)
-    : JSDOMObject(structure, globalObject) { }
-
-void JSWritableStreamDefaultWriter::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-}
-
-JSObject* JSWritableStreamDefaultWriter::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSWritableStreamDefaultWriterPrototype::create(vm, &globalObject, JSWritableStreamDefaultWriterPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSWritableStreamDefaultWriter::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSWritableStreamDefaultWriter>(vm, globalObject);
-}
-
-JSValue JSWritableStreamDefaultWriter::getConstructor(VM& vm, const JSGlobalObject* globalObject)
-{
-    return getDOMConstructor<JSWritableStreamDefaultWriterDOMConstructor, DOMConstructorID::WritableStreamDefaultWriter>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
-}
-
-void JSWritableStreamDefaultWriter::destroy(JSC::JSCell* cell)
-{
-    JSWritableStreamDefaultWriter* thisObject = static_cast<JSWritableStreamDefaultWriter*>(cell);
-    thisObject->JSWritableStreamDefaultWriter::~JSWritableStreamDefaultWriter();
-}
-
-JSC_DEFINE_CUSTOM_GETTER(jsWritableStreamDefaultWriterConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
-{
-    VM& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    auto* prototype = jsDynamicCast<JSWritableStreamDefaultWriterPrototype*>(JSValue::decode(thisValue));
-    if (UNLIKELY(!prototype))
-        return throwVMTypeError(lexicalGlobalObject, throwScope);
-    return JSValue::encode(JSWritableStreamDefaultWriter::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
-}
-
-JSC::GCClient::IsoSubspace* JSWritableStreamDefaultWriter::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSWritableStreamDefaultWriter, UseCustomHeapCellType::No>(vm,
-        [] (auto& spaces) { return spaces.m_clientSubspaceForWritableStreamDefaultWriter.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForWritableStreamDefaultWriter = WTFMove(space); },
-        [] (auto& spaces) { return spaces.m_subspaceForWritableStreamDefaultWriter.get(); },
-        [] (auto& spaces, auto&& space) { spaces.m_subspaceForWritableStreamDefaultWriter = WTFMove(space); }
-    );
-}
-
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.dep b/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.dep
deleted file mode 100644
index 3016ea662..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSWritableStreamDefaultWriter.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.h b/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.h
deleted file mode 100644
index bc13fb8c1..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamDefaultWriter.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-
-namespace WebCore {
-
-class JSWritableStreamDefaultWriter : public JSDOMObject {
-public:
-    using Base = JSDOMObject;
-    static JSWritableStreamDefaultWriter* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject)
-    {
-        JSWritableStreamDefaultWriter* ptr = new (NotNull, JSC::allocateCell<JSWritableStreamDefaultWriter>(globalObject->vm())) JSWritableStreamDefaultWriter(structure, *globalObject);
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    static JSC::JSValue getConstructor(JSC::VM&, const JSC::JSGlobalObject*);
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-protected:
-    JSWritableStreamDefaultWriter(JSC::Structure*, JSDOMGlobalObject&);
-
-    void finishCreation(JSC::VM&);
-};
-
-
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.cpp b/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.cpp
deleted file mode 100644
index ffc2816f5..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.cpp
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#include "config.h"
-#include "JSWritableStreamSink.h"
-
-#include "ActiveDOMObject.h"
-#include "DOMPromiseProxy.h"
-#include "ExtendedDOMClientIsoSubspaces.h"
-#include "ExtendedDOMIsoSubspaces.h"
-#include "IDLTypes.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConvertAny.h"
-#include "JSDOMConvertBase.h"
-#include "JSDOMConvertPromise.h"
-#include "JSDOMConvertStrings.h"
-#include "JSDOMExceptionHandling.h"
-#include "JSDOMGlobalObject.h"
-#include "JSDOMOperation.h"
-#include "JSDOMOperationReturningPromise.h"
-#include "JSDOMWrapperCache.h"
-#include "ScriptExecutionContext.h"
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/HeapAnalyzer.h>
-#include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
-#include <JavaScriptCore/SlotVisitorMacros.h>
-#include <JavaScriptCore/SubspaceInlines.h>
-#include <wtf/GetPtr.h>
-#include <wtf/PointerPreparations.h>
-#include <wtf/URL.h>
-
-namespace WebCore {
-using namespace JSC;
-
-// Functions
-
-static JSC_DECLARE_HOST_FUNCTION(jsWritableStreamSinkPrototypeFunction_write);
-static JSC_DECLARE_HOST_FUNCTION(jsWritableStreamSinkPrototypeFunction_close);
-static JSC_DECLARE_HOST_FUNCTION(jsWritableStreamSinkPrototypeFunction_error);
-
-class JSWritableStreamSinkPrototype final : public JSC::JSNonFinalObject {
-public:
-    using Base = JSC::JSNonFinalObject;
-    static JSWritableStreamSinkPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
-    {
-        JSWritableStreamSinkPrototype* ptr = new (NotNull, JSC::allocateCell<JSWritableStreamSinkPrototype>(vm)) JSWritableStreamSinkPrototype(vm, globalObject, structure);
-        ptr->finishCreation(vm);
-        return ptr;
-    }
-
-    DECLARE_INFO;
-    template<typename CellType, JSC::SubspaceAccess>
-    static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWritableStreamSinkPrototype, Base);
-        return &vm.plainObjectSpace();
-    }
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
-    }
-
-private:
-    JSWritableStreamSinkPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
-        : JSC::JSNonFinalObject(vm, structure)
-    {
-    }
-
-    void finishCreation(JSC::VM&);
-};
-STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSWritableStreamSinkPrototype, JSWritableStreamSinkPrototype::Base);
-
-/* Hash table for prototype */
-
-static const HashTableValue JSWritableStreamSinkPrototypeTableValues[] = {
-    { "write"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsWritableStreamSinkPrototypeFunction_write), (intptr_t)(1) } },
-    { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsWritableStreamSinkPrototypeFunction_close), (intptr_t)(0) } },
-    { "error"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsWritableStreamSinkPrototypeFunction_error), (intptr_t)(1) } },
-};
-
-const ClassInfo JSWritableStreamSinkPrototype::s_info = { "WritableStreamSink"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamSinkPrototype) };
-
-void JSWritableStreamSinkPrototype::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    reifyStaticProperties(vm, JSWritableStreamSink::info(), JSWritableStreamSinkPrototypeTableValues, *this);
-    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
-}
-
-const ClassInfo JSWritableStreamSink::s_info = { "WritableStreamSink"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWritableStreamSink) };
-
-JSWritableStreamSink::JSWritableStreamSink(Structure* structure, JSDOMGlobalObject& globalObject, Ref<WritableStreamSink>&& impl)
-    : JSDOMWrapper<WritableStreamSink>(structure, globalObject, WTFMove(impl))
-{
-}
-
-void JSWritableStreamSink::finishCreation(VM& vm)
-{
-    Base::finishCreation(vm);
-    ASSERT(inherits(info()));
-
-    // static_assert(!std::is_base_of<ActiveDOMObject, WritableStreamSink>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
-}
-
-JSObject* JSWritableStreamSink::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return JSWritableStreamSinkPrototype::create(vm, &globalObject, JSWritableStreamSinkPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()));
-}
-
-JSObject* JSWritableStreamSink::prototype(VM& vm, JSDOMGlobalObject& globalObject)
-{
-    return getDOMPrototype<JSWritableStreamSink>(vm, globalObject);
-}
-
-void JSWritableStreamSink::destroy(JSC::JSCell* cell)
-{
-    JSWritableStreamSink* thisObject = static_cast<JSWritableStreamSink*>(cell);
-    thisObject->JSWritableStreamSink::~JSWritableStreamSink();
-}
-
-static inline JSC::EncodedJSValue jsWritableStreamSinkPrototypeFunction_writeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperationReturningPromise<JSWritableStreamSink>::ClassParameter castedThis, Ref<DeferredPromise>&& promise)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    auto* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext();
-    if (UNLIKELY(!context))
-        return JSValue::encode(jsUndefined());
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto value = convert<IDLAny>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLPromise<IDLUndefined>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, [&]() -> decltype(auto) { return impl.write(*context, WTFMove(value), WTFMove(promise)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsWritableStreamSinkPrototypeFunction_write, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperationReturningPromise<JSWritableStreamSink>::call<jsWritableStreamSinkPrototypeFunction_writeBody>(*lexicalGlobalObject, *callFrame, "write");
-}
-
-static inline JSC::EncodedJSValue jsWritableStreamSinkPrototypeFunction_closeBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWritableStreamSink>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.close(); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsWritableStreamSinkPrototypeFunction_close, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSWritableStreamSink>::call<jsWritableStreamSinkPrototypeFunction_closeBody>(*lexicalGlobalObject, *callFrame, "close");
-}
-
-static inline JSC::EncodedJSValue jsWritableStreamSinkPrototypeFunction_errorBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSWritableStreamSink>::ClassParameter castedThis)
-{
-    auto& vm = JSC::getVM(lexicalGlobalObject);
-    auto throwScope = DECLARE_THROW_SCOPE(vm);
-    UNUSED_PARAM(throwScope);
-    UNUSED_PARAM(callFrame);
-    auto& impl = castedThis->wrapped();
-    if (UNLIKELY(callFrame->argumentCount() < 1))
-        return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
-    EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
-    auto message = convert<IDLDOMString>(*lexicalGlobalObject, argument0.value());
-    RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
-    RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.error(WTFMove(message)); })));
-}
-
-JSC_DEFINE_HOST_FUNCTION(jsWritableStreamSinkPrototypeFunction_error, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame))
-{
-    return IDLOperation<JSWritableStreamSink>::call<jsWritableStreamSinkPrototypeFunction_errorBody>(*lexicalGlobalObject, *callFrame, "error");
-}
-
-JSC::GCClient::IsoSubspace* JSWritableStreamSink::subspaceForImpl(JSC::VM& vm)
-{
-    return WebCore::subspaceForImpl<JSWritableStreamSink, UseCustomHeapCellType::No>(
-        vm,
-        [](auto& spaces) { return spaces.m_clientSubspaceForWritableStreamSink.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForWritableStreamSink = WTFMove(space); },
-        [](auto& spaces) { return spaces.m_subspaceForWritableStreamSink.get(); },
-        [](auto& spaces, auto&& space) { spaces.m_subspaceForWritableStreamSink = WTFMove(space); });
-}
-
-void JSWritableStreamSink::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
-{
-    auto* thisObject = jsCast<JSWritableStreamSink*>(cell);
-    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
-    if (thisObject->scriptExecutionContext())
-        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
-    Base::analyzeHeap(cell, analyzer);
-}
-
-bool JSWritableStreamSinkOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason)
-{
-    UNUSED_PARAM(handle);
-    UNUSED_PARAM(visitor);
-    UNUSED_PARAM(reason);
-    return false;
-}
-
-void JSWritableStreamSinkOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto* jsWritableStreamSink = static_cast<JSWritableStreamSink*>(handle.slot()->asCell());
-    auto& world = *static_cast<DOMWrapperWorld*>(context);
-    uncacheWrapper(world, &jsWritableStreamSink->wrapped(), jsWritableStreamSink);
-}
-
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<WritableStreamSink>&& impl)
-{
-    return createWrapper<WritableStreamSink>(globalObject, WTFMove(impl));
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, WritableStreamSink& impl)
-{
-    return wrap(lexicalGlobalObject, globalObject, impl);
-}
-
-WritableStreamSink* JSWritableStreamSink::toWrapped(JSC::VM&, JSC::JSValue value)
-{
-    if (auto* wrapper = jsDynamicCast<JSWritableStreamSink*>(value))
-        return &wrapper->wrapped();
-    return nullptr;
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.dep b/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.dep
deleted file mode 100644
index c1891fdd8..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.dep
+++ /dev/null
@@ -1 +0,0 @@
-JSWritableStreamSink.h : 
diff --git a/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.h b/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.h
deleted file mode 100644
index 7537792a2..000000000
--- a/src/javascript/jsc/bindings/webcore/JSWritableStreamSink.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
-    This file is part of the WebKit open source project.
-    This file has been generated by generate-bindings.pl. DO NOT MODIFY!
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-#include "WritableStreamSink.h"
-#include <wtf/NeverDestroyed.h>
-
-namespace WebCore {
-
-class JSWritableStreamSink : public JSDOMWrapper<WritableStreamSink> {
-public:
-    using Base = JSDOMWrapper<WritableStreamSink>;
-    static JSWritableStreamSink* create(JSC::Structure* structure, JSDOMGlobalObject* globalObject, Ref<WritableStreamSink>&& impl)
-    {
-        JSWritableStreamSink* ptr = new (NotNull, JSC::allocateCell<JSWritableStreamSink>(globalObject->vm())) JSWritableStreamSink(structure, *globalObject, WTFMove(impl));
-        ptr->finishCreation(globalObject->vm());
-        return ptr;
-    }
-
-    static JSC::JSObject* createPrototype(JSC::VM&, JSDOMGlobalObject&);
-    static JSC::JSObject* prototype(JSC::VM&, JSDOMGlobalObject&);
-    static WritableStreamSink* toWrapped(JSC::VM&, JSC::JSValue);
-    static void destroy(JSC::JSCell*);
-
-    DECLARE_INFO;
-
-    static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
-    {
-        return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info(), JSC::NonArray);
-    }
-
-    template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
-    {
-        if constexpr (mode == JSC::SubspaceAccess::Concurrently)
-            return nullptr;
-        return subspaceForImpl(vm);
-    }
-    static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
-    static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&);
-protected:
-    JSWritableStreamSink(JSC::Structure*, JSDOMGlobalObject&, Ref<WritableStreamSink>&&);
-
-    void finishCreation(JSC::VM&);
-};
-
-class JSWritableStreamSinkOwner final : public JSC::WeakHandleOwner {
-public:
-    bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) final;
-    void finalize(JSC::Handle<JSC::Unknown>, void* context) final;
-};
-
-inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, WritableStreamSink*)
-{
-    static NeverDestroyed<JSWritableStreamSinkOwner> owner;
-    return &owner.get();
-}
-
-inline void* wrapperKey(WritableStreamSink* wrappableObject)
-{
-    return wrappableObject;
-}
-
-JSC::JSValue toJS(JSC::JSGlobalObject*, JSDOMGlobalObject*, WritableStreamSink&);
-inline JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, WritableStreamSink* impl) { return impl ? toJS(lexicalGlobalObject, globalObject, *impl) : JSC::jsNull(); }
-JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<WritableStreamSink>&&);
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, RefPtr<WritableStreamSink>&& impl) { return impl ? toJSNewlyCreated(lexicalGlobalObject, globalObject, impl.releaseNonNull()) : JSC::jsNull(); }
-
-template<> struct JSDOMWrapperConverterTraits<WritableStreamSink> {
-    using WrapperClass = JSWritableStreamSink;
-    using ToWrappedReturnType = WritableStreamSink*;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/MessageEvent.cpp b/src/javascript/jsc/bindings/webcore/MessageEvent.cpp
deleted file mode 100644
index b210f4cec..000000000
--- a/src/javascript/jsc/bindings/webcore/MessageEvent.cpp
+++ /dev/null
@@ -1,125 +0,0 @@
-/*
- * Copyright (C) 2007 Henry Mason (hmason@mac.com)
- * Copyright (C) 2003-2018 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-#include "root.h"
-#include "config.h"
-#include "MessageEvent.h"
-
-// #include "Blob.h"
-#include "EventNames.h"
-#include <JavaScriptCore/JSCInlines.h>
-// #include <wtf/IsoMallocInlines.h>
-
-namespace WebCore {
-
-using namespace JSC;
-
-WTF_MAKE_ISO_ALLOCATED_IMPL(MessageEvent);
-
-MessageEvent::MessageEvent() = default;
-
-inline MessageEvent::MessageEvent(const AtomString& type, Init&& initializer, IsTrusted isTrusted)
-    : Event(type, initializer, isTrusted)
-    , m_data(JSValueTag {})
-    , m_origin(initializer.origin)
-    , m_lastEventId(initializer.lastEventId)
-    , m_source(WTFMove(initializer.source))
-    // , m_ports(WTFMove(initializer.ports))
-    , m_jsData(initializer.data)
-{
-}
-
-inline MessageEvent::MessageEvent(const AtomString& type, DataType&& data, const String& origin, const String& lastEventId, std::optional<MessageEventSource>&& source /*, Vector<RefPtr<MessagePort>>&& ports*/)
-    : Event(type, CanBubble::No, IsCancelable::No)
-    , m_data(WTFMove(data))
-    , m_origin(origin)
-    , m_lastEventId(lastEventId)
-    , m_source(WTFMove(source))
-// , m_ports(WTFMove(ports))
-{
-}
-
-Ref<MessageEvent> MessageEvent::create(const AtomString& type, DataType&& data, const String& origin, const String& lastEventId, std::optional<MessageEventSource>&& source /*, Vector<RefPtr<MessagePort>>&& ports*/)
-{
-    return adoptRef(*new MessageEvent(type, WTFMove(data), origin, lastEventId, WTFMove(source) /*, /*WTFMove(ports)*/));
-}
-
-Ref<MessageEvent> MessageEvent::create(DataType&& data, const String& origin, const String& lastEventId, std::optional<MessageEventSource>&& source /*, Vector<RefPtr<MessagePort>>&& ports*/)
-{
-    return create(eventNames().messageEvent, WTFMove(data), origin, lastEventId, WTFMove(source) /*, /*WTFMove(ports)*/);
-}
-
-Ref<MessageEvent> MessageEvent::createForBindings()
-{
-    return adoptRef(*new MessageEvent);
-}
-
-Ref<MessageEvent> MessageEvent::create(const AtomString& type, Init&& initializer, IsTrusted isTrusted)
-{
-    return adoptRef(*new MessageEvent(type, WTFMove(initializer), isTrusted));
-}
-
-MessageEvent::~MessageEvent() = default;
-
-void MessageEvent::initMessageEvent(const AtomString& type, bool canBubble, bool cancelable, JSValue data, const String& origin, const String& lastEventId, std::optional<MessageEventSource>&& source /*, Vector<RefPtr<MessagePort>>&& ports*/)
-{
-    if (isBeingDispatched())
-        return;
-
-    initEvent(type, canBubble, cancelable);
-
-    {
-        Locker { m_concurrentDataAccessLock };
-        m_data = JSValueTag {};
-    }
-    // FIXME: This code is wrong: we should emit a write-barrier. Otherwise, GC can collect it.
-    // https://bugs.webkit.org/show_bug.cgi?id=236353
-    m_jsData.setWeakly(data);
-    m_cachedData.clear();
-    m_origin = origin;
-    m_lastEventId = lastEventId;
-    m_source = WTFMove(source);
-    // m_ports = WTFMove(ports);
-    m_cachedPorts.clear();
-}
-
-EventInterface MessageEvent::eventInterface() const
-{
-    return MessageEventInterfaceType;
-}
-
-size_t MessageEvent::memoryCost() const
-{
-    Locker { m_concurrentDataAccessLock };
-    return WTF::switchOn(
-        m_data, [](JSValueTag) -> size_t { return 0; },
-        // [](const Ref<SerializedScriptValue>& data) -> size_t { return data->memoryCost(); },
-        [](const String& string) -> size_t { return string.sizeInBytes(); },
-        // [](const Ref<Blob>& blob) -> size_t { return blob->size(); },
-        [](const Ref<ArrayBuffer>& buffer) -> size_t { return buffer->byteLength(); });
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/MessageEvent.h b/src/javascript/jsc/bindings/webcore/MessageEvent.h
deleted file mode 100644
index 4089e2ca1..000000000
--- a/src/javascript/jsc/bindings/webcore/MessageEvent.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright (C) 2007 Henry Mason (hmason@mac.com)
- * Copyright (C) 2003-2018 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#pragma once
-
-#include "Event.h"
-#include "JSValueInWrappedObject.h"
-// #include "MessagePort.h"
-// #include "SerializedScriptValue.h"
-// #include "ServiceWorker.h"
-// #include "WindowProxy.h"
-#include <variant>
-
-namespace WebCore {
-
-class MessagePort : public RefCounted<MessagePort> {
-};
-
-class MessageEventSource {
-};
-
-class MessageEvent final : public Event {
-    WTF_MAKE_ISO_ALLOCATED(MessageEvent);
-
-public:
-    struct JSValueTag {
-    };
-    // using DataType = std::variant<JSValueTag, Ref<SerializedScriptValue>, String, Ref<Blob>, Ref<ArrayBuffer>>;
-    using DataType = std::variant<JSValueTag, String, Ref<ArrayBuffer>>;
-    static Ref<MessageEvent> create(const AtomString& type, DataType&&, const String& origin = {}, const String& lastEventId = {}, std::optional<MessageEventSource>&& = std::nullopt /*, Vector<RefPtr<MessagePort>>&& = {}*/);
-    static Ref<MessageEvent> create(DataType&&, const String& origin = {}, const String& lastEventId = {}, std::optional<MessageEventSource>&& = std::nullopt /*, Vector<RefPtr<MessagePort>>&& = {}*/);
-    static Ref<MessageEvent> createForBindings();
-
-    struct Init : EventInit {
-        JSC::JSValue data;
-        String origin;
-        String lastEventId;
-        std::optional<MessageEventSource> source;
-        // Vector<RefPtr<MessagePort>> ports;
-    };
-    static Ref<MessageEvent> create(const AtomString& type, Init&&, IsTrusted = IsTrusted::No);
-
-    virtual ~MessageEvent();
-
-    void initMessageEvent(const AtomString& type, bool canBubble, bool cancelable, JSC::JSValue data, const String& origin, const String& lastEventId, std::optional<MessageEventSource>&& /*, Vector<RefPtr<MessagePort>>&&*/);
-
-    const String& origin() const { return m_origin; }
-    const String& lastEventId() const { return m_lastEventId; }
-    const std::optional<MessageEventSource>& source() const { return m_source; }
-    // const Vector<RefPtr<MessagePort>>& ports() const { return m_ports; }
-
-    const DataType& data() const { return m_data; }
-
-    JSValueInWrappedObject& jsData() { return m_jsData; }
-    JSValueInWrappedObject& cachedData() { return m_cachedData; }
-    JSValueInWrappedObject& cachedPorts() { return m_cachedPorts; }
-
-    size_t memoryCost() const;
-
-private:
-    MessageEvent();
-    MessageEvent(const AtomString& type, Init&&, IsTrusted);
-    MessageEvent(const AtomString& type, DataType&&, const String& origin, const String& lastEventId = {}, std::optional<MessageEventSource>&& = std::nullopt /*, Vector<RefPtr<MessagePort>>&& = {}*/);
-
-    EventInterface eventInterface() const final;
-
-    DataType m_data;
-    String m_origin;
-    String m_lastEventId;
-    std::optional<MessageEventSource> m_source;
-    // Vector<RefPtr<MessagePort>> m_ports;
-
-    JSValueInWrappedObject m_jsData;
-    JSValueInWrappedObject m_cachedData;
-    JSValueInWrappedObject m_cachedPorts;
-
-    mutable Lock m_concurrentDataAccessLock;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/MessageEvent.idl b/src/javascript/jsc/bindings/webcore/MessageEvent.idl
deleted file mode 100644
index dff0a218a..000000000
--- a/src/javascript/jsc/bindings/webcore/MessageEvent.idl
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2007 Henry Mason <hmason@mac.com>
- * Copyright (C) 2011 Google Inc. All rights reserved.
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- *
- */
-
-#if defined(ENABLE_SERVICE_WORKER) && ENABLE_SERVICE_WORKER
-typedef (WindowProxy or MessagePort or ServiceWorker) MessageEventSource;
-#else
-typedef (WindowProxy or MessagePort) MessageEventSource;
-#endif
-
-[
-    Exposed=(Window,Worker,AudioWorklet),
-    JSCustomMarkFunction,
-    ReportExtraMemoryCost,
-] interface MessageEvent : Event {
-    constructor([AtomString] DOMString type, optional MessageEventInit eventInitDict);
-
-    readonly attribute USVString origin;
-    readonly attribute DOMString lastEventId;
-    readonly attribute MessageEventSource? source;
-    [CustomGetter] readonly attribute any data;
-    [CustomGetter] readonly attribute FrozenArray<MessagePort> ports;
-
-    undefined initMessageEvent([AtomString] DOMString type, optional boolean bubbles = false, optional boolean cancelable = false,
-        optional any data = null, optional USVString originArg = "", optional DOMString lastEventId = "", optional MessageEventSource? source = null,
-        optional sequence<MessagePort> messagePorts = []);
-};
-
-dictionary MessageEventInit : EventInit {
-    any data = null;
-    USVString origin = "";
-    DOMString lastEventId = "";
-    MessageEventSource? source = null;
-    sequence<MessagePort> ports = [];
-};
diff --git a/src/javascript/jsc/bindings/webcore/Node.h b/src/javascript/jsc/bindings/webcore/Node.h
deleted file mode 100644
index df9917a25..000000000
--- a/src/javascript/jsc/bindings/webcore/Node.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004-2020 Apple Inc. All rights reserved.
- * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#pragma once
-
-#include "root.h"
-
-#include "EventTarget.h"
-#include "ExceptionOr.h"
-#include <wtf/CompactUniquePtrTuple.h>
-#include <wtf/FixedVector.h>
-#include <wtf/Forward.h>
-// #include <wtf/IsoMalloc.h>
-#include <wtf/ListHashSet.h>
-#include <wtf/MainThread.h>
-#include <wtf/OptionSet.h>
-#include <wtf/URLHash.h>
-#include <wtf/WeakPtr.h>
-#include "EventTargetConcrete.h"
-
-namespace WebCore {
-
-// The full Node type is way too much stuff
-// this ones just a baby
-class Node : public RefPtr<Node>, CanMakeWeakPtr<Node>, public EventTarget {
-    WTF_MAKE_ISO_ALLOCATED(Node);
-
-    static constexpr uint32_t s_refCountIncrement = 2;
-    static constexpr uint32_t s_refCountMask = ~static_cast<uint32_t>(1);
-
-public:
-    void defaultEventHandler(Event&)
-    {
-        // do nothing
-    }
-
-    void handleEvent(ScriptExecutionContext&, Event&)
-    {
-    }
-
-    bool hasEventTargetData()
-    {
-        return true;
-    }
-
-    void ref() const;
-    void deref() const;
-    bool hasOneRef() const;
-    unsigned refCount() const;
-
-    void removedLastRef() {}
-
-    mutable uint32_t m_refCountAndParentBit { s_refCountIncrement };
-    // mutable OptionSet<NodeFlag> m_nodeFlags;
-};
-
-#if ASSERT_ENABLED
-
-inline void adopted(Node* node)
-{
-    if (!node)
-        return;
-    ASSERT(!node->m_deletionHasBegun);
-    ASSERT(!node->m_inRemovedLastRefFunction);
-    node->m_adoptionIsRequired = false;
-}
-
-#endif // ASSERT_ENABLED
-
-ALWAYS_INLINE void Node::ref() const
-{
-    ASSERT(isMainThread());
-    ASSERT(!m_deletionHasBegun);
-    ASSERT(!m_inRemovedLastRefFunction);
-    ASSERT(!m_adoptionIsRequired);
-    m_refCountAndParentBit += s_refCountIncrement;
-}
-
-ALWAYS_INLINE void Node::deref() const
-{
-    ASSERT(isMainThread());
-    ASSERT(refCount());
-    ASSERT(!m_deletionHasBegun);
-    ASSERT(!m_inRemovedLastRefFunction);
-    ASSERT(!m_adoptionIsRequired);
-    auto updatedRefCount = m_refCountAndParentBit - s_refCountIncrement;
-    if (!updatedRefCount) {
-        // Don't update m_refCountAndParentBit to avoid double destruction through use of Ref<T>/RefPtr<T>.
-        // (This is a security mitigation in case of programmer error. It will ASSERT in debug builds.)
-#if ASSERT_ENABLED
-        m_inRemovedLastRefFunction = true;
-#endif
-        const_cast<Node&>(*this).removedLastRef();
-        return;
-    }
-    m_refCountAndParentBit = updatedRefCount;
-}
-
-ALWAYS_INLINE bool Node::hasOneRef() const
-{
-    ASSERT(!m_deletionHasBegun);
-    ASSERT(!m_inRemovedLastRefFunction);
-    return refCount() == 1;
-}
-
-ALWAYS_INLINE unsigned Node::refCount() const
-{
-    return m_refCountAndParentBit / s_refCountIncrement;
-}
-
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/ParsedContentType.cpp b/src/javascript/jsc/bindings/webcore/ParsedContentType.cpp
deleted file mode 100644
index 04b30cf9b..000000000
--- a/src/javascript/jsc/bindings/webcore/ParsedContentType.cpp
+++ /dev/null
@@ -1,421 +0,0 @@
-/*
- * Copyright (C) 2011 Google Inc. All rights reserved.
- * Copyright (C) 2012 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ParsedContentType.h"
-
-#include "HTTPParsers.h"
-#include <wtf/text/CString.h>
-#include <wtf/text/StringBuilder.h>
-
-namespace WebCore {
-
-static void skipSpaces(StringView input, unsigned& startIndex)
-{
-    while (startIndex < input.length() && isHTTPSpace(input[startIndex]))
-        ++startIndex;
-}
-
-static bool isQuotedStringTokenCharacter(UChar c)
-{
-    return (c >= ' ' && c <= '~') || (c >= 0x80 && c <= 0xFF) || c == '\t';
-}
-
-static bool isTokenCharacter(UChar c)
-{
-    return isASCII(c) && c > ' ' && c != '"' && c != '(' && c != ')' && c != ',' && c != '/' && (c < ':' || c > '@') && (c < '[' || c > ']');
-}
-
-using CharacterMeetsCondition = bool (*)(UChar);
-
-static StringView parseToken(StringView input, unsigned& startIndex, CharacterMeetsCondition characterMeetsCondition, Mode mode, bool skipTrailingWhitespace = false)
-{
-    unsigned inputLength = input.length();
-    unsigned tokenStart = startIndex;
-    unsigned& tokenEnd = startIndex;
-
-    if (tokenEnd >= inputLength)
-        return StringView();
-
-    while (tokenEnd < inputLength && characterMeetsCondition(input[tokenEnd])) {
-        if (mode == Mode::Rfc2045 && !isTokenCharacter(input[tokenEnd]))
-            break;
-        ++tokenEnd;
-    }
-
-    if (tokenEnd == tokenStart)
-        return StringView();
-    if (skipTrailingWhitespace) {
-        if (mode == Mode::Rfc2045) {
-            while (input[tokenEnd - 1] == ' ')
-                --tokenEnd;
-        } else {
-            while (isHTTPSpace(input[tokenEnd - 1]))
-                --tokenEnd;
-        }
-    }
-    return input.substring(tokenStart, tokenEnd - tokenStart);
-}
-
-static bool isNotQuoteOrBackslash(UChar ch)
-{
-    return ch != '"' && ch != '\\';
-}
-
-static String collectHTTPQuotedString(StringView input, unsigned& startIndex)
-{
-    ASSERT(input[startIndex] == '"');
-    unsigned inputLength = input.length();
-    unsigned& position = startIndex;
-    position++;
-    StringBuilder builder;
-    while (true) {
-        unsigned positionStart = position;
-        parseToken(input, position, isNotQuoteOrBackslash, Mode::MimeSniff);
-        builder.append(input.substring(positionStart, position - positionStart));
-        if (position >= inputLength)
-            break;
-        UChar quoteOrBackslash = input[position++];
-        if (quoteOrBackslash == '\\') {
-            if (position >= inputLength) {
-                builder.append(quoteOrBackslash);
-                break;
-            }
-            builder.append(input[position++]);
-        } else {
-            ASSERT(quoteOrBackslash == '"');
-            break;
-        }
-    }
-    return builder.toString();
-}
-
-static bool containsNonTokenCharacters(StringView input, Mode mode)
-{
-    if (mode == Mode::MimeSniff)
-        return !isValidHTTPToken(input);
-    for (unsigned index = 0; index < input.length(); ++index) {
-        if (!isTokenCharacter(input[index]))
-            return true;
-    }
-    return false;
-}
-
-static StringView parseQuotedString(StringView input, unsigned& startIndex)
-{
-    unsigned inputLength = input.length();
-    unsigned quotedStringStart = startIndex + 1;
-    unsigned& quotedStringEnd = startIndex;
-
-    if (quotedStringEnd >= inputLength)
-        return StringView();
-
-    if (input[quotedStringEnd++] != '"' || quotedStringEnd >= inputLength)
-        return StringView();
-
-    bool lastCharacterWasBackslash = false;
-    char currentCharacter;
-    while ((currentCharacter = input[quotedStringEnd++]) != '"' || lastCharacterWasBackslash) {
-        if (quotedStringEnd >= inputLength)
-            return StringView();
-        if (currentCharacter == '\\' && !lastCharacterWasBackslash) {
-            lastCharacterWasBackslash = true;
-            continue;
-        }
-        if (lastCharacterWasBackslash)
-            lastCharacterWasBackslash = false;
-    }
-    if (input[quotedStringEnd - 1] == '"')
-        quotedStringEnd++;
-    return input.substring(quotedStringStart, quotedStringEnd - quotedStringStart);
-}
-
-// From http://tools.ietf.org/html/rfc2045#section-5.1:
-//
-// content := "Content-Type" ":" type "/" subtype
-//            *(";" parameter)
-//            ; Matching of media type and subtype
-//            ; is ALWAYS case-insensitive.
-//
-// type := discrete-type / composite-type
-//
-// discrete-type := "text" / "image" / "audio" / "video" /
-//                  "application" / extension-token
-//
-// composite-type := "message" / "multipart" / extension-token
-//
-// extension-token := ietf-token / x-token
-//
-// ietf-token := <An extension token defined by a
-//                standards-track RFC and registered
-//                with IANA.>
-//
-// x-token := <The two characters "X-" or "x-" followed, with
-//             no intervening white space, by any token>
-//
-// subtype := extension-token / iana-token
-//
-// iana-token := <A publicly-defined extension token. Tokens
-//                of this form must be registered with IANA
-//                as specified in RFC 2048.>
-//
-// parameter := attribute "=" value
-//
-// attribute := token
-//              ; Matching of attributes
-//              ; is ALWAYS case-insensitive.
-//
-// value := token / quoted-string
-//
-// token := 1*<any (US-ASCII) CHAR except SPACE, CTLs,
-//             or tspecials>
-//
-// tspecials :=  "(" / ")" / "<" / ">" / "@" /
-//               "," / ";" / ":" / "\" / <">
-//               "/" / "[" / "]" / "?" / "="
-//               ; Must be in quoted-string,
-//               ; to use within parameter values
-
-static bool isNotForwardSlash(UChar ch)
-{
-    return ch != '/';
-}
-
-static bool isNotSemicolon(UChar ch)
-{
-    return ch != ';';
-}
-
-static bool isNotSemicolonOrEqualSign(UChar ch)
-{
-    return ch != ';' && ch != '=';
-}
-
-static bool containsNewline(UChar ch)
-{
-    return ch == '\r' || ch == '\n';
-}
-
-bool ParsedContentType::parseContentType(Mode mode)
-{
-    if (mode == Mode::Rfc2045 && m_contentType.find(containsNewline) != notFound)
-        return false;
-    unsigned index = 0;
-    unsigned contentTypeLength = m_contentType.length();
-    skipSpaces(m_contentType, index);
-    if (index >= contentTypeLength) {
-        LOG_ERROR("Invalid Content-Type string '%s'", m_contentType.ascii().data());
-        return false;
-    }
-
-    unsigned contentTypeStart = index;
-    auto typeRange = parseToken(m_contentType, index, isNotForwardSlash, mode);
-    if (typeRange.isNull() || containsNonTokenCharacters(typeRange, mode)) {
-        LOG_ERROR("Invalid Content-Type, invalid type value.");
-        return false;
-    }
-
-    if (index >= contentTypeLength || m_contentType[index++] != '/') {
-        LOG_ERROR("Invalid Content-Type, missing '/'.");
-        return false;
-    }
-
-    auto subTypeRange = parseToken(m_contentType, index, isNotSemicolon, mode, mode == Mode::MimeSniff);
-    if (subTypeRange.isNull() || containsNonTokenCharacters(subTypeRange, mode)) {
-        LOG_ERROR("Invalid Content-Type, invalid subtype value.");
-        return false;
-    }
-
-    // There should not be any quoted strings until we reach the parameters.
-    size_t semiColonIndex = m_contentType.find(';', contentTypeStart);
-    if (semiColonIndex == notFound) {
-        setContentType(m_contentType.substring(contentTypeStart, contentTypeLength - contentTypeStart), mode);
-        return true;
-    }
-
-    setContentType(m_contentType.substring(contentTypeStart, semiColonIndex - contentTypeStart), mode);
-    index = semiColonIndex + 1;
-    while (true) {
-        skipSpaces(m_contentType, index);
-        auto keyRange = parseToken(m_contentType, index, isNotSemicolonOrEqualSign, mode);
-        if (mode == Mode::Rfc2045 && (keyRange.isNull() || index >= contentTypeLength)) {
-            LOG_ERROR("Invalid Content-Type parameter name.");
-            return false;
-        }
-
-        // Should we tolerate spaces here?
-        if (mode == Mode::Rfc2045) {
-            if (index >= contentTypeLength || m_contentType[index++] != '=') {
-                LOG_ERROR("Invalid Content-Type malformed parameter.");
-                return false;
-            }
-        } else {
-            if (index >= contentTypeLength)
-                break;
-            if (m_contentType[index] != '=' && m_contentType[index] != ';') {
-                LOG_ERROR("Invalid Content-Type malformed parameter.");
-                return false;
-            }
-            if (m_contentType[index++] == ';')
-                continue;
-        }
-
-        // Should we tolerate spaces here?
-        String parameterValue;
-        StringView valueRange;
-        if (index < contentTypeLength && m_contentType[index] == '"') {
-            if (mode == Mode::MimeSniff) {
-                parameterValue = collectHTTPQuotedString(m_contentType, index);
-                parseToken(m_contentType, index, isNotSemicolon, mode);
-            } else
-                valueRange = parseQuotedString(m_contentType, index);
-        } else
-            valueRange = parseToken(m_contentType, index, isNotSemicolon, mode, mode == Mode::MimeSniff);
-
-        if (parameterValue.isNull()) {
-            if (valueRange.isNull()) {
-                if (mode == Mode::MimeSniff)
-                    continue;
-                LOG_ERROR("Invalid Content-Type, invalid parameter value.");
-                return false;
-            }
-            parameterValue = valueRange.toString();
-        }
-
-        // Should we tolerate spaces here?
-        if (mode == Mode::Rfc2045 && index < contentTypeLength && m_contentType[index++] != ';') {
-            LOG_ERROR("Invalid Content-Type, invalid character at the end of key/value parameter.");
-            return false;
-        }
-
-        if (!keyRange.isNull())
-            setContentTypeParameter(keyRange.toString(), parameterValue, mode);
-
-        if (index >= contentTypeLength)
-            return true;
-    }
-
-    return true;
-}
-
-std::optional<ParsedContentType> ParsedContentType::create(const String& contentType, Mode mode)
-{
-    ParsedContentType parsedContentType(mode == Mode::Rfc2045 ? contentType : stripLeadingAndTrailingHTTPSpaces(contentType));
-    if (!parsedContentType.parseContentType(mode))
-        return std::nullopt;
-    return { WTFMove(parsedContentType) };
-}
-
-bool isValidContentType(const String& contentType, Mode mode)
-{
-    return ParsedContentType::create(contentType, mode) != std::nullopt;
-}
-
-ParsedContentType::ParsedContentType(const String& contentType)
-    : m_contentType(contentType)
-{
-}
-
-String ParsedContentType::charset() const
-{
-    return parameterValueForName("charset"_s);
-}
-
-void ParsedContentType::setCharset(String&& charset)
-{
-    m_parameterValues.set("charset"_s, WTFMove(charset));
-}
-
-String ParsedContentType::parameterValueForName(const String& name) const
-{
-    return m_parameterValues.get(name);
-}
-
-size_t ParsedContentType::parameterCount() const
-{
-    return m_parameterValues.size();
-}
-
-void ParsedContentType::setContentType(String&& contentRange, Mode mode)
-{
-    m_mimeType = WTFMove(contentRange);
-    if (mode == Mode::MimeSniff)
-        m_mimeType = stripLeadingAndTrailingHTTPSpaces(StringView(m_mimeType)).convertToASCIILowercase();
-    else
-        m_mimeType = m_mimeType.stripWhiteSpace();
-}
-
-static bool containsNonQuoteStringTokenCharacters(const String& input)
-{
-    for (unsigned index = 0; index < input.length(); ++index) {
-        if (!isQuotedStringTokenCharacter(input[index]))
-            return true;
-    }
-    return false;
-}
-
-void ParsedContentType::setContentTypeParameter(const String& keyName, const String& keyValue, Mode mode)
-{
-    String name = keyName;
-    if (mode == Mode::MimeSniff) {
-        if (m_parameterValues.contains(name) || !isValidHTTPToken(name) || containsNonQuoteStringTokenCharacters(keyValue))
-            return;
-        name = name.convertToASCIILowercase();
-    }
-    m_parameterValues.set(name, keyValue);
-    m_parameterNames.append(name);
-}
-
-String ParsedContentType::serialize() const
-{
-    StringBuilder builder;
-    builder.append(m_mimeType);
-    for (auto& name : m_parameterNames) {
-        builder.append(';');
-        builder.append(name);
-        builder.append('=');
-        String value = m_parameterValues.get(name);
-        if (value.isEmpty() || !isValidHTTPToken(value)) {
-            builder.append('"');
-            for (unsigned index = 0; index < value.length(); ++index) {
-                auto ch = value[index];
-                if (ch == '\\' || ch == '"')
-                    builder.append('\\');
-                builder.append(ch);
-            }
-            builder.append('"');
-        } else
-            builder.append(value);
-    }
-    return builder.toString();
-}
-
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/ParsedContentType.h b/src/javascript/jsc/bindings/webcore/ParsedContentType.h
deleted file mode 100644
index 03837e6d9..000000000
--- a/src/javascript/jsc/bindings/webcore/ParsedContentType.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2011 Google Inc. All rights reserved.
- * Copyright (C) 2012 Intel Corporation. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <wtf/HashMap.h>
-#include <wtf/text/StringHash.h>
-
-namespace WebCore {
-
-enum class Mode {
-    Rfc2045,
-    MimeSniff
-};
-WEBCORE_EXPORT bool isValidContentType(const String&, Mode = Mode::MimeSniff);
-
-// FIXME: add support for comments.
-class ParsedContentType {
-public:
-    WEBCORE_EXPORT static std::optional<ParsedContentType> create(const String&, Mode = Mode::MimeSniff);
-    ParsedContentType(ParsedContentType&&) = default;
-
-    String mimeType() const { return m_mimeType; }
-    String charset() const;
-    void setCharset(String&&);
-
-    // Note that in the case of multiple values for the same name, the last value is returned.
-    String parameterValueForName(const String&) const;
-    size_t parameterCount() const;
-
-    WEBCORE_EXPORT String serialize() const;
-
-private:
-    ParsedContentType(const String&);
-    ParsedContentType(const ParsedContentType&) = delete;
-    ParsedContentType& operator=(ParsedContentType const&) = delete;
-    bool parseContentType(Mode);
-    void setContentType(String&&, Mode);
-    void setContentTypeParameter(const String&, const String&, Mode);
-
-    typedef HashMap<String, String> KeyValuePairs;
-    String m_contentType;
-    KeyValuePairs m_parameterValues;
-    Vector<String> m_parameterNames;
-    String m_mimeType;
-};
-
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/ReadableStream.cpp b/src/javascript/jsc/bindings/webcore/ReadableStream.cpp
deleted file mode 100644
index 0a85942b9..000000000
--- a/src/javascript/jsc/bindings/webcore/ReadableStream.cpp
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- * Copyright (C) 2017-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CANON INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ReadableStream.h"
-
-#include "Exception.h"
-#include "ExceptionCode.h"
-#include "JSDOMConvertSequences.h"
-#include "JSReadableStreamSink.h"
-#include "JSReadableStreamSource.h"
-#include "WebCoreJSClientData.h"
-
-namespace WebCore {
-using namespace JSC;
-
-static inline ExceptionOr<JSObject*> invokeConstructor(JSC::JSGlobalObject& lexicalGlobalObject, const JSC::Identifier& identifier, const Function<void(MarkedArgumentBuffer&, JSC::JSGlobalObject&, JSDOMGlobalObject&)>& buildArguments)
-{
-    VM& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    auto& globalObject = *JSC::jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject);
-
-    auto constructorValue = globalObject.get(&lexicalGlobalObject, identifier);
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-    RETURN_IF_EXCEPTION(scope, Exception { ExistingExceptionError });
-    auto constructor = JSC::asObject(constructorValue);
-
-    auto constructData = JSC::getConstructData(constructor);
-    ASSERT(constructData.type != CallData::Type::None);
-
-    MarkedArgumentBuffer args;
-    buildArguments(args, lexicalGlobalObject, globalObject);
-    ASSERT(!args.hasOverflowed());
-
-    JSObject* object = JSC::construct(&lexicalGlobalObject, constructor, constructData, args);
-    ASSERT(!!scope.exception() == !object);
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-    RETURN_IF_EXCEPTION(scope, Exception { ExistingExceptionError });
-
-    return object;
-}
-
-ExceptionOr<Ref<ReadableStream>> ReadableStream::create(JSC::JSGlobalObject& lexicalGlobalObject, RefPtr<ReadableStreamSource>&& source)
-{
-    auto& builtinNames = WebCore::builtinNames(lexicalGlobalObject.vm());
-
-    auto objectOrException = invokeConstructor(lexicalGlobalObject, builtinNames.ReadableStreamPrivateName(), [&source](auto& args, auto& lexicalGlobalObject, auto& globalObject) {
-        args.append(source ? toJSNewlyCreated(&lexicalGlobalObject, &globalObject, source.releaseNonNull()) : JSC::jsUndefined());
-    });
-
-    if (objectOrException.hasException())
-        return objectOrException.releaseException();
-
-    return create(*JSC::jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject), *jsCast<JSReadableStream*>(objectOrException.releaseReturnValue()));
-}
-
-ExceptionOr<Ref<ReadableStream>> ReadableStream::create(JSC::JSGlobalObject& lexicalGlobalObject, RefPtr<ReadableStreamSource>&& source, JSC::JSValue nativePtr)
-{
-    auto& builtinNames = WebCore::builtinNames(lexicalGlobalObject.vm());
-    RELEASE_ASSERT(source != nullptr);
-
-    auto objectOrException = invokeConstructor(lexicalGlobalObject, builtinNames.ReadableStreamPrivateName(), [&source, nativePtr](auto& args, auto& lexicalGlobalObject, auto& globalObject) {
-        auto sourceStream = toJSNewlyCreated(&lexicalGlobalObject, &globalObject, source.releaseNonNull());
-        auto tag = WebCore::clientData(lexicalGlobalObject.vm())->builtinNames().bunNativePtrPrivateName();
-        sourceStream.getObject()->putDirect(lexicalGlobalObject.vm(), tag, nativePtr, JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::DontEnum);
-        args.append(sourceStream);
-    });
-
-    if (objectOrException.hasException())
-        return objectOrException.releaseException();
-
-    return create(*JSC::jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject), *jsCast<JSReadableStream*>(objectOrException.releaseReturnValue()));
-}
-
-static inline std::optional<JSC::JSValue> invokeReadableStreamFunction(JSC::JSGlobalObject& lexicalGlobalObject, const JSC::Identifier& identifier, JSC::JSValue thisValue, const JSC::MarkedArgumentBuffer& arguments)
-{
-    JSC::VM& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder lock(vm);
-
-    auto function = lexicalGlobalObject.get(&lexicalGlobalObject, identifier);
-    ASSERT(function.isCallable());
-
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-    auto callData = JSC::getCallData(function);
-    auto result = call(&lexicalGlobalObject, function, callData, thisValue, arguments);
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-    if (scope.exception())
-        return {};
-    return result;
-}
-
-void ReadableStream::pipeTo(ReadableStreamSink& sink)
-{
-    auto& lexicalGlobalObject = *m_globalObject;
-    auto* clientData = static_cast<JSVMClientData*>(lexicalGlobalObject.vm().clientData);
-    auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamPipeToPrivateName();
-
-    MarkedArgumentBuffer arguments;
-    arguments.append(readableStream());
-    arguments.append(toJS(&lexicalGlobalObject, m_globalObject.get(), sink));
-    ASSERT(!arguments.hasOverflowed());
-    invokeReadableStreamFunction(lexicalGlobalObject, privateName, JSC::jsUndefined(), arguments);
-}
-
-std::optional<std::pair<Ref<ReadableStream>, Ref<ReadableStream>>> ReadableStream::tee()
-{
-    auto& lexicalGlobalObject = *m_globalObject;
-    auto* clientData = static_cast<JSVMClientData*>(lexicalGlobalObject.vm().clientData);
-    auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamTeePrivateName();
-
-    MarkedArgumentBuffer arguments;
-    arguments.append(readableStream());
-    arguments.append(JSC::jsBoolean(true));
-    ASSERT(!arguments.hasOverflowed());
-    auto returnedValue = invokeReadableStreamFunction(lexicalGlobalObject, privateName, JSC::jsUndefined(), arguments);
-    if (!returnedValue)
-        return {};
-
-    auto results = Detail::SequenceConverter<IDLInterface<ReadableStream>>::convert(lexicalGlobalObject, *returnedValue);
-
-    ASSERT(results.size() == 2);
-    return std::make_pair(results[0].releaseNonNull(), results[1].releaseNonNull());
-}
-
-void ReadableStream::lock()
-{
-    auto& builtinNames = WebCore::builtinNames(m_globalObject->vm());
-    invokeConstructor(*m_globalObject, builtinNames.ReadableStreamDefaultReaderPrivateName(), [this](auto& args, auto&, auto&) {
-        args.append(readableStream());
-    });
-}
-
-void ReadableStream::cancel(const Exception& exception)
-{
-    auto& lexicalGlobalObject = *m_globalObject;
-    auto* clientData = static_cast<JSVMClientData*>(lexicalGlobalObject.vm().clientData);
-    auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamCancelPrivateName();
-
-    auto& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder lock(vm);
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-    auto value = createDOMException(&lexicalGlobalObject, exception.code(), exception.message());
-    if (UNLIKELY(scope.exception())) {
-        ASSERT(vm.hasPendingTerminationException());
-        return;
-    }
-
-    MarkedArgumentBuffer arguments;
-    arguments.append(readableStream());
-    arguments.append(value);
-    ASSERT(!arguments.hasOverflowed());
-    invokeReadableStreamFunction(lexicalGlobalObject, privateName, JSC::jsUndefined(), arguments);
-}
-
-static inline bool checkReadableStream(JSDOMGlobalObject& globalObject, JSReadableStream* readableStream, JSC::JSValue function)
-{
-    auto& lexicalGlobalObject = globalObject;
-
-    ASSERT(function);
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(readableStream);
-    ASSERT(!arguments.hasOverflowed());
-
-    auto& vm = lexicalGlobalObject.vm();
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-    auto callData = JSC::getCallData(function);
-    ASSERT(callData.type != JSC::CallData::Type::None);
-
-    auto result = call(&lexicalGlobalObject, function, callData, JSC::jsUndefined(), arguments);
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-
-    return result.isTrue() || scope.exception();
-}
-
-bool ReadableStream::isLocked() const
-{
-    return checkReadableStream(*globalObject(), readableStream(), globalObject()->builtinInternalFunctions().readableStreamInternals().m_isReadableStreamLockedFunction.get());
-}
-
-bool ReadableStream::isLocked(JSGlobalObject* globalObject, JSReadableStream* readableStream)
-{
-    auto* dom = reinterpret_cast<JSDOMGlobalObject*>(globalObject);
-    return checkReadableStream(*dom, readableStream, dom->builtinInternalFunctions().readableStreamInternals().m_isReadableStreamLockedFunction.get());
-}
-
-bool ReadableStream::isDisturbed(JSGlobalObject* globalObject, JSReadableStream* readableStream)
-{
-    auto* dom = reinterpret_cast<JSDOMGlobalObject*>(globalObject);
-    return checkReadableStream(*dom, readableStream, dom->builtinInternalFunctions().readableStreamInternals().m_isReadableStreamDisturbedFunction.get());
-}
-
-bool ReadableStream::isDisturbed() const
-{
-    return checkReadableStream(*globalObject(), readableStream(), globalObject()->builtinInternalFunctions().readableStreamInternals().m_isReadableStreamDisturbedFunction.get());
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/ReadableStream.h b/src/javascript/jsc/bindings/webcore/ReadableStream.h
deleted file mode 100644
index f50185865..000000000
--- a/src/javascript/jsc/bindings/webcore/ReadableStream.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2017-2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CANON INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ExceptionOr.h"
-#include "JSDOMBinding.h"
-#include "JSDOMConvert.h"
-#include "JSDOMGuardedObject.h"
-#include "JSReadableStream.h"
-
-namespace WebCore {
-
-class ReadableStreamSink;
-class ReadableStreamSource;
-
-class ReadableStream final : public DOMGuarded<JSReadableStream> {
-public:
-    static Ref<ReadableStream> create(JSDOMGlobalObject& globalObject, JSReadableStream& readableStream) { return adoptRef(*new ReadableStream(globalObject, readableStream)); }
-
-    static ExceptionOr<Ref<ReadableStream>> create(JSC::JSGlobalObject&, RefPtr<ReadableStreamSource>&&);
-    static ExceptionOr<Ref<ReadableStream>> create(JSC::JSGlobalObject& lexicalGlobalObject, RefPtr<ReadableStreamSource>&& source, JSC::JSValue nativePtr);
-
-    WEBCORE_EXPORT static bool isDisturbed(JSC::JSGlobalObject*, JSReadableStream*);
-    WEBCORE_EXPORT static bool isLocked(JSC::JSGlobalObject*, JSReadableStream*);
-
-    std::optional<std::pair<Ref<ReadableStream>, Ref<ReadableStream>>> tee();
-
-    void cancel(const Exception&);
-    void lock();
-    void pipeTo(ReadableStreamSink&);
-    bool isLocked() const;
-    bool isDisturbed() const;
-
-    JSReadableStream* readableStream() const
-    {
-        return guarded();
-    }
-
-private:
-    ReadableStream(JSDOMGlobalObject& globalObject, JSReadableStream& readableStream)
-        : DOMGuarded<JSReadableStream>(globalObject, readableStream)
-    {
-    }
-};
-
-struct JSReadableStreamWrapperConverter {
-    static RefPtr<ReadableStream> toWrapped(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
-    {
-        auto* globalObject = JSC::jsDynamicCast<JSDOMGlobalObject*>(&lexicalGlobalObject);
-        if (!globalObject)
-            return nullptr;
-
-        auto* readableStream = JSC::jsDynamicCast<JSReadableStream*>(value);
-        if (!readableStream)
-            return nullptr;
-
-        return ReadableStream::create(*globalObject, *readableStream);
-    }
-};
-
-template<> struct JSDOMWrapperConverterTraits<ReadableStream> {
-    using WrapperClass = JSReadableStreamWrapperConverter;
-    using ToWrappedReturnType = RefPtr<ReadableStream>;
-    static constexpr bool needsState = true;
-};
-
-inline JSC::JSValue toJS(JSC::JSGlobalObject*, JSC::JSGlobalObject*, ReadableStream* stream)
-{
-    return stream ? stream->readableStream() : JSC::jsUndefined();
-}
-
-inline JSC::JSValue toJS(JSC::JSGlobalObject*, JSC::JSGlobalObject*, ReadableStream& stream)
-{
-    return stream.readableStream();
-}
-
-inline JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject*, Ref<ReadableStream>&& stream)
-{
-    return stream->readableStream();
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.cpp b/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.cpp
deleted file mode 100644
index 229a02d38..000000000
--- a/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Copyright (C) 2016 Canon Inc.
- * Copyright (C) 2016-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Canon Inc. nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ReadableStreamDefaultController.h"
-
-#include "WebCoreJSClientData.h"
-#include <JavaScriptCore/CatchScope.h>
-#include <JavaScriptCore/HeapInlines.h>
-#include <JavaScriptCore/IdentifierInlines.h>
-#include <JavaScriptCore/JSObjectInlines.h>
-#include <JavaScriptCore/JSCInlines.h>
-
-namespace WebCore {
-
-static bool invokeReadableStreamDefaultControllerFunction(JSC::JSGlobalObject& lexicalGlobalObject, const JSC::Identifier& identifier, const JSC::MarkedArgumentBuffer& arguments)
-{
-    JSC::VM& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder lock(vm);
-
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-    auto function = lexicalGlobalObject.get(&lexicalGlobalObject, identifier);
-
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-    RETURN_IF_EXCEPTION(scope, false);
-
-    ASSERT(function.isCallable());
-
-    auto callData = JSC::getCallData(function);
-    call(&lexicalGlobalObject, function, callData, JSC::jsUndefined(), arguments);
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-    return !scope.exception();
-}
-
-void ReadableStreamDefaultController::close()
-{
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(&jsController());
-
-    auto* clientData = static_cast<JSVMClientData*>(globalObject().vm().clientData);
-    auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamDefaultControllerClosePrivateName();
-
-    invokeReadableStreamDefaultControllerFunction(globalObject(), privateName, arguments);
-}
-
-void ReadableStreamDefaultController::error(const Exception& exception)
-{
-    JSC::JSGlobalObject& lexicalGlobalObject = this->globalObject();
-    auto& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder lock(vm);
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-    auto value = createDOMException(&lexicalGlobalObject, exception.code(), exception.message());
-
-    if (UNLIKELY(scope.exception())) {
-        ASSERT(vm.hasPendingTerminationException());
-        return;
-    }
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(&jsController());
-    arguments.append(value);
-
-    auto* clientData = static_cast<JSVMClientData*>(vm.clientData);
-    auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamDefaultControllerErrorPrivateName();
-
-    invokeReadableStreamDefaultControllerFunction(globalObject(), privateName, arguments);
-}
-
-void ReadableStreamDefaultController::error(JSC::JSValue error)
-{
-    JSC::JSGlobalObject& lexicalGlobalObject = this->globalObject();
-    auto& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder lock(vm);
-    auto scope = DECLARE_THROW_SCOPE(vm);
-    auto value = JSC::Exception::create(vm, error);
-
-    if (UNLIKELY(scope.exception())) {
-        ASSERT(vm.hasPendingTerminationException());
-        return;
-    }
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(&jsController());
-    arguments.append(value);
-
-    auto* clientData = static_cast<JSVMClientData*>(vm.clientData);
-    auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamDefaultControllerErrorPrivateName();
-
-    invokeReadableStreamDefaultControllerFunction(globalObject(), privateName, arguments);
-}
-
-bool ReadableStreamDefaultController::enqueue(JSC::JSValue value)
-{
-    JSC::JSGlobalObject& lexicalGlobalObject = this->globalObject();
-    auto& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder lock(vm);
-
-    JSC::MarkedArgumentBuffer arguments;
-    arguments.append(&jsController());
-    arguments.append(value);
-
-    auto* clientData = static_cast<JSVMClientData*>(lexicalGlobalObject.vm().clientData);
-    auto& privateName = clientData->builtinFunctions().readableStreamInternalsBuiltins().readableStreamDefaultControllerEnqueuePrivateName();
-
-    return invokeReadableStreamDefaultControllerFunction(globalObject(), privateName, arguments);
-}
-
-bool ReadableStreamDefaultController::enqueue(RefPtr<JSC::ArrayBuffer>&& buffer)
-{
-    if (!buffer) {
-        error(Exception { OutOfMemoryError });
-        return false;
-    }
-
-    JSC::JSGlobalObject& lexicalGlobalObject = this->globalObject();
-    auto& vm = lexicalGlobalObject.vm();
-    JSC::JSLockHolder lock(vm);
-    auto scope = DECLARE_CATCH_SCOPE(vm);
-    auto length = buffer->byteLength();
-    auto value = JSC::JSUint8Array::create(&lexicalGlobalObject, lexicalGlobalObject.typedArrayStructure(JSC::TypeUint8), WTFMove(buffer), 0, length);
-
-    EXCEPTION_ASSERT(!scope.exception() || vm.hasPendingTerminationException());
-    RETURN_IF_EXCEPTION(scope, false);
-
-    return enqueue(value);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.h b/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.h
deleted file mode 100644
index bb3bc9409..000000000
--- a/src/javascript/jsc/bindings/webcore/ReadableStreamDefaultController.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2016 Canon Inc.
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Canon Inc. nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMConvertBufferSource.h"
-#include "JSReadableStreamDefaultController.h"
-#include <JavaScriptCore/JSCJSValue.h>
-#include <JavaScriptCore/JSCJSValueInlines.h>
-#include <JavaScriptCore/TypedArrays.h>
-
-namespace WebCore {
-
-class ReadableStreamSource;
-
-class ReadableStreamDefaultController {
-public:
-    explicit ReadableStreamDefaultController(JSReadableStreamDefaultController* controller)
-        : m_jsController(controller)
-    {
-    }
-
-    bool enqueue(RefPtr<JSC::ArrayBuffer>&&);
-    bool enqueue(JSC::JSValue);
-    void error(const Exception&);
-    void error(JSC::JSValue error);
-    void close();
-    JSDOMGlobalObject& globalObject() const;
-    JSReadableStreamDefaultController& jsController() const;
-    // The owner of ReadableStreamDefaultController is responsible to keep uncollected the JSReadableStreamDefaultController.
-    JSReadableStreamDefaultController* m_jsController { nullptr };
-
-private:
-};
-
-inline JSReadableStreamDefaultController& ReadableStreamDefaultController::jsController() const
-{
-    ASSERT(m_jsController);
-    return *m_jsController;
-}
-
-inline JSDOMGlobalObject& ReadableStreamDefaultController::globalObject() const
-{
-    ASSERT(m_jsController);
-    ASSERT(m_jsController->globalObject());
-    return *static_cast<JSDOMGlobalObject*>(m_jsController->globalObject());
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ReadableStreamSink.cpp b/src/javascript/jsc/bindings/webcore/ReadableStreamSink.cpp
deleted file mode 100644
index 960756a28..000000000
--- a/src/javascript/jsc/bindings/webcore/ReadableStreamSink.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ReadableStreamSink.h"
-
-#include "BufferSource.h"
-#include "DOMException.h"
-#include "ReadableStream.h"
-
-namespace WebCore {
-
-ReadableStreamToSharedBufferSink::ReadableStreamToSharedBufferSink(Callback&& callback)
-    : m_callback { WTFMove(callback) }
-{
-}
-
-void ReadableStreamToSharedBufferSink::pipeFrom(ReadableStream& stream)
-{
-    stream.pipeTo(*this);
-}
-
-void ReadableStreamToSharedBufferSink::enqueue(const BufferSource& buffer)
-{
-    if (!buffer.length())
-        return;
-
-    if (m_callback) {
-        Span chunk { buffer.data(), buffer.length() };
-        m_callback(&chunk);
-    }
-}
-
-void ReadableStreamToSharedBufferSink::close()
-{
-    if (m_callback)
-        m_callback(nullptr);
-}
-
-void ReadableStreamToSharedBufferSink::error(String&& message)
-{
-    if (auto callback = WTFMove(m_callback))
-        callback(Exception { TypeError, WTFMove(message) });
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ReadableStreamSink.h b/src/javascript/jsc/bindings/webcore/ReadableStreamSink.h
deleted file mode 100644
index fee988422..000000000
--- a/src/javascript/jsc/bindings/webcore/ReadableStreamSink.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-
-#pragma once
-
-#include "ExceptionOr.h"
-#include <wtf/Function.h>
-#include <wtf/RefCounted.h>
-#include <wtf/Span.h>
-
-namespace WebCore {
-
-class BufferSource;
-class ReadableStream;
-
-class ReadableStreamSink : public RefCounted<ReadableStreamSink> {
-public:
-    virtual ~ReadableStreamSink() = default;
-
-    virtual void enqueue(const BufferSource&) = 0;
-    virtual void close() = 0;
-    virtual void error(String&&) = 0;
-};
-
-class ReadableStreamToSharedBufferSink final : public ReadableStreamSink {
-public:
-    using Callback = Function<void(ExceptionOr<Span<const uint8_t>*>&&)>;
-    static Ref<ReadableStreamToSharedBufferSink> create(Callback&& callback) { return adoptRef(*new ReadableStreamToSharedBufferSink(WTFMove(callback))); }
-    void pipeFrom(ReadableStream&);
-    void clearCallback() { m_callback = { }; }
-
-private:
-    explicit ReadableStreamToSharedBufferSink(Callback&&);
-
-    void enqueue(const BufferSource&) final;
-    void close() final;
-    void error(String&&) final;
-
-    Callback m_callback;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ReadableStreamSource.cpp b/src/javascript/jsc/bindings/webcore/ReadableStreamSource.cpp
deleted file mode 100644
index f969c84b1..000000000
--- a/src/javascript/jsc/bindings/webcore/ReadableStreamSource.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (C) 2017 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ReadableStreamSource.h"
-
-namespace WebCore {
-
-ReadableStreamSource::~ReadableStreamSource() = default;
-
-void ReadableStreamSource::start(ReadableStreamDefaultController&& controller, DOMPromiseDeferred<void>&& promise)
-{
-    ASSERT(!m_promise);
-    m_promise = makeUnique<DOMPromiseDeferred<void>>(WTFMove(promise));
-    m_controller = WTFMove(controller);
-
-    setActive();
-    doStart();
-}
-
-void ReadableStreamSource::pull(DOMPromiseDeferred<void>&& promise)
-{
-    ASSERT(!m_promise);
-    ASSERT(m_controller);
-
-    m_promise = makeUnique<DOMPromiseDeferred<void>>(WTFMove(promise));
-
-    setActive();
-    doPull();
-}
-
-void ReadableStreamSource::startFinished()
-{
-    ASSERT(m_promise);
-    m_promise->resolve();
-    m_promise = nullptr;
-    setInactive();
-}
-
-void ReadableStreamSource::pullFinished()
-{
-    ASSERT(m_promise);
-    m_promise->resolve();
-    m_promise = nullptr;
-    setInactive();
-}
-
-void ReadableStreamSource::cancel(JSC::JSValue)
-{
-    clean();
-    doCancel();
-}
-
-void ReadableStreamSource::clean()
-{
-    if (m_promise) {
-        m_promise = nullptr;
-        setInactive();
-    }
-}
-
-void ReadableStreamSource::error(JSC::JSValue value)
-{
-    if (m_promise) {
-        m_promise->reject(value, RejectAsHandled::Yes);
-        m_promise = nullptr;
-        setInactive();
-    } else {
-        controller().error(value);
-    }
-}
-
-void SimpleReadableStreamSource::doCancel()
-{
-    m_isCancelled = true;
-}
-
-void SimpleReadableStreamSource::close()
-{
-    if (!m_isCancelled)
-        controller().close();
-}
-
-void SimpleReadableStreamSource::enqueue(JSC::JSValue value)
-{
-    if (!m_isCancelled)
-        controller().enqueue(value);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ReadableStreamSource.h b/src/javascript/jsc/bindings/webcore/ReadableStreamSource.h
deleted file mode 100644
index 0886ab423..000000000
--- a/src/javascript/jsc/bindings/webcore/ReadableStreamSource.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2016 Canon Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Canon Inc. nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMPromiseDeferred.h"
-#include "ReadableStreamDefaultController.h"
-#include <wtf/WeakPtr.h>
-
-namespace WebCore {
-
-class ReadableStreamSource : public RefCounted<ReadableStreamSource> {
-public:
-    virtual ~ReadableStreamSource();
-
-    void start(ReadableStreamDefaultController&&, DOMPromiseDeferred<void>&&);
-    void pull(DOMPromiseDeferred<void>&&);
-    void cancel(JSC::JSValue);
-    void error(JSC::JSValue error);
-
-    bool hasController() const { return !!m_controller; }
-
-    bool isPulling() const { return !!m_promise; }
-
-protected:
-    ReadableStreamDefaultController& controller() { return m_controller.value(); }
-    const ReadableStreamDefaultController& controller() const { return m_controller.value(); }
-
-    void startFinished();
-    void pullFinished();
-    void cancelFinished();
-    void clean();
-
-    virtual void setActive() = 0;
-    virtual void setInactive() = 0;
-
-    virtual void doStart() = 0;
-    virtual void doPull() = 0;
-    virtual void doCancel() = 0;
-
-    std::unique_ptr<DOMPromiseDeferred<void>> m_promise;
-
-private:
-    std::optional<ReadableStreamDefaultController> m_controller;
-};
-
-class SimpleReadableStreamSource
-    : public ReadableStreamSource,
-      public CanMakeWeakPtr<SimpleReadableStreamSource> {
-public:
-    static Ref<SimpleReadableStreamSource> create() { return adoptRef(*new SimpleReadableStreamSource); }
-
-    void close();
-    void enqueue(JSC::JSValue);
-
-private:
-    SimpleReadableStreamSource() = default;
-
-    // ReadableStreamSource
-    void setActive() final {}
-    void setInactive() final {}
-    void doStart() final {}
-    void doPull() final {}
-    void doCancel() final;
-
-    bool m_isCancelled { false };
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/RegisteredEventListener.h b/src/javascript/jsc/bindings/webcore/RegisteredEventListener.h
deleted file mode 100644
index 1b2f48af4..000000000
--- a/src/javascript/jsc/bindings/webcore/RegisteredEventListener.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2001 Peter Kelly (pmk@post.com)
- * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
- * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
- * Copyright (C) 2003-2021 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#pragma once
-
-#include "EventListener.h"
-#include <wtf/Ref.h>
-
-namespace WebCore {
-
-// https://dom.spec.whatwg.org/#concept-event-listener
-class RegisteredEventListener : public RefCounted<RegisteredEventListener> {
-public:
-    struct Options {
-        Options(bool capture = false, bool passive = false, bool once = false)
-            : capture(capture)
-            , passive(passive)
-            , once(once)
-        { }
-
-        bool capture;
-        bool passive;
-        bool once;
-    };
-
-    static Ref<RegisteredEventListener> create(Ref<EventListener>&& listener, const Options& options)
-    {
-        return adoptRef(*new RegisteredEventListener(WTFMove(listener), options));
-    }
-
-    EventListener& callback() const { return m_callback; }
-    bool useCapture() const { return m_useCapture; }
-    bool isPassive() const { return m_isPassive; }
-    bool isOnce() const { return m_isOnce; }
-    bool wasRemoved() const { return m_wasRemoved; }
-
-    void markAsRemoved() { m_wasRemoved = true; }
-
-private:
-    RegisteredEventListener(Ref<EventListener>&& listener, const Options& options)
-        : m_useCapture(options.capture)
-        , m_isPassive(options.passive)
-        , m_isOnce(options.once)
-        , m_wasRemoved(false)
-        , m_callback(WTFMove(listener))
-    {
-    }
-
-    bool m_useCapture : 1;
-    bool m_isPassive : 1;
-    bool m_isOnce : 1;
-    bool m_wasRemoved : 1;
-    Ref<EventListener> m_callback;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ScriptWrappable.cpp b/src/javascript/jsc/bindings/webcore/ScriptWrappable.cpp
deleted file mode 100644
index c55b2ac92..000000000
--- a/src/javascript/jsc/bindings/webcore/ScriptWrappable.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2019 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ScriptWrappable.h"
-
-// #include "wtf/IsoMallocInlines.h"
-
-namespace WebCore {
-
-// WTF_MAKE_FAST_ALLOCATED
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ScriptWrappable.h b/src/javascript/jsc/bindings/webcore/ScriptWrappable.h
deleted file mode 100644
index 20aafa6a1..000000000
--- a/src/javascript/jsc/bindings/webcore/ScriptWrappable.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
- * Copyright (c) 2010, Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "root.h"
-
-#include "JSDOMWrapper.h"
-
-// #include "wtf/IsoMalloc.h"
-
-namespace WebCore {
-
-class ScriptWrappable {
-    WTF_MAKE_FAST_ALLOCATED;
-
-public:
-    JSDOMObject* wrapper() const;
-    void setWrapper(JSDOMObject*, JSC::WeakHandleOwner*, void*);
-    void clearWrapper(JSDOMObject*);
-
-    template<typename Derived>
-    static ptrdiff_t offsetOfWrapper() { return CAST_OFFSET(Derived*, ScriptWrappable*) + OBJECT_OFFSETOF(ScriptWrappable, m_wrapper); }
-
-protected:
-    ~ScriptWrappable() = default;
-
-private:
-    JSC::Weak<JSDOMObject> m_wrapper;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/ScriptWrappableInlines.h b/src/javascript/jsc/bindings/webcore/ScriptWrappableInlines.h
deleted file mode 100644
index 80b8087bf..000000000
--- a/src/javascript/jsc/bindings/webcore/ScriptWrappableInlines.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
- * Copyright (c) 2010, Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMWrapper.h"
-#include "JavaScriptCore/Weak.h"
-#include "JavaScriptCore/WeakInlines.h"
-
-namespace WebCore {
-
-inline JSDOMObject* ScriptWrappable::wrapper() const
-{
-    return m_wrapper.get();
-}
-
-inline void ScriptWrappable::setWrapper(JSDOMObject* wrapper, JSC::WeakHandleOwner* wrapperOwner, void* context)
-{
-    ASSERT(!m_wrapper);
-    m_wrapper = JSC::Weak<JSDOMObject>(wrapper, wrapperOwner, context);
-}
-
-inline void ScriptWrappable::clearWrapper(JSDOMObject* wrapper)
-{
-    weakClear(m_wrapper, wrapper);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/StructuredClone.cpp b/src/javascript/jsc/bindings/webcore/StructuredClone.cpp
deleted file mode 100644
index aabc9009c..000000000
--- a/src/javascript/jsc/bindings/webcore/StructuredClone.cpp
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "config.h"
-#include "StructuredClone.h"
-
-#include "JSDOMBinding.h"
-#include "JSDOMExceptionHandling.h"
-#include <JavaScriptCore/JSTypedArrays.h>
-
-namespace WebCore {
-using namespace JSC;
-
-enum class CloneMode {
-    Full,
-    Partial,
-};
-
-static EncodedJSValue cloneArrayBufferImpl(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame, CloneMode mode)
-{
-    VM& vm = lexicalGlobalObject->vm();
-
-    ASSERT(lexicalGlobalObject);
-    ASSERT(callFrame->argumentCount());
-    ASSERT(callFrame->lexicalGlobalObject(vm) == lexicalGlobalObject);
-
-    auto* buffer = toUnsharedArrayBuffer(vm, callFrame->uncheckedArgument(0));
-    if (!buffer) {
-        auto scope = DECLARE_THROW_SCOPE(vm);
-        throwDataCloneError(*lexicalGlobalObject, scope);
-        return { };
-    }
-    if (mode == CloneMode::Partial) {
-        ASSERT(callFrame->argumentCount() == 3);
-        int srcByteOffset = static_cast<int>(callFrame->uncheckedArgument(1).toNumber(lexicalGlobalObject));
-        int srcLength = static_cast<int>(callFrame->uncheckedArgument(2).toNumber(lexicalGlobalObject));
-        return JSValue::encode(JSArrayBuffer::create(lexicalGlobalObject->vm(), lexicalGlobalObject->arrayBufferStructure(ArrayBufferSharingMode::Default), buffer->slice(srcByteOffset, srcByteOffset + srcLength)));
-    }
-    return JSValue::encode(JSArrayBuffer::create(lexicalGlobalObject->vm(), lexicalGlobalObject->arrayBufferStructure(ArrayBufferSharingMode::Default), ArrayBuffer::tryCreate(buffer->data(), buffer->byteLength())));
-}
-
-JSC_DEFINE_HOST_FUNCTION(cloneArrayBuffer, (JSGlobalObject* globalObject, CallFrame* callFrame))
-{
-    return cloneArrayBufferImpl(globalObject, callFrame, CloneMode::Partial);
-}
-
-JSC_DEFINE_HOST_FUNCTION(structuredCloneForStream, (JSGlobalObject* globalObject, CallFrame* callFrame))
-{
-    ASSERT(callFrame);
-    ASSERT(callFrame->argumentCount());
-
-    VM& vm = globalObject->vm();
-    auto scope = DECLARE_THROW_SCOPE(vm);
-
-    JSValue value = callFrame->uncheckedArgument(0);
-
-    if (value.inherits<JSArrayBuffer>())
-        RELEASE_AND_RETURN(scope, cloneArrayBufferImpl(globalObject, callFrame, CloneMode::Full));
-
-    if (value.inherits<JSArrayBufferView>()) {
-        auto* bufferView = jsCast<JSArrayBufferView*>(value);
-        ASSERT(bufferView);
-
-        auto* buffer = bufferView->unsharedBuffer();
-        if (!buffer) {
-            throwDataCloneError(*globalObject, scope);
-            return { };
-        }
-        auto bufferClone = ArrayBuffer::tryCreate(buffer->data(), buffer->byteLength());
-        Structure* structure = bufferView->structure();
-
-#define CLONE_TYPED_ARRAY(name) \
-        do { \
-            if (bufferView->inherits<JS##name##Array>()) \
-                RELEASE_AND_RETURN(scope, JSValue::encode(JS##name##Array::create(globalObject, structure, WTFMove(bufferClone), bufferView->byteOffset(), bufferView->length()))); \
-        } while (0);
-
-        FOR_EACH_TYPED_ARRAY_TYPE_EXCLUDING_DATA_VIEW(CLONE_TYPED_ARRAY)
-
-#undef CLONE_TYPED_ARRAY
-
-        if (value.inherits<JSDataView>())
-            RELEASE_AND_RETURN(scope, JSValue::encode(JSDataView::create(globalObject, structure, WTFMove(bufferClone), bufferView->byteOffset(), bufferView->length())));
-    }
-
-    throwTypeError(globalObject, scope, "structuredClone not implemented for non-ArrayBuffer / non-ArrayBufferView"_s);
-    return { };
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/StructuredClone.h b/src/javascript/jsc/bindings/webcore/StructuredClone.h
deleted file mode 100644
index af14c0873..000000000
--- a/src/javascript/jsc/bindings/webcore/StructuredClone.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2016-2020 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#pragma once
-
-namespace JSC {
-class CallFrame;
-class JSGlobalObject;
-using EncodedJSValue = int64_t;
-}
-
-namespace WebCore {
-
-JSC_DECLARE_HOST_FUNCTION(cloneArrayBuffer);
-JSC_DECLARE_HOST_FUNCTION(structuredCloneForStream);
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/TaskSource.h b/src/javascript/jsc/bindings/webcore/TaskSource.h
deleted file mode 100644
index 2c0a128e8..000000000
--- a/src/javascript/jsc/bindings/webcore/TaskSource.h
+++ /dev/null
@@ -1,29 +0,0 @@
-#pragma once
-
-namespace WebCore {
-
-enum class TaskSource : uint8_t {
-    DOMManipulation,
-    DatabaseAccess,
-    FileReading,
-    FontLoading,
-    Geolocation,
-    IdleTask,
-    IndexedDB,
-    MediaElement,
-    Microtask,
-    Networking,
-    PerformanceTimeline,
-    Permission,
-    PostedMessageQueue,
-    Speech,
-    UserInteraction,
-    WebGL,
-    WebXR,
-    WebSocket,
-
-    // Internal to WebCore
-    InternalAsyncTask, // Safe to re-order or delay.
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/TextEncoder.cpp b/src/javascript/jsc/bindings/webcore/TextEncoder.cpp
deleted file mode 100644
index 1942694cc..000000000
--- a/src/javascript/jsc/bindings/webcore/TextEncoder.cpp
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "TextEncoder.h"
-
-#include <JavaScriptCore/GenericTypedArrayViewInlines.h>
-#include <JavaScriptCore/JSCInlines.h>
-
-namespace WebCore {
-
-String TextEncoder::encoding() const
-{
-    return "utf-8"_s;
-}
-
-RefPtr<Uint8Array> TextEncoder::encode(String&& input) const
-{
-    // THIS CODE SHOULD NEVER BE REACHED IN BUN
-    RELEASE_ASSERT(1);
-    return nullptr;
-}
-
-auto TextEncoder::encodeInto(String&& input, Ref<Uint8Array>&& array) -> EncodeIntoResult
-{
-    // THIS CODE SHOULD NEVER BE REACHED IN BUN
-    RELEASE_ASSERT(1);
-
-    auto* destinationBytes = static_cast<uint8_t*>(array->baseAddress());
-    auto capacity = array->byteLength();
-
-    uint64_t read = 0;
-    uint64_t written = 0;
-
-    for (auto token : StringView(input).codePoints()) {
-        if (written >= capacity) {
-            ASSERT(written == capacity);
-            break;
-        }
-        UBool sawError = false;
-        U8_APPEND(destinationBytes, written, capacity, token, sawError);
-        if (sawError)
-            break;
-        if (U_IS_BMP(token))
-            read++;
-        else
-            read += 2;
-    }
-
-    return { read, written };
-}
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/TextEncoder.h b/src/javascript/jsc/bindings/webcore/TextEncoder.h
deleted file mode 100644
index 6a0145c78..000000000
--- a/src/javascript/jsc/bindings/webcore/TextEncoder.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JSDOMConvertBufferSource.h"
-#include <JavaScriptCore/Forward.h>
-#include <wtf/Ref.h>
-#include <wtf/RefCounted.h>
-#include <wtf/RefPtr.h>
-#include <wtf/text/WTFString.h>
-
-// THIS FILE IS UNUSED
-// IT EXISTS TO MAKE THE BINDINGS HAPPY
-namespace WebCore {
-
-class TextEncoder : public RefCounted<TextEncoder> {
-public:
-    struct EncodeIntoResult {
-        uint64_t read { 0 };
-        uint64_t written { 0 };
-    };
-
-    static Ref<TextEncoder> create() { return adoptRef(*new TextEncoder); }
-    String encoding() const;
-    RefPtr<Uint8Array> encode(String&&) const;
-    EncodeIntoResult encodeInto(String&&, Ref<Uint8Array>&& destination);
-
-private:
-    TextEncoder() {};
-};
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/UIEventInit.h b/src/javascript/jsc/bindings/webcore/UIEventInit.h
deleted file mode 100644
index 4511ba84a..000000000
--- a/src/javascript/jsc/bindings/webcore/UIEventInit.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "EventInit.h"
-// #include "WindowProxy.h"
-#include <wtf/RefPtr.h>
-#include <wtf/Ref.h>
-#include <wtf/RefCounted.h>
-
-namespace WebCore {
-
-struct UIEventInitView {
-    int garbage;
-
-    void ref()
-    {
-    }
-
-    void deref()
-    {
-    }
-};
-
-struct UIEventInit : public EventInit {
-    RefPtr<UIEventInitView> view;
-    int detail { 0 };
-};
-
-}
diff --git a/src/javascript/jsc/bindings/webcore/WebCoreBuiltins.h b/src/javascript/jsc/bindings/webcore/WebCoreBuiltins.h
deleted file mode 100644
index abd53c142..000000000
--- a/src/javascript/jsc/bindings/webcore/WebCoreBuiltins.h
+++ /dev/null
@@ -1,2227 +0,0 @@
-/*
- * Copyright (c) 2015 Igalia
- * Copyright (c) 2015 Igalia S.L.
- * Copyright (c) 2015 Igalia.
- * Copyright (c) 2015, 2016 Canon Inc. All rights reserved.
- * Copyright (c) 2015, 2016, 2017 Canon Inc.
- * Copyright (c) 2016, 2020 Apple Inc. All rights reserved.
- * Copyright (c) 2022 Codeblog Corp. All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- * 
- */
-
-// DO NOT EDIT THIS FILE. It is automatically generated from JavaScript files for
-// builtins by the script: Source/JavaScriptCore/Scripts/generate-js-builtins.py
-
-#pragma once
-
-namespace JSC {
-class FunctionExecutable;
-class VM;
-
-enum class ConstructAbility : uint8_t;
-enum class ConstructorKind : uint8_t;
-}
-
-namespace WebCore {
-
-extern const char s_WebCoreCombinedCode[];
-
-extern const unsigned s_WebCoreCombinedCodeLength;
-
-/* ByteLengthQueuingStrategy */
-extern const char* const s_byteLengthQueuingStrategyHighWaterMarkCode;
-extern const int s_byteLengthQueuingStrategyHighWaterMarkCodeLength;
-extern const JSC::ConstructAbility s_byteLengthQueuingStrategyHighWaterMarkCodeConstructAbility;
-extern const JSC::ConstructorKind s_byteLengthQueuingStrategyHighWaterMarkCodeConstructorKind;
-extern const char* const s_byteLengthQueuingStrategySizeCode;
-extern const int s_byteLengthQueuingStrategySizeCodeLength;
-extern const JSC::ConstructAbility s_byteLengthQueuingStrategySizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_byteLengthQueuingStrategySizeCodeConstructorKind;
-extern const char* const s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCode;
-extern const int s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeLength;
-extern const JSC::ConstructAbility s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeConstructAbility;
-extern const JSC::ConstructorKind s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeConstructorKind;
-
-#define WEBCORE_FOREACH_BYTELENGTHQUEUINGSTRATEGY_BUILTIN_DATA(macro) \
-    macro(highWaterMark, byteLengthQueuingStrategyHighWaterMark, 0) \
-    macro(size, byteLengthQueuingStrategySize, 1) \
-    macro(initializeByteLengthQueuingStrategy, byteLengthQueuingStrategyInitializeByteLengthQueuingStrategy, 1) \
-
-/* CountQueuingStrategy */
-extern const char* const s_countQueuingStrategyHighWaterMarkCode;
-extern const int s_countQueuingStrategyHighWaterMarkCodeLength;
-extern const JSC::ConstructAbility s_countQueuingStrategyHighWaterMarkCodeConstructAbility;
-extern const JSC::ConstructorKind s_countQueuingStrategyHighWaterMarkCodeConstructorKind;
-extern const char* const s_countQueuingStrategySizeCode;
-extern const int s_countQueuingStrategySizeCodeLength;
-extern const JSC::ConstructAbility s_countQueuingStrategySizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_countQueuingStrategySizeCodeConstructorKind;
-extern const char* const s_countQueuingStrategyInitializeCountQueuingStrategyCode;
-extern const int s_countQueuingStrategyInitializeCountQueuingStrategyCodeLength;
-extern const JSC::ConstructAbility s_countQueuingStrategyInitializeCountQueuingStrategyCodeConstructAbility;
-extern const JSC::ConstructorKind s_countQueuingStrategyInitializeCountQueuingStrategyCodeConstructorKind;
-
-#define WEBCORE_FOREACH_COUNTQUEUINGSTRATEGY_BUILTIN_DATA(macro) \
-    macro(highWaterMark, countQueuingStrategyHighWaterMark, 0) \
-    macro(size, countQueuingStrategySize, 0) \
-    macro(initializeCountQueuingStrategy, countQueuingStrategyInitializeCountQueuingStrategy, 1) \
-
-/* JSBufferConstructor */
-extern const char* const s_jsBufferConstructorFromCode;
-extern const int s_jsBufferConstructorFromCodeLength;
-extern const JSC::ConstructAbility s_jsBufferConstructorFromCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferConstructorFromCodeConstructorKind;
-
-#define WEBCORE_FOREACH_JSBUFFERCONSTRUCTOR_BUILTIN_DATA(macro) \
-    macro(from, jsBufferConstructorFrom, 1) \
-
-/* JSBufferPrototype */
-extern const char* const s_jsBufferPrototypeSetBigUint64Code;
-extern const int s_jsBufferPrototypeSetBigUint64CodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeSetBigUint64CodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeSetBigUint64CodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadInt8Code;
-extern const int s_jsBufferPrototypeReadInt8CodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadInt8CodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadInt8CodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadUInt8Code;
-extern const int s_jsBufferPrototypeReadUInt8CodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadUInt8CodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadUInt8CodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadInt16LECode;
-extern const int s_jsBufferPrototypeReadInt16LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadInt16LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadInt16LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadInt16BECode;
-extern const int s_jsBufferPrototypeReadInt16BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadInt16BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadInt16BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadUInt16LECode;
-extern const int s_jsBufferPrototypeReadUInt16LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadUInt16LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadUInt16LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadUInt16BECode;
-extern const int s_jsBufferPrototypeReadUInt16BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadUInt16BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadUInt16BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadInt32LECode;
-extern const int s_jsBufferPrototypeReadInt32LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadInt32LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadInt32LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadInt32BECode;
-extern const int s_jsBufferPrototypeReadInt32BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadInt32BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadInt32BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadUInt32LECode;
-extern const int s_jsBufferPrototypeReadUInt32LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadUInt32LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadUInt32LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadUInt32BECode;
-extern const int s_jsBufferPrototypeReadUInt32BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadUInt32BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadUInt32BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadFloatLECode;
-extern const int s_jsBufferPrototypeReadFloatLECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadFloatLECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadFloatLECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadFloatBECode;
-extern const int s_jsBufferPrototypeReadFloatBECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadFloatBECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadFloatBECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadDoubleLECode;
-extern const int s_jsBufferPrototypeReadDoubleLECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadDoubleLECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadDoubleLECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadDoubleBECode;
-extern const int s_jsBufferPrototypeReadDoubleBECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadDoubleBECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadDoubleBECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadBigInt64LECode;
-extern const int s_jsBufferPrototypeReadBigInt64LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadBigInt64LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadBigInt64LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadBigInt64BECode;
-extern const int s_jsBufferPrototypeReadBigInt64BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadBigInt64BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadBigInt64BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadBigUInt64LECode;
-extern const int s_jsBufferPrototypeReadBigUInt64LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadBigUInt64LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadBigUInt64LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeReadBigUInt64BECode;
-extern const int s_jsBufferPrototypeReadBigUInt64BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeReadBigUInt64BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeReadBigUInt64BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteInt8Code;
-extern const int s_jsBufferPrototypeWriteInt8CodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteInt8CodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteInt8CodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteUInt8Code;
-extern const int s_jsBufferPrototypeWriteUInt8CodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt8CodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt8CodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteInt16LECode;
-extern const int s_jsBufferPrototypeWriteInt16LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteInt16LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteInt16LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteInt16BECode;
-extern const int s_jsBufferPrototypeWriteInt16BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteInt16BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteInt16BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteUInt16LECode;
-extern const int s_jsBufferPrototypeWriteUInt16LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt16LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt16LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteUInt16BECode;
-extern const int s_jsBufferPrototypeWriteUInt16BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt16BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt16BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteInt32LECode;
-extern const int s_jsBufferPrototypeWriteInt32LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteInt32LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteInt32LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteInt32BECode;
-extern const int s_jsBufferPrototypeWriteInt32BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteInt32BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteInt32BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteUInt32LECode;
-extern const int s_jsBufferPrototypeWriteUInt32LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt32LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt32LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteUInt32BECode;
-extern const int s_jsBufferPrototypeWriteUInt32BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt32BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt32BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteFloatLECode;
-extern const int s_jsBufferPrototypeWriteFloatLECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteFloatLECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteFloatLECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteFloatBECode;
-extern const int s_jsBufferPrototypeWriteFloatBECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteFloatBECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteFloatBECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteDoubleLECode;
-extern const int s_jsBufferPrototypeWriteDoubleLECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteDoubleLECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteDoubleLECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteDoubleBECode;
-extern const int s_jsBufferPrototypeWriteDoubleBECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteDoubleBECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteDoubleBECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteBigInt64LECode;
-extern const int s_jsBufferPrototypeWriteBigInt64LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteBigInt64LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteBigInt64LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteBigInt64BECode;
-extern const int s_jsBufferPrototypeWriteBigInt64BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteBigInt64BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteBigInt64BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteBigUInt64LECode;
-extern const int s_jsBufferPrototypeWriteBigUInt64LECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteBigUInt64LECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteBigUInt64LECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeWriteBigUInt64BECode;
-extern const int s_jsBufferPrototypeWriteBigUInt64BECodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeWriteBigUInt64BECodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeWriteBigUInt64BECodeConstructorKind;
-extern const char* const s_jsBufferPrototypeSliceCode;
-extern const int s_jsBufferPrototypeSliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeSliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeSliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeUtf8WriteCode;
-extern const int s_jsBufferPrototypeUtf8WriteCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeUtf8WriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeUtf8WriteCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeUcs2WriteCode;
-extern const int s_jsBufferPrototypeUcs2WriteCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeUcs2WriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeUcs2WriteCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeUtf16leWriteCode;
-extern const int s_jsBufferPrototypeUtf16leWriteCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeUtf16leWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeUtf16leWriteCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeLatin1WriteCode;
-extern const int s_jsBufferPrototypeLatin1WriteCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeLatin1WriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeLatin1WriteCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeAsciiWriteCode;
-extern const int s_jsBufferPrototypeAsciiWriteCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeAsciiWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeAsciiWriteCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeBase64WriteCode;
-extern const int s_jsBufferPrototypeBase64WriteCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeBase64WriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeBase64WriteCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeBase64urlWriteCode;
-extern const int s_jsBufferPrototypeBase64urlWriteCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeBase64urlWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeBase64urlWriteCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeHexWriteCode;
-extern const int s_jsBufferPrototypeHexWriteCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeHexWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeHexWriteCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeUtf8SliceCode;
-extern const int s_jsBufferPrototypeUtf8SliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeUtf8SliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeUtf8SliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeUcs2SliceCode;
-extern const int s_jsBufferPrototypeUcs2SliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeUcs2SliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeUcs2SliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeUtf16leSliceCode;
-extern const int s_jsBufferPrototypeUtf16leSliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeUtf16leSliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeUtf16leSliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeLatin1SliceCode;
-extern const int s_jsBufferPrototypeLatin1SliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeLatin1SliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeLatin1SliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeAsciiSliceCode;
-extern const int s_jsBufferPrototypeAsciiSliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeAsciiSliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeAsciiSliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeBase64SliceCode;
-extern const int s_jsBufferPrototypeBase64SliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeBase64SliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeBase64SliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeBase64urlSliceCode;
-extern const int s_jsBufferPrototypeBase64urlSliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeBase64urlSliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeBase64urlSliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeHexSliceCode;
-extern const int s_jsBufferPrototypeHexSliceCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeHexSliceCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeHexSliceCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeToJSONCode;
-extern const int s_jsBufferPrototypeToJSONCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeToJSONCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeToJSONCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeSubarrayCode;
-extern const int s_jsBufferPrototypeSubarrayCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeSubarrayCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeSubarrayCodeConstructorKind;
-extern const char* const s_jsBufferPrototypeInitializeBunBufferCode;
-extern const int s_jsBufferPrototypeInitializeBunBufferCodeLength;
-extern const JSC::ConstructAbility s_jsBufferPrototypeInitializeBunBufferCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsBufferPrototypeInitializeBunBufferCodeConstructorKind;
-
-#define WEBCORE_FOREACH_JSBUFFERPROTOTYPE_BUILTIN_DATA(macro) \
-    macro(setBigUint64, jsBufferPrototypeSetBigUint64, 3) \
-    macro(readInt8, jsBufferPrototypeReadInt8, 1) \
-    macro(readUInt8, jsBufferPrototypeReadUInt8, 1) \
-    macro(readInt16LE, jsBufferPrototypeReadInt16LE, 1) \
-    macro(readInt16BE, jsBufferPrototypeReadInt16BE, 1) \
-    macro(readUInt16LE, jsBufferPrototypeReadUInt16LE, 1) \
-    macro(readUInt16BE, jsBufferPrototypeReadUInt16BE, 1) \
-    macro(readInt32LE, jsBufferPrototypeReadInt32LE, 1) \
-    macro(readInt32BE, jsBufferPrototypeReadInt32BE, 1) \
-    macro(readUInt32LE, jsBufferPrototypeReadUInt32LE, 1) \
-    macro(readUInt32BE, jsBufferPrototypeReadUInt32BE, 1) \
-    macro(readFloatLE, jsBufferPrototypeReadFloatLE, 1) \
-    macro(readFloatBE, jsBufferPrototypeReadFloatBE, 1) \
-    macro(readDoubleLE, jsBufferPrototypeReadDoubleLE, 1) \
-    macro(readDoubleBE, jsBufferPrototypeReadDoubleBE, 1) \
-    macro(readBigInt64LE, jsBufferPrototypeReadBigInt64LE, 1) \
-    macro(readBigInt64BE, jsBufferPrototypeReadBigInt64BE, 1) \
-    macro(readBigUInt64LE, jsBufferPrototypeReadBigUInt64LE, 1) \
-    macro(readBigUInt64BE, jsBufferPrototypeReadBigUInt64BE, 1) \
-    macro(writeInt8, jsBufferPrototypeWriteInt8, 2) \
-    macro(writeUInt8, jsBufferPrototypeWriteUInt8, 2) \
-    macro(writeInt16LE, jsBufferPrototypeWriteInt16LE, 2) \
-    macro(writeInt16BE, jsBufferPrototypeWriteInt16BE, 2) \
-    macro(writeUInt16LE, jsBufferPrototypeWriteUInt16LE, 2) \
-    macro(writeUInt16BE, jsBufferPrototypeWriteUInt16BE, 2) \
-    macro(writeInt32LE, jsBufferPrototypeWriteInt32LE, 2) \
-    macro(writeInt32BE, jsBufferPrototypeWriteInt32BE, 2) \
-    macro(writeUInt32LE, jsBufferPrototypeWriteUInt32LE, 2) \
-    macro(writeUInt32BE, jsBufferPrototypeWriteUInt32BE, 2) \
-    macro(writeFloatLE, jsBufferPrototypeWriteFloatLE, 2) \
-    macro(writeFloatBE, jsBufferPrototypeWriteFloatBE, 2) \
-    macro(writeDoubleLE, jsBufferPrototypeWriteDoubleLE, 2) \
-    macro(writeDoubleBE, jsBufferPrototypeWriteDoubleBE, 2) \
-    macro(writeBigInt64LE, jsBufferPrototypeWriteBigInt64LE, 2) \
-    macro(writeBigInt64BE, jsBufferPrototypeWriteBigInt64BE, 2) \
-    macro(writeBigUInt64LE, jsBufferPrototypeWriteBigUInt64LE, 2) \
-    macro(writeBigUInt64BE, jsBufferPrototypeWriteBigUInt64BE, 2) \
-    macro(slice, jsBufferPrototypeSlice, 2) \
-    macro(utf8Write, jsBufferPrototypeUtf8Write, 3) \
-    macro(ucs2Write, jsBufferPrototypeUcs2Write, 3) \
-    macro(utf16leWrite, jsBufferPrototypeUtf16leWrite, 3) \
-    macro(latin1Write, jsBufferPrototypeLatin1Write, 3) \
-    macro(asciiWrite, jsBufferPrototypeAsciiWrite, 3) \
-    macro(base64Write, jsBufferPrototypeBase64Write, 3) \
-    macro(base64urlWrite, jsBufferPrototypeBase64urlWrite, 3) \
-    macro(hexWrite, jsBufferPrototypeHexWrite, 3) \
-    macro(utf8Slice, jsBufferPrototypeUtf8Slice, 2) \
-    macro(ucs2Slice, jsBufferPrototypeUcs2Slice, 2) \
-    macro(utf16leSlice, jsBufferPrototypeUtf16leSlice, 2) \
-    macro(latin1Slice, jsBufferPrototypeLatin1Slice, 2) \
-    macro(asciiSlice, jsBufferPrototypeAsciiSlice, 2) \
-    macro(base64Slice, jsBufferPrototypeBase64Slice, 2) \
-    macro(base64urlSlice, jsBufferPrototypeBase64urlSlice, 2) \
-    macro(hexSlice, jsBufferPrototypeHexSlice, 2) \
-    macro(toJSON, jsBufferPrototypeToJSON, 0) \
-    macro(subarray, jsBufferPrototypeSubarray, 2) \
-    macro(initializeBunBuffer, jsBufferPrototypeInitializeBunBuffer, 1) \
-
-/* JSZigGlobalObject */
-extern const char* const s_jsZigGlobalObjectRequireCode;
-extern const int s_jsZigGlobalObjectRequireCodeLength;
-extern const JSC::ConstructAbility s_jsZigGlobalObjectRequireCodeConstructAbility;
-extern const JSC::ConstructorKind s_jsZigGlobalObjectRequireCodeConstructorKind;
-
-#define WEBCORE_FOREACH_JSZIGGLOBALOBJECT_BUILTIN_DATA(macro) \
-    macro(require, jsZigGlobalObjectRequire, 1) \
-
-/* ReadableByteStreamController */
-extern const char* const s_readableByteStreamControllerInitializeReadableByteStreamControllerCode;
-extern const int s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeConstructorKind;
-extern const char* const s_readableByteStreamControllerEnqueueCode;
-extern const int s_readableByteStreamControllerEnqueueCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamControllerEnqueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamControllerEnqueueCodeConstructorKind;
-extern const char* const s_readableByteStreamControllerErrorCode;
-extern const int s_readableByteStreamControllerErrorCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamControllerErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamControllerErrorCodeConstructorKind;
-extern const char* const s_readableByteStreamControllerCloseCode;
-extern const int s_readableByteStreamControllerCloseCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamControllerCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamControllerCloseCodeConstructorKind;
-extern const char* const s_readableByteStreamControllerByobRequestCode;
-extern const int s_readableByteStreamControllerByobRequestCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamControllerByobRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamControllerByobRequestCodeConstructorKind;
-extern const char* const s_readableByteStreamControllerDesiredSizeCode;
-extern const int s_readableByteStreamControllerDesiredSizeCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamControllerDesiredSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamControllerDesiredSizeCodeConstructorKind;
-
-#define WEBCORE_FOREACH_READABLEBYTESTREAMCONTROLLER_BUILTIN_DATA(macro) \
-    macro(initializeReadableByteStreamController, readableByteStreamControllerInitializeReadableByteStreamController, 3) \
-    macro(enqueue, readableByteStreamControllerEnqueue, 1) \
-    macro(error, readableByteStreamControllerError, 1) \
-    macro(close, readableByteStreamControllerClose, 0) \
-    macro(byobRequest, readableByteStreamControllerByobRequest, 0) \
-    macro(desiredSize, readableByteStreamControllerDesiredSize, 0) \
-
-/* ReadableByteStreamInternals */
-extern const char* const s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCode;
-extern const int s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCode;
-extern const int s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCode;
-extern const int s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsIsReadableByteStreamControllerCode;
-extern const int s_readableByteStreamInternalsIsReadableByteStreamControllerCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsIsReadableByteStreamControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsIsReadableByteStreamControllerCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsIsReadableStreamBYOBRequestCode;
-extern const int s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsIsReadableStreamBYOBReaderCode;
-extern const int s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerCancelCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerErrorCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerCloseCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableStreamHasBYOBReaderCode;
-extern const int s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableStreamHasDefaultReaderCode;
-extern const int s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerPullCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerPullCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerPullCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerPullCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsTransferBufferToCurrentRealmCode;
-extern const int s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableStreamReaderKindCode;
-extern const int s_readableByteStreamInternalsReadableStreamReaderKindCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamReaderKindCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamReaderKindCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCode;
-extern const int s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableStreamBYOBReaderReadCode;
-extern const int s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCode;
-extern const int s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeConstructorKind;
-extern const char* const s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCode;
-extern const int s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeLength;
-extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeConstructorKind;
-
-#define WEBCORE_FOREACH_READABLEBYTESTREAMINTERNALS_BUILTIN_DATA(macro) \
-    macro(privateInitializeReadableByteStreamController, readableByteStreamInternalsPrivateInitializeReadableByteStreamController, 3) \
-    macro(readableStreamByteStreamControllerStart, readableByteStreamInternalsReadableStreamByteStreamControllerStart, 1) \
-    macro(privateInitializeReadableStreamBYOBRequest, readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequest, 2) \
-    macro(isReadableByteStreamController, readableByteStreamInternalsIsReadableByteStreamController, 1) \
-    macro(isReadableStreamBYOBRequest, readableByteStreamInternalsIsReadableStreamBYOBRequest, 1) \
-    macro(isReadableStreamBYOBReader, readableByteStreamInternalsIsReadableStreamBYOBReader, 1) \
-    macro(readableByteStreamControllerCancel, readableByteStreamInternalsReadableByteStreamControllerCancel, 2) \
-    macro(readableByteStreamControllerError, readableByteStreamInternalsReadableByteStreamControllerError, 2) \
-    macro(readableByteStreamControllerClose, readableByteStreamInternalsReadableByteStreamControllerClose, 1) \
-    macro(readableByteStreamControllerClearPendingPullIntos, readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntos, 1) \
-    macro(readableByteStreamControllerGetDesiredSize, readableByteStreamInternalsReadableByteStreamControllerGetDesiredSize, 1) \
-    macro(readableStreamHasBYOBReader, readableByteStreamInternalsReadableStreamHasBYOBReader, 1) \
-    macro(readableStreamHasDefaultReader, readableByteStreamInternalsReadableStreamHasDefaultReader, 1) \
-    macro(readableByteStreamControllerHandleQueueDrain, readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrain, 1) \
-    macro(readableByteStreamControllerPull, readableByteStreamInternalsReadableByteStreamControllerPull, 1) \
-    macro(readableByteStreamControllerShouldCallPull, readableByteStreamInternalsReadableByteStreamControllerShouldCallPull, 1) \
-    macro(readableByteStreamControllerCallPullIfNeeded, readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeeded, 1) \
-    macro(transferBufferToCurrentRealm, readableByteStreamInternalsTransferBufferToCurrentRealm, 1) \
-    macro(readableStreamReaderKind, readableByteStreamInternalsReadableStreamReaderKind, 1) \
-    macro(readableByteStreamControllerEnqueue, readableByteStreamInternalsReadableByteStreamControllerEnqueue, 2) \
-    macro(readableByteStreamControllerEnqueueChunk, readableByteStreamInternalsReadableByteStreamControllerEnqueueChunk, 4) \
-    macro(readableByteStreamControllerRespondWithNewView, readableByteStreamInternalsReadableByteStreamControllerRespondWithNewView, 2) \
-    macro(readableByteStreamControllerRespond, readableByteStreamInternalsReadableByteStreamControllerRespond, 2) \
-    macro(readableByteStreamControllerRespondInternal, readableByteStreamInternalsReadableByteStreamControllerRespondInternal, 2) \
-    macro(readableByteStreamControllerRespondInReadableState, readableByteStreamInternalsReadableByteStreamControllerRespondInReadableState, 3) \
-    macro(readableByteStreamControllerRespondInClosedState, readableByteStreamInternalsReadableByteStreamControllerRespondInClosedState, 2) \
-    macro(readableByteStreamControllerProcessPullDescriptors, readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptors, 1) \
-    macro(readableByteStreamControllerFillDescriptorFromQueue, readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueue, 2) \
-    macro(readableByteStreamControllerShiftPendingDescriptor, readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptor, 1) \
-    macro(readableByteStreamControllerInvalidateBYOBRequest, readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequest, 1) \
-    macro(readableByteStreamControllerCommitDescriptor, readableByteStreamInternalsReadableByteStreamControllerCommitDescriptor, 2) \
-    macro(readableByteStreamControllerConvertDescriptor, readableByteStreamInternalsReadableByteStreamControllerConvertDescriptor, 1) \
-    macro(readableStreamFulfillReadIntoRequest, readableByteStreamInternalsReadableStreamFulfillReadIntoRequest, 3) \
-    macro(readableStreamBYOBReaderRead, readableByteStreamInternalsReadableStreamBYOBReaderRead, 2) \
-    macro(readableByteStreamControllerPullInto, readableByteStreamInternalsReadableByteStreamControllerPullInto, 2) \
-    macro(readableStreamAddReadIntoRequest, readableByteStreamInternalsReadableStreamAddReadIntoRequest, 1) \
-
-/* ReadableStream */
-extern const char* const s_readableStreamInitializeReadableStreamCode;
-extern const int s_readableStreamInitializeReadableStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInitializeReadableStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInitializeReadableStreamCodeConstructorKind;
-extern const char* const s_readableStreamReadableStreamToArrayCode;
-extern const int s_readableStreamReadableStreamToArrayCodeLength;
-extern const JSC::ConstructAbility s_readableStreamReadableStreamToArrayCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamReadableStreamToArrayCodeConstructorKind;
-extern const char* const s_readableStreamReadableStreamToTextCode;
-extern const int s_readableStreamReadableStreamToTextCodeLength;
-extern const JSC::ConstructAbility s_readableStreamReadableStreamToTextCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamReadableStreamToTextCodeConstructorKind;
-extern const char* const s_readableStreamReadableStreamToJSONCode;
-extern const int s_readableStreamReadableStreamToJSONCodeLength;
-extern const JSC::ConstructAbility s_readableStreamReadableStreamToJSONCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamReadableStreamToJSONCodeConstructorKind;
-extern const char* const s_readableStreamReadableStreamToBlobCode;
-extern const int s_readableStreamReadableStreamToBlobCodeLength;
-extern const JSC::ConstructAbility s_readableStreamReadableStreamToBlobCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamReadableStreamToBlobCodeConstructorKind;
-extern const char* const s_readableStreamReadableStreamToArrayPublicCode;
-extern const int s_readableStreamReadableStreamToArrayPublicCodeLength;
-extern const JSC::ConstructAbility s_readableStreamReadableStreamToArrayPublicCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamReadableStreamToArrayPublicCodeConstructorKind;
-extern const char* const s_readableStreamConsumeReadableStreamCode;
-extern const int s_readableStreamConsumeReadableStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamConsumeReadableStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamConsumeReadableStreamCodeConstructorKind;
-extern const char* const s_readableStreamCreateEmptyReadableStreamCode;
-extern const int s_readableStreamCreateEmptyReadableStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamCreateEmptyReadableStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamCreateEmptyReadableStreamCodeConstructorKind;
-extern const char* const s_readableStreamCreateNativeReadableStreamCode;
-extern const int s_readableStreamCreateNativeReadableStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamCreateNativeReadableStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamCreateNativeReadableStreamCodeConstructorKind;
-extern const char* const s_readableStreamCancelCode;
-extern const int s_readableStreamCancelCodeLength;
-extern const JSC::ConstructAbility s_readableStreamCancelCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamCancelCodeConstructorKind;
-extern const char* const s_readableStreamGetReaderCode;
-extern const int s_readableStreamGetReaderCodeLength;
-extern const JSC::ConstructAbility s_readableStreamGetReaderCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamGetReaderCodeConstructorKind;
-extern const char* const s_readableStreamPipeThroughCode;
-extern const int s_readableStreamPipeThroughCodeLength;
-extern const JSC::ConstructAbility s_readableStreamPipeThroughCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamPipeThroughCodeConstructorKind;
-extern const char* const s_readableStreamPipeToCode;
-extern const int s_readableStreamPipeToCodeLength;
-extern const JSC::ConstructAbility s_readableStreamPipeToCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamPipeToCodeConstructorKind;
-extern const char* const s_readableStreamTeeCode;
-extern const int s_readableStreamTeeCodeLength;
-extern const JSC::ConstructAbility s_readableStreamTeeCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamTeeCodeConstructorKind;
-extern const char* const s_readableStreamLockedCode;
-extern const int s_readableStreamLockedCodeLength;
-extern const JSC::ConstructAbility s_readableStreamLockedCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamLockedCodeConstructorKind;
-
-#define WEBCORE_FOREACH_READABLESTREAM_BUILTIN_DATA(macro) \
-    macro(initializeReadableStream, readableStreamInitializeReadableStream, 2) \
-    macro(readableStreamToArray, readableStreamReadableStreamToArray, 1) \
-    macro(readableStreamToText, readableStreamReadableStreamToText, 1) \
-    macro(readableStreamToJSON, readableStreamReadableStreamToJSON, 1) \
-    macro(readableStreamToBlob, readableStreamReadableStreamToBlob, 1) \
-    macro(readableStreamToArrayPublic, readableStreamReadableStreamToArrayPublic, 1) \
-    macro(consumeReadableStream, readableStreamConsumeReadableStream, 3) \
-    macro(createEmptyReadableStream, readableStreamCreateEmptyReadableStream, 0) \
-    macro(createNativeReadableStream, readableStreamCreateNativeReadableStream, 3) \
-    macro(cancel, readableStreamCancel, 1) \
-    macro(getReader, readableStreamGetReader, 1) \
-    macro(pipeThrough, readableStreamPipeThrough, 2) \
-    macro(pipeTo, readableStreamPipeTo, 1) \
-    macro(tee, readableStreamTee, 0) \
-    macro(locked, readableStreamLocked, 0) \
-
-/* ReadableStreamBYOBReader */
-extern const char* const s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCode;
-extern const int s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeConstructorKind;
-extern const char* const s_readableStreamBYOBReaderCancelCode;
-extern const int s_readableStreamBYOBReaderCancelCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBReaderCancelCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBReaderCancelCodeConstructorKind;
-extern const char* const s_readableStreamBYOBReaderReadCode;
-extern const int s_readableStreamBYOBReaderReadCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBReaderReadCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBReaderReadCodeConstructorKind;
-extern const char* const s_readableStreamBYOBReaderReleaseLockCode;
-extern const int s_readableStreamBYOBReaderReleaseLockCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBReaderReleaseLockCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBReaderReleaseLockCodeConstructorKind;
-extern const char* const s_readableStreamBYOBReaderClosedCode;
-extern const int s_readableStreamBYOBReaderClosedCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBReaderClosedCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBReaderClosedCodeConstructorKind;
-
-#define WEBCORE_FOREACH_READABLESTREAMBYOBREADER_BUILTIN_DATA(macro) \
-    macro(initializeReadableStreamBYOBReader, readableStreamBYOBReaderInitializeReadableStreamBYOBReader, 1) \
-    macro(cancel, readableStreamBYOBReaderCancel, 1) \
-    macro(read, readableStreamBYOBReaderRead, 1) \
-    macro(releaseLock, readableStreamBYOBReaderReleaseLock, 0) \
-    macro(closed, readableStreamBYOBReaderClosed, 0) \
-
-/* ReadableStreamBYOBRequest */
-extern const char* const s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCode;
-extern const int s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeConstructorKind;
-extern const char* const s_readableStreamBYOBRequestRespondCode;
-extern const int s_readableStreamBYOBRequestRespondCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBRequestRespondCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBRequestRespondCodeConstructorKind;
-extern const char* const s_readableStreamBYOBRequestRespondWithNewViewCode;
-extern const int s_readableStreamBYOBRequestRespondWithNewViewCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBRequestRespondWithNewViewCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBRequestRespondWithNewViewCodeConstructorKind;
-extern const char* const s_readableStreamBYOBRequestViewCode;
-extern const int s_readableStreamBYOBRequestViewCodeLength;
-extern const JSC::ConstructAbility s_readableStreamBYOBRequestViewCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamBYOBRequestViewCodeConstructorKind;
-
-#define WEBCORE_FOREACH_READABLESTREAMBYOBREQUEST_BUILTIN_DATA(macro) \
-    macro(initializeReadableStreamBYOBRequest, readableStreamBYOBRequestInitializeReadableStreamBYOBRequest, 2) \
-    macro(respond, readableStreamBYOBRequestRespond, 1) \
-    macro(respondWithNewView, readableStreamBYOBRequestRespondWithNewView, 1) \
-    macro(view, readableStreamBYOBRequestView, 0) \
-
-/* ReadableStreamDefaultController */
-extern const char* const s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCode;
-extern const int s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_readableStreamDefaultControllerEnqueueCode;
-extern const int s_readableStreamDefaultControllerEnqueueCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultControllerEnqueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultControllerEnqueueCodeConstructorKind;
-extern const char* const s_readableStreamDefaultControllerErrorCode;
-extern const int s_readableStreamDefaultControllerErrorCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultControllerErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultControllerErrorCodeConstructorKind;
-extern const char* const s_readableStreamDefaultControllerCloseCode;
-extern const int s_readableStreamDefaultControllerCloseCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultControllerCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultControllerCloseCodeConstructorKind;
-extern const char* const s_readableStreamDefaultControllerDesiredSizeCode;
-extern const int s_readableStreamDefaultControllerDesiredSizeCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultControllerDesiredSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultControllerDesiredSizeCodeConstructorKind;
-
-#define WEBCORE_FOREACH_READABLESTREAMDEFAULTCONTROLLER_BUILTIN_DATA(macro) \
-    macro(initializeReadableStreamDefaultController, readableStreamDefaultControllerInitializeReadableStreamDefaultController, 4) \
-    macro(enqueue, readableStreamDefaultControllerEnqueue, 1) \
-    macro(error, readableStreamDefaultControllerError, 1) \
-    macro(close, readableStreamDefaultControllerClose, 0) \
-    macro(desiredSize, readableStreamDefaultControllerDesiredSize, 0) \
-
-/* ReadableStreamDefaultReader */
-extern const char* const s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCode;
-extern const int s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeConstructorKind;
-extern const char* const s_readableStreamDefaultReaderCancelCode;
-extern const int s_readableStreamDefaultReaderCancelCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultReaderCancelCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultReaderCancelCodeConstructorKind;
-extern const char* const s_readableStreamDefaultReaderReadManyCode;
-extern const int s_readableStreamDefaultReaderReadManyCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultReaderReadManyCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultReaderReadManyCodeConstructorKind;
-extern const char* const s_readableStreamDefaultReaderReadCode;
-extern const int s_readableStreamDefaultReaderReadCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultReaderReadCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultReaderReadCodeConstructorKind;
-extern const char* const s_readableStreamDefaultReaderReleaseLockCode;
-extern const int s_readableStreamDefaultReaderReleaseLockCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultReaderReleaseLockCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultReaderReleaseLockCodeConstructorKind;
-extern const char* const s_readableStreamDefaultReaderClosedCode;
-extern const int s_readableStreamDefaultReaderClosedCodeLength;
-extern const JSC::ConstructAbility s_readableStreamDefaultReaderClosedCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamDefaultReaderClosedCodeConstructorKind;
-
-#define WEBCORE_FOREACH_READABLESTREAMDEFAULTREADER_BUILTIN_DATA(macro) \
-    macro(initializeReadableStreamDefaultReader, readableStreamDefaultReaderInitializeReadableStreamDefaultReader, 1) \
-    macro(cancel, readableStreamDefaultReaderCancel, 1) \
-    macro(readMany, readableStreamDefaultReaderReadMany, 0) \
-    macro(read, readableStreamDefaultReaderRead, 0) \
-    macro(releaseLock, readableStreamDefaultReaderReleaseLock, 0) \
-    macro(closed, readableStreamDefaultReaderClosed, 0) \
-
-/* ReadableStreamInternals */
-extern const char* const s_readableStreamInternalsReadableStreamReaderGenericInitializeCode;
-extern const int s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCode;
-extern const int s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerErrorCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamPipeToCode;
-extern const int s_readableStreamInternalsReadableStreamPipeToCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamPipeToCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamPipeToCodeConstructorKind;
-extern const char* const s_readableStreamInternalsAcquireReadableStreamDefaultReaderCode;
-extern const int s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeConstructorKind;
-extern const char* const s_readableStreamInternalsSetupReadableStreamDefaultControllerCode;
-extern const int s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_readableStreamInternalsCreateReadableStreamControllerCode;
-extern const int s_readableStreamInternalsCreateReadableStreamControllerCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsCreateReadableStreamControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsCreateReadableStreamControllerCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerStartCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerStartCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerStartCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerStartCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamPipeToWritableStreamCode;
-extern const int s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToLoopCode;
-extern const int s_readableStreamInternalsPipeToLoopCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToLoopCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToLoopCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToDoReadWriteCode;
-extern const int s_readableStreamInternalsPipeToDoReadWriteCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToDoReadWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToDoReadWriteCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCode;
-extern const int s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCode;
-extern const int s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCode;
-extern const int s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCode;
-extern const int s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToShutdownWithActionCode;
-extern const int s_readableStreamInternalsPipeToShutdownWithActionCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToShutdownWithActionCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToShutdownWithActionCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToShutdownCode;
-extern const int s_readableStreamInternalsPipeToShutdownCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToShutdownCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToShutdownCodeConstructorKind;
-extern const char* const s_readableStreamInternalsPipeToFinalizeCode;
-extern const int s_readableStreamInternalsPipeToFinalizeCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsPipeToFinalizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsPipeToFinalizeCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamTeeCode;
-extern const int s_readableStreamInternalsReadableStreamTeeCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamTeeCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamTeeCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamTeePullFunctionCode;
-extern const int s_readableStreamInternalsReadableStreamTeePullFunctionCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamTeePullFunctionCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamTeePullFunctionCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCode;
-extern const int s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCode;
-extern const int s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeConstructorKind;
-extern const char* const s_readableStreamInternalsIsReadableStreamCode;
-extern const int s_readableStreamInternalsIsReadableStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamCodeConstructorKind;
-extern const char* const s_readableStreamInternalsIsReadableStreamDefaultReaderCode;
-extern const int s_readableStreamInternalsIsReadableStreamDefaultReaderCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamDefaultReaderCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamDefaultReaderCodeConstructorKind;
-extern const char* const s_readableStreamInternalsIsReadableStreamDefaultControllerCode;
-extern const int s_readableStreamInternalsIsReadableStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_readableStreamInternalsAssignDirectStreamCode;
-extern const int s_readableStreamInternalsAssignDirectStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsAssignDirectStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsAssignDirectStreamCodeConstructorKind;
-extern const char* const s_readableStreamInternalsHandleDirectStreamErrorCode;
-extern const int s_readableStreamInternalsHandleDirectStreamErrorCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsHandleDirectStreamErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsHandleDirectStreamErrorCodeConstructorKind;
-extern const char* const s_readableStreamInternalsHandleDirectStreamErrorRejectCode;
-extern const int s_readableStreamInternalsHandleDirectStreamErrorRejectCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsHandleDirectStreamErrorRejectCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsHandleDirectStreamErrorRejectCodeConstructorKind;
-extern const char* const s_readableStreamInternalsOnPullDirectStreamCode;
-extern const int s_readableStreamInternalsOnPullDirectStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsOnPullDirectStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsOnPullDirectStreamCodeConstructorKind;
-extern const char* const s_readableStreamInternalsNoopDoneFunctionCode;
-extern const int s_readableStreamInternalsNoopDoneFunctionCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsNoopDoneFunctionCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsNoopDoneFunctionCodeConstructorKind;
-extern const char* const s_readableStreamInternalsOnReadableStreamDirectControllerClosedCode;
-extern const int s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeConstructorKind;
-extern const char* const s_readableStreamInternalsOnCloseDirectStreamCode;
-extern const int s_readableStreamInternalsOnCloseDirectStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsOnCloseDirectStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsOnCloseDirectStreamCodeConstructorKind;
-extern const char* const s_readableStreamInternalsOnDrainDirectStreamCode;
-extern const int s_readableStreamInternalsOnDrainDirectStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsOnDrainDirectStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsOnDrainDirectStreamCodeConstructorKind;
-extern const char* const s_readableStreamInternalsInitializeArrayBufferStreamCode;
-extern const int s_readableStreamInternalsInitializeArrayBufferStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsInitializeArrayBufferStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsInitializeArrayBufferStreamCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamErrorCode;
-extern const int s_readableStreamInternalsReadableStreamErrorCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamErrorCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeConstructorKind;
-extern const char* const s_readableStreamInternalsIsReadableStreamLockedCode;
-extern const int s_readableStreamInternalsIsReadableStreamLockedCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamLockedCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamLockedCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamReaderGenericCancelCode;
-extern const int s_readableStreamInternalsReadableStreamReaderGenericCancelCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamReaderGenericCancelCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamReaderGenericCancelCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamCancelCode;
-extern const int s_readableStreamInternalsReadableStreamCancelCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamCancelCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamCancelCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerCancelCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerPullCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerPullCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerPullCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerPullCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerCloseCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamCloseCode;
-extern const int s_readableStreamInternalsReadableStreamCloseCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamCloseCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamFulfillReadRequestCode;
-extern const int s_readableStreamInternalsReadableStreamFulfillReadRequestCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamFulfillReadRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamFulfillReadRequestCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultReaderReadCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultReaderReadCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultReaderReadCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultReaderReadCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamAddReadRequestCode;
-extern const int s_readableStreamInternalsReadableStreamAddReadRequestCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamAddReadRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamAddReadRequestCodeConstructorKind;
-extern const char* const s_readableStreamInternalsIsReadableStreamDisturbedCode;
-extern const int s_readableStreamInternalsIsReadableStreamDisturbedCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamDisturbedCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamDisturbedCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamReaderGenericReleaseCode;
-extern const int s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeConstructorKind;
-extern const char* const s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCode;
-extern const int s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeConstructorKind;
-extern const char* const s_readableStreamInternalsLazyLoadStreamCode;
-extern const int s_readableStreamInternalsLazyLoadStreamCodeLength;
-extern const JSC::ConstructAbility s_readableStreamInternalsLazyLoadStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_readableStreamInternalsLazyLoadStreamCodeConstructorKind;
-
-#define WEBCORE_FOREACH_READABLESTREAMINTERNALS_BUILTIN_DATA(macro) \
-    macro(readableStreamReaderGenericInitialize, readableStreamInternalsReadableStreamReaderGenericInitialize, 2) \
-    macro(privateInitializeReadableStreamDefaultController, readableStreamInternalsPrivateInitializeReadableStreamDefaultController, 4) \
-    macro(readableStreamDefaultControllerError, readableStreamInternalsReadableStreamDefaultControllerError, 2) \
-    macro(readableStreamPipeTo, readableStreamInternalsReadableStreamPipeTo, 2) \
-    macro(acquireReadableStreamDefaultReader, readableStreamInternalsAcquireReadableStreamDefaultReader, 1) \
-    macro(setupReadableStreamDefaultController, readableStreamInternalsSetupReadableStreamDefaultController, 7) \
-    macro(createReadableStreamController, readableStreamInternalsCreateReadableStreamController, 3) \
-    macro(readableStreamDefaultControllerStart, readableStreamInternalsReadableStreamDefaultControllerStart, 1) \
-    macro(readableStreamPipeToWritableStream, readableStreamInternalsReadableStreamPipeToWritableStream, 6) \
-    macro(pipeToLoop, readableStreamInternalsPipeToLoop, 1) \
-    macro(pipeToDoReadWrite, readableStreamInternalsPipeToDoReadWrite, 1) \
-    macro(pipeToErrorsMustBePropagatedForward, readableStreamInternalsPipeToErrorsMustBePropagatedForward, 1) \
-    macro(pipeToErrorsMustBePropagatedBackward, readableStreamInternalsPipeToErrorsMustBePropagatedBackward, 1) \
-    macro(pipeToClosingMustBePropagatedForward, readableStreamInternalsPipeToClosingMustBePropagatedForward, 1) \
-    macro(pipeToClosingMustBePropagatedBackward, readableStreamInternalsPipeToClosingMustBePropagatedBackward, 1) \
-    macro(pipeToShutdownWithAction, readableStreamInternalsPipeToShutdownWithAction, 2) \
-    macro(pipeToShutdown, readableStreamInternalsPipeToShutdown, 1) \
-    macro(pipeToFinalize, readableStreamInternalsPipeToFinalize, 1) \
-    macro(readableStreamTee, readableStreamInternalsReadableStreamTee, 2) \
-    macro(readableStreamTeePullFunction, readableStreamInternalsReadableStreamTeePullFunction, 3) \
-    macro(readableStreamTeeBranch1CancelFunction, readableStreamInternalsReadableStreamTeeBranch1CancelFunction, 2) \
-    macro(readableStreamTeeBranch2CancelFunction, readableStreamInternalsReadableStreamTeeBranch2CancelFunction, 2) \
-    macro(isReadableStream, readableStreamInternalsIsReadableStream, 1) \
-    macro(isReadableStreamDefaultReader, readableStreamInternalsIsReadableStreamDefaultReader, 1) \
-    macro(isReadableStreamDefaultController, readableStreamInternalsIsReadableStreamDefaultController, 1) \
-    macro(assignDirectStream, readableStreamInternalsAssignDirectStream, 0) \
-    macro(handleDirectStreamError, readableStreamInternalsHandleDirectStreamError, 1) \
-    macro(handleDirectStreamErrorReject, readableStreamInternalsHandleDirectStreamErrorReject, 1) \
-    macro(onPullDirectStream, readableStreamInternalsOnPullDirectStream, 1) \
-    macro(noopDoneFunction, readableStreamInternalsNoopDoneFunction, 0) \
-    macro(onReadableStreamDirectControllerClosed, readableStreamInternalsOnReadableStreamDirectControllerClosed, 1) \
-    macro(onCloseDirectStream, readableStreamInternalsOnCloseDirectStream, 1) \
-    macro(onDrainDirectStream, readableStreamInternalsOnDrainDirectStream, 0) \
-    macro(initializeArrayBufferStream, readableStreamInternalsInitializeArrayBufferStream, 2) \
-    macro(readableStreamError, readableStreamInternalsReadableStreamError, 2) \
-    macro(readableStreamDefaultControllerShouldCallPull, readableStreamInternalsReadableStreamDefaultControllerShouldCallPull, 1) \
-    macro(readableStreamDefaultControllerCallPullIfNeeded, readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeeded, 1) \
-    macro(isReadableStreamLocked, readableStreamInternalsIsReadableStreamLocked, 1) \
-    macro(readableStreamDefaultControllerGetDesiredSize, readableStreamInternalsReadableStreamDefaultControllerGetDesiredSize, 1) \
-    macro(readableStreamReaderGenericCancel, readableStreamInternalsReadableStreamReaderGenericCancel, 2) \
-    macro(readableStreamCancel, readableStreamInternalsReadableStreamCancel, 2) \
-    macro(readableStreamDefaultControllerCancel, readableStreamInternalsReadableStreamDefaultControllerCancel, 2) \
-    macro(readableStreamDefaultControllerPull, readableStreamInternalsReadableStreamDefaultControllerPull, 1) \
-    macro(readableStreamDefaultControllerClose, readableStreamInternalsReadableStreamDefaultControllerClose, 1) \
-    macro(readableStreamClose, readableStreamInternalsReadableStreamClose, 1) \
-    macro(readableStreamFulfillReadRequest, readableStreamInternalsReadableStreamFulfillReadRequest, 3) \
-    macro(readableStreamDefaultControllerEnqueue, readableStreamInternalsReadableStreamDefaultControllerEnqueue, 2) \
-    macro(readableStreamDefaultReaderRead, readableStreamInternalsReadableStreamDefaultReaderRead, 1) \
-    macro(readableStreamAddReadRequest, readableStreamInternalsReadableStreamAddReadRequest, 1) \
-    macro(isReadableStreamDisturbed, readableStreamInternalsIsReadableStreamDisturbed, 1) \
-    macro(readableStreamReaderGenericRelease, readableStreamInternalsReadableStreamReaderGenericRelease, 1) \
-    macro(readableStreamDefaultControllerCanCloseOrEnqueue, readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueue, 1) \
-    macro(lazyLoadStream, readableStreamInternalsLazyLoadStream, 2) \
-
-/* StreamInternals */
-extern const char* const s_streamInternalsMarkPromiseAsHandledCode;
-extern const int s_streamInternalsMarkPromiseAsHandledCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsMarkPromiseAsHandledCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsMarkPromiseAsHandledCodeConstructorKind;
-extern const char* const s_streamInternalsShieldingPromiseResolveCode;
-extern const int s_streamInternalsShieldingPromiseResolveCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsShieldingPromiseResolveCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsShieldingPromiseResolveCodeConstructorKind;
-extern const char* const s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCode;
-extern const int s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeConstructorKind;
-extern const char* const s_streamInternalsPromiseInvokeOrNoopNoCatchCode;
-extern const int s_streamInternalsPromiseInvokeOrNoopNoCatchCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrNoopNoCatchCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrNoopNoCatchCodeConstructorKind;
-extern const char* const s_streamInternalsPromiseInvokeOrNoopMethodCode;
-extern const int s_streamInternalsPromiseInvokeOrNoopMethodCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrNoopMethodCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrNoopMethodCodeConstructorKind;
-extern const char* const s_streamInternalsPromiseInvokeOrNoopCode;
-extern const int s_streamInternalsPromiseInvokeOrNoopCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrNoopCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrNoopCodeConstructorKind;
-extern const char* const s_streamInternalsPromiseInvokeOrFallbackOrNoopCode;
-extern const int s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeConstructorKind;
-extern const char* const s_streamInternalsValidateAndNormalizeQueuingStrategyCode;
-extern const int s_streamInternalsValidateAndNormalizeQueuingStrategyCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsValidateAndNormalizeQueuingStrategyCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsValidateAndNormalizeQueuingStrategyCodeConstructorKind;
-extern const char* const s_streamInternalsCreateFIFOCode;
-extern const int s_streamInternalsCreateFIFOCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsCreateFIFOCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsCreateFIFOCodeConstructorKind;
-extern const char* const s_streamInternalsNewQueueCode;
-extern const int s_streamInternalsNewQueueCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsNewQueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsNewQueueCodeConstructorKind;
-extern const char* const s_streamInternalsDequeueValueCode;
-extern const int s_streamInternalsDequeueValueCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsDequeueValueCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsDequeueValueCodeConstructorKind;
-extern const char* const s_streamInternalsEnqueueValueWithSizeCode;
-extern const int s_streamInternalsEnqueueValueWithSizeCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsEnqueueValueWithSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsEnqueueValueWithSizeCodeConstructorKind;
-extern const char* const s_streamInternalsPeekQueueValueCode;
-extern const int s_streamInternalsPeekQueueValueCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsPeekQueueValueCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsPeekQueueValueCodeConstructorKind;
-extern const char* const s_streamInternalsResetQueueCode;
-extern const int s_streamInternalsResetQueueCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsResetQueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsResetQueueCodeConstructorKind;
-extern const char* const s_streamInternalsExtractSizeAlgorithmCode;
-extern const int s_streamInternalsExtractSizeAlgorithmCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsExtractSizeAlgorithmCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsExtractSizeAlgorithmCodeConstructorKind;
-extern const char* const s_streamInternalsExtractHighWaterMarkCode;
-extern const int s_streamInternalsExtractHighWaterMarkCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsExtractHighWaterMarkCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsExtractHighWaterMarkCodeConstructorKind;
-extern const char* const s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCode;
-extern const int s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeConstructorKind;
-extern const char* const s_streamInternalsCreateFulfilledPromiseCode;
-extern const int s_streamInternalsCreateFulfilledPromiseCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsCreateFulfilledPromiseCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsCreateFulfilledPromiseCodeConstructorKind;
-extern const char* const s_streamInternalsToDictionaryCode;
-extern const int s_streamInternalsToDictionaryCodeLength;
-extern const JSC::ConstructAbility s_streamInternalsToDictionaryCodeConstructAbility;
-extern const JSC::ConstructorKind s_streamInternalsToDictionaryCodeConstructorKind;
-
-#define WEBCORE_FOREACH_STREAMINTERNALS_BUILTIN_DATA(macro) \
-    macro(markPromiseAsHandled, streamInternalsMarkPromiseAsHandled, 1) \
-    macro(shieldingPromiseResolve, streamInternalsShieldingPromiseResolve, 1) \
-    macro(promiseInvokeOrNoopMethodNoCatch, streamInternalsPromiseInvokeOrNoopMethodNoCatch, 3) \
-    macro(promiseInvokeOrNoopNoCatch, streamInternalsPromiseInvokeOrNoopNoCatch, 3) \
-    macro(promiseInvokeOrNoopMethod, streamInternalsPromiseInvokeOrNoopMethod, 3) \
-    macro(promiseInvokeOrNoop, streamInternalsPromiseInvokeOrNoop, 3) \
-    macro(promiseInvokeOrFallbackOrNoop, streamInternalsPromiseInvokeOrFallbackOrNoop, 5) \
-    macro(validateAndNormalizeQueuingStrategy, streamInternalsValidateAndNormalizeQueuingStrategy, 2) \
-    macro(createFIFO, streamInternalsCreateFIFO, 0) \
-    macro(newQueue, streamInternalsNewQueue, 0) \
-    macro(dequeueValue, streamInternalsDequeueValue, 1) \
-    macro(enqueueValueWithSize, streamInternalsEnqueueValueWithSize, 3) \
-    macro(peekQueueValue, streamInternalsPeekQueueValue, 1) \
-    macro(resetQueue, streamInternalsResetQueue, 1) \
-    macro(extractSizeAlgorithm, streamInternalsExtractSizeAlgorithm, 1) \
-    macro(extractHighWaterMark, streamInternalsExtractHighWaterMark, 2) \
-    macro(extractHighWaterMarkFromQueuingStrategyInit, streamInternalsExtractHighWaterMarkFromQueuingStrategyInit, 1) \
-    macro(createFulfilledPromise, streamInternalsCreateFulfilledPromise, 1) \
-    macro(toDictionary, streamInternalsToDictionary, 3) \
-
-/* TransformStream */
-extern const char* const s_transformStreamInitializeTransformStreamCode;
-extern const int s_transformStreamInitializeTransformStreamCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInitializeTransformStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInitializeTransformStreamCodeConstructorKind;
-extern const char* const s_transformStreamReadableCode;
-extern const int s_transformStreamReadableCodeLength;
-extern const JSC::ConstructAbility s_transformStreamReadableCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamReadableCodeConstructorKind;
-extern const char* const s_transformStreamWritableCode;
-extern const int s_transformStreamWritableCodeLength;
-extern const JSC::ConstructAbility s_transformStreamWritableCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamWritableCodeConstructorKind;
-
-#define WEBCORE_FOREACH_TRANSFORMSTREAM_BUILTIN_DATA(macro) \
-    macro(initializeTransformStream, transformStreamInitializeTransformStream, 0) \
-    macro(readable, transformStreamReadable, 0) \
-    macro(writable, transformStreamWritable, 0) \
-
-/* TransformStreamDefaultController */
-extern const char* const s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCode;
-extern const int s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_transformStreamDefaultControllerDesiredSizeCode;
-extern const int s_transformStreamDefaultControllerDesiredSizeCodeLength;
-extern const JSC::ConstructAbility s_transformStreamDefaultControllerDesiredSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamDefaultControllerDesiredSizeCodeConstructorKind;
-extern const char* const s_transformStreamDefaultControllerEnqueueCode;
-extern const int s_transformStreamDefaultControllerEnqueueCodeLength;
-extern const JSC::ConstructAbility s_transformStreamDefaultControllerEnqueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamDefaultControllerEnqueueCodeConstructorKind;
-extern const char* const s_transformStreamDefaultControllerErrorCode;
-extern const int s_transformStreamDefaultControllerErrorCodeLength;
-extern const JSC::ConstructAbility s_transformStreamDefaultControllerErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamDefaultControllerErrorCodeConstructorKind;
-extern const char* const s_transformStreamDefaultControllerTerminateCode;
-extern const int s_transformStreamDefaultControllerTerminateCodeLength;
-extern const JSC::ConstructAbility s_transformStreamDefaultControllerTerminateCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamDefaultControllerTerminateCodeConstructorKind;
-
-#define WEBCORE_FOREACH_TRANSFORMSTREAMDEFAULTCONTROLLER_BUILTIN_DATA(macro) \
-    macro(initializeTransformStreamDefaultController, transformStreamDefaultControllerInitializeTransformStreamDefaultController, 0) \
-    macro(desiredSize, transformStreamDefaultControllerDesiredSize, 0) \
-    macro(enqueue, transformStreamDefaultControllerEnqueue, 1) \
-    macro(error, transformStreamDefaultControllerError, 1) \
-    macro(terminate, transformStreamDefaultControllerTerminate, 0) \
-
-/* TransformStreamInternals */
-extern const char* const s_transformStreamInternalsIsTransformStreamCode;
-extern const int s_transformStreamInternalsIsTransformStreamCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsIsTransformStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsIsTransformStreamCodeConstructorKind;
-extern const char* const s_transformStreamInternalsIsTransformStreamDefaultControllerCode;
-extern const int s_transformStreamInternalsIsTransformStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsIsTransformStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsIsTransformStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_transformStreamInternalsCreateTransformStreamCode;
-extern const int s_transformStreamInternalsCreateTransformStreamCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsCreateTransformStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsCreateTransformStreamCodeConstructorKind;
-extern const char* const s_transformStreamInternalsInitializeTransformStreamCode;
-extern const int s_transformStreamInternalsInitializeTransformStreamCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsInitializeTransformStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsInitializeTransformStreamCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamErrorCode;
-extern const int s_transformStreamInternalsTransformStreamErrorCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamErrorCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCode;
-extern const int s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamSetBackpressureCode;
-extern const int s_transformStreamInternalsTransformStreamSetBackpressureCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamSetBackpressureCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamSetBackpressureCodeConstructorKind;
-extern const char* const s_transformStreamInternalsSetUpTransformStreamDefaultControllerCode;
-extern const int s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCode;
-extern const int s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultControllerErrorCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultControllerTerminateCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeConstructorKind;
-extern const char* const s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCode;
-extern const int s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeLength;
-extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeConstructAbility;
-extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeConstructorKind;
-
-#define WEBCORE_FOREACH_TRANSFORMSTREAMINTERNALS_BUILTIN_DATA(macro) \
-    macro(isTransformStream, transformStreamInternalsIsTransformStream, 1) \
-    macro(isTransformStreamDefaultController, transformStreamInternalsIsTransformStreamDefaultController, 1) \
-    macro(createTransformStream, transformStreamInternalsCreateTransformStream, 7) \
-    macro(initializeTransformStream, transformStreamInternalsInitializeTransformStream, 6) \
-    macro(transformStreamError, transformStreamInternalsTransformStreamError, 2) \
-    macro(transformStreamErrorWritableAndUnblockWrite, transformStreamInternalsTransformStreamErrorWritableAndUnblockWrite, 2) \
-    macro(transformStreamSetBackpressure, transformStreamInternalsTransformStreamSetBackpressure, 2) \
-    macro(setUpTransformStreamDefaultController, transformStreamInternalsSetUpTransformStreamDefaultController, 4) \
-    macro(setUpTransformStreamDefaultControllerFromTransformer, transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformer, 3) \
-    macro(transformStreamDefaultControllerClearAlgorithms, transformStreamInternalsTransformStreamDefaultControllerClearAlgorithms, 1) \
-    macro(transformStreamDefaultControllerEnqueue, transformStreamInternalsTransformStreamDefaultControllerEnqueue, 2) \
-    macro(transformStreamDefaultControllerError, transformStreamInternalsTransformStreamDefaultControllerError, 2) \
-    macro(transformStreamDefaultControllerPerformTransform, transformStreamInternalsTransformStreamDefaultControllerPerformTransform, 2) \
-    macro(transformStreamDefaultControllerTerminate, transformStreamInternalsTransformStreamDefaultControllerTerminate, 1) \
-    macro(transformStreamDefaultSinkWriteAlgorithm, transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithm, 2) \
-    macro(transformStreamDefaultSinkAbortAlgorithm, transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithm, 2) \
-    macro(transformStreamDefaultSinkCloseAlgorithm, transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithm, 1) \
-    macro(transformStreamDefaultSourcePullAlgorithm, transformStreamInternalsTransformStreamDefaultSourcePullAlgorithm, 1) \
-
-/* WritableStreamDefaultController */
-extern const char* const s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCode;
-extern const int s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_writableStreamDefaultControllerErrorCode;
-extern const int s_writableStreamDefaultControllerErrorCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultControllerErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultControllerErrorCodeConstructorKind;
-
-#define WEBCORE_FOREACH_WRITABLESTREAMDEFAULTCONTROLLER_BUILTIN_DATA(macro) \
-    macro(initializeWritableStreamDefaultController, writableStreamDefaultControllerInitializeWritableStreamDefaultController, 0) \
-    macro(error, writableStreamDefaultControllerError, 1) \
-
-/* WritableStreamDefaultWriter */
-extern const char* const s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCode;
-extern const int s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeConstructorKind;
-extern const char* const s_writableStreamDefaultWriterClosedCode;
-extern const int s_writableStreamDefaultWriterClosedCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultWriterClosedCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultWriterClosedCodeConstructorKind;
-extern const char* const s_writableStreamDefaultWriterDesiredSizeCode;
-extern const int s_writableStreamDefaultWriterDesiredSizeCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultWriterDesiredSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultWriterDesiredSizeCodeConstructorKind;
-extern const char* const s_writableStreamDefaultWriterReadyCode;
-extern const int s_writableStreamDefaultWriterReadyCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultWriterReadyCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultWriterReadyCodeConstructorKind;
-extern const char* const s_writableStreamDefaultWriterAbortCode;
-extern const int s_writableStreamDefaultWriterAbortCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultWriterAbortCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultWriterAbortCodeConstructorKind;
-extern const char* const s_writableStreamDefaultWriterCloseCode;
-extern const int s_writableStreamDefaultWriterCloseCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultWriterCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultWriterCloseCodeConstructorKind;
-extern const char* const s_writableStreamDefaultWriterReleaseLockCode;
-extern const int s_writableStreamDefaultWriterReleaseLockCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultWriterReleaseLockCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultWriterReleaseLockCodeConstructorKind;
-extern const char* const s_writableStreamDefaultWriterWriteCode;
-extern const int s_writableStreamDefaultWriterWriteCodeLength;
-extern const JSC::ConstructAbility s_writableStreamDefaultWriterWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamDefaultWriterWriteCodeConstructorKind;
-
-#define WEBCORE_FOREACH_WRITABLESTREAMDEFAULTWRITER_BUILTIN_DATA(macro) \
-    macro(initializeWritableStreamDefaultWriter, writableStreamDefaultWriterInitializeWritableStreamDefaultWriter, 1) \
-    macro(closed, writableStreamDefaultWriterClosed, 0) \
-    macro(desiredSize, writableStreamDefaultWriterDesiredSize, 0) \
-    macro(ready, writableStreamDefaultWriterReady, 0) \
-    macro(abort, writableStreamDefaultWriterAbort, 1) \
-    macro(close, writableStreamDefaultWriterClose, 0) \
-    macro(releaseLock, writableStreamDefaultWriterReleaseLock, 0) \
-    macro(write, writableStreamDefaultWriterWrite, 1) \
-
-/* WritableStreamInternals */
-extern const char* const s_writableStreamInternalsIsWritableStreamCode;
-extern const int s_writableStreamInternalsIsWritableStreamCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsIsWritableStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsIsWritableStreamCodeConstructorKind;
-extern const char* const s_writableStreamInternalsIsWritableStreamDefaultWriterCode;
-extern const int s_writableStreamInternalsIsWritableStreamDefaultWriterCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsIsWritableStreamDefaultWriterCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsIsWritableStreamDefaultWriterCodeConstructorKind;
-extern const char* const s_writableStreamInternalsAcquireWritableStreamDefaultWriterCode;
-extern const int s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeConstructorKind;
-extern const char* const s_writableStreamInternalsCreateWritableStreamCode;
-extern const int s_writableStreamInternalsCreateWritableStreamCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsCreateWritableStreamCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsCreateWritableStreamCodeConstructorKind;
-extern const char* const s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCode;
-extern const int s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeConstructorKind;
-extern const char* const s_writableStreamInternalsInitializeWritableStreamSlotsCode;
-extern const int s_writableStreamInternalsInitializeWritableStreamSlotsCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsInitializeWritableStreamSlotsCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsInitializeWritableStreamSlotsCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamCloseForBindingsCode;
-extern const int s_writableStreamInternalsWritableStreamCloseForBindingsCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamCloseForBindingsCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamCloseForBindingsCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamAbortForBindingsCode;
-extern const int s_writableStreamInternalsWritableStreamAbortForBindingsCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamAbortForBindingsCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamAbortForBindingsCodeConstructorKind;
-extern const char* const s_writableStreamInternalsIsWritableStreamLockedCode;
-extern const int s_writableStreamInternalsIsWritableStreamLockedCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsIsWritableStreamLockedCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsIsWritableStreamLockedCodeConstructorKind;
-extern const char* const s_writableStreamInternalsSetUpWritableStreamDefaultWriterCode;
-extern const int s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamAbortCode;
-extern const int s_writableStreamInternalsWritableStreamAbortCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamAbortCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamAbortCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamCloseCode;
-extern const int s_writableStreamInternalsWritableStreamCloseCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamCloseCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamAddWriteRequestCode;
-extern const int s_writableStreamInternalsWritableStreamAddWriteRequestCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamAddWriteRequestCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamAddWriteRequestCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCode;
-extern const int s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDealWithRejectionCode;
-extern const int s_writableStreamInternalsWritableStreamDealWithRejectionCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDealWithRejectionCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDealWithRejectionCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamFinishErroringCode;
-extern const int s_writableStreamInternalsWritableStreamFinishErroringCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishErroringCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishErroringCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamFinishInFlightCloseCode;
-extern const int s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCode;
-extern const int s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamFinishInFlightWriteCode;
-extern const int s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCode;
-extern const int s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCode;
-extern const int s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCode;
-extern const int s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCode;
-extern const int s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCode;
-extern const int s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamStartErroringCode;
-extern const int s_writableStreamInternalsWritableStreamStartErroringCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamStartErroringCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamStartErroringCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamUpdateBackpressureCode;
-extern const int s_writableStreamInternalsWritableStreamUpdateBackpressureCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamUpdateBackpressureCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamUpdateBackpressureCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultWriterAbortCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultWriterCloseCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultWriterReleaseCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultWriterWriteCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeConstructorKind;
-extern const char* const s_writableStreamInternalsSetUpWritableStreamDefaultControllerCode;
-extern const int s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerStartCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerStartCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerStartCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerStartCodeConstructorKind;
-extern const char* const s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCode;
-extern const int s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeConstructorKind;
-extern const char* const s_writableStreamInternalsIsCloseSentinelCode;
-extern const int s_writableStreamInternalsIsCloseSentinelCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsIsCloseSentinelCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsIsCloseSentinelCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerCloseCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerErrorCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeConstructorKind;
-extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerWriteCode;
-extern const int s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeLength;
-extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeConstructAbility;
-extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeConstructorKind;
-
-#define WEBCORE_FOREACH_WRITABLESTREAMINTERNALS_BUILTIN_DATA(macro) \
-    macro(isWritableStream, writableStreamInternalsIsWritableStream, 1) \
-    macro(isWritableStreamDefaultWriter, writableStreamInternalsIsWritableStreamDefaultWriter, 1) \
-    macro(acquireWritableStreamDefaultWriter, writableStreamInternalsAcquireWritableStreamDefaultWriter, 1) \
-    macro(createWritableStream, writableStreamInternalsCreateWritableStream, 6) \
-    macro(createInternalWritableStreamFromUnderlyingSink, writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSink, 2) \
-    macro(initializeWritableStreamSlots, writableStreamInternalsInitializeWritableStreamSlots, 2) \
-    macro(writableStreamCloseForBindings, writableStreamInternalsWritableStreamCloseForBindings, 1) \
-    macro(writableStreamAbortForBindings, writableStreamInternalsWritableStreamAbortForBindings, 2) \
-    macro(isWritableStreamLocked, writableStreamInternalsIsWritableStreamLocked, 1) \
-    macro(setUpWritableStreamDefaultWriter, writableStreamInternalsSetUpWritableStreamDefaultWriter, 2) \
-    macro(writableStreamAbort, writableStreamInternalsWritableStreamAbort, 2) \
-    macro(writableStreamClose, writableStreamInternalsWritableStreamClose, 1) \
-    macro(writableStreamAddWriteRequest, writableStreamInternalsWritableStreamAddWriteRequest, 1) \
-    macro(writableStreamCloseQueuedOrInFlight, writableStreamInternalsWritableStreamCloseQueuedOrInFlight, 1) \
-    macro(writableStreamDealWithRejection, writableStreamInternalsWritableStreamDealWithRejection, 2) \
-    macro(writableStreamFinishErroring, writableStreamInternalsWritableStreamFinishErroring, 1) \
-    macro(writableStreamFinishInFlightClose, writableStreamInternalsWritableStreamFinishInFlightClose, 1) \
-    macro(writableStreamFinishInFlightCloseWithError, writableStreamInternalsWritableStreamFinishInFlightCloseWithError, 2) \
-    macro(writableStreamFinishInFlightWrite, writableStreamInternalsWritableStreamFinishInFlightWrite, 1) \
-    macro(writableStreamFinishInFlightWriteWithError, writableStreamInternalsWritableStreamFinishInFlightWriteWithError, 2) \
-    macro(writableStreamHasOperationMarkedInFlight, writableStreamInternalsWritableStreamHasOperationMarkedInFlight, 1) \
-    macro(writableStreamMarkCloseRequestInFlight, writableStreamInternalsWritableStreamMarkCloseRequestInFlight, 1) \
-    macro(writableStreamMarkFirstWriteRequestInFlight, writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlight, 1) \
-    macro(writableStreamRejectCloseAndClosedPromiseIfNeeded, writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeeded, 1) \
-    macro(writableStreamStartErroring, writableStreamInternalsWritableStreamStartErroring, 2) \
-    macro(writableStreamUpdateBackpressure, writableStreamInternalsWritableStreamUpdateBackpressure, 2) \
-    macro(writableStreamDefaultWriterAbort, writableStreamInternalsWritableStreamDefaultWriterAbort, 2) \
-    macro(writableStreamDefaultWriterClose, writableStreamInternalsWritableStreamDefaultWriterClose, 1) \
-    macro(writableStreamDefaultWriterCloseWithErrorPropagation, writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagation, 1) \
-    macro(writableStreamDefaultWriterEnsureClosedPromiseRejected, writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejected, 2) \
-    macro(writableStreamDefaultWriterEnsureReadyPromiseRejected, writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejected, 2) \
-    macro(writableStreamDefaultWriterGetDesiredSize, writableStreamInternalsWritableStreamDefaultWriterGetDesiredSize, 1) \
-    macro(writableStreamDefaultWriterRelease, writableStreamInternalsWritableStreamDefaultWriterRelease, 1) \
-    macro(writableStreamDefaultWriterWrite, writableStreamInternalsWritableStreamDefaultWriterWrite, 2) \
-    macro(setUpWritableStreamDefaultController, writableStreamInternalsSetUpWritableStreamDefaultController, 8) \
-    macro(writableStreamDefaultControllerStart, writableStreamInternalsWritableStreamDefaultControllerStart, 1) \
-    macro(setUpWritableStreamDefaultControllerFromUnderlyingSink, writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSink, 5) \
-    macro(writableStreamDefaultControllerAdvanceQueueIfNeeded, writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeeded, 1) \
-    macro(isCloseSentinel, writableStreamInternalsIsCloseSentinel, 0) \
-    macro(writableStreamDefaultControllerClearAlgorithms, writableStreamInternalsWritableStreamDefaultControllerClearAlgorithms, 1) \
-    macro(writableStreamDefaultControllerClose, writableStreamInternalsWritableStreamDefaultControllerClose, 1) \
-    macro(writableStreamDefaultControllerError, writableStreamInternalsWritableStreamDefaultControllerError, 2) \
-    macro(writableStreamDefaultControllerErrorIfNeeded, writableStreamInternalsWritableStreamDefaultControllerErrorIfNeeded, 2) \
-    macro(writableStreamDefaultControllerGetBackpressure, writableStreamInternalsWritableStreamDefaultControllerGetBackpressure, 1) \
-    macro(writableStreamDefaultControllerGetChunkSize, writableStreamInternalsWritableStreamDefaultControllerGetChunkSize, 2) \
-    macro(writableStreamDefaultControllerGetDesiredSize, writableStreamInternalsWritableStreamDefaultControllerGetDesiredSize, 1) \
-    macro(writableStreamDefaultControllerProcessClose, writableStreamInternalsWritableStreamDefaultControllerProcessClose, 1) \
-    macro(writableStreamDefaultControllerProcessWrite, writableStreamInternalsWritableStreamDefaultControllerProcessWrite, 2) \
-    macro(writableStreamDefaultControllerWrite, writableStreamInternalsWritableStreamDefaultControllerWrite, 3) \
-
-#define WEBCORE_FOREACH_BUILTIN_CODE(macro) \
-    macro(writableStreamDefaultWriterAbortCode, abort, ASCIILiteral(), s_writableStreamDefaultWriterAbortCodeLength) \
-    macro(readableStreamInternalsAcquireReadableStreamDefaultReaderCode, acquireReadableStreamDefaultReader, ASCIILiteral(), s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeLength) \
-    macro(writableStreamInternalsAcquireWritableStreamDefaultWriterCode, acquireWritableStreamDefaultWriter, ASCIILiteral(), s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeLength) \
-    macro(jsBufferPrototypeAsciiSliceCode, asciiSlice, ASCIILiteral(), s_jsBufferPrototypeAsciiSliceCodeLength) \
-    macro(jsBufferPrototypeAsciiWriteCode, asciiWrite, ASCIILiteral(), s_jsBufferPrototypeAsciiWriteCodeLength) \
-    macro(readableStreamInternalsAssignDirectStreamCode, assignDirectStream, ASCIILiteral(), s_readableStreamInternalsAssignDirectStreamCodeLength) \
-    macro(jsBufferPrototypeBase64SliceCode, base64Slice, ASCIILiteral(), s_jsBufferPrototypeBase64SliceCodeLength) \
-    macro(jsBufferPrototypeBase64WriteCode, base64Write, ASCIILiteral(), s_jsBufferPrototypeBase64WriteCodeLength) \
-    macro(jsBufferPrototypeBase64urlSliceCode, base64urlSlice, ASCIILiteral(), s_jsBufferPrototypeBase64urlSliceCodeLength) \
-    macro(jsBufferPrototypeBase64urlWriteCode, base64urlWrite, ASCIILiteral(), s_jsBufferPrototypeBase64urlWriteCodeLength) \
-    macro(readableByteStreamControllerByobRequestCode, byobRequest, "get byobRequest"_s, s_readableByteStreamControllerByobRequestCodeLength) \
-    macro(readableStreamCancelCode, cancel, ASCIILiteral(), s_readableStreamCancelCodeLength) \
-    macro(readableStreamBYOBReaderCancelCode, cancel, ASCIILiteral(), s_readableStreamBYOBReaderCancelCodeLength) \
-    macro(readableStreamDefaultReaderCancelCode, cancel, ASCIILiteral(), s_readableStreamDefaultReaderCancelCodeLength) \
-    macro(readableByteStreamControllerCloseCode, close, ASCIILiteral(), s_readableByteStreamControllerCloseCodeLength) \
-    macro(readableStreamDefaultControllerCloseCode, close, ASCIILiteral(), s_readableStreamDefaultControllerCloseCodeLength) \
-    macro(writableStreamDefaultWriterCloseCode, close, ASCIILiteral(), s_writableStreamDefaultWriterCloseCodeLength) \
-    macro(readableStreamBYOBReaderClosedCode, closed, "get closed"_s, s_readableStreamBYOBReaderClosedCodeLength) \
-    macro(readableStreamDefaultReaderClosedCode, closed, "get closed"_s, s_readableStreamDefaultReaderClosedCodeLength) \
-    macro(writableStreamDefaultWriterClosedCode, closed, "get closed"_s, s_writableStreamDefaultWriterClosedCodeLength) \
-    macro(readableStreamConsumeReadableStreamCode, consumeReadableStream, ASCIILiteral(), s_readableStreamConsumeReadableStreamCodeLength) \
-    macro(readableStreamCreateEmptyReadableStreamCode, createEmptyReadableStream, ASCIILiteral(), s_readableStreamCreateEmptyReadableStreamCodeLength) \
-    macro(streamInternalsCreateFIFOCode, createFIFO, ASCIILiteral(), s_streamInternalsCreateFIFOCodeLength) \
-    macro(streamInternalsCreateFulfilledPromiseCode, createFulfilledPromise, ASCIILiteral(), s_streamInternalsCreateFulfilledPromiseCodeLength) \
-    macro(writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCode, createInternalWritableStreamFromUnderlyingSink, ASCIILiteral(), s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeLength) \
-    macro(readableStreamCreateNativeReadableStreamCode, createNativeReadableStream, ASCIILiteral(), s_readableStreamCreateNativeReadableStreamCodeLength) \
-    macro(readableStreamInternalsCreateReadableStreamControllerCode, createReadableStreamController, ASCIILiteral(), s_readableStreamInternalsCreateReadableStreamControllerCodeLength) \
-    macro(transformStreamInternalsCreateTransformStreamCode, createTransformStream, ASCIILiteral(), s_transformStreamInternalsCreateTransformStreamCodeLength) \
-    macro(writableStreamInternalsCreateWritableStreamCode, createWritableStream, ASCIILiteral(), s_writableStreamInternalsCreateWritableStreamCodeLength) \
-    macro(streamInternalsDequeueValueCode, dequeueValue, ASCIILiteral(), s_streamInternalsDequeueValueCodeLength) \
-    macro(readableByteStreamControllerDesiredSizeCode, desiredSize, "get desiredSize"_s, s_readableByteStreamControllerDesiredSizeCodeLength) \
-    macro(readableStreamDefaultControllerDesiredSizeCode, desiredSize, "get desiredSize"_s, s_readableStreamDefaultControllerDesiredSizeCodeLength) \
-    macro(transformStreamDefaultControllerDesiredSizeCode, desiredSize, "get desiredSize"_s, s_transformStreamDefaultControllerDesiredSizeCodeLength) \
-    macro(writableStreamDefaultWriterDesiredSizeCode, desiredSize, "get desiredSize"_s, s_writableStreamDefaultWriterDesiredSizeCodeLength) \
-    macro(readableByteStreamControllerEnqueueCode, enqueue, ASCIILiteral(), s_readableByteStreamControllerEnqueueCodeLength) \
-    macro(readableStreamDefaultControllerEnqueueCode, enqueue, ASCIILiteral(), s_readableStreamDefaultControllerEnqueueCodeLength) \
-    macro(transformStreamDefaultControllerEnqueueCode, enqueue, ASCIILiteral(), s_transformStreamDefaultControllerEnqueueCodeLength) \
-    macro(streamInternalsEnqueueValueWithSizeCode, enqueueValueWithSize, ASCIILiteral(), s_streamInternalsEnqueueValueWithSizeCodeLength) \
-    macro(readableByteStreamControllerErrorCode, error, ASCIILiteral(), s_readableByteStreamControllerErrorCodeLength) \
-    macro(readableStreamDefaultControllerErrorCode, error, ASCIILiteral(), s_readableStreamDefaultControllerErrorCodeLength) \
-    macro(transformStreamDefaultControllerErrorCode, error, ASCIILiteral(), s_transformStreamDefaultControllerErrorCodeLength) \
-    macro(writableStreamDefaultControllerErrorCode, error, ASCIILiteral(), s_writableStreamDefaultControllerErrorCodeLength) \
-    macro(streamInternalsExtractHighWaterMarkCode, extractHighWaterMark, ASCIILiteral(), s_streamInternalsExtractHighWaterMarkCodeLength) \
-    macro(streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCode, extractHighWaterMarkFromQueuingStrategyInit, ASCIILiteral(), s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeLength) \
-    macro(streamInternalsExtractSizeAlgorithmCode, extractSizeAlgorithm, ASCIILiteral(), s_streamInternalsExtractSizeAlgorithmCodeLength) \
-    macro(jsBufferConstructorFromCode, from, ASCIILiteral(), s_jsBufferConstructorFromCodeLength) \
-    macro(readableStreamGetReaderCode, getReader, ASCIILiteral(), s_readableStreamGetReaderCodeLength) \
-    macro(readableStreamInternalsHandleDirectStreamErrorCode, handleDirectStreamError, ASCIILiteral(), s_readableStreamInternalsHandleDirectStreamErrorCodeLength) \
-    macro(readableStreamInternalsHandleDirectStreamErrorRejectCode, handleDirectStreamErrorReject, ASCIILiteral(), s_readableStreamInternalsHandleDirectStreamErrorRejectCodeLength) \
-    macro(jsBufferPrototypeHexSliceCode, hexSlice, ASCIILiteral(), s_jsBufferPrototypeHexSliceCodeLength) \
-    macro(jsBufferPrototypeHexWriteCode, hexWrite, ASCIILiteral(), s_jsBufferPrototypeHexWriteCodeLength) \
-    macro(byteLengthQueuingStrategyHighWaterMarkCode, highWaterMark, "get highWaterMark"_s, s_byteLengthQueuingStrategyHighWaterMarkCodeLength) \
-    macro(countQueuingStrategyHighWaterMarkCode, highWaterMark, "get highWaterMark"_s, s_countQueuingStrategyHighWaterMarkCodeLength) \
-    macro(readableStreamInternalsInitializeArrayBufferStreamCode, initializeArrayBufferStream, ASCIILiteral(), s_readableStreamInternalsInitializeArrayBufferStreamCodeLength) \
-    macro(jsBufferPrototypeInitializeBunBufferCode, initializeBunBuffer, ASCIILiteral(), s_jsBufferPrototypeInitializeBunBufferCodeLength) \
-    macro(byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCode, initializeByteLengthQueuingStrategy, ASCIILiteral(), s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeLength) \
-    macro(countQueuingStrategyInitializeCountQueuingStrategyCode, initializeCountQueuingStrategy, ASCIILiteral(), s_countQueuingStrategyInitializeCountQueuingStrategyCodeLength) \
-    macro(readableByteStreamControllerInitializeReadableByteStreamControllerCode, initializeReadableByteStreamController, ASCIILiteral(), s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeLength) \
-    macro(readableStreamInitializeReadableStreamCode, initializeReadableStream, ASCIILiteral(), s_readableStreamInitializeReadableStreamCodeLength) \
-    macro(readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCode, initializeReadableStreamBYOBReader, ASCIILiteral(), s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeLength) \
-    macro(readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCode, initializeReadableStreamBYOBRequest, ASCIILiteral(), s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeLength) \
-    macro(readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCode, initializeReadableStreamDefaultController, ASCIILiteral(), s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeLength) \
-    macro(readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCode, initializeReadableStreamDefaultReader, ASCIILiteral(), s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeLength) \
-    macro(transformStreamInitializeTransformStreamCode, initializeTransformStream, ASCIILiteral(), s_transformStreamInitializeTransformStreamCodeLength) \
-    macro(transformStreamInternalsInitializeTransformStreamCode, initializeTransformStream, ASCIILiteral(), s_transformStreamInternalsInitializeTransformStreamCodeLength) \
-    macro(transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCode, initializeTransformStreamDefaultController, ASCIILiteral(), s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeLength) \
-    macro(writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCode, initializeWritableStreamDefaultController, ASCIILiteral(), s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeLength) \
-    macro(writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCode, initializeWritableStreamDefaultWriter, ASCIILiteral(), s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeLength) \
-    macro(writableStreamInternalsInitializeWritableStreamSlotsCode, initializeWritableStreamSlots, ASCIILiteral(), s_writableStreamInternalsInitializeWritableStreamSlotsCodeLength) \
-    macro(writableStreamInternalsIsCloseSentinelCode, isCloseSentinel, ASCIILiteral(), s_writableStreamInternalsIsCloseSentinelCodeLength) \
-    macro(readableByteStreamInternalsIsReadableByteStreamControllerCode, isReadableByteStreamController, ASCIILiteral(), s_readableByteStreamInternalsIsReadableByteStreamControllerCodeLength) \
-    macro(readableStreamInternalsIsReadableStreamCode, isReadableStream, ASCIILiteral(), s_readableStreamInternalsIsReadableStreamCodeLength) \
-    macro(readableByteStreamInternalsIsReadableStreamBYOBReaderCode, isReadableStreamBYOBReader, ASCIILiteral(), s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeLength) \
-    macro(readableByteStreamInternalsIsReadableStreamBYOBRequestCode, isReadableStreamBYOBRequest, ASCIILiteral(), s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeLength) \
-    macro(readableStreamInternalsIsReadableStreamDefaultControllerCode, isReadableStreamDefaultController, ASCIILiteral(), s_readableStreamInternalsIsReadableStreamDefaultControllerCodeLength) \
-    macro(readableStreamInternalsIsReadableStreamDefaultReaderCode, isReadableStreamDefaultReader, ASCIILiteral(), s_readableStreamInternalsIsReadableStreamDefaultReaderCodeLength) \
-    macro(readableStreamInternalsIsReadableStreamDisturbedCode, isReadableStreamDisturbed, ASCIILiteral(), s_readableStreamInternalsIsReadableStreamDisturbedCodeLength) \
-    macro(readableStreamInternalsIsReadableStreamLockedCode, isReadableStreamLocked, ASCIILiteral(), s_readableStreamInternalsIsReadableStreamLockedCodeLength) \
-    macro(transformStreamInternalsIsTransformStreamCode, isTransformStream, ASCIILiteral(), s_transformStreamInternalsIsTransformStreamCodeLength) \
-    macro(transformStreamInternalsIsTransformStreamDefaultControllerCode, isTransformStreamDefaultController, ASCIILiteral(), s_transformStreamInternalsIsTransformStreamDefaultControllerCodeLength) \
-    macro(writableStreamInternalsIsWritableStreamCode, isWritableStream, ASCIILiteral(), s_writableStreamInternalsIsWritableStreamCodeLength) \
-    macro(writableStreamInternalsIsWritableStreamDefaultWriterCode, isWritableStreamDefaultWriter, ASCIILiteral(), s_writableStreamInternalsIsWritableStreamDefaultWriterCodeLength) \
-    macro(writableStreamInternalsIsWritableStreamLockedCode, isWritableStreamLocked, ASCIILiteral(), s_writableStreamInternalsIsWritableStreamLockedCodeLength) \
-    macro(jsBufferPrototypeLatin1SliceCode, latin1Slice, ASCIILiteral(), s_jsBufferPrototypeLatin1SliceCodeLength) \
-    macro(jsBufferPrototypeLatin1WriteCode, latin1Write, ASCIILiteral(), s_jsBufferPrototypeLatin1WriteCodeLength) \
-    macro(readableStreamInternalsLazyLoadStreamCode, lazyLoadStream, ASCIILiteral(), s_readableStreamInternalsLazyLoadStreamCodeLength) \
-    macro(readableStreamLockedCode, locked, "get locked"_s, s_readableStreamLockedCodeLength) \
-    macro(streamInternalsMarkPromiseAsHandledCode, markPromiseAsHandled, ASCIILiteral(), s_streamInternalsMarkPromiseAsHandledCodeLength) \
-    macro(streamInternalsNewQueueCode, newQueue, ASCIILiteral(), s_streamInternalsNewQueueCodeLength) \
-    macro(readableStreamInternalsNoopDoneFunctionCode, noopDoneFunction, ASCIILiteral(), s_readableStreamInternalsNoopDoneFunctionCodeLength) \
-    macro(readableStreamInternalsOnCloseDirectStreamCode, onCloseDirectStream, ASCIILiteral(), s_readableStreamInternalsOnCloseDirectStreamCodeLength) \
-    macro(readableStreamInternalsOnDrainDirectStreamCode, onDrainDirectStream, ASCIILiteral(), s_readableStreamInternalsOnDrainDirectStreamCodeLength) \
-    macro(readableStreamInternalsOnPullDirectStreamCode, onPullDirectStream, ASCIILiteral(), s_readableStreamInternalsOnPullDirectStreamCodeLength) \
-    macro(readableStreamInternalsOnReadableStreamDirectControllerClosedCode, onReadableStreamDirectControllerClosed, ASCIILiteral(), s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeLength) \
-    macro(streamInternalsPeekQueueValueCode, peekQueueValue, ASCIILiteral(), s_streamInternalsPeekQueueValueCodeLength) \
-    macro(readableStreamPipeThroughCode, pipeThrough, ASCIILiteral(), s_readableStreamPipeThroughCodeLength) \
-    macro(readableStreamPipeToCode, pipeTo, ASCIILiteral(), s_readableStreamPipeToCodeLength) \
-    macro(readableStreamInternalsPipeToClosingMustBePropagatedBackwardCode, pipeToClosingMustBePropagatedBackward, ASCIILiteral(), s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeLength) \
-    macro(readableStreamInternalsPipeToClosingMustBePropagatedForwardCode, pipeToClosingMustBePropagatedForward, ASCIILiteral(), s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeLength) \
-    macro(readableStreamInternalsPipeToDoReadWriteCode, pipeToDoReadWrite, ASCIILiteral(), s_readableStreamInternalsPipeToDoReadWriteCodeLength) \
-    macro(readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCode, pipeToErrorsMustBePropagatedBackward, ASCIILiteral(), s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeLength) \
-    macro(readableStreamInternalsPipeToErrorsMustBePropagatedForwardCode, pipeToErrorsMustBePropagatedForward, ASCIILiteral(), s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeLength) \
-    macro(readableStreamInternalsPipeToFinalizeCode, pipeToFinalize, ASCIILiteral(), s_readableStreamInternalsPipeToFinalizeCodeLength) \
-    macro(readableStreamInternalsPipeToLoopCode, pipeToLoop, ASCIILiteral(), s_readableStreamInternalsPipeToLoopCodeLength) \
-    macro(readableStreamInternalsPipeToShutdownCode, pipeToShutdown, ASCIILiteral(), s_readableStreamInternalsPipeToShutdownCodeLength) \
-    macro(readableStreamInternalsPipeToShutdownWithActionCode, pipeToShutdownWithAction, ASCIILiteral(), s_readableStreamInternalsPipeToShutdownWithActionCodeLength) \
-    macro(readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCode, privateInitializeReadableByteStreamController, ASCIILiteral(), s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeLength) \
-    macro(readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCode, privateInitializeReadableStreamBYOBRequest, ASCIILiteral(), s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeLength) \
-    macro(readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCode, privateInitializeReadableStreamDefaultController, ASCIILiteral(), s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeLength) \
-    macro(streamInternalsPromiseInvokeOrFallbackOrNoopCode, promiseInvokeOrFallbackOrNoop, ASCIILiteral(), s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeLength) \
-    macro(streamInternalsPromiseInvokeOrNoopCode, promiseInvokeOrNoop, ASCIILiteral(), s_streamInternalsPromiseInvokeOrNoopCodeLength) \
-    macro(streamInternalsPromiseInvokeOrNoopMethodCode, promiseInvokeOrNoopMethod, ASCIILiteral(), s_streamInternalsPromiseInvokeOrNoopMethodCodeLength) \
-    macro(streamInternalsPromiseInvokeOrNoopMethodNoCatchCode, promiseInvokeOrNoopMethodNoCatch, ASCIILiteral(), s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeLength) \
-    macro(streamInternalsPromiseInvokeOrNoopNoCatchCode, promiseInvokeOrNoopNoCatch, ASCIILiteral(), s_streamInternalsPromiseInvokeOrNoopNoCatchCodeLength) \
-    macro(readableStreamBYOBReaderReadCode, read, ASCIILiteral(), s_readableStreamBYOBReaderReadCodeLength) \
-    macro(readableStreamDefaultReaderReadCode, read, ASCIILiteral(), s_readableStreamDefaultReaderReadCodeLength) \
-    macro(jsBufferPrototypeReadBigInt64BECode, readBigInt64BE, ASCIILiteral(), s_jsBufferPrototypeReadBigInt64BECodeLength) \
-    macro(jsBufferPrototypeReadBigInt64LECode, readBigInt64LE, ASCIILiteral(), s_jsBufferPrototypeReadBigInt64LECodeLength) \
-    macro(jsBufferPrototypeReadBigUInt64BECode, readBigUInt64BE, ASCIILiteral(), s_jsBufferPrototypeReadBigUInt64BECodeLength) \
-    macro(jsBufferPrototypeReadBigUInt64LECode, readBigUInt64LE, ASCIILiteral(), s_jsBufferPrototypeReadBigUInt64LECodeLength) \
-    macro(jsBufferPrototypeReadDoubleBECode, readDoubleBE, ASCIILiteral(), s_jsBufferPrototypeReadDoubleBECodeLength) \
-    macro(jsBufferPrototypeReadDoubleLECode, readDoubleLE, ASCIILiteral(), s_jsBufferPrototypeReadDoubleLECodeLength) \
-    macro(jsBufferPrototypeReadFloatBECode, readFloatBE, ASCIILiteral(), s_jsBufferPrototypeReadFloatBECodeLength) \
-    macro(jsBufferPrototypeReadFloatLECode, readFloatLE, ASCIILiteral(), s_jsBufferPrototypeReadFloatLECodeLength) \
-    macro(jsBufferPrototypeReadInt16BECode, readInt16BE, ASCIILiteral(), s_jsBufferPrototypeReadInt16BECodeLength) \
-    macro(jsBufferPrototypeReadInt16LECode, readInt16LE, ASCIILiteral(), s_jsBufferPrototypeReadInt16LECodeLength) \
-    macro(jsBufferPrototypeReadInt32BECode, readInt32BE, ASCIILiteral(), s_jsBufferPrototypeReadInt32BECodeLength) \
-    macro(jsBufferPrototypeReadInt32LECode, readInt32LE, ASCIILiteral(), s_jsBufferPrototypeReadInt32LECodeLength) \
-    macro(jsBufferPrototypeReadInt8Code, readInt8, ASCIILiteral(), s_jsBufferPrototypeReadInt8CodeLength) \
-    macro(readableStreamDefaultReaderReadManyCode, readMany, ASCIILiteral(), s_readableStreamDefaultReaderReadManyCodeLength) \
-    macro(jsBufferPrototypeReadUInt16BECode, readUInt16BE, ASCIILiteral(), s_jsBufferPrototypeReadUInt16BECodeLength) \
-    macro(jsBufferPrototypeReadUInt16LECode, readUInt16LE, ASCIILiteral(), s_jsBufferPrototypeReadUInt16LECodeLength) \
-    macro(jsBufferPrototypeReadUInt32BECode, readUInt32BE, ASCIILiteral(), s_jsBufferPrototypeReadUInt32BECodeLength) \
-    macro(jsBufferPrototypeReadUInt32LECode, readUInt32LE, ASCIILiteral(), s_jsBufferPrototypeReadUInt32LECodeLength) \
-    macro(jsBufferPrototypeReadUInt8Code, readUInt8, ASCIILiteral(), s_jsBufferPrototypeReadUInt8CodeLength) \
-    macro(transformStreamReadableCode, readable, "get readable"_s, s_transformStreamReadableCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCode, readableByteStreamControllerCallPullIfNeeded, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerCancelCode, readableByteStreamControllerCancel, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCode, readableByteStreamControllerClearPendingPullIntos, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerCloseCode, readableByteStreamControllerClose, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCode, readableByteStreamControllerCommitDescriptor, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCode, readableByteStreamControllerConvertDescriptor, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerEnqueueCode, readableByteStreamControllerEnqueue, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCode, readableByteStreamControllerEnqueueChunk, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerErrorCode, readableByteStreamControllerError, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCode, readableByteStreamControllerFillDescriptorFromQueue, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCode, readableByteStreamControllerGetDesiredSize, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCode, readableByteStreamControllerHandleQueueDrain, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCode, readableByteStreamControllerInvalidateBYOBRequest, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCode, readableByteStreamControllerProcessPullDescriptors, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerPullCode, readableByteStreamControllerPull, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerPullCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerPullIntoCode, readableByteStreamControllerPullInto, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerRespondCode, readableByteStreamControllerRespond, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCode, readableByteStreamControllerRespondInClosedState, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCode, readableByteStreamControllerRespondInReadableState, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerRespondInternalCode, readableByteStreamControllerRespondInternal, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCode, readableByteStreamControllerRespondWithNewView, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCode, readableByteStreamControllerShiftPendingDescriptor, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeLength) \
-    macro(readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCode, readableByteStreamControllerShouldCallPull, ASCIILiteral(), s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeLength) \
-    macro(readableByteStreamInternalsReadableStreamAddReadIntoRequestCode, readableStreamAddReadIntoRequest, ASCIILiteral(), s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeLength) \
-    macro(readableStreamInternalsReadableStreamAddReadRequestCode, readableStreamAddReadRequest, ASCIILiteral(), s_readableStreamInternalsReadableStreamAddReadRequestCodeLength) \
-    macro(readableByteStreamInternalsReadableStreamBYOBReaderReadCode, readableStreamBYOBReaderRead, ASCIILiteral(), s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeLength) \
-    macro(readableByteStreamInternalsReadableStreamByteStreamControllerStartCode, readableStreamByteStreamControllerStart, ASCIILiteral(), s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeLength) \
-    macro(readableStreamInternalsReadableStreamCancelCode, readableStreamCancel, ASCIILiteral(), s_readableStreamInternalsReadableStreamCancelCodeLength) \
-    macro(readableStreamInternalsReadableStreamCloseCode, readableStreamClose, ASCIILiteral(), s_readableStreamInternalsReadableStreamCloseCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCode, readableStreamDefaultControllerCallPullIfNeeded, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCode, readableStreamDefaultControllerCanCloseOrEnqueue, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerCancelCode, readableStreamDefaultControllerCancel, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerCloseCode, readableStreamDefaultControllerClose, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerEnqueueCode, readableStreamDefaultControllerEnqueue, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerErrorCode, readableStreamDefaultControllerError, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCode, readableStreamDefaultControllerGetDesiredSize, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerPullCode, readableStreamDefaultControllerPull, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerPullCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCode, readableStreamDefaultControllerShouldCallPull, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultControllerStartCode, readableStreamDefaultControllerStart, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultControllerStartCodeLength) \
-    macro(readableStreamInternalsReadableStreamDefaultReaderReadCode, readableStreamDefaultReaderRead, ASCIILiteral(), s_readableStreamInternalsReadableStreamDefaultReaderReadCodeLength) \
-    macro(readableStreamInternalsReadableStreamErrorCode, readableStreamError, ASCIILiteral(), s_readableStreamInternalsReadableStreamErrorCodeLength) \
-    macro(readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCode, readableStreamFulfillReadIntoRequest, ASCIILiteral(), s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeLength) \
-    macro(readableStreamInternalsReadableStreamFulfillReadRequestCode, readableStreamFulfillReadRequest, ASCIILiteral(), s_readableStreamInternalsReadableStreamFulfillReadRequestCodeLength) \
-    macro(readableByteStreamInternalsReadableStreamHasBYOBReaderCode, readableStreamHasBYOBReader, ASCIILiteral(), s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeLength) \
-    macro(readableByteStreamInternalsReadableStreamHasDefaultReaderCode, readableStreamHasDefaultReader, ASCIILiteral(), s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeLength) \
-    macro(readableStreamInternalsReadableStreamPipeToCode, readableStreamPipeTo, ASCIILiteral(), s_readableStreamInternalsReadableStreamPipeToCodeLength) \
-    macro(readableStreamInternalsReadableStreamPipeToWritableStreamCode, readableStreamPipeToWritableStream, ASCIILiteral(), s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeLength) \
-    macro(readableStreamInternalsReadableStreamReaderGenericCancelCode, readableStreamReaderGenericCancel, ASCIILiteral(), s_readableStreamInternalsReadableStreamReaderGenericCancelCodeLength) \
-    macro(readableStreamInternalsReadableStreamReaderGenericInitializeCode, readableStreamReaderGenericInitialize, ASCIILiteral(), s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeLength) \
-    macro(readableStreamInternalsReadableStreamReaderGenericReleaseCode, readableStreamReaderGenericRelease, ASCIILiteral(), s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeLength) \
-    macro(readableByteStreamInternalsReadableStreamReaderKindCode, readableStreamReaderKind, ASCIILiteral(), s_readableByteStreamInternalsReadableStreamReaderKindCodeLength) \
-    macro(readableStreamInternalsReadableStreamTeeCode, readableStreamTee, ASCIILiteral(), s_readableStreamInternalsReadableStreamTeeCodeLength) \
-    macro(readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCode, readableStreamTeeBranch1CancelFunction, ASCIILiteral(), s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeLength) \
-    macro(readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCode, readableStreamTeeBranch2CancelFunction, ASCIILiteral(), s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeLength) \
-    macro(readableStreamInternalsReadableStreamTeePullFunctionCode, readableStreamTeePullFunction, ASCIILiteral(), s_readableStreamInternalsReadableStreamTeePullFunctionCodeLength) \
-    macro(readableStreamReadableStreamToArrayCode, readableStreamToArray, ASCIILiteral(), s_readableStreamReadableStreamToArrayCodeLength) \
-    macro(readableStreamReadableStreamToArrayPublicCode, readableStreamToArrayPublic, ASCIILiteral(), s_readableStreamReadableStreamToArrayPublicCodeLength) \
-    macro(readableStreamReadableStreamToBlobCode, readableStreamToBlob, ASCIILiteral(), s_readableStreamReadableStreamToBlobCodeLength) \
-    macro(readableStreamReadableStreamToJSONCode, readableStreamToJSON, ASCIILiteral(), s_readableStreamReadableStreamToJSONCodeLength) \
-    macro(readableStreamReadableStreamToTextCode, readableStreamToText, ASCIILiteral(), s_readableStreamReadableStreamToTextCodeLength) \
-    macro(writableStreamDefaultWriterReadyCode, ready, "get ready"_s, s_writableStreamDefaultWriterReadyCodeLength) \
-    macro(readableStreamBYOBReaderReleaseLockCode, releaseLock, ASCIILiteral(), s_readableStreamBYOBReaderReleaseLockCodeLength) \
-    macro(readableStreamDefaultReaderReleaseLockCode, releaseLock, ASCIILiteral(), s_readableStreamDefaultReaderReleaseLockCodeLength) \
-    macro(writableStreamDefaultWriterReleaseLockCode, releaseLock, ASCIILiteral(), s_writableStreamDefaultWriterReleaseLockCodeLength) \
-    macro(jsZigGlobalObjectRequireCode, require, ASCIILiteral(), s_jsZigGlobalObjectRequireCodeLength) \
-    macro(streamInternalsResetQueueCode, resetQueue, ASCIILiteral(), s_streamInternalsResetQueueCodeLength) \
-    macro(readableStreamBYOBRequestRespondCode, respond, ASCIILiteral(), s_readableStreamBYOBRequestRespondCodeLength) \
-    macro(readableStreamBYOBRequestRespondWithNewViewCode, respondWithNewView, ASCIILiteral(), s_readableStreamBYOBRequestRespondWithNewViewCodeLength) \
-    macro(jsBufferPrototypeSetBigUint64Code, setBigUint64, ASCIILiteral(), s_jsBufferPrototypeSetBigUint64CodeLength) \
-    macro(transformStreamInternalsSetUpTransformStreamDefaultControllerCode, setUpTransformStreamDefaultController, ASCIILiteral(), s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeLength) \
-    macro(transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCode, setUpTransformStreamDefaultControllerFromTransformer, ASCIILiteral(), s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeLength) \
-    macro(writableStreamInternalsSetUpWritableStreamDefaultControllerCode, setUpWritableStreamDefaultController, ASCIILiteral(), s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeLength) \
-    macro(writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCode, setUpWritableStreamDefaultControllerFromUnderlyingSink, ASCIILiteral(), s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeLength) \
-    macro(writableStreamInternalsSetUpWritableStreamDefaultWriterCode, setUpWritableStreamDefaultWriter, ASCIILiteral(), s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeLength) \
-    macro(readableStreamInternalsSetupReadableStreamDefaultControllerCode, setupReadableStreamDefaultController, ASCIILiteral(), s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeLength) \
-    macro(streamInternalsShieldingPromiseResolveCode, shieldingPromiseResolve, ASCIILiteral(), s_streamInternalsShieldingPromiseResolveCodeLength) \
-    macro(byteLengthQueuingStrategySizeCode, size, ASCIILiteral(), s_byteLengthQueuingStrategySizeCodeLength) \
-    macro(countQueuingStrategySizeCode, size, ASCIILiteral(), s_countQueuingStrategySizeCodeLength) \
-    macro(jsBufferPrototypeSliceCode, slice, ASCIILiteral(), s_jsBufferPrototypeSliceCodeLength) \
-    macro(jsBufferPrototypeSubarrayCode, subarray, ASCIILiteral(), s_jsBufferPrototypeSubarrayCodeLength) \
-    macro(readableStreamTeeCode, tee, ASCIILiteral(), s_readableStreamTeeCodeLength) \
-    macro(transformStreamDefaultControllerTerminateCode, terminate, ASCIILiteral(), s_transformStreamDefaultControllerTerminateCodeLength) \
-    macro(streamInternalsToDictionaryCode, toDictionary, ASCIILiteral(), s_streamInternalsToDictionaryCodeLength) \
-    macro(jsBufferPrototypeToJSONCode, toJSON, ASCIILiteral(), s_jsBufferPrototypeToJSONCodeLength) \
-    macro(readableByteStreamInternalsTransferBufferToCurrentRealmCode, transferBufferToCurrentRealm, ASCIILiteral(), s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCode, transformStreamDefaultControllerClearAlgorithms, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultControllerEnqueueCode, transformStreamDefaultControllerEnqueue, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultControllerErrorCode, transformStreamDefaultControllerError, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultControllerPerformTransformCode, transformStreamDefaultControllerPerformTransform, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultControllerTerminateCode, transformStreamDefaultControllerTerminate, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCode, transformStreamDefaultSinkAbortAlgorithm, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCode, transformStreamDefaultSinkCloseAlgorithm, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCode, transformStreamDefaultSinkWriteAlgorithm, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeLength) \
-    macro(transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCode, transformStreamDefaultSourcePullAlgorithm, ASCIILiteral(), s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeLength) \
-    macro(transformStreamInternalsTransformStreamErrorCode, transformStreamError, ASCIILiteral(), s_transformStreamInternalsTransformStreamErrorCodeLength) \
-    macro(transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCode, transformStreamErrorWritableAndUnblockWrite, ASCIILiteral(), s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeLength) \
-    macro(transformStreamInternalsTransformStreamSetBackpressureCode, transformStreamSetBackpressure, ASCIILiteral(), s_transformStreamInternalsTransformStreamSetBackpressureCodeLength) \
-    macro(jsBufferPrototypeUcs2SliceCode, ucs2Slice, ASCIILiteral(), s_jsBufferPrototypeUcs2SliceCodeLength) \
-    macro(jsBufferPrototypeUcs2WriteCode, ucs2Write, ASCIILiteral(), s_jsBufferPrototypeUcs2WriteCodeLength) \
-    macro(jsBufferPrototypeUtf16leSliceCode, utf16leSlice, ASCIILiteral(), s_jsBufferPrototypeUtf16leSliceCodeLength) \
-    macro(jsBufferPrototypeUtf16leWriteCode, utf16leWrite, ASCIILiteral(), s_jsBufferPrototypeUtf16leWriteCodeLength) \
-    macro(jsBufferPrototypeUtf8SliceCode, utf8Slice, ASCIILiteral(), s_jsBufferPrototypeUtf8SliceCodeLength) \
-    macro(jsBufferPrototypeUtf8WriteCode, utf8Write, ASCIILiteral(), s_jsBufferPrototypeUtf8WriteCodeLength) \
-    macro(streamInternalsValidateAndNormalizeQueuingStrategyCode, validateAndNormalizeQueuingStrategy, ASCIILiteral(), s_streamInternalsValidateAndNormalizeQueuingStrategyCodeLength) \
-    macro(readableStreamBYOBRequestViewCode, view, "get view"_s, s_readableStreamBYOBRequestViewCodeLength) \
-    macro(transformStreamWritableCode, writable, ASCIILiteral(), s_transformStreamWritableCodeLength) \
-    macro(writableStreamInternalsWritableStreamAbortCode, writableStreamAbort, ASCIILiteral(), s_writableStreamInternalsWritableStreamAbortCodeLength) \
-    macro(writableStreamInternalsWritableStreamAbortForBindingsCode, writableStreamAbortForBindings, ASCIILiteral(), s_writableStreamInternalsWritableStreamAbortForBindingsCodeLength) \
-    macro(writableStreamInternalsWritableStreamAddWriteRequestCode, writableStreamAddWriteRequest, ASCIILiteral(), s_writableStreamInternalsWritableStreamAddWriteRequestCodeLength) \
-    macro(writableStreamInternalsWritableStreamCloseCode, writableStreamClose, ASCIILiteral(), s_writableStreamInternalsWritableStreamCloseCodeLength) \
-    macro(writableStreamInternalsWritableStreamCloseForBindingsCode, writableStreamCloseForBindings, ASCIILiteral(), s_writableStreamInternalsWritableStreamCloseForBindingsCodeLength) \
-    macro(writableStreamInternalsWritableStreamCloseQueuedOrInFlightCode, writableStreamCloseQueuedOrInFlight, ASCIILiteral(), s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeLength) \
-    macro(writableStreamInternalsWritableStreamDealWithRejectionCode, writableStreamDealWithRejection, ASCIILiteral(), s_writableStreamInternalsWritableStreamDealWithRejectionCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCode, writableStreamDefaultControllerAdvanceQueueIfNeeded, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCode, writableStreamDefaultControllerClearAlgorithms, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerCloseCode, writableStreamDefaultControllerClose, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerErrorCode, writableStreamDefaultControllerError, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCode, writableStreamDefaultControllerErrorIfNeeded, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCode, writableStreamDefaultControllerGetBackpressure, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCode, writableStreamDefaultControllerGetChunkSize, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCode, writableStreamDefaultControllerGetDesiredSize, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerProcessCloseCode, writableStreamDefaultControllerProcessClose, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerProcessWriteCode, writableStreamDefaultControllerProcessWrite, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerStartCode, writableStreamDefaultControllerStart, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerStartCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultControllerWriteCode, writableStreamDefaultControllerWrite, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultWriterAbortCode, writableStreamDefaultWriterAbort, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultWriterCloseCode, writableStreamDefaultWriterClose, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCode, writableStreamDefaultWriterCloseWithErrorPropagation, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCode, writableStreamDefaultWriterEnsureClosedPromiseRejected, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCode, writableStreamDefaultWriterEnsureReadyPromiseRejected, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCode, writableStreamDefaultWriterGetDesiredSize, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultWriterReleaseCode, writableStreamDefaultWriterRelease, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeLength) \
-    macro(writableStreamInternalsWritableStreamDefaultWriterWriteCode, writableStreamDefaultWriterWrite, ASCIILiteral(), s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeLength) \
-    macro(writableStreamInternalsWritableStreamFinishErroringCode, writableStreamFinishErroring, ASCIILiteral(), s_writableStreamInternalsWritableStreamFinishErroringCodeLength) \
-    macro(writableStreamInternalsWritableStreamFinishInFlightCloseCode, writableStreamFinishInFlightClose, ASCIILiteral(), s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeLength) \
-    macro(writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCode, writableStreamFinishInFlightCloseWithError, ASCIILiteral(), s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeLength) \
-    macro(writableStreamInternalsWritableStreamFinishInFlightWriteCode, writableStreamFinishInFlightWrite, ASCIILiteral(), s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeLength) \
-    macro(writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCode, writableStreamFinishInFlightWriteWithError, ASCIILiteral(), s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeLength) \
-    macro(writableStreamInternalsWritableStreamHasOperationMarkedInFlightCode, writableStreamHasOperationMarkedInFlight, ASCIILiteral(), s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeLength) \
-    macro(writableStreamInternalsWritableStreamMarkCloseRequestInFlightCode, writableStreamMarkCloseRequestInFlight, ASCIILiteral(), s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeLength) \
-    macro(writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCode, writableStreamMarkFirstWriteRequestInFlight, ASCIILiteral(), s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeLength) \
-    macro(writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCode, writableStreamRejectCloseAndClosedPromiseIfNeeded, ASCIILiteral(), s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeLength) \
-    macro(writableStreamInternalsWritableStreamStartErroringCode, writableStreamStartErroring, ASCIILiteral(), s_writableStreamInternalsWritableStreamStartErroringCodeLength) \
-    macro(writableStreamInternalsWritableStreamUpdateBackpressureCode, writableStreamUpdateBackpressure, ASCIILiteral(), s_writableStreamInternalsWritableStreamUpdateBackpressureCodeLength) \
-    macro(writableStreamDefaultWriterWriteCode, write, ASCIILiteral(), s_writableStreamDefaultWriterWriteCodeLength) \
-    macro(jsBufferPrototypeWriteBigInt64BECode, writeBigInt64BE, ASCIILiteral(), s_jsBufferPrototypeWriteBigInt64BECodeLength) \
-    macro(jsBufferPrototypeWriteBigInt64LECode, writeBigInt64LE, ASCIILiteral(), s_jsBufferPrototypeWriteBigInt64LECodeLength) \
-    macro(jsBufferPrototypeWriteBigUInt64BECode, writeBigUInt64BE, ASCIILiteral(), s_jsBufferPrototypeWriteBigUInt64BECodeLength) \
-    macro(jsBufferPrototypeWriteBigUInt64LECode, writeBigUInt64LE, ASCIILiteral(), s_jsBufferPrototypeWriteBigUInt64LECodeLength) \
-    macro(jsBufferPrototypeWriteDoubleBECode, writeDoubleBE, ASCIILiteral(), s_jsBufferPrototypeWriteDoubleBECodeLength) \
-    macro(jsBufferPrototypeWriteDoubleLECode, writeDoubleLE, ASCIILiteral(), s_jsBufferPrototypeWriteDoubleLECodeLength) \
-    macro(jsBufferPrototypeWriteFloatBECode, writeFloatBE, ASCIILiteral(), s_jsBufferPrototypeWriteFloatBECodeLength) \
-    macro(jsBufferPrototypeWriteFloatLECode, writeFloatLE, ASCIILiteral(), s_jsBufferPrototypeWriteFloatLECodeLength) \
-    macro(jsBufferPrototypeWriteInt16BECode, writeInt16BE, ASCIILiteral(), s_jsBufferPrototypeWriteInt16BECodeLength) \
-    macro(jsBufferPrototypeWriteInt16LECode, writeInt16LE, ASCIILiteral(), s_jsBufferPrototypeWriteInt16LECodeLength) \
-    macro(jsBufferPrototypeWriteInt32BECode, writeInt32BE, ASCIILiteral(), s_jsBufferPrototypeWriteInt32BECodeLength) \
-    macro(jsBufferPrototypeWriteInt32LECode, writeInt32LE, ASCIILiteral(), s_jsBufferPrototypeWriteInt32LECodeLength) \
-    macro(jsBufferPrototypeWriteInt8Code, writeInt8, ASCIILiteral(), s_jsBufferPrototypeWriteInt8CodeLength) \
-    macro(jsBufferPrototypeWriteUInt16BECode, writeUInt16BE, ASCIILiteral(), s_jsBufferPrototypeWriteUInt16BECodeLength) \
-    macro(jsBufferPrototypeWriteUInt16LECode, writeUInt16LE, ASCIILiteral(), s_jsBufferPrototypeWriteUInt16LECodeLength) \
-    macro(jsBufferPrototypeWriteUInt32BECode, writeUInt32BE, ASCIILiteral(), s_jsBufferPrototypeWriteUInt32BECodeLength) \
-    macro(jsBufferPrototypeWriteUInt32LECode, writeUInt32LE, ASCIILiteral(), s_jsBufferPrototypeWriteUInt32LECodeLength) \
-    macro(jsBufferPrototypeWriteUInt8Code, writeUInt8, ASCIILiteral(), s_jsBufferPrototypeWriteUInt8CodeLength) \
-
-#define WEBCORE_FOREACH_BUILTIN_FUNCTION_NAME(macro) \
-    macro(abort) \
-    macro(acquireReadableStreamDefaultReader) \
-    macro(acquireWritableStreamDefaultWriter) \
-    macro(asciiSlice) \
-    macro(asciiWrite) \
-    macro(assignDirectStream) \
-    macro(base64Slice) \
-    macro(base64Write) \
-    macro(base64urlSlice) \
-    macro(base64urlWrite) \
-    macro(byobRequest) \
-    macro(cancel) \
-    macro(close) \
-    macro(closed) \
-    macro(consumeReadableStream) \
-    macro(createEmptyReadableStream) \
-    macro(createFIFO) \
-    macro(createFulfilledPromise) \
-    macro(createInternalWritableStreamFromUnderlyingSink) \
-    macro(createNativeReadableStream) \
-    macro(createReadableStreamController) \
-    macro(createTransformStream) \
-    macro(createWritableStream) \
-    macro(dequeueValue) \
-    macro(desiredSize) \
-    macro(enqueue) \
-    macro(enqueueValueWithSize) \
-    macro(error) \
-    macro(extractHighWaterMark) \
-    macro(extractHighWaterMarkFromQueuingStrategyInit) \
-    macro(extractSizeAlgorithm) \
-    macro(from) \
-    macro(getReader) \
-    macro(handleDirectStreamError) \
-    macro(handleDirectStreamErrorReject) \
-    macro(hexSlice) \
-    macro(hexWrite) \
-    macro(highWaterMark) \
-    macro(initializeArrayBufferStream) \
-    macro(initializeBunBuffer) \
-    macro(initializeByteLengthQueuingStrategy) \
-    macro(initializeCountQueuingStrategy) \
-    macro(initializeReadableByteStreamController) \
-    macro(initializeReadableStream) \
-    macro(initializeReadableStreamBYOBReader) \
-    macro(initializeReadableStreamBYOBRequest) \
-    macro(initializeReadableStreamDefaultController) \
-    macro(initializeReadableStreamDefaultReader) \
-    macro(initializeTransformStream) \
-    macro(initializeTransformStreamDefaultController) \
-    macro(initializeWritableStreamDefaultController) \
-    macro(initializeWritableStreamDefaultWriter) \
-    macro(initializeWritableStreamSlots) \
-    macro(isCloseSentinel) \
-    macro(isReadableByteStreamController) \
-    macro(isReadableStream) \
-    macro(isReadableStreamBYOBReader) \
-    macro(isReadableStreamBYOBRequest) \
-    macro(isReadableStreamDefaultController) \
-    macro(isReadableStreamDefaultReader) \
-    macro(isReadableStreamDisturbed) \
-    macro(isReadableStreamLocked) \
-    macro(isTransformStream) \
-    macro(isTransformStreamDefaultController) \
-    macro(isWritableStream) \
-    macro(isWritableStreamDefaultWriter) \
-    macro(isWritableStreamLocked) \
-    macro(latin1Slice) \
-    macro(latin1Write) \
-    macro(lazyLoadStream) \
-    macro(locked) \
-    macro(markPromiseAsHandled) \
-    macro(newQueue) \
-    macro(noopDoneFunction) \
-    macro(onCloseDirectStream) \
-    macro(onDrainDirectStream) \
-    macro(onPullDirectStream) \
-    macro(onReadableStreamDirectControllerClosed) \
-    macro(peekQueueValue) \
-    macro(pipeThrough) \
-    macro(pipeTo) \
-    macro(pipeToClosingMustBePropagatedBackward) \
-    macro(pipeToClosingMustBePropagatedForward) \
-    macro(pipeToDoReadWrite) \
-    macro(pipeToErrorsMustBePropagatedBackward) \
-    macro(pipeToErrorsMustBePropagatedForward) \
-    macro(pipeToFinalize) \
-    macro(pipeToLoop) \
-    macro(pipeToShutdown) \
-    macro(pipeToShutdownWithAction) \
-    macro(privateInitializeReadableByteStreamController) \
-    macro(privateInitializeReadableStreamBYOBRequest) \
-    macro(privateInitializeReadableStreamDefaultController) \
-    macro(promiseInvokeOrFallbackOrNoop) \
-    macro(promiseInvokeOrNoop) \
-    macro(promiseInvokeOrNoopMethod) \
-    macro(promiseInvokeOrNoopMethodNoCatch) \
-    macro(promiseInvokeOrNoopNoCatch) \
-    macro(read) \
-    macro(readBigInt64BE) \
-    macro(readBigInt64LE) \
-    macro(readBigUInt64BE) \
-    macro(readBigUInt64LE) \
-    macro(readDoubleBE) \
-    macro(readDoubleLE) \
-    macro(readFloatBE) \
-    macro(readFloatLE) \
-    macro(readInt16BE) \
-    macro(readInt16LE) \
-    macro(readInt32BE) \
-    macro(readInt32LE) \
-    macro(readInt8) \
-    macro(readMany) \
-    macro(readUInt16BE) \
-    macro(readUInt16LE) \
-    macro(readUInt32BE) \
-    macro(readUInt32LE) \
-    macro(readUInt8) \
-    macro(readable) \
-    macro(readableByteStreamControllerCallPullIfNeeded) \
-    macro(readableByteStreamControllerCancel) \
-    macro(readableByteStreamControllerClearPendingPullIntos) \
-    macro(readableByteStreamControllerClose) \
-    macro(readableByteStreamControllerCommitDescriptor) \
-    macro(readableByteStreamControllerConvertDescriptor) \
-    macro(readableByteStreamControllerEnqueue) \
-    macro(readableByteStreamControllerEnqueueChunk) \
-    macro(readableByteStreamControllerError) \
-    macro(readableByteStreamControllerFillDescriptorFromQueue) \
-    macro(readableByteStreamControllerGetDesiredSize) \
-    macro(readableByteStreamControllerHandleQueueDrain) \
-    macro(readableByteStreamControllerInvalidateBYOBRequest) \
-    macro(readableByteStreamControllerProcessPullDescriptors) \
-    macro(readableByteStreamControllerPull) \
-    macro(readableByteStreamControllerPullInto) \
-    macro(readableByteStreamControllerRespond) \
-    macro(readableByteStreamControllerRespondInClosedState) \
-    macro(readableByteStreamControllerRespondInReadableState) \
-    macro(readableByteStreamControllerRespondInternal) \
-    macro(readableByteStreamControllerRespondWithNewView) \
-    macro(readableByteStreamControllerShiftPendingDescriptor) \
-    macro(readableByteStreamControllerShouldCallPull) \
-    macro(readableStreamAddReadIntoRequest) \
-    macro(readableStreamAddReadRequest) \
-    macro(readableStreamBYOBReaderRead) \
-    macro(readableStreamByteStreamControllerStart) \
-    macro(readableStreamCancel) \
-    macro(readableStreamClose) \
-    macro(readableStreamDefaultControllerCallPullIfNeeded) \
-    macro(readableStreamDefaultControllerCanCloseOrEnqueue) \
-    macro(readableStreamDefaultControllerCancel) \
-    macro(readableStreamDefaultControllerClose) \
-    macro(readableStreamDefaultControllerEnqueue) \
-    macro(readableStreamDefaultControllerError) \
-    macro(readableStreamDefaultControllerGetDesiredSize) \
-    macro(readableStreamDefaultControllerPull) \
-    macro(readableStreamDefaultControllerShouldCallPull) \
-    macro(readableStreamDefaultControllerStart) \
-    macro(readableStreamDefaultReaderRead) \
-    macro(readableStreamError) \
-    macro(readableStreamFulfillReadIntoRequest) \
-    macro(readableStreamFulfillReadRequest) \
-    macro(readableStreamHasBYOBReader) \
-    macro(readableStreamHasDefaultReader) \
-    macro(readableStreamPipeTo) \
-    macro(readableStreamPipeToWritableStream) \
-    macro(readableStreamReaderGenericCancel) \
-    macro(readableStreamReaderGenericInitialize) \
-    macro(readableStreamReaderGenericRelease) \
-    macro(readableStreamReaderKind) \
-    macro(readableStreamTee) \
-    macro(readableStreamTeeBranch1CancelFunction) \
-    macro(readableStreamTeeBranch2CancelFunction) \
-    macro(readableStreamTeePullFunction) \
-    macro(readableStreamToArray) \
-    macro(readableStreamToArrayPublic) \
-    macro(readableStreamToBlob) \
-    macro(readableStreamToJSON) \
-    macro(readableStreamToText) \
-    macro(ready) \
-    macro(releaseLock) \
-    macro(require) \
-    macro(resetQueue) \
-    macro(respond) \
-    macro(respondWithNewView) \
-    macro(setBigUint64) \
-    macro(setUpTransformStreamDefaultController) \
-    macro(setUpTransformStreamDefaultControllerFromTransformer) \
-    macro(setUpWritableStreamDefaultController) \
-    macro(setUpWritableStreamDefaultControllerFromUnderlyingSink) \
-    macro(setUpWritableStreamDefaultWriter) \
-    macro(setupReadableStreamDefaultController) \
-    macro(shieldingPromiseResolve) \
-    macro(size) \
-    macro(slice) \
-    macro(subarray) \
-    macro(tee) \
-    macro(terminate) \
-    macro(toDictionary) \
-    macro(toJSON) \
-    macro(transferBufferToCurrentRealm) \
-    macro(transformStreamDefaultControllerClearAlgorithms) \
-    macro(transformStreamDefaultControllerEnqueue) \
-    macro(transformStreamDefaultControllerError) \
-    macro(transformStreamDefaultControllerPerformTransform) \
-    macro(transformStreamDefaultControllerTerminate) \
-    macro(transformStreamDefaultSinkAbortAlgorithm) \
-    macro(transformStreamDefaultSinkCloseAlgorithm) \
-    macro(transformStreamDefaultSinkWriteAlgorithm) \
-    macro(transformStreamDefaultSourcePullAlgorithm) \
-    macro(transformStreamError) \
-    macro(transformStreamErrorWritableAndUnblockWrite) \
-    macro(transformStreamSetBackpressure) \
-    macro(ucs2Slice) \
-    macro(ucs2Write) \
-    macro(utf16leSlice) \
-    macro(utf16leWrite) \
-    macro(utf8Slice) \
-    macro(utf8Write) \
-    macro(validateAndNormalizeQueuingStrategy) \
-    macro(view) \
-    macro(writable) \
-    macro(writableStreamAbort) \
-    macro(writableStreamAbortForBindings) \
-    macro(writableStreamAddWriteRequest) \
-    macro(writableStreamClose) \
-    macro(writableStreamCloseForBindings) \
-    macro(writableStreamCloseQueuedOrInFlight) \
-    macro(writableStreamDealWithRejection) \
-    macro(writableStreamDefaultControllerAdvanceQueueIfNeeded) \
-    macro(writableStreamDefaultControllerClearAlgorithms) \
-    macro(writableStreamDefaultControllerClose) \
-    macro(writableStreamDefaultControllerError) \
-    macro(writableStreamDefaultControllerErrorIfNeeded) \
-    macro(writableStreamDefaultControllerGetBackpressure) \
-    macro(writableStreamDefaultControllerGetChunkSize) \
-    macro(writableStreamDefaultControllerGetDesiredSize) \
-    macro(writableStreamDefaultControllerProcessClose) \
-    macro(writableStreamDefaultControllerProcessWrite) \
-    macro(writableStreamDefaultControllerStart) \
-    macro(writableStreamDefaultControllerWrite) \
-    macro(writableStreamDefaultWriterAbort) \
-    macro(writableStreamDefaultWriterClose) \
-    macro(writableStreamDefaultWriterCloseWithErrorPropagation) \
-    macro(writableStreamDefaultWriterEnsureClosedPromiseRejected) \
-    macro(writableStreamDefaultWriterEnsureReadyPromiseRejected) \
-    macro(writableStreamDefaultWriterGetDesiredSize) \
-    macro(writableStreamDefaultWriterRelease) \
-    macro(writableStreamDefaultWriterWrite) \
-    macro(writableStreamFinishErroring) \
-    macro(writableStreamFinishInFlightClose) \
-    macro(writableStreamFinishInFlightCloseWithError) \
-    macro(writableStreamFinishInFlightWrite) \
-    macro(writableStreamFinishInFlightWriteWithError) \
-    macro(writableStreamHasOperationMarkedInFlight) \
-    macro(writableStreamMarkCloseRequestInFlight) \
-    macro(writableStreamMarkFirstWriteRequestInFlight) \
-    macro(writableStreamRejectCloseAndClosedPromiseIfNeeded) \
-    macro(writableStreamStartErroring) \
-    macro(writableStreamUpdateBackpressure) \
-    macro(write) \
-    macro(writeBigInt64BE) \
-    macro(writeBigInt64LE) \
-    macro(writeBigUInt64BE) \
-    macro(writeBigUInt64LE) \
-    macro(writeDoubleBE) \
-    macro(writeDoubleLE) \
-    macro(writeFloatBE) \
-    macro(writeFloatLE) \
-    macro(writeInt16BE) \
-    macro(writeInt16LE) \
-    macro(writeInt32BE) \
-    macro(writeInt32LE) \
-    macro(writeInt8) \
-    macro(writeUInt16BE) \
-    macro(writeUInt16LE) \
-    macro(writeUInt32BE) \
-    macro(writeUInt32LE) \
-    macro(writeUInt8) \
-
-#define WEBCORE_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(macro) \
-    macro(assignDirectStream, readableStreamInternalsAssignDirectStream) \
-    macro(consumeReadableStream, readableStreamConsumeReadableStream) \
-    macro(createEmptyReadableStream, readableStreamCreateEmptyReadableStream) \
-    macro(createFIFO, streamInternalsCreateFIFO) \
-    macro(createNativeReadableStream, readableStreamCreateNativeReadableStream) \
-    macro(readableStreamToArray, readableStreamReadableStreamToArray) \
-    macro(readableStreamToArrayPublic, readableStreamReadableStreamToArrayPublic) \
-    macro(readableStreamToBlob, readableStreamReadableStreamToBlob) \
-    macro(readableStreamToJSON, readableStreamReadableStreamToJSON) \
-    macro(readableStreamToText, readableStreamReadableStreamToText) \
-
-#define DECLARE_BUILTIN_GENERATOR(codeName, functionName, overriddenName, argumentCount) \
-    JSC::FunctionExecutable* codeName##Generator(JSC::VM&);
-
-WEBCORE_FOREACH_BUILTIN_CODE(DECLARE_BUILTIN_GENERATOR)
-#undef DECLARE_BUILTIN_GENERATOR
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/WebCoreJSClientData.h b/src/javascript/jsc/bindings/webcore/WebCoreJSClientData.h
deleted file mode 100644
index 965f0bb98..000000000
--- a/src/javascript/jsc/bindings/webcore/WebCoreJSClientData.h
+++ /dev/null
@@ -1,3 +0,0 @@
-#pragma once
-
-#include "BunClientData.h"
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/WebCoreTypedArrayController.cpp b/src/javascript/jsc/bindings/webcore/WebCoreTypedArrayController.cpp
deleted file mode 100644
index 4c9660e26..000000000
--- a/src/javascript/jsc/bindings/webcore/WebCoreTypedArrayController.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2013-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "root.h"
-
-#include "WebCoreTypedArrayController.h"
-
-#include "JSDOMConvertBufferSource.h"
-
-#include "JSDOMGlobalObject.h"
-
-#include "JavaScriptCore/ArrayBuffer.h"
-
-#include "JavaScriptCore/JSArrayBuffer.h"
-
-namespace WebCore {
-
-WebCoreTypedArrayController::WebCoreTypedArrayController(bool allowAtomicsWait)
-    : m_allowAtomicsWait(allowAtomicsWait)
-{
-}
-
-WebCoreTypedArrayController::~WebCoreTypedArrayController() = default;
-
-JSC::JSArrayBuffer* WebCoreTypedArrayController::toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSC::JSGlobalObject* globalObject, JSC::ArrayBuffer* buffer)
-{
-    return JSC::jsCast<JSC::JSArrayBuffer*>(WebCore::toJS(lexicalGlobalObject, JSC::jsCast<JSDOMGlobalObject*>(globalObject), buffer));
-}
-
-void WebCoreTypedArrayController::registerWrapper(JSC::JSGlobalObject* globalObject, JSC::ArrayBuffer* native, JSC::JSArrayBuffer* wrapper)
-{
-    cacheWrapper(JSC::jsCast<JSDOMGlobalObject*>(globalObject)->world(), native, wrapper);
-}
-
-bool WebCoreTypedArrayController::isAtomicsWaitAllowedOnCurrentThread()
-{
-    return m_allowAtomicsWait;
-}
-
-bool WebCoreTypedArrayController::JSArrayBufferOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, JSC::AbstractSlotVisitor& visitor, const char** reason)
-{
-    if (UNLIKELY(reason))
-        *reason = "ArrayBuffer is opaque root";
-    auto& wrapper = *JSC::jsCast<JSC::JSArrayBuffer*>(handle.slot()->asCell());
-    return visitor.containsOpaqueRoot(wrapper.impl());
-}
-
-void WebCoreTypedArrayController::JSArrayBufferOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
-{
-    auto& wrapper = *static_cast<JSC::JSArrayBuffer*>(handle.slot()->asCell());
-    uncacheWrapper(*static_cast<DOMWrapperWorld*>(context), wrapper.impl(), &wrapper);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/WebCoreTypedArrayController.h b/src/javascript/jsc/bindings/webcore/WebCoreTypedArrayController.h
deleted file mode 100644
index c689e019d..000000000
--- a/src/javascript/jsc/bindings/webcore/WebCoreTypedArrayController.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2013-2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "JavaScriptCore/JSGlobalObject.h"
-#include "JavaScriptCore/TypedArrayController.h"
-
-namespace WebCore {
-
-class WebCoreTypedArrayController : public JSC::TypedArrayController {
-public:
-    WebCoreTypedArrayController(bool allowAtomicsWait);
-    virtual ~WebCoreTypedArrayController();
-
-    JSC::JSArrayBuffer* toJS(JSC::JSGlobalObject*, JSC::JSGlobalObject*, JSC::ArrayBuffer*) override;
-    void registerWrapper(JSC::JSGlobalObject*, ArrayBuffer*, JSC::JSArrayBuffer*) override;
-    bool isAtomicsWaitAllowedOnCurrentThread() override;
-
-    JSC::WeakHandleOwner* wrapperOwner() { return &m_owner; }
-
-private:
-    class JSArrayBufferOwner : public JSC::WeakHandleOwner {
-    public:
-        bool isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown>, void* context, JSC::AbstractSlotVisitor&, const char**) override;
-        void finalize(JSC::Handle<JSC::Unknown>, void* context) override;
-    };
-
-    JSArrayBufferOwner m_owner;
-    bool m_allowAtomicsWait;
-};
-
-} // namespace WebCore
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/WebSocket.cpp b/src/javascript/jsc/bindings/webcore/WebSocket.cpp
deleted file mode 100644
index 763668056..000000000
--- a/src/javascript/jsc/bindings/webcore/WebSocket.cpp
+++ /dev/null
@@ -1,1121 +0,0 @@
-/*
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "WebSocket.h"
-#include "headers.h"
-// #include "Blob.h"
-#include "CloseEvent.h"
-// #include "ContentSecurityPolicy.h"
-// #include "DOMWindow.h"
-// #include "Document.h"
-#include "Event.h"
-#include "EventListener.h"
-#include "EventNames.h"
-// #include "Frame.h"
-// #include "FrameLoader.h"
-// #include "FrameLoaderClient.h"
-// #include "InspectorInstrumentation.h"
-// #include "Logging.h"
-#include "MessageEvent.h"
-// #include "MixedContentChecker.h"
-// #include "ResourceLoadObserver.h"
-// #include "ScriptController.h"
-#include "ScriptExecutionContext.h"
-// #include "SecurityOrigin.h"
-// #include "SocketProvider.h"
-// #include "ThreadableWebSocketChannel.h"
-// #include "WebSocketChannel.h"
-// #include "WorkerGlobalScope.h"
-// #include "WorkerLoaderProxy.h"
-// #include "WorkerThread.h"
-#include <JavaScriptCore/ArrayBuffer.h>
-#include <JavaScriptCore/ArrayBufferView.h>
-#include <JavaScriptCore/ScriptCallStack.h>
-#include <wtf/HashSet.h>
-#include <wtf/HexNumber.h>
-// #include <wtf/IsoMallocInlines.h>
-#include <wtf/NeverDestroyed.h>
-// #include <wtf/RunLoop.h>
-#include <wtf/StdLibExtras.h>
-#include <wtf/text/CString.h>
-#include <wtf/text/StringBuilder.h>
-
-#include <uws/src/App.h>
-
-// #if USE(WEB_THREAD)
-// #include "WebCoreThreadRun.h"
-// #endif
-namespace WebCore {
-WTF_MAKE_ISO_ALLOCATED_IMPL(WebSocket);
-
-static size_t getFramingOverhead(size_t payloadSize)
-{
-    static const size_t hybiBaseFramingOverhead = 2; // Every frame has at least two-byte header.
-    static const size_t hybiMaskingKeyLength = 4; // Every frame from client must have masking key.
-    static const size_t minimumPayloadSizeWithTwoByteExtendedPayloadLength = 126;
-    static const size_t minimumPayloadSizeWithEightByteExtendedPayloadLength = 0x10000;
-    size_t overhead = hybiBaseFramingOverhead + hybiMaskingKeyLength;
-    if (payloadSize >= minimumPayloadSizeWithEightByteExtendedPayloadLength)
-        overhead += 8;
-    else if (payloadSize >= minimumPayloadSizeWithTwoByteExtendedPayloadLength)
-        overhead += 2;
-    return overhead;
-}
-
-const size_t maxReasonSizeInBytes = 123;
-
-static inline bool isValidProtocolCharacter(UChar character)
-{
-    // Hybi-10 says "(Subprotocol string must consist of) characters in the range U+0021 to U+007E not including
-    // separator characters as defined in [RFC2616]."
-    const UChar minimumProtocolCharacter = '!'; // U+0021.
-    const UChar maximumProtocolCharacter = '~'; // U+007E.
-    return character >= minimumProtocolCharacter && character <= maximumProtocolCharacter
-        && character != '"' && character != '(' && character != ')' && character != ',' && character != '/'
-        && !(character >= ':' && character <= '@') // U+003A - U+0040 (':', ';', '<', '=', '>', '?', '@').
-        && !(character >= '[' && character <= ']') // U+005B - U+005D ('[', '\\', ']').
-        && character != '{' && character != '}';
-}
-
-static bool isValidProtocolString(StringView protocol)
-{
-    if (protocol.isEmpty())
-        return false;
-    for (auto codeUnit : protocol.codeUnits()) {
-        if (!isValidProtocolCharacter(codeUnit))
-            return false;
-    }
-    return true;
-}
-
-static String encodeProtocolString(const String& protocol)
-{
-    StringBuilder builder;
-    for (size_t i = 0; i < protocol.length(); i++) {
-        if (protocol[i] < 0x20 || protocol[i] > 0x7E)
-            builder.append("\\u", hex(protocol[i], 4));
-        else if (protocol[i] == 0x5c)
-            builder.append("\\\\");
-        else
-            builder.append(protocol[i]);
-    }
-    return builder.toString();
-}
-
-static String joinStrings(const Vector<String>& strings, const char* separator)
-{
-    StringBuilder builder;
-    for (size_t i = 0; i < strings.size(); ++i) {
-        if (i)
-            builder.append(separator);
-        builder.append(strings[i]);
-    }
-    return builder.toString();
-}
-
-static unsigned saturateAdd(unsigned a, unsigned b)
-{
-    if (std::numeric_limits<unsigned>::max() - a < b)
-        return std::numeric_limits<unsigned>::max();
-    return a + b;
-}
-
-ASCIILiteral WebSocket::subprotocolSeparator()
-{
-    return ", "_s;
-}
-
-WebSocket::WebSocket(ScriptExecutionContext& context)
-    : ContextDestructionObserver(&context)
-    , m_subprotocol(emptyString())
-    , m_extensions(emptyString())
-{
-}
-
-WebSocket::~WebSocket()
-{
-
-    if (m_upgradeClient != nullptr) {
-        void* upgradeClient = m_upgradeClient;
-        if (m_isSecure) {
-            Bun__WebSocketHTTPSClient__cancel(upgradeClient);
-        } else {
-            Bun__WebSocketHTTPClient__cancel(upgradeClient);
-        }
-    }
-
-    switch (m_connectedWebSocketKind) {
-    case ConnectedWebSocketKind::Client: {
-        Bun__WebSocketClient__finalize(this->m_connectedWebSocket.client);
-        break;
-    }
-    case ConnectedWebSocketKind::ClientSSL: {
-        Bun__WebSocketClientTLS__finalize(this->m_connectedWebSocket.clientSSL);
-        break;
-    }
-    case ConnectedWebSocketKind::Server: {
-        this->m_connectedWebSocket.server->end(None);
-        break;
-    }
-    case ConnectedWebSocketKind::ServerSSL: {
-        this->m_connectedWebSocket.serverSSL->end(None);
-        break;
-    }
-    default: {
-        break;
-    }
-    }
-}
-
-ExceptionOr<Ref<WebSocket>> WebSocket::create(ScriptExecutionContext& context, const String& url)
-{
-    return create(context, url, Vector<String> {});
-}
-
-ExceptionOr<Ref<WebSocket>> WebSocket::create(ScriptExecutionContext& context, const String& url, const Vector<String>& protocols)
-{
-    if (url.isNull())
-        return Exception { SyntaxError };
-
-    auto socket = adoptRef(*new WebSocket(context));
-    // socket->suspendIfNeeded();
-
-    auto result = socket->connect(url, protocols);
-    // auto result = socket->connect(url, protocols);
-
-    if (result.hasException())
-        return result.releaseException();
-
-    return socket;
-}
-
-ExceptionOr<Ref<WebSocket>> WebSocket::create(ScriptExecutionContext& context, const String& url, const String& protocol)
-{
-    return create(context, url, Vector<String> { 1, protocol });
-}
-
-ExceptionOr<void> WebSocket::connect(const String& url)
-{
-    return connect(url, Vector<String> {});
-}
-
-ExceptionOr<void> WebSocket::connect(const String& url, const String& protocol)
-{
-    return connect(url, Vector<String> { 1, protocol });
-}
-
-void WebSocket::failAsynchronously()
-{
-    // queueTaskKeepingObjectAlive(*this, TaskSource::WebSocket, [this] {
-    // We must block this connection. Instead of throwing an exception, we indicate this
-    // using the error event. But since this code executes as part of the WebSocket's
-    // constructor, we have to wait until the constructor has completed before firing the
-    // event; otherwise, users can't connect to the event.
-    this->dispatchErrorEventIfNeeded();
-    // this->();
-    // this->stop();
-    // });
-}
-
-static String resourceName(const URL& url)
-{
-    auto path = url.path();
-    auto result = makeString(
-        path,
-        path.isEmpty() ? "/" : "",
-        url.queryWithLeadingQuestionMark());
-    ASSERT(!result.isEmpty());
-    ASSERT(!result.contains(' '));
-    return result;
-}
-
-static String hostName(const URL& url, bool secure)
-{
-    ASSERT(url.protocolIs("wss") == secure);
-    if (url.port() && ((!secure && url.port().value() != 80) || (secure && url.port().value() != 443)))
-        return makeString(asASCIILowercase(url.host()), ':', url.port().value());
-    return url.host().convertToASCIILowercase();
-}
-
-ExceptionOr<void> WebSocket::connect(const String& url, const Vector<String>& protocols)
-{
-    LOG(Network, "WebSocket %p connect() url='%s'", this, url.utf8().data());
-    m_url = URL { url };
-
-    ASSERT(scriptExecutionContext());
-    auto& context = *scriptExecutionContext();
-
-    if (!m_url.isValid()) {
-        // context.addConsoleMessage(MessageSource::JS, MessageLevel::Error, );
-        m_state = CLOSED;
-        return Exception { SyntaxError, makeString("Invalid url for WebSocket "_s, m_url.stringCenterEllipsizedToLength()) };
-    }
-
-    bool is_secure = m_url.protocolIs("wss"_s);
-
-    if (!m_url.protocolIs("ws"_s) && !is_secure) {
-        // context.addConsoleMessage(MessageSource::JS, MessageLevel::Error, );
-        m_state = CLOSED;
-        return Exception { SyntaxError, makeString("Wrong url scheme for WebSocket "_s, m_url.stringCenterEllipsizedToLength()) };
-    }
-    if (m_url.hasFragmentIdentifier()) {
-        // context.addConsoleMessage(MessageSource::JS, MessageLevel::Error, );
-        m_state = CLOSED;
-        return Exception { SyntaxError, makeString("URL has fragment component "_s, m_url.stringCenterEllipsizedToLength()) };
-    }
-
-    // ASSERT(context.contentSecurityPolicy());
-    // auto& contentSecurityPolicy = *context.contentSecurityPolicy();
-
-    // contentSecurityPolicy.upgradeInsecureRequestIfNeeded(m_url, ContentSecurityPolicy::InsecureRequestType::Load);
-
-    // if (!portAllowed(m_url)) {
-    //     String message;
-    //     if (m_url.port())
-    //         message = makeString("WebSocket port ", m_url.port().value(), " blocked");
-    //     else
-    //         message = "WebSocket without port blocked"_s;
-    //     context.addConsoleMessage(MessageSource::JS, MessageLevel::Error, message);
-    //     failAsynchronously();
-    //     return {};
-    // }
-
-    // FIXME: Convert this to check the isolated world's Content Security Policy once webkit.org/b/104520 is solved.
-    // if (!context.shouldBypassMainWorldContentSecurityPolicy() && !contentSecurityPolicy.allowConnectToSource(m_url)) {
-    //     m_state = CLOSED;
-
-    //     // FIXME: Should this be throwing an exception?
-    //     return Exception { SecurityError };
-    // }
-
-    // FIXME: There is a disagreement about restriction of subprotocols between WebSocket API and hybi-10 protocol
-    // draft. The former simply says "only characters in the range U+0021 to U+007E are allowed," while the latter
-    // imposes a stricter rule: "the elements MUST be non-empty strings with characters as defined in [RFC2616],
-    // and MUST all be unique strings."
-    //
-    // Here, we throw SyntaxError if the given protocols do not meet the latter criteria. This behavior does not
-    // comply with WebSocket API specification, but it seems to be the only reasonable way to handle this conflict.
-    for (auto& protocol : protocols) {
-        if (!isValidProtocolString(protocol)) {
-            // context.addConsoleMessage(MessageSource::JS, MessageLevel::Error, );
-            m_state = CLOSED;
-            return Exception { SyntaxError, makeString("Wrong protocol for WebSocket '"_s, encodeProtocolString(protocol), "'"_s) };
-        }
-    }
-    HashSet<String> visited;
-    for (auto& protocol : protocols) {
-        if (!visited.add(protocol).isNewEntry) {
-            // context.addConsoleMessage(MessageSource::JS, MessageLevel::Error, );
-            m_state = CLOSED;
-            return Exception { SyntaxError, makeString("WebSocket protocols contain duplicates:"_s, encodeProtocolString(protocol), "'"_s) };
-        }
-    }
-
-    // RunLoop::main().dispatch([targetURL = m_url.isolatedCopy(), mainFrameURL = context.url().isolatedCopy()]() {
-    //     ResourceLoadObserver::shared().logWebSocketLoading(targetURL, mainFrameURL);
-    // });
-
-    // if (is<Document>(context)) {
-    //     Document& document = downcast<Document>(context);
-    //     RefPtr<Frame> frame = document.frame();
-    //     // FIXME: make the mixed content check equivalent to the non-document mixed content check currently in WorkerThreadableWebSocketChannel::Bridge::connect()
-    //     if (!frame || !MixedContentChecker::canRunInsecureContent(*frame, document.securityOrigin(), m_url)) {
-    //         failAsynchronously();
-    //         return { };
-    //     }
-    // }
-
-    String protocolString;
-    if (!protocols.isEmpty())
-        protocolString = joinStrings(protocols, subprotocolSeparator());
-
-    ZigString host = Zig::toZigString(m_url.host());
-    auto resource = resourceName(m_url);
-    ZigString path = Zig::toZigString(resource);
-    ZigString clientProtocolString = Zig::toZigString(protocolString);
-    uint16_t port = is_secure ? 443 : 80;
-    if (auto userPort = m_url.port()) {
-        port = userPort.value();
-    }
-
-    m_isSecure = is_secure;
-    if (is_secure) {
-        us_socket_context_t* ctx = scriptExecutionContext()->webSocketContext<true>();
-        RELEASE_ASSERT(ctx);
-        this->m_upgradeClient = Bun__WebSocketHTTPSClient__connect(scriptExecutionContext()->jsGlobalObject(), ctx, this, &host, port, &path, &clientProtocolString);
-    } else {
-        us_socket_context_t* ctx = scriptExecutionContext()->webSocketContext<false>();
-        RELEASE_ASSERT(ctx);
-        this->m_upgradeClient = Bun__WebSocketHTTPClient__connect(scriptExecutionContext()->jsGlobalObject(), ctx, this, &host, port, &path, &clientProtocolString);
-    }
-
-    if (this->m_upgradeClient == nullptr) {
-        // context.addConsoleMessage(MessageSource::JS, MessageLevel::Error, );
-        m_state = CLOSED;
-        return Exception { SyntaxError, "WebSocket connection failed"_s };
-    }
-
-    m_state = CONNECTING;
-
-    // #if ENABLE(INTELLIGENT_TRACKING_PREVENTION)
-    //     auto reportRegistrableDomain = [domain = RegistrableDomain(m_url).isolatedCopy()](auto& context) mutable {
-    //         if (auto* frame = downcast<Document>(context).frame())
-    //             frame->loader().client().didLoadFromRegistrableDomain(WTFMove(domain));
-    //     };
-    //     if (is<Document>(context))
-    //         reportRegistrableDomain(context);
-    //     else
-    //         downcast<WorkerGlobalScope>(context).thread().workerLoaderProxy().postTaskToLoader(WTFMove(reportRegistrableDomain));
-    // #endif
-
-    // m_pendingActivity = makePendingActivity(*this);
-
-    return {};
-}
-
-ExceptionOr<void> WebSocket::send(const String& message)
-{
-    LOG(Network, "WebSocket %p send() Sending String '%s'", this, message.utf8().data());
-    if (m_state == CONNECTING)
-        return Exception { InvalidStateError };
-    // No exception is raised if the connection was once established but has subsequently been closed.
-    if (m_state == CLOSING || m_state == CLOSED) {
-        auto utf8 = message.utf8(StrictConversionReplacingUnpairedSurrogatesWithFFFD);
-        size_t payloadSize = utf8.length();
-        m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, payloadSize);
-        m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, getFramingOverhead(payloadSize));
-        return {};
-    }
-
-    if (message.length() > 0)
-        this->sendWebSocketString(message);
-
-    return {};
-}
-
-ExceptionOr<void> WebSocket::send(ArrayBuffer& binaryData)
-{
-    LOG(Network, "WebSocket %p send() Sending ArrayBuffer %p", this, &binaryData);
-    if (m_state == CONNECTING)
-        return Exception { InvalidStateError };
-    if (m_state == CLOSING || m_state == CLOSED) {
-        unsigned payloadSize = binaryData.byteLength();
-        m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, payloadSize);
-        m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, getFramingOverhead(payloadSize));
-        return {};
-    }
-    char* data = static_cast<char*>(binaryData.data());
-    size_t length = binaryData.byteLength();
-    if (length > 0)
-        this->sendWebSocketData(data, length);
-    return {};
-}
-
-ExceptionOr<void> WebSocket::send(ArrayBufferView& arrayBufferView)
-{
-    LOG(Network, "WebSocket %p send() Sending ArrayBufferView %p", this, &arrayBufferView);
-
-    if (m_state == CONNECTING)
-        return Exception { InvalidStateError };
-    if (m_state == CLOSING || m_state == CLOSED) {
-        unsigned payloadSize = arrayBufferView.byteLength();
-        m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, payloadSize);
-        m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, getFramingOverhead(payloadSize));
-        return {};
-    }
-
-    auto buffer = arrayBufferView.unsharedBuffer().get();
-    char* baseAddress = reinterpret_cast<char*>(buffer->data()) + arrayBufferView.byteOffset();
-    size_t length = arrayBufferView.byteLength();
-    if (length > 0)
-        this->sendWebSocketData(baseAddress, length);
-
-    return {};
-}
-
-// ExceptionOr<void> WebSocket::send(Blob& binaryData)
-// {
-//     LOG(Network, "WebSocket %p send() Sending Blob '%s'", this, binaryData.url().stringCenterEllipsizedToLength().utf8().data());
-//     if (m_state == CONNECTING)
-//         return Exception { InvalidStateError };
-//     if (m_state == CLOSING || m_state == CLOSED) {
-//         unsigned payloadSize = static_cast<unsigned>(binaryData.size());
-//         m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, payloadSize);
-//         m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, getFramingOverhead(payloadSize));
-//         return {};
-//     }
-//     m_bufferedAmount = saturateAdd(m_bufferedAmount, binaryData.size());
-//     ASSERT(m_channel);
-//     m_channel->send(binaryData);
-//     return {};
-// }
-
-void WebSocket::sendWebSocketData(const char* baseAddress, size_t length)
-{
-    uWS::OpCode opCode = uWS::OpCode::BINARY;
-
-    switch (m_connectedWebSocketKind) {
-    case ConnectedWebSocketKind::Client: {
-        Bun__WebSocketClient__writeBinaryData(this->m_connectedWebSocket.client, reinterpret_cast<const unsigned char*>(baseAddress), length);
-        // this->m_connectedWebSocket.client->send({ baseAddress, length }, opCode);
-        // this->m_bufferedAmount = this->m_connectedWebSocket.client->getBufferedAmount();
-        break;
-    }
-    case ConnectedWebSocketKind::ClientSSL: {
-        Bun__WebSocketClientTLS__writeBinaryData(this->m_connectedWebSocket.clientSSL, reinterpret_cast<const unsigned char*>(baseAddress), length);
-        break;
-    }
-    case ConnectedWebSocketKind::Server: {
-        this->m_connectedWebSocket.server->send({ baseAddress, length }, opCode);
-        this->m_bufferedAmount = this->m_connectedWebSocket.server->getBufferedAmount();
-        break;
-    }
-    case ConnectedWebSocketKind::ServerSSL: {
-        this->m_connectedWebSocket.serverSSL->send({ baseAddress, length }, opCode);
-        this->m_bufferedAmount = this->m_connectedWebSocket.serverSSL->getBufferedAmount();
-        break;
-    }
-    default: {
-        RELEASE_ASSERT_NOT_REACHED();
-    }
-    }
-}
-
-void WebSocket::sendWebSocketString(const String& message)
-{
-
-    switch (m_connectedWebSocketKind) {
-    case ConnectedWebSocketKind::Client: {
-        auto zigStr = Zig::toZigString(message);
-        Bun__WebSocketClient__writeString(this->m_connectedWebSocket.client, &zigStr);
-        // this->m_connectedWebSocket.client->send({ baseAddress, length }, opCode);
-        // this->m_bufferedAmount = this->m_connectedWebSocket.client->getBufferedAmount();
-        break;
-    }
-    case ConnectedWebSocketKind::ClientSSL: {
-        auto zigStr = Zig::toZigString(message);
-        Bun__WebSocketClientTLS__writeString(this->m_connectedWebSocket.clientSSL, &zigStr);
-        break;
-    }
-    case ConnectedWebSocketKind::Server: {
-        auto utf8 = message.utf8(StrictConversionReplacingUnpairedSurrogatesWithFFFD);
-        this->m_connectedWebSocket.server->send({ utf8.data(), utf8.length() }, uWS::OpCode::TEXT);
-        this->m_bufferedAmount = this->m_connectedWebSocket.server->getBufferedAmount();
-        break;
-    }
-    case ConnectedWebSocketKind::ServerSSL: {
-        auto utf8 = message.utf8(StrictConversionReplacingUnpairedSurrogatesWithFFFD);
-        this->m_connectedWebSocket.serverSSL->send({ utf8.data(), utf8.length() }, uWS::OpCode::TEXT);
-        this->m_bufferedAmount = this->m_connectedWebSocket.serverSSL->getBufferedAmount();
-        break;
-    }
-    default: {
-        RELEASE_ASSERT_NOT_REACHED();
-    }
-    }
-}
-
-ExceptionOr<void> WebSocket::close(std::optional<unsigned short> optionalCode, const String& reason)
-{
-
-    int code = optionalCode ? optionalCode.value() : static_cast<int>(0);
-    if (code == 0)
-        LOG(Network, "WebSocket %p close() without code and reason", this);
-    else {
-        LOG(Network, "WebSocket %p close() code=%d reason='%s'", this, code, reason.utf8().data());
-        // if (!(code == WebSocketChannel::CloseEventCodeNormalClosure || (WebSocketChannel::CloseEventCodeMinimumUserDefined <= code && code <= WebSocketChannel::CloseEventCodeMaximumUserDefined)))
-        //     return Exception { InvalidAccessError };
-        if (reason.length() > maxReasonSizeInBytes) {
-            // scriptExecutionContext()->addConsoleMessage(MessageSource::JS, MessageLevel::Error, "WebSocket close message is too long."_s);
-            return Exception { SyntaxError, "WebSocket close message is too long."_s };
-        }
-    }
-
-    if (m_state == CLOSING || m_state == CLOSED)
-        return {};
-    if (m_state == CONNECTING) {
-        m_state = CLOSING;
-        if (m_upgradeClient != nullptr) {
-            void* upgradeClient = m_upgradeClient;
-            m_upgradeClient = nullptr;
-            if (m_isSecure) {
-                Bun__WebSocketHTTPSClient__cancel(upgradeClient);
-            } else {
-                Bun__WebSocketHTTPClient__cancel(upgradeClient);
-            }
-        }
-        return {};
-    }
-    m_state = CLOSING;
-    switch (m_connectedWebSocketKind) {
-    case ConnectedWebSocketKind::Client: {
-        ZigString reasonZigStr = Zig::toZigString(reason);
-        Bun__WebSocketClient__close(this->m_connectedWebSocket.client, code, &reasonZigStr);
-        // this->m_bufferedAmount = this->m_connectedWebSocket.client->getBufferedAmount();
-        break;
-    }
-    case ConnectedWebSocketKind::ClientSSL: {
-        ZigString reasonZigStr = Zig::toZigString(reason);
-        Bun__WebSocketClientTLS__close(this->m_connectedWebSocket.clientSSL, code, &reasonZigStr);
-        // this->m_bufferedAmount = this->m_connectedWebSocket.clientSSL->getBufferedAmount();
-        break;
-    }
-    case ConnectedWebSocketKind::Server: {
-        // this->m_connectedWebSocket.server->end(code, { utf8.data(), utf8.length() });
-        // this->m_bufferedAmount = this->m_connectedWebSocket.server->getBufferedAmount();
-        break;
-    }
-    case ConnectedWebSocketKind::ServerSSL: {
-        // this->m_connectedWebSocket.serverSSL->end(code, { utf8.data(), utf8.length() });
-        // this->m_bufferedAmount = this->m_connectedWebSocket.serverSSL->getBufferedAmount();
-        break;
-    }
-    default: {
-        break;
-    }
-    }
-    this->m_connectedWebSocketKind = ConnectedWebSocketKind::None;
-
-    return {};
-}
-
-const URL& WebSocket::url() const
-{
-    return m_url;
-}
-
-WebSocket::State WebSocket::readyState() const
-{
-    return m_state;
-}
-
-unsigned WebSocket::bufferedAmount() const
-{
-    return saturateAdd(m_bufferedAmount, m_bufferedAmountAfterClose);
-}
-
-String WebSocket::protocol() const
-{
-    return m_subprotocol;
-}
-
-String WebSocket::extensions() const
-{
-    return m_extensions;
-}
-
-String WebSocket::binaryType() const
-{
-    switch (m_binaryType) {
-    // case BinaryType::Blob:
-    //     return "blob"_s;
-    case BinaryType::ArrayBuffer:
-        return "arraybuffer"_s;
-    }
-    ASSERT_NOT_REACHED();
-    return String();
-}
-
-ExceptionOr<void> WebSocket::setBinaryType(const String& binaryType)
-{
-    // if (binaryType == "blob") {
-    //     m_binaryType = BinaryType::Blob;
-    //     return {};
-    // }
-    if (binaryType == "arraybuffer") {
-        m_binaryType = BinaryType::ArrayBuffer;
-        return {};
-    }
-    // scriptExecutionContext()->addConsoleMessage(MessageSource::JS, MessageLevel::Error, "'" + binaryType + "' is not a valid value for binaryType; binaryType remains unchanged.");
-    return Exception { SyntaxError, makeString("'"_s, binaryType, "' is not a valid value for binaryType; binaryType remains unchanged."_s) };
-}
-
-EventTargetInterface WebSocket::eventTargetInterface() const
-{
-    return WebSocketEventTargetInterfaceType;
-}
-
-ScriptExecutionContext* WebSocket::scriptExecutionContext() const
-{
-    return ContextDestructionObserver::scriptExecutionContext();
-}
-
-// void WebSocket::contextDestroyed()
-// {
-//     LOG(Network, "WebSocket %p contextDestroyed()", this);
-//     ASSERT(!m_channel);
-//     ASSERT(m_state == CLOSED);
-//     // ActiveDOMObject::contextDestroyed();
-// }
-
-// void WebSocket::suspend(ReasonForSuspension reason)
-// {
-//     // if (!m_channel)
-//     //     return;
-
-//     // if (reason == ReasonForSuspension::BackForwardCache) {
-//     //     // This will cause didClose() to be called.
-//     //     m_channel->fail("WebSocket is closed due to suspension."_s);
-//     //     return;
-//     // }
-
-//     // m_channel->suspend();
-// }
-
-// void WebSocket::resume()
-// {
-//     // if (m_channel)
-//     //     m_channel->resume();
-// }
-
-// void WebSocket::stop()
-// {
-//     if (m_channel)
-//         m_channel->disconnect();
-//     m_channel = nullptr;
-//     m_state = CLOSED;
-//     // ActiveDOMObject::stop();
-//     // m_pendingActivity = nullptr;
-// }
-
-// const char* WebSocket::activeDOMObjectName() const
-// {
-//     return "WebSocket";
-// }
-
-void WebSocket::didConnect()
-{
-    LOG(Network, "WebSocket %p didConnect()", this);
-    // queueTaskKeepingObjectAlive(*this, TaskSource::WebSocket, [this] {
-    if (m_state == CLOSED)
-        return;
-    if (m_state != CONNECTING) {
-        didClose(0, 0, emptyString());
-        return;
-    }
-    m_state = OPEN;
-
-    if (auto* context = scriptExecutionContext()) {
-        if (this->hasEventListeners("open"_s)) {
-            // the main reason for dispatching on a separate tick is to handle when you haven't yet attached an event listener
-            dispatchEvent(Event::create(eventNames().openEvent, Event::CanBubble::No, Event::IsCancelable::No));
-        } else {
-            context->postTask([this, protectedThis = Ref { *this }](ScriptExecutionContext& context) {
-                ASSERT(scriptExecutionContext());
-
-                // m_subprotocol = m_channel->subprotocol();
-                // m_extensions = m_channel->extensions();
-                protectedThis->dispatchEvent(Event::create(eventNames().openEvent, Event::CanBubble::No, Event::IsCancelable::No));
-                // });
-            });
-        }
-    }
-}
-
-void WebSocket::didReceiveMessage(String&& message)
-{
-    LOG(Network, "WebSocket %p didReceiveMessage() Text message '%s'", this, message.utf8().data());
-    // queueTaskKeepingObjectAlive(*this, TaskSource::WebSocket, [this, message = WTFMove(message)]() mutable {
-    if (m_state != OPEN)
-        return;
-
-    // if (UNLIKELY(InspectorInstrumentation::hasFrontends())) {
-    //     if (auto* inspector = m_channel->channelInspector()) {
-    //         auto utf8Message = message.utf8();
-    //         inspector->didReceiveWebSocketFrame(WebSocketChannelInspector::createFrame(utf8Message.dataAsUInt8Ptr(), utf8Message.length(), WebSocketFrame::OpCode::OpCodeText));
-    //     }
-    // }
-
-    if (this->hasEventListeners("message"_s)) {
-        // the main reason for dispatching on a separate tick is to handle when you haven't yet attached an event listener
-        dispatchEvent(MessageEvent::create(WTFMove(message), m_url.string()));
-        return;
-    }
-
-    if (auto* context = scriptExecutionContext()) {
-
-        context->postTask([this, message_ = message, protectedThis = Ref { *this }](ScriptExecutionContext& context) {
-            ASSERT(scriptExecutionContext());
-            protectedThis->dispatchEvent(MessageEvent::create(message_, protectedThis->m_url.string()));
-        });
-    }
-
-    // });
-}
-
-void WebSocket::didReceiveBinaryData(Vector<uint8_t>&& binaryData)
-{
-    LOG(Network, "WebSocket %p didReceiveBinaryData() %u byte binary message", this, static_cast<unsigned>(binaryData.size()));
-    // queueTaskKeepingObjectAlive(*this, TaskSource::WebSocket, [this, binaryData = WTFMove(binaryData)]() mutable {
-    if (m_state != OPEN)
-        return;
-
-    // if (UNLIKELY(InspectorInstrumentation::hasFrontends())) {
-    //     if (auto* inspector = m_channel->channelInspector())
-    //         inspector->didReceiveWebSocketFrame(WebSocketChannelInspector::createFrame(binaryData.data(), binaryData.size(), WebSocketFrame::OpCode::OpCodeBinary));
-    // }
-
-    switch (m_binaryType) {
-    // case BinaryType::Blob:
-    //     // FIXME: We just received the data from NetworkProcess, and are sending it back. This is inefficient.
-    //     dispatchEvent(MessageEvent::create(Blob::create(scriptExecutionContext(), WTFMove(binaryData), emptyString()), SecurityOrigin::create(m_url)->toString()));
-    //     break;
-    case BinaryType::ArrayBuffer: {
-        if (this->hasEventListeners("message"_s)) {
-            // the main reason for dispatching on a separate tick is to handle when you haven't yet attached an event listener
-            dispatchEvent(MessageEvent::create(ArrayBuffer::create(binaryData.data(), binaryData.size()), m_url.string()));
-            return;
-        }
-
-        if (auto* context = scriptExecutionContext()) {
-            context->postTask([this, binaryData = binaryData, protectedThis = Ref { *this }](ScriptExecutionContext& context) {
-                ASSERT(scriptExecutionContext());
-                protectedThis->dispatchEvent(MessageEvent::create(ArrayBuffer::create(binaryData.data(), binaryData.size()), m_url.string()));
-            });
-        }
-
-        break;
-    }
-    }
-    // });
-}
-
-void WebSocket::didReceiveMessageError(WTF::StringImpl::StaticStringImpl* reason)
-{
-    LOG(Network, "WebSocket %p didReceiveErrorMessage()", this);
-    // queueTaskKeepingObjectAlive(*this, TaskSource::WebSocket, [this, reason = WTFMove(reason)] {
-    if (m_state == CLOSED)
-        return;
-    m_state = CLOSED;
-    if (auto* context = scriptExecutionContext()) {
-        context->postTask([this, reason, protectedThis = Ref { *this }](ScriptExecutionContext& context) {
-            ASSERT(scriptExecutionContext());
-            // if (UNLIKELY(InspectorInstrumentation::hasFrontends())) {
-            //     if (auto* inspector = m_channel->channelInspector())
-            //         inspector->didReceiveWebSocketFrameError(reason);
-            // }
-
-            // FIXME: As per https://html.spec.whatwg.org/multipage/web-sockets.html#feedback-from-the-protocol:concept-websocket-closed, we should synchronously fire a close event.
-            dispatchEvent(CloseEvent::create(false, 0, WTF::String(reason)));
-        });
-    }
-}
-
-void WebSocket::didUpdateBufferedAmount(unsigned bufferedAmount)
-{
-    LOG(Network, "WebSocket %p didUpdateBufferedAmount() New bufferedAmount is %u", this, bufferedAmount);
-    if (m_state == CLOSED)
-        return;
-    m_bufferedAmount = bufferedAmount;
-}
-
-void WebSocket::didStartClosingHandshake()
-{
-    LOG(Network, "WebSocket %p didStartClosingHandshake()", this);
-    // queueTaskKeepingObjectAlive(*this, TaskSource::WebSocket, [this] {
-    if (m_state == CLOSED)
-        return;
-    m_state = CLOSING;
-    // });
-}
-
-void WebSocket::didClose(unsigned unhandledBufferedAmount, unsigned short code, const String& reason)
-{
-    LOG(Network, "WebSocket %p didClose()", this);
-    if (this->m_connectedWebSocketKind == ConnectedWebSocketKind::None)
-        return;
-
-    // queueTaskKeepingObjectAlive(*this, TaskSource::WebSocket, [this, unhandledBufferedAmount, closingHandshakeCompletion, code, reason] {
-    // if (!m_channel)
-    //     return;
-
-    // if (UNLIKELY(InspectorInstrumentation::hasFrontends())) {
-    //     if (auto* inspector = m_channel->channelInspector()) {
-    //         WebSocketFrame closingFrame(WebSocketFrame::OpCodeClose, true, false, false);
-    //         inspector->didReceiveWebSocketFrame(closingFrame);
-    //         inspector->didCloseWebSocket();
-    //     }
-    // }
-
-    bool wasClean = m_state == CLOSING && !unhandledBufferedAmount && code != 0; // WebSocketChannel::CloseEventCodeAbnormalClosure;
-    m_state = CLOSED;
-    m_bufferedAmount = unhandledBufferedAmount;
-    ASSERT(scriptExecutionContext());
-    this->m_connectedWebSocketKind = ConnectedWebSocketKind::None;
-    this->m_upgradeClient = nullptr;
-
-    if (auto* context = scriptExecutionContext()) {
-        context->postTask([this, code, wasClean, reason, protectedThis = Ref { *this }](ScriptExecutionContext& context) {
-            ASSERT(scriptExecutionContext());
-            protectedThis->dispatchEvent(CloseEvent::create(wasClean, code, reason));
-        });
-    }
-
-    // m_pendingActivity = nullptr;
-    // });
-}
-
-// void WebSocket::didUpgradeURL()
-// {
-//     ASSERT(m_url.protocolIs("ws"));
-//     m_url.setProtocol("wss");
-// }
-
-void WebSocket::dispatchErrorEventIfNeeded()
-{
-    if (m_dispatchedErrorEvent)
-        return;
-
-    m_dispatchedErrorEvent = true;
-
-    if (auto* context = scriptExecutionContext()) {
-        context->postTask([this, protectedThis = Ref { *this }](ScriptExecutionContext& context) {
-            ASSERT(scriptExecutionContext());
-            protectedThis->dispatchEvent(Event::create(eventNames().errorEvent, Event::CanBubble::No, Event::IsCancelable::No));
-        });
-    }
-}
-
-void WebSocket::didConnect(us_socket_t* socket, char* bufferedData, size_t bufferedDataSize)
-{
-    this->m_upgradeClient = nullptr;
-    if (m_isSecure) {
-        us_socket_context_t* ctx = (us_socket_context_t*)this->scriptExecutionContext()->connnectedWebSocketContext<true, false>();
-        this->m_connectedWebSocket.clientSSL = Bun__WebSocketClientTLS__init(this, socket, ctx, this->scriptExecutionContext()->jsGlobalObject());
-        this->m_connectedWebSocketKind = ConnectedWebSocketKind::ClientSSL;
-    } else {
-        us_socket_context_t* ctx = (us_socket_context_t*)this->scriptExecutionContext()->connnectedWebSocketContext<false, false>();
-        this->m_connectedWebSocket.client = Bun__WebSocketClient__init(this, socket, ctx, this->scriptExecutionContext()->jsGlobalObject());
-        this->m_connectedWebSocketKind = ConnectedWebSocketKind::Client;
-    }
-
-    this->didConnect();
-}
-void WebSocket::didFailWithErrorCode(int32_t code)
-{
-    if (m_state == CLOSED)
-        return;
-
-    this->m_upgradeClient = nullptr;
-    this->m_connectedWebSocketKind = ConnectedWebSocketKind::None;
-    this->m_connectedWebSocket.client = nullptr;
-
-    switch (code) {
-    // cancel
-    case 0: {
-        break;
-    }
-    // invalid_response
-    case 1: {
-        auto message = MAKE_STATIC_STRING_IMPL("Invalid response");
-        didReceiveMessageError(message);
-        break;
-    }
-    // expected_101_status_code
-    case 2: {
-        auto message = MAKE_STATIC_STRING_IMPL("Expected 101 status code");
-        didReceiveMessageError(message);
-        break;
-    }
-    // missing_upgrade_header
-    case 3: {
-        auto message = MAKE_STATIC_STRING_IMPL("Missing upgrade header");
-        didReceiveMessageError(message);
-        break;
-    }
-    // missing_connection_header
-    case 4: {
-        auto message = MAKE_STATIC_STRING_IMPL("Missing connection header");
-        didReceiveMessageError(message);
-        break;
-    }
-    // missing_websocket_accept_header
-    case 5: {
-        auto message = MAKE_STATIC_STRING_IMPL("Missing websocket accept header");
-        didReceiveMessageError(message);
-        break;
-    }
-    // invalid_upgrade_header
-    case 6: {
-        auto message = MAKE_STATIC_STRING_IMPL("Invalid upgrade header");
-        didReceiveMessageError(message);
-        break;
-    }
-    // invalid_connection_header
-    case 7: {
-        auto message = MAKE_STATIC_STRING_IMPL("Invalid connection header");
-        didReceiveMessageError(message);
-        break;
-    }
-    // invalid_websocket_version
-    case 8: {
-        auto message = MAKE_STATIC_STRING_IMPL("Invalid websocket version");
-        didReceiveMessageError(message);
-        break;
-    }
-    // mismatch_websocket_accept_header
-    case 9: {
-        auto message = MAKE_STATIC_STRING_IMPL("Mismatch websocket accept header");
-        didReceiveMessageError(message);
-        break;
-    }
-    // missing_client_protocol
-    case 10: {
-        auto message = MAKE_STATIC_STRING_IMPL("Missing client protocol");
-        didReceiveMessageError(message);
-        break;
-    }
-    // mismatch_client_protocol
-    case 11: {
-        auto message = MAKE_STATIC_STRING_IMPL("Mismatch client protocol");
-        didReceiveMessageError(message);
-        break;
-    }
-    // timeout
-    case 12: {
-        auto message = MAKE_STATIC_STRING_IMPL("Timeout");
-        didReceiveMessageError(message);
-        break;
-    }
-    // closed
-    case 13: {
-        auto message = MAKE_STATIC_STRING_IMPL("Closed by client");
-        didReceiveMessageError(message);
-        break;
-    }
-    // failed_to_write
-    case 14: {
-        auto message = MAKE_STATIC_STRING_IMPL("Failed to write");
-        didReceiveMessageError(message);
-        break;
-    }
-    // failed_to_connect
-    case 15: {
-        auto message = MAKE_STATIC_STRING_IMPL("Failed to connect");
-        didReceiveMessageError(message);
-        break;
-    }
-    // headers_too_large
-    case 16: {
-        auto message = MAKE_STATIC_STRING_IMPL("Headers too large");
-        didReceiveMessageError(message);
-        break;
-    }
-    // ended
-    case 17: {
-        auto message = MAKE_STATIC_STRING_IMPL("Closed by server");
-        didReceiveMessageError(message);
-        break;
-    }
-
-    // failed_to_allocate_memory
-    case 18: {
-        auto message = MAKE_STATIC_STRING_IMPL("Failed to allocate memory");
-        didReceiveMessageError(message);
-        break;
-    }
-    // control_frame_is_fragmented
-    case 19: {
-        auto message = MAKE_STATIC_STRING_IMPL("Protocol error - control frame is fragmented");
-        didReceiveMessageError(message);
-        break;
-    }
-    // invalid_control_frame
-    case 20: {
-        auto message = MAKE_STATIC_STRING_IMPL("Protocol error - invalid control frame");
-        didReceiveMessageError(message);
-        break;
-    }
-    // compression_unsupported
-    case 21: {
-        auto message = MAKE_STATIC_STRING_IMPL("Compression not implemented yet");
-        didReceiveMessageError(message);
-        break;
-    }
-    // unexpected_mask_from_server
-    case 22: {
-        auto message = MAKE_STATIC_STRING_IMPL("Protocol error - unexpected mask from server");
-        didReceiveMessageError(message);
-        break;
-    }
-    // expected_control_frame
-    case 23: {
-        auto message = MAKE_STATIC_STRING_IMPL("Protocol error - expected control frame");
-        didReceiveMessageError(message);
-        break;
-    }
-    // unsupported_control_frame
-    case 24: {
-        auto message = MAKE_STATIC_STRING_IMPL("Protocol error - unsupported control frame");
-        didReceiveMessageError(message);
-        break;
-    }
-    // unexpected_opcode
-    case 25: {
-        auto message = MAKE_STATIC_STRING_IMPL("Protocol error - unexpected opcode");
-        didReceiveMessageError(message);
-        break;
-    }
-    // invalid_utf8
-    case 26: {
-        auto message = MAKE_STATIC_STRING_IMPL("Server sent invalid UTF8");
-        didReceiveMessageError(message);
-        break;
-    }
-    }
-
-    m_state = CLOSED;
-}
-} // namespace WebCore
-
-extern "C" void WebSocket__didConnect(WebCore::WebSocket* webSocket, us_socket_t* socket, char* bufferedData, size_t len)
-{
-    webSocket->didConnect(socket, bufferedData, len);
-}
-extern "C" void WebSocket__didCloseWithErrorCode(WebCore::WebSocket* webSocket, int32_t errorCode)
-{
-    webSocket->didFailWithErrorCode(errorCode);
-}
-
-extern "C" void WebSocket__didReceiveText(WebCore::WebSocket* webSocket, bool clone, const ZigString* str)
-{
-    WTF::String wtf_str = Zig::toString(*str);
-    if (clone) {
-        wtf_str = wtf_str.isolatedCopy();
-    }
-
-    webSocket->didReceiveMessage(WTFMove(wtf_str));
-}
-extern "C" void WebSocket__didReceiveBytes(WebCore::WebSocket* webSocket, uint8_t* bytes, size_t len)
-{
-    webSocket->didReceiveBinaryData({ bytes, len });
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/WebSocket.h b/src/javascript/jsc/bindings/webcore/WebSocket.h
deleted file mode 100644
index 03c0d7709..000000000
--- a/src/javascript/jsc/bindings/webcore/WebSocket.h
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * Copyright (C) 2011 Google Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "ContextDestructionObserver.h"
-#include "EventTarget.h"
-#include "ExceptionOr.h"
-#include <wtf/URL.h>
-#include <wtf/HashSet.h>
-#include <wtf/Lock.h>
-
-namespace uWS {
-template<bool, bool, typename>
-struct WebSocket;
-}
-
-namespace JSC {
-class ArrayBuffer;
-class ArrayBufferView;
-}
-
-namespace WebCore {
-
-// class Blob;
-class WebSocket final : public RefCounted<WebSocket>, public EventTargetWithInlineData, public ContextDestructionObserver {
-    WTF_MAKE_ISO_ALLOCATED(WebSocket);
-
-public:
-    static ASCIILiteral subprotocolSeparator();
-
-    static ExceptionOr<Ref<WebSocket>> create(ScriptExecutionContext&, const String& url);
-    static ExceptionOr<Ref<WebSocket>> create(ScriptExecutionContext&, const String& url, const String& protocol);
-    static ExceptionOr<Ref<WebSocket>> create(ScriptExecutionContext&, const String& url, const Vector<String>& protocols);
-    ~WebSocket();
-
-    enum State {
-        CONNECTING = 0,
-        OPEN = 1,
-        CLOSING = 2,
-        CLOSED = 3,
-
-    };
-
-    ExceptionOr<void> connect(const String& url);
-    ExceptionOr<void> connect(const String& url, const String& protocol);
-    ExceptionOr<void> connect(const String& url, const Vector<String>& protocols);
-
-    ExceptionOr<void> send(const String& message);
-    ExceptionOr<void> send(JSC::ArrayBuffer&);
-    ExceptionOr<void> send(JSC::ArrayBufferView&);
-    // ExceptionOr<void> send(Blob&);
-
-    ExceptionOr<void> close(std::optional<unsigned short> code, const String& reason);
-
-    const URL& url() const;
-    State readyState() const;
-    unsigned bufferedAmount() const;
-
-    String protocol() const;
-    String extensions() const;
-
-    String binaryType() const;
-    ExceptionOr<void> setBinaryType(const String&);
-
-    ScriptExecutionContext* scriptExecutionContext() const final;
-
-    using RefCounted::deref;
-    using RefCounted::ref;
-    void didConnect();
-    void didClose(unsigned unhandledBufferedAmount, unsigned short code, const String& reason);
-    void didConnect(us_socket_t* socket, char* bufferedData, size_t bufferedDataSize);
-    void didFailWithErrorCode(int32_t code);
-
-    void didReceiveMessage(String&& message);
-    void didReceiveData(const char* data, size_t length);
-    void didReceiveBinaryData(Vector<uint8_t>&&);
-
-private:
-    typedef union AnyWebSocket {
-        WebSocketClient* client;
-        WebSocketClientTLS* clientSSL;
-        uWS::WebSocket<false, true, WebCore::WebSocket*>* server;
-        uWS::WebSocket<true, true, WebCore::WebSocket*>* serverSSL;
-    } AnyWebSocket;
-    enum ConnectedWebSocketKind {
-        None,
-        Client,
-        ClientSSL,
-        Server,
-        ServerSSL
-    };
-
-    explicit WebSocket(ScriptExecutionContext&);
-    explicit WebSocket(ScriptExecutionContext&, const String& url);
-
-    void dispatchErrorEventIfNeeded();
-
-    // void contextDestroyed() final;
-    // void suspend(ReasonForSuspension) final;
-    // void resume() final;
-    // void stop() final;
-    // const char* activeDOMObjectName() const final;
-
-    EventTargetInterface eventTargetInterface() const final;
-
-    void refEventTarget() final { ref(); }
-    void derefEventTarget() final { deref(); }
-
-    void didReceiveMessageError(WTF::StringImpl::StaticStringImpl* reason);
-    void didUpdateBufferedAmount(unsigned bufferedAmount);
-    void didStartClosingHandshake();
-
-    void sendWebSocketString(const String& message);
-    void sendWebSocketData(const char* data, size_t length);
-
-    void failAsynchronously();
-
-    enum class BinaryType { Blob,
-        ArrayBuffer };
-
-    State m_state { CONNECTING };
-    URL m_url;
-    unsigned m_bufferedAmount { 0 };
-    unsigned m_bufferedAmountAfterClose { 0 };
-    BinaryType m_binaryType { BinaryType::ArrayBuffer };
-    String m_subprotocol;
-    String m_extensions;
-    void* m_upgradeClient { nullptr };
-    bool m_isSecure { false };
-    AnyWebSocket m_connectedWebSocket { nullptr };
-    ConnectedWebSocketKind m_connectedWebSocketKind { ConnectedWebSocketKind::None };
-
-    bool m_dispatchedErrorEvent { false };
-    // RefPtr<PendingActivity<WebSocket>> m_pendingActivity;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/WebSocket.idl b/src/javascript/jsc/bindings/webcore/WebSocket.idl
deleted file mode 100644
index 4f65c90f3..000000000
--- a/src/javascript/jsc/bindings/webcore/WebSocket.idl
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) 2009 Google Inc.  All rights reserved.
- * Copyright (C) 2010, 2011 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    ActiveDOMObject,
-    Exposed=(Window,Worker),
-    EnabledAtRuntime=WebSocketEnabled
-] interface WebSocket : EventTarget {
-    [CallWith=CurrentScriptExecutionContext] constructor(USVString url, optional sequence<DOMString> protocols = []);
-    [CallWith=CurrentScriptExecutionContext] constructor(USVString url, DOMString protocol);
-
-    readonly attribute USVString URL; // Lowercased .url is the one in the spec, but leaving .URL for compatibility reasons.
-    readonly attribute USVString url;
-
-    const unsigned short CONNECTING = 0;
-    const unsigned short OPEN = 1;
-    const unsigned short CLOSING = 2;
-    const unsigned short CLOSED = 3;
-    readonly attribute unsigned short readyState;
-
-    readonly attribute unsigned long bufferedAmount;
-
-    attribute EventHandler onopen;
-    attribute EventHandler onmessage;
-    attribute EventHandler onerror;
-    attribute EventHandler onclose;
-
-    readonly attribute DOMString? protocol;
-    readonly attribute DOMString? extensions;
-
-    attribute DOMString binaryType;
-
-    undefined send(ArrayBuffer data);
-    undefined send(ArrayBufferView data);
-    undefined send(Blob data);
-    undefined send(USVString data);
-
-    undefined close(optional [Clamp] unsigned short code, optional USVString reason);
-};
diff --git a/src/javascript/jsc/bindings/webcore/WebSocketIdentifier.h b/src/javascript/jsc/bindings/webcore/WebSocketIdentifier.h
deleted file mode 100644
index 97884abd8..000000000
--- a/src/javascript/jsc/bindings/webcore/WebSocketIdentifier.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice , this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <wtf/ObjectIdentifier.h>
-
-namespace WebCore {
-
-enum WebSocketIdentifierType { };
-using WebSocketIdentifier = ObjectIdentifier<WebSocketIdentifierType>;
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/WritableStream.cpp b/src/javascript/jsc/bindings/webcore/WritableStream.cpp
deleted file mode 100644
index 97d56b476..000000000
--- a/src/javascript/jsc/bindings/webcore/WritableStream.cpp
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (C) 2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "WritableStream.h"
-
-#include "JSWritableStream.h"
-#include "JSWritableStreamSink.h"
-
-namespace WebCore {
-
-ExceptionOr<Ref<WritableStream>> WritableStream::create(JSC::JSGlobalObject& globalObject, std::optional<JSC::Strong<JSC::JSObject>>&& underlyingSink, std::optional<JSC::Strong<JSC::JSObject>>&& strategy)
-{
-    JSC::JSValue underlyingSinkValue = JSC::jsUndefined();
-    if (underlyingSink)
-        underlyingSinkValue = underlyingSink->get();
-
-    JSC::JSValue strategyValue = JSC::jsUndefined();
-    if (strategy)
-        strategyValue = strategy->get();
-
-    return create(globalObject, underlyingSinkValue, strategyValue);
-}
-
-ExceptionOr<Ref<WritableStream>> WritableStream::create(JSC::JSGlobalObject& globalObject, JSC::JSValue underlyingSink, JSC::JSValue strategy)
-{
-    auto result = InternalWritableStream::createFromUnderlyingSink(*JSC::jsCast<JSDOMGlobalObject*>(&globalObject), underlyingSink, strategy);
-    if (result.hasException())
-        return result.releaseException();
-
-    return adoptRef(*new WritableStream(result.releaseReturnValue()));
-}
-
-ExceptionOr<Ref<WritableStream>> WritableStream::create(JSDOMGlobalObject& globalObject, Ref<WritableStreamSink>&& sink)
-{
-    return create(globalObject, toJSNewlyCreated(&globalObject, &globalObject, WTFMove(sink)), JSC::jsUndefined());
-}
-
-Ref<WritableStream> WritableStream::create(Ref<InternalWritableStream>&& internalWritableStream)
-{
-    return adoptRef(*new WritableStream(WTFMove(internalWritableStream)));
-}
-
-WritableStream::WritableStream(Ref<InternalWritableStream>&& internalWritableStream)
-    : m_internalWritableStream(WTFMove(internalWritableStream))
-{
-}
-
-JSC::JSValue JSWritableStream::abort(JSC::JSGlobalObject& globalObject, JSC::CallFrame& callFrame)
-{
-    return wrapped().internalWritableStream().abort(globalObject, callFrame.argument(0));
-}
-
-JSC::JSValue JSWritableStream::close(JSC::JSGlobalObject& globalObject, JSC::CallFrame&)
-{
-    return wrapped().internalWritableStream().close(globalObject);
-}
-
-JSC::JSValue JSWritableStream::getWriter(JSC::JSGlobalObject& globalObject, JSC::CallFrame&)
-{
-    return wrapped().internalWritableStream().getWriter(globalObject);
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/WritableStream.h b/src/javascript/jsc/bindings/webcore/WritableStream.h
deleted file mode 100644
index 63a4b3377..000000000
--- a/src/javascript/jsc/bindings/webcore/WritableStream.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2021 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#pragma once
-
-#include "root.h"
-
-#include "InternalWritableStream.h"
-#include <JavaScriptCore/Strong.h>
-#include <wtf/RefCounted.h>
-
-namespace WebCore {
-
-class InternalWritableStream;
-class WritableStreamSink;
-
-class WritableStream : public RefCounted<WritableStream> {
-public:
-    static ExceptionOr<Ref<WritableStream>> create(JSC::JSGlobalObject&, std::optional<JSC::Strong<JSC::JSObject>>&&, std::optional<JSC::Strong<JSC::JSObject>>&&);
-    static ExceptionOr<Ref<WritableStream>> create(JSDOMGlobalObject&, Ref<WritableStreamSink>&&);
-    static Ref<WritableStream> create(Ref<InternalWritableStream>&&);
-
-    ~WritableStream() = default;
-
-    void lock() { m_internalWritableStream->lock(); }
-    bool locked() const { return m_internalWritableStream->locked(); }
-
-    InternalWritableStream& internalWritableStream() { return m_internalWritableStream.get(); }
-
-private:
-    static ExceptionOr<Ref<WritableStream>> create(JSC::JSGlobalObject&, JSC::JSValue, JSC::JSValue);
-    explicit WritableStream(Ref<InternalWritableStream>&&);
-
-    Ref<InternalWritableStream> m_internalWritableStream;
-};
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/WritableStream.idl b/src/javascript/jsc/bindings/webcore/WritableStream.idl
deleted file mode 100644
index cd32d17f0..000000000
--- a/src/javascript/jsc/bindings/webcore/WritableStream.idl
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2015 Canon Inc.
- * Copyright (C) 2015 Igalia S.L.
- * Copyright (C) 2020-2021 Apple Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted, provided that the following conditions
- * are required to be met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Canon Inc. nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-[
-    Exposed=*,
-    PrivateIdentifier,
-    PublicIdentifier,
-    SkipVTableValidation
-] interface WritableStream {
-    // FIXME: Tighten parameter matching
-    [CallWith=CurrentGlobalObject] constructor(optional object underlyingSink, optional object strategy);
-
-    readonly attribute boolean locked;
-
-    [Custom, ReturnsOwnPromise] Promise<any> abort(optional any reason);
-    [Custom, ReturnsOwnPromise] Promise<any> close();
-    [Custom] WritableStreamDefaultWriter getWriter();
-};
diff --git a/src/javascript/jsc/bindings/webcore/WritableStreamSink.h b/src/javascript/jsc/bindings/webcore/WritableStreamSink.h
deleted file mode 100644
index 2caa86c39..000000000
--- a/src/javascript/jsc/bindings/webcore/WritableStreamSink.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2020 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-
-#pragma once
-
-#include "JSDOMPromiseDeferred.h"
-#include <wtf/RefCounted.h>
-#include <wtf/text/WTFString.h>
-
-namespace JSC {
-class JSValue;
-}
-
-namespace WebCore {
-
-class WritableStreamSink : public RefCounted<WritableStreamSink> {
-public:
-    virtual ~WritableStreamSink() = default;
-
-    virtual void write(ScriptExecutionContext&, JSC::JSValue, DOMPromiseDeferred<void>&&) = 0;
-    virtual void close() = 0;
-    virtual void error(String&&) = 0;
-};
-
-class SimpleWritableStreamSink : public WritableStreamSink {
-public:
-    using WriteCallback = Function<ExceptionOr<void>(ScriptExecutionContext&, JSC::JSValue)>;
-    static Ref<SimpleWritableStreamSink> create(WriteCallback&& writeCallback) { return adoptRef(*new SimpleWritableStreamSink(WTFMove(writeCallback))); }
-
-private:
-    explicit SimpleWritableStreamSink(WriteCallback&&);
-
-    void write(ScriptExecutionContext&, JSC::JSValue, DOMPromiseDeferred<void>&&) final;
-    void close() final { }
-    void error(String&&) final { }
-
-    WriteCallback m_writeCallback;
-};
-
-inline SimpleWritableStreamSink::SimpleWritableStreamSink(WriteCallback&& writeCallback)
-    : m_writeCallback(WTFMove(writeCallback))
-{
-}
-
-inline void SimpleWritableStreamSink::write(ScriptExecutionContext& context, JSC::JSValue value, DOMPromiseDeferred<void>&& promise)
-{
-    promise.settle(m_writeCallback(context, value));
-}
-
-} // namespace WebCore
diff --git a/src/javascript/jsc/bindings/webcore/config.h b/src/javascript/jsc/bindings/webcore/config.h
deleted file mode 100644
index 8d25cbc46..000000000
--- a/src/javascript/jsc/bindings/webcore/config.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#pragma once
-
-#ifndef WEBCORE_CONFIG
-#define WEBCORE_CONFIG
-#include "root.h"
-#endif
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/weak_handle.cpp b/src/javascript/jsc/bindings/webcore/weak_handle.cpp
deleted file mode 100644
index e210a5ba1..000000000
--- a/src/javascript/jsc/bindings/webcore/weak_handle.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-
-#include "weak_handle.h"
-#include "JavaScriptCore/WeakHandleOwner.h"
-
-namespace JSC {
-class SlotVisitor;
-template<typename T> class Handle;
-
-// WeakHandleOwner::~WeakHandleOwner()
-// {
-// }
-
-// bool WeakHandleOwner::isReachableFromOpaqueRoots(Handle<Unknown>, void*, AbstractSlotVisitor&, const char**)
-// {
-//     return false;
-// }
-
-// void WeakHandleOwner::finalize(Handle<Unknown>, void*)
-// {
-// }
-}
\ No newline at end of file
diff --git a/src/javascript/jsc/bindings/webcore/weak_handle.h b/src/javascript/jsc/bindings/webcore/weak_handle.h
deleted file mode 100644
index 22d6e702c..000000000
--- a/src/javascript/jsc/bindings/webcore/weak_handle.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#pragma once
-
-#include "config.h"
-
-namespace JSC {
-
-} // namespace JSC