Upgrade WebKit

40 files changed, 642 insertions, 20 deletions

diff --git a/src/bun.js/builtins/cpp/ByteLengthQueuingStrategyBuiltins.cpp b/src/bun.js/builtins/cpp/ByteLengthQueuingStrategyBuiltins.cpp
index 320cba7da..d4216d3cc 100644
--- a/src/bun.js/builtins/cpp/ByteLengthQueuingStrategyBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ByteLengthQueuingStrategyBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_byteLengthQueuingStrategyHighWaterMarkCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_byteLengthQueuingStrategyHighWaterMarkCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_byteLengthQueuingStrategyHighWaterMarkCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_byteLengthQueuingStrategyHighWaterMarkCodeLength = 286;
 static const JSC::Intrinsic s_byteLengthQueuingStrategyHighWaterMarkCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_byteLengthQueuingStrategyHighWaterMarkCode =
@@ -66,6 +67,7 @@ const char* const s_byteLengthQueuingStrategyHighWaterMarkCode =
 
 const JSC::ConstructAbility s_byteLengthQueuingStrategySizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_byteLengthQueuingStrategySizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_byteLengthQueuingStrategySizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_byteLengthQueuingStrategySizeCodeLength = 71;
 static const JSC::Intrinsic s_byteLengthQueuingStrategySizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_byteLengthQueuingStrategySizeCode =
@@ -79,6 +81,7 @@ const char* const s_byteLengthQueuingStrategySizeCode =
 
 const JSC::ConstructAbility s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeLength = 155;
 static const JSC::Intrinsic s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCode =
diff --git a/src/bun.js/builtins/cpp/ByteLengthQueuingStrategyBuiltins.h b/src/bun.js/builtins/cpp/ByteLengthQueuingStrategyBuiltins.h
index 964ce15af..fc56f2911 100644
--- a/src/bun.js/builtins/cpp/ByteLengthQueuingStrategyBuiltins.h
+++ b/src/bun.js/builtins/cpp/ByteLengthQueuingStrategyBuiltins.h
@@ -51,14 +51,17 @@ 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 JSC::ImplementationVisibility s_byteLengthQueuingStrategyHighWaterMarkCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_byteLengthQueuingStrategySizeCodeImplementationVisibility;
 extern const char* const s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCode;
 extern const int s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeLength;
 extern const JSC::ConstructAbility s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeConstructAbility;
 extern const JSC::ConstructorKind s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_byteLengthQueuingStrategyInitializeByteLengthQueuingStrategyCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_BYTELENGTHQUEUINGSTRATEGY_BUILTIN_DATA(macro) \
     macro(highWaterMark, byteLengthQueuingStrategyHighWaterMark, 0) \
@@ -126,7 +129,7 @@ inline JSC::UnlinkedFunctionExecutable* ByteLengthQueuingStrategyBuiltinsWrapper
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/CountQueuingStrategyBuiltins.cpp b/src/bun.js/builtins/cpp/CountQueuingStrategyBuiltins.cpp
index 1a7100f00..c10835906 100644
--- a/src/bun.js/builtins/cpp/CountQueuingStrategyBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/CountQueuingStrategyBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_countQueuingStrategyHighWaterMarkCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_countQueuingStrategyHighWaterMarkCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_countQueuingStrategyHighWaterMarkCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_countQueuingStrategyHighWaterMarkCodeLength = 281;
 static const JSC::Intrinsic s_countQueuingStrategyHighWaterMarkCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_countQueuingStrategyHighWaterMarkCode =
@@ -66,6 +67,7 @@ const char* const s_countQueuingStrategyHighWaterMarkCode =
 
 const JSC::ConstructAbility s_countQueuingStrategySizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_countQueuingStrategySizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_countQueuingStrategySizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_countQueuingStrategySizeCodeLength = 51;
 static const JSC::Intrinsic s_countQueuingStrategySizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_countQueuingStrategySizeCode =
@@ -79,6 +81,7 @@ const char* const s_countQueuingStrategySizeCode =
 
 const JSC::ConstructAbility s_countQueuingStrategyInitializeCountQueuingStrategyCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_countQueuingStrategyInitializeCountQueuingStrategyCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_countQueuingStrategyInitializeCountQueuingStrategyCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_countQueuingStrategyInitializeCountQueuingStrategyCodeLength = 155;
 static const JSC::Intrinsic s_countQueuingStrategyInitializeCountQueuingStrategyCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_countQueuingStrategyInitializeCountQueuingStrategyCode =
diff --git a/src/bun.js/builtins/cpp/CountQueuingStrategyBuiltins.h b/src/bun.js/builtins/cpp/CountQueuingStrategyBuiltins.h
index 3805d0873..06811f00a 100644
--- a/src/bun.js/builtins/cpp/CountQueuingStrategyBuiltins.h
+++ b/src/bun.js/builtins/cpp/CountQueuingStrategyBuiltins.h
@@ -51,14 +51,17 @@ 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 JSC::ImplementationVisibility s_countQueuingStrategyHighWaterMarkCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_countQueuingStrategySizeCodeImplementationVisibility;
 extern const char* const s_countQueuingStrategyInitializeCountQueuingStrategyCode;
 extern const int s_countQueuingStrategyInitializeCountQueuingStrategyCodeLength;
 extern const JSC::ConstructAbility s_countQueuingStrategyInitializeCountQueuingStrategyCodeConstructAbility;
 extern const JSC::ConstructorKind s_countQueuingStrategyInitializeCountQueuingStrategyCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_countQueuingStrategyInitializeCountQueuingStrategyCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_COUNTQUEUINGSTRATEGY_BUILTIN_DATA(macro) \
     macro(highWaterMark, countQueuingStrategyHighWaterMark, 0) \
@@ -126,7 +129,7 @@ inline JSC::UnlinkedFunctionExecutable* CountQueuingStrategyBuiltinsWrapper::nam
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ImportMetaObjectBuiltins.cpp b/src/bun.js/builtins/cpp/ImportMetaObjectBuiltins.cpp
index 65d2f206c..a9d9bee59 100644
--- a/src/bun.js/builtins/cpp/ImportMetaObjectBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ImportMetaObjectBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_importMetaObjectRequireCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_importMetaObjectRequireCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_importMetaObjectRequireCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_importMetaObjectRequireCodeLength = 1162;
 static const JSC::Intrinsic s_importMetaObjectRequireCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_importMetaObjectRequireCode =
@@ -96,6 +97,7 @@ const char* const s_importMetaObjectRequireCode =
 
 const JSC::ConstructAbility s_importMetaObjectLoadModuleCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_importMetaObjectLoadModuleCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_importMetaObjectLoadModuleCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_importMetaObjectLoadModuleCodeLength = 2834;
 static const JSC::Intrinsic s_importMetaObjectLoadModuleCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_importMetaObjectLoadModuleCode =
@@ -213,6 +215,7 @@ const char* const s_importMetaObjectLoadModuleCode =
 
 const JSC::ConstructAbility s_importMetaObjectRequireModuleCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_importMetaObjectRequireModuleCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_importMetaObjectRequireModuleCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_importMetaObjectRequireModuleCodeLength = 606;
 static const JSC::Intrinsic s_importMetaObjectRequireModuleCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_importMetaObjectRequireModuleCode =
diff --git a/src/bun.js/builtins/cpp/ImportMetaObjectBuiltins.h b/src/bun.js/builtins/cpp/ImportMetaObjectBuiltins.h
index ddda3ada1..314079aa0 100644
--- a/src/bun.js/builtins/cpp/ImportMetaObjectBuiltins.h
+++ b/src/bun.js/builtins/cpp/ImportMetaObjectBuiltins.h
@@ -51,14 +51,17 @@ extern const char* const s_importMetaObjectRequireCode;
 extern const int s_importMetaObjectRequireCodeLength;
 extern const JSC::ConstructAbility s_importMetaObjectRequireCodeConstructAbility;
 extern const JSC::ConstructorKind s_importMetaObjectRequireCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_importMetaObjectRequireCodeImplementationVisibility;
 extern const char* const s_importMetaObjectLoadModuleCode;
 extern const int s_importMetaObjectLoadModuleCodeLength;
 extern const JSC::ConstructAbility s_importMetaObjectLoadModuleCodeConstructAbility;
 extern const JSC::ConstructorKind s_importMetaObjectLoadModuleCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_importMetaObjectLoadModuleCodeImplementationVisibility;
 extern const char* const s_importMetaObjectRequireModuleCode;
 extern const int s_importMetaObjectRequireModuleCodeLength;
 extern const JSC::ConstructAbility s_importMetaObjectRequireModuleCodeConstructAbility;
 extern const JSC::ConstructorKind s_importMetaObjectRequireModuleCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_importMetaObjectRequireModuleCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_IMPORTMETAOBJECT_BUILTIN_DATA(macro) \
     macro(require, importMetaObjectRequire, 1) \
@@ -126,7 +129,7 @@ inline JSC::UnlinkedFunctionExecutable* ImportMetaObjectBuiltinsWrapper::name##E
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/JSBufferConstructorBuiltins.cpp b/src/bun.js/builtins/cpp/JSBufferConstructorBuiltins.cpp
index d605d5b1b..097ff91fb 100644
--- a/src/bun.js/builtins/cpp/JSBufferConstructorBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/JSBufferConstructorBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_jsBufferConstructorFromCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferConstructorFromCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferConstructorFromCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferConstructorFromCodeLength = 1019;
 static const JSC::Intrinsic s_jsBufferConstructorFromCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferConstructorFromCode =
diff --git a/src/bun.js/builtins/cpp/JSBufferConstructorBuiltins.h b/src/bun.js/builtins/cpp/JSBufferConstructorBuiltins.h
index 1495b852d..f9181b402 100644
--- a/src/bun.js/builtins/cpp/JSBufferConstructorBuiltins.h
+++ b/src/bun.js/builtins/cpp/JSBufferConstructorBuiltins.h
@@ -51,6 +51,7 @@ extern const char* const s_jsBufferConstructorFromCode;
 extern const int s_jsBufferConstructorFromCodeLength;
 extern const JSC::ConstructAbility s_jsBufferConstructorFromCodeConstructAbility;
 extern const JSC::ConstructorKind s_jsBufferConstructorFromCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_jsBufferConstructorFromCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_JSBUFFERCONSTRUCTOR_BUILTIN_DATA(macro) \
     macro(from, jsBufferConstructorFrom, 1) \
@@ -110,7 +111,7 @@ inline JSC::UnlinkedFunctionExecutable* JSBufferConstructorBuiltinsWrapper::name
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.cpp b/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.cpp
index 3925e54f7..9906075fc 100644
--- a/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_jsBufferPrototypeSetBigUint64CodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeSetBigUint64CodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeSetBigUint64CodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeSetBigUint64CodeLength = 107;
 static const JSC::Intrinsic s_jsBufferPrototypeSetBigUint64CodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeSetBigUint64Code =
@@ -60,6 +61,7 @@ const char* const s_jsBufferPrototypeSetBigUint64Code =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadInt8CodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadInt8CodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadInt8CodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadInt8CodeLength = 80;
 static const JSC::Intrinsic s_jsBufferPrototypeReadInt8CodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadInt8Code =
@@ -71,6 +73,7 @@ const char* const s_jsBufferPrototypeReadInt8Code =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadUInt8CodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadUInt8CodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt8CodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadUInt8CodeLength = 81;
 static const JSC::Intrinsic s_jsBufferPrototypeReadUInt8CodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadUInt8Code =
@@ -82,6 +85,7 @@ const char* const s_jsBufferPrototypeReadUInt8Code =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadInt16LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadInt16LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadInt16LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadInt16LECodeLength = 87;
 static const JSC::Intrinsic s_jsBufferPrototypeReadInt16LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadInt16LECode =
@@ -93,6 +97,7 @@ const char* const s_jsBufferPrototypeReadInt16LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadInt16BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadInt16BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadInt16BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadInt16BECodeLength = 88;
 static const JSC::Intrinsic s_jsBufferPrototypeReadInt16BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadInt16BECode =
@@ -104,6 +109,7 @@ const char* const s_jsBufferPrototypeReadInt16BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadUInt16LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadUInt16LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt16LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadUInt16LECodeLength = 88;
 static const JSC::Intrinsic s_jsBufferPrototypeReadUInt16LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadUInt16LECode =
@@ -115,6 +121,7 @@ const char* const s_jsBufferPrototypeReadUInt16LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadUInt16BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadUInt16BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt16BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadUInt16BECodeLength = 89;
 static const JSC::Intrinsic s_jsBufferPrototypeReadUInt16BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadUInt16BECode =
@@ -126,6 +133,7 @@ const char* const s_jsBufferPrototypeReadUInt16BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadInt32LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadInt32LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadInt32LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadInt32LECodeLength = 87;
 static const JSC::Intrinsic s_jsBufferPrototypeReadInt32LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadInt32LECode =
@@ -137,6 +145,7 @@ const char* const s_jsBufferPrototypeReadInt32LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadInt32BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadInt32BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadInt32BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadInt32BECodeLength = 88;
 static const JSC::Intrinsic s_jsBufferPrototypeReadInt32BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadInt32BECode =
@@ -148,6 +157,7 @@ const char* const s_jsBufferPrototypeReadInt32BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadUInt32LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadUInt32LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt32LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadUInt32LECodeLength = 88;
 static const JSC::Intrinsic s_jsBufferPrototypeReadUInt32LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadUInt32LECode =
@@ -159,6 +169,7 @@ const char* const s_jsBufferPrototypeReadUInt32LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadUInt32BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadUInt32BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt32BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadUInt32BECodeLength = 89;
 static const JSC::Intrinsic s_jsBufferPrototypeReadUInt32BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadUInt32BECode =
@@ -170,6 +181,7 @@ const char* const s_jsBufferPrototypeReadUInt32BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadFloatLECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadFloatLECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadFloatLECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadFloatLECodeLength = 89;
 static const JSC::Intrinsic s_jsBufferPrototypeReadFloatLECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadFloatLECode =
@@ -181,6 +193,7 @@ const char* const s_jsBufferPrototypeReadFloatLECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadFloatBECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadFloatBECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadFloatBECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadFloatBECodeLength = 90;
 static const JSC::Intrinsic s_jsBufferPrototypeReadFloatBECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadFloatBECode =
@@ -192,6 +205,7 @@ const char* const s_jsBufferPrototypeReadFloatBECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadDoubleLECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadDoubleLECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadDoubleLECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadDoubleLECodeLength = 89;
 static const JSC::Intrinsic s_jsBufferPrototypeReadDoubleLECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadDoubleLECode =
@@ -203,6 +217,7 @@ const char* const s_jsBufferPrototypeReadDoubleLECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadDoubleBECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadDoubleBECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadDoubleBECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadDoubleBECodeLength = 90;
 static const JSC::Intrinsic s_jsBufferPrototypeReadDoubleBECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadDoubleBECode =
@@ -214,6 +229,7 @@ const char* const s_jsBufferPrototypeReadDoubleBECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadBigInt64LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadBigInt64LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadBigInt64LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadBigInt64LECodeLength = 90;
 static const JSC::Intrinsic s_jsBufferPrototypeReadBigInt64LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadBigInt64LECode =
@@ -225,6 +241,7 @@ const char* const s_jsBufferPrototypeReadBigInt64LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadBigInt64BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadBigInt64BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadBigInt64BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadBigInt64BECodeLength = 91;
 static const JSC::Intrinsic s_jsBufferPrototypeReadBigInt64BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadBigInt64BECode =
@@ -236,6 +253,7 @@ const char* const s_jsBufferPrototypeReadBigInt64BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadBigUInt64LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadBigUInt64LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadBigUInt64LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadBigUInt64LECodeLength = 91;
 static const JSC::Intrinsic s_jsBufferPrototypeReadBigUInt64LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadBigUInt64LECode =
@@ -247,6 +265,7 @@ const char* const s_jsBufferPrototypeReadBigUInt64LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeReadBigUInt64BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeReadBigUInt64BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeReadBigUInt64BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeReadBigUInt64BECodeLength = 92;
 static const JSC::Intrinsic s_jsBufferPrototypeReadBigUInt64BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeReadBigUInt64BECode =
@@ -258,6 +277,7 @@ const char* const s_jsBufferPrototypeReadBigUInt64BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteInt8CodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteInt8CodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt8CodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteInt8CodeLength = 108;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteInt8CodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteInt8Code =
@@ -270,6 +290,7 @@ const char* const s_jsBufferPrototypeWriteInt8Code =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt8CodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt8CodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt8CodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteUInt8CodeLength = 109;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteUInt8CodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteUInt8Code =
@@ -282,6 +303,7 @@ const char* const s_jsBufferPrototypeWriteUInt8Code =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteInt16LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteInt16LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt16LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteInt16LECodeLength = 115;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteInt16LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteInt16LECode =
@@ -294,6 +316,7 @@ const char* const s_jsBufferPrototypeWriteInt16LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteInt16BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteInt16BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt16BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteInt16BECodeLength = 116;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteInt16BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteInt16BECode =
@@ -306,6 +329,7 @@ const char* const s_jsBufferPrototypeWriteInt16BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt16LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt16LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt16LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteUInt16LECodeLength = 116;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteUInt16LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteUInt16LECode =
@@ -318,6 +342,7 @@ const char* const s_jsBufferPrototypeWriteUInt16LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt16BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt16BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt16BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteUInt16BECodeLength = 117;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteUInt16BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteUInt16BECode =
@@ -330,6 +355,7 @@ const char* const s_jsBufferPrototypeWriteUInt16BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteInt32LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteInt32LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt32LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteInt32LECodeLength = 115;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteInt32LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteInt32LECode =
@@ -342,6 +368,7 @@ const char* const s_jsBufferPrototypeWriteInt32LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteInt32BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteInt32BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt32BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteInt32BECodeLength = 116;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteInt32BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteInt32BECode =
@@ -354,6 +381,7 @@ const char* const s_jsBufferPrototypeWriteInt32BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt32LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt32LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt32LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteUInt32LECodeLength = 116;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteUInt32LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteUInt32LECode =
@@ -366,6 +394,7 @@ const char* const s_jsBufferPrototypeWriteUInt32LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteUInt32BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteUInt32BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt32BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteUInt32BECodeLength = 117;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteUInt32BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteUInt32BECode =
@@ -378,6 +407,7 @@ const char* const s_jsBufferPrototypeWriteUInt32BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteFloatLECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteFloatLECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteFloatLECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteFloatLECodeLength = 117;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteFloatLECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteFloatLECode =
@@ -390,6 +420,7 @@ const char* const s_jsBufferPrototypeWriteFloatLECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteFloatBECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteFloatBECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteFloatBECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteFloatBECodeLength = 118;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteFloatBECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteFloatBECode =
@@ -402,6 +433,7 @@ const char* const s_jsBufferPrototypeWriteFloatBECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteDoubleLECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteDoubleLECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteDoubleLECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteDoubleLECodeLength = 117;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteDoubleLECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteDoubleLECode =
@@ -414,6 +446,7 @@ const char* const s_jsBufferPrototypeWriteDoubleLECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteDoubleBECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteDoubleBECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteDoubleBECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteDoubleBECodeLength = 118;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteDoubleBECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteDoubleBECode =
@@ -426,6 +459,7 @@ const char* const s_jsBufferPrototypeWriteDoubleBECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteBigInt64LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteBigInt64LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteBigInt64LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteBigInt64LECodeLength = 118;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteBigInt64LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteBigInt64LECode =
@@ -438,6 +472,7 @@ const char* const s_jsBufferPrototypeWriteBigInt64LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteBigInt64BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteBigInt64BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteBigInt64BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteBigInt64BECodeLength = 119;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteBigInt64BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteBigInt64BECode =
@@ -450,6 +485,7 @@ const char* const s_jsBufferPrototypeWriteBigInt64BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteBigUInt64LECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteBigUInt64LECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteBigUInt64LECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteBigUInt64LECodeLength = 119;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteBigUInt64LECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteBigUInt64LECode =
@@ -462,6 +498,7 @@ const char* const s_jsBufferPrototypeWriteBigUInt64LECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeWriteBigUInt64BECodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeWriteBigUInt64BECodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeWriteBigUInt64BECodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeWriteBigUInt64BECodeLength = 120;
 static const JSC::Intrinsic s_jsBufferPrototypeWriteBigUInt64BECodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeWriteBigUInt64BECode =
@@ -474,6 +511,7 @@ const char* const s_jsBufferPrototypeWriteBigUInt64BECode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeSliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeSliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeSliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeSliceCodeLength = 262;
 static const JSC::Intrinsic s_jsBufferPrototypeSliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeSliceCode =
@@ -491,6 +529,7 @@ const char* const s_jsBufferPrototypeSliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeUtf8WriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeUtf8WriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeUtf8WriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeUtf8WriteCodeLength = 105;
 static const JSC::Intrinsic s_jsBufferPrototypeUtf8WriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeUtf8WriteCode =
@@ -502,6 +541,7 @@ const char* const s_jsBufferPrototypeUtf8WriteCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeUcs2WriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeUcs2WriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeUcs2WriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeUcs2WriteCodeLength = 105;
 static const JSC::Intrinsic s_jsBufferPrototypeUcs2WriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeUcs2WriteCode =
@@ -513,6 +553,7 @@ const char* const s_jsBufferPrototypeUcs2WriteCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeUtf16leWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeUtf16leWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeUtf16leWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeUtf16leWriteCodeLength = 108;
 static const JSC::Intrinsic s_jsBufferPrototypeUtf16leWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeUtf16leWriteCode =
@@ -524,6 +565,7 @@ const char* const s_jsBufferPrototypeUtf16leWriteCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeLatin1WriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeLatin1WriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeLatin1WriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeLatin1WriteCodeLength = 107;
 static const JSC::Intrinsic s_jsBufferPrototypeLatin1WriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeLatin1WriteCode =
@@ -535,6 +577,7 @@ const char* const s_jsBufferPrototypeLatin1WriteCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeAsciiWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeAsciiWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeAsciiWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeAsciiWriteCodeLength = 106;
 static const JSC::Intrinsic s_jsBufferPrototypeAsciiWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeAsciiWriteCode =
@@ -546,6 +589,7 @@ const char* const s_jsBufferPrototypeAsciiWriteCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeBase64WriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeBase64WriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeBase64WriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeBase64WriteCodeLength = 107;
 static const JSC::Intrinsic s_jsBufferPrototypeBase64WriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeBase64WriteCode =
@@ -557,6 +601,7 @@ const char* const s_jsBufferPrototypeBase64WriteCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeBase64urlWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeBase64urlWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeBase64urlWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeBase64urlWriteCodeLength = 110;
 static const JSC::Intrinsic s_jsBufferPrototypeBase64urlWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeBase64urlWriteCode =
@@ -568,6 +613,7 @@ const char* const s_jsBufferPrototypeBase64urlWriteCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeHexWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeHexWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeHexWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeHexWriteCodeLength = 104;
 static const JSC::Intrinsic s_jsBufferPrototypeHexWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeHexWriteCode =
@@ -579,6 +625,7 @@ const char* const s_jsBufferPrototypeHexWriteCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeUtf8SliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeUtf8SliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeUtf8SliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeUtf8SliceCodeLength = 96;
 static const JSC::Intrinsic s_jsBufferPrototypeUtf8SliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeUtf8SliceCode =
@@ -590,6 +637,7 @@ const char* const s_jsBufferPrototypeUtf8SliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeUcs2SliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeUcs2SliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeUcs2SliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeUcs2SliceCodeLength = 96;
 static const JSC::Intrinsic s_jsBufferPrototypeUcs2SliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeUcs2SliceCode =
@@ -601,6 +649,7 @@ const char* const s_jsBufferPrototypeUcs2SliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeUtf16leSliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeUtf16leSliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeUtf16leSliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeUtf16leSliceCodeLength = 99;
 static const JSC::Intrinsic s_jsBufferPrototypeUtf16leSliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeUtf16leSliceCode =
@@ -612,6 +661,7 @@ const char* const s_jsBufferPrototypeUtf16leSliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeLatin1SliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeLatin1SliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeLatin1SliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeLatin1SliceCodeLength = 98;
 static const JSC::Intrinsic s_jsBufferPrototypeLatin1SliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeLatin1SliceCode =
@@ -623,6 +673,7 @@ const char* const s_jsBufferPrototypeLatin1SliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeAsciiSliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeAsciiSliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeAsciiSliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeAsciiSliceCodeLength = 97;
 static const JSC::Intrinsic s_jsBufferPrototypeAsciiSliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeAsciiSliceCode =
@@ -634,6 +685,7 @@ const char* const s_jsBufferPrototypeAsciiSliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeBase64SliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeBase64SliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeBase64SliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeBase64SliceCodeLength = 98;
 static const JSC::Intrinsic s_jsBufferPrototypeBase64SliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeBase64SliceCode =
@@ -645,6 +697,7 @@ const char* const s_jsBufferPrototypeBase64SliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeBase64urlSliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeBase64urlSliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeBase64urlSliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeBase64urlSliceCodeLength = 101;
 static const JSC::Intrinsic s_jsBufferPrototypeBase64urlSliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeBase64urlSliceCode =
@@ -656,6 +709,7 @@ const char* const s_jsBufferPrototypeBase64urlSliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeHexSliceCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeHexSliceCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeHexSliceCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeHexSliceCodeLength = 95;
 static const JSC::Intrinsic s_jsBufferPrototypeHexSliceCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeHexSliceCode =
@@ -667,6 +721,7 @@ const char* const s_jsBufferPrototypeHexSliceCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeToJSONCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeToJSONCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeToJSONCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeToJSONCodeLength = 118;
 static const JSC::Intrinsic s_jsBufferPrototypeToJSONCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeToJSONCode =
@@ -680,6 +735,7 @@ const char* const s_jsBufferPrototypeToJSONCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeSubarrayCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeSubarrayCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeSubarrayCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeSubarrayCodeLength = 196;
 static const JSC::Intrinsic s_jsBufferPrototypeSubarrayCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeSubarrayCode =
@@ -693,6 +749,7 @@ const char* const s_jsBufferPrototypeSubarrayCode =
 
 const JSC::ConstructAbility s_jsBufferPrototypeInitializeBunBufferCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeInitializeBunBufferCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeInitializeBunBufferCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_jsBufferPrototypeInitializeBunBufferCodeLength = 45;
 static const JSC::Intrinsic s_jsBufferPrototypeInitializeBunBufferCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_jsBufferPrototypeInitializeBunBufferCode =
diff --git a/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.h b/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.h
index 5fc08789e..956e57c7e 100644
--- a/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.h
+++ b/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.h
@@ -51,230 +51,287 @@ 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 JSC::ImplementationVisibility s_jsBufferPrototypeSetBigUint64CodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadInt8CodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt8CodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadInt16LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadInt16BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt16LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt16BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadInt32LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadInt32BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt32LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadUInt32BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadFloatLECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadFloatBECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadDoubleLECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadDoubleBECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadBigInt64LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadBigInt64BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadBigUInt64LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeReadBigUInt64BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt8CodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt8CodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt16LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt16BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt16LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt16BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt32LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteInt32BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt32LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteUInt32BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteFloatLECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteFloatBECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteDoubleLECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteDoubleBECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteBigInt64LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteBigInt64BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteBigUInt64LECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeWriteBigUInt64BECodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeSliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeUtf8WriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeUcs2WriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeUtf16leWriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeLatin1WriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeAsciiWriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeBase64WriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeBase64urlWriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeHexWriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeUtf8SliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeUcs2SliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeUtf16leSliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeLatin1SliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeAsciiSliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeBase64SliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeBase64urlSliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeHexSliceCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeToJSONCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_jsBufferPrototypeSubarrayCodeImplementationVisibility;
 extern const char* const s_jsBufferPrototypeInitializeBunBufferCode;
 extern const int s_jsBufferPrototypeInitializeBunBufferCodeLength;
 extern const JSC::ConstructAbility s_jsBufferPrototypeInitializeBunBufferCodeConstructAbility;
 extern const JSC::ConstructorKind s_jsBufferPrototypeInitializeBunBufferCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_jsBufferPrototypeInitializeBunBufferCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_JSBUFFERPROTOTYPE_BUILTIN_DATA(macro) \
     macro(setBigUint64, jsBufferPrototypeSetBigUint64, 3) \
@@ -558,7 +615,7 @@ inline JSC::UnlinkedFunctionExecutable* JSBufferPrototypeBuiltinsWrapper::name##
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ReadableByteStreamControllerBuiltins.cpp b/src/bun.js/builtins/cpp/ReadableByteStreamControllerBuiltins.cpp
index b09754494..1e0266fb2 100644
--- a/src/bun.js/builtins/cpp/ReadableByteStreamControllerBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ReadableByteStreamControllerBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeLength = 366;
 static const JSC::Intrinsic s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamControllerInitializeReadableByteStreamControllerCode =
@@ -65,6 +66,7 @@ const char* const s_readableByteStreamControllerInitializeReadableByteStreamCont
 
 const JSC::ConstructAbility s_readableByteStreamControllerEnqueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamControllerEnqueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamControllerEnqueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamControllerEnqueueCodeLength = 665;
 static const JSC::Intrinsic s_readableByteStreamControllerEnqueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamControllerEnqueueCode =
@@ -90,6 +92,7 @@ const char* const s_readableByteStreamControllerEnqueueCode =
 
 const JSC::ConstructAbility s_readableByteStreamControllerErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamControllerErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamControllerErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamControllerErrorCodeLength = 396;
 static const JSC::Intrinsic s_readableByteStreamControllerErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamControllerErrorCode =
@@ -109,6 +112,7 @@ const char* const s_readableByteStreamControllerErrorCode =
 
 const JSC::ConstructAbility s_readableByteStreamControllerCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamControllerCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamControllerCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamControllerCloseCodeLength = 501;
 static const JSC::Intrinsic s_readableByteStreamControllerCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamControllerCloseCode =
@@ -131,6 +135,7 @@ const char* const s_readableByteStreamControllerCloseCode =
 
 const JSC::ConstructAbility s_readableByteStreamControllerByobRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamControllerByobRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamControllerByobRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamControllerByobRequestCodeLength = 817;
 static const JSC::Intrinsic s_readableByteStreamControllerByobRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamControllerByobRequestCode =
@@ -160,6 +165,7 @@ const char* const s_readableByteStreamControllerByobRequestCode =
 
 const JSC::ConstructAbility s_readableByteStreamControllerDesiredSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamControllerDesiredSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamControllerDesiredSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamControllerDesiredSizeCodeLength = 231;
 static const JSC::Intrinsic s_readableByteStreamControllerDesiredSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamControllerDesiredSizeCode =
diff --git a/src/bun.js/builtins/cpp/ReadableByteStreamControllerBuiltins.h b/src/bun.js/builtins/cpp/ReadableByteStreamControllerBuiltins.h
index 5513883db..2e19b9d21 100644
--- a/src/bun.js/builtins/cpp/ReadableByteStreamControllerBuiltins.h
+++ b/src/bun.js/builtins/cpp/ReadableByteStreamControllerBuiltins.h
@@ -51,26 +51,32 @@ extern const char* const s_readableByteStreamControllerInitializeReadableByteStr
 extern const int s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeLength;
 extern const JSC::ConstructAbility s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableByteStreamControllerInitializeReadableByteStreamControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamControllerEnqueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamControllerErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamControllerCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamControllerByobRequestCodeImplementationVisibility;
 extern const char* const s_readableByteStreamControllerDesiredSizeCode;
 extern const int s_readableByteStreamControllerDesiredSizeCodeLength;
 extern const JSC::ConstructAbility s_readableByteStreamControllerDesiredSizeCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableByteStreamControllerDesiredSizeCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableByteStreamControllerDesiredSizeCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_READABLEBYTESTREAMCONTROLLER_BUILTIN_DATA(macro) \
     macro(initializeReadableByteStreamController, readableByteStreamControllerInitializeReadableByteStreamController, 3) \
@@ -150,7 +156,7 @@ inline JSC::UnlinkedFunctionExecutable* ReadableByteStreamControllerBuiltinsWrap
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ReadableByteStreamInternalsBuiltins.cpp b/src/bun.js/builtins/cpp/ReadableByteStreamInternalsBuiltins.cpp
index 5f2f77b6a..1995f5d98 100644
--- a/src/bun.js/builtins/cpp/ReadableByteStreamInternalsBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ReadableByteStreamInternalsBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeLength = 2365;
 static const JSC::Intrinsic s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCode =
@@ -107,6 +108,7 @@ const char* const s_readableByteStreamInternalsPrivateInitializeReadableByteStre
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeLength = 107;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCode =
@@ -119,6 +121,7 @@ const char* const s_readableByteStreamInternalsReadableStreamByteStreamControlle
 
 const JSC::ConstructAbility s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeLength = 187;
 static const JSC::Intrinsic s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCode =
@@ -133,6 +136,7 @@ const char* const s_readableByteStreamInternalsPrivateInitializeReadableStreamBY
 
 const JSC::ConstructAbility s_readableByteStreamInternalsIsReadableByteStreamControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsIsReadableByteStreamControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsIsReadableByteStreamControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsIsReadableByteStreamControllerCodeLength = 158;
 static const JSC::Intrinsic s_readableByteStreamInternalsIsReadableByteStreamControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsIsReadableByteStreamControllerCode =
@@ -148,6 +152,7 @@ const char* const s_readableByteStreamInternalsIsReadableByteStreamControllerCod
 
 const JSC::ConstructAbility s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeLength = 179;
 static const JSC::Intrinsic s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsIsReadableStreamBYOBRequestCode =
@@ -163,6 +168,7 @@ const char* const s_readableByteStreamInternalsIsReadableStreamBYOBRequestCode =
 
 const JSC::ConstructAbility s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeLength = 149;
 static const JSC::Intrinsic s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsIsReadableStreamBYOBReaderCode =
@@ -179,6 +185,7 @@ const char* const s_readableByteStreamInternalsIsReadableStreamBYOBReaderCode =
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeLength = 398;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerCancelCode =
@@ -198,6 +205,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerCance
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeLength = 399;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerErrorCode =
@@ -214,6 +222,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerError
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeLength = 809;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerCloseCode =
@@ -244,6 +253,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerClose
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeLength = 347;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCode =
@@ -263,6 +273,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerClear
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeLength = 406;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCode =
@@ -284,6 +295,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerGetDe
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeLength = 176;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableStreamHasBYOBReaderCode =
@@ -298,6 +310,7 @@ const char* const s_readableByteStreamInternalsReadableStreamHasBYOBReaderCode =
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeLength = 179;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableStreamHasDefaultReaderCode =
@@ -312,6 +325,7 @@ const char* const s_readableByteStreamInternalsReadableStreamHasDefaultReaderCod
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeLength = 458;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCode =
@@ -329,6 +343,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerHandl
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerPullCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerPullCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerPullCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerPullCodeLength = 1610;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerPullCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerPullCode =
@@ -378,6 +393,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerPullC
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeLength = 879;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCode =
@@ -407,6 +423,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerShoul
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeLength = 1002;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCode =
@@ -439,6 +456,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerCallP
 
 const JSC::ConstructAbility s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeLength = 90;
 static const JSC::Intrinsic s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsTransferBufferToCurrentRealmCode =
@@ -456,6 +474,7 @@ const char* const s_readableByteStreamInternalsTransferBufferToCurrentRealmCode
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamReaderKindCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamReaderKindCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamReaderKindCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableStreamReaderKindCodeLength = 266;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableStreamReaderKindCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableStreamReaderKindCode =
@@ -475,6 +494,7 @@ const char* const s_readableByteStreamInternalsReadableStreamReaderKindCode =
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeLength = 1690;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCode =
@@ -525,6 +545,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerEnque
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeLength = 303;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCode =
@@ -543,6 +564,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerEnque
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeLength = 619;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCode =
@@ -567,6 +589,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespo
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeLength = 411;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondCode =
@@ -587,6 +610,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespo
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeLength = 712;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCode =
@@ -610,6 +634,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespo
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeLength = 1440;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCode =
@@ -645,6 +670,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespo
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeLength = 730;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCode =
@@ -666,6 +692,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerRespo
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeLength = 712;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCode =
@@ -688,6 +715,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerProce
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeLength = 2359;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCode =
@@ -745,6 +773,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerFillD
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeLength = 222;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCode =
@@ -760,6 +789,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerShift
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeLength = 430;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCode =
@@ -778,6 +808,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerInval
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeLength = 662;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCode =
@@ -803,6 +834,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerCommi
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeLength = 381;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCode =
@@ -819,6 +851,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerConve
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeLength = 243;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCode =
@@ -832,6 +865,7 @@ const char* const s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequ
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeLength = 462;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableStreamBYOBReaderReadCode =
@@ -852,6 +886,7 @@ const char* const s_readableByteStreamInternalsReadableStreamBYOBReaderReadCode
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeLength = 2190;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCode =
@@ -927,6 +962,7 @@ const char* const s_readableByteStreamInternalsReadableByteStreamControllerPullI
 
 const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeLength = 430;
 static const JSC::Intrinsic s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCode =
diff --git a/src/bun.js/builtins/cpp/ReadableByteStreamInternalsBuiltins.h b/src/bun.js/builtins/cpp/ReadableByteStreamInternalsBuiltins.h
index 3bf0d406a..06ee280bf 100644
--- a/src/bun.js/builtins/cpp/ReadableByteStreamInternalsBuiltins.h
+++ b/src/bun.js/builtins/cpp/ReadableByteStreamInternalsBuiltins.h
@@ -51,146 +51,182 @@ extern const char* const s_readableByteStreamInternalsPrivateInitializeReadableB
 extern const int s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeLength;
 extern const JSC::ConstructAbility s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableByteStreamInternalsPrivateInitializeReadableByteStreamControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamByteStreamControllerStartCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsPrivateInitializeReadableStreamBYOBRequestCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsIsReadableByteStreamControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsIsReadableStreamBYOBRequestCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsIsReadableStreamBYOBReaderCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerCancelCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerClearPendingPullIntosCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerGetDesiredSizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamHasBYOBReaderCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamHasDefaultReaderCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerHandleQueueDrainCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerPullCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerShouldCallPullCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerCallPullIfNeededCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsTransferBufferToCurrentRealmCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamReaderKindCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerEnqueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerEnqueueChunkCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondWithNewViewCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondInternalCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondInReadableStateCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerRespondInClosedStateCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerProcessPullDescriptorsCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerFillDescriptorFromQueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerShiftPendingDescriptorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerInvalidateBYOBRequestCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerCommitDescriptorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerConvertDescriptorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamFulfillReadIntoRequestCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamBYOBReaderReadCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableByteStreamInternalsReadableByteStreamControllerPullIntoCodeImplementationVisibility;
 extern const char* const s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCode;
 extern const int s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeLength;
 extern const JSC::ConstructAbility s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableByteStreamInternalsReadableStreamAddReadIntoRequestCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_READABLEBYTESTREAMINTERNALS_BUILTIN_DATA(macro) \
     macro(privateInitializeReadableByteStreamController, readableByteStreamInternalsPrivateInitializeReadableByteStreamController, 3) \
@@ -390,7 +426,7 @@ inline JSC::UnlinkedFunctionExecutable* ReadableByteStreamInternalsBuiltinsWrapp
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ReadableStreamBYOBReaderBuiltins.cpp b/src/bun.js/builtins/cpp/ReadableStreamBYOBReaderBuiltins.cpp
index 81486dffe..e88fc8cf0 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamBYOBReaderBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ReadableStreamBYOBReaderBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeLength = 585;
 static const JSC::Intrinsic s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCode =
@@ -72,6 +73,7 @@ const char* const s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCo
 
 const JSC::ConstructAbility s_readableStreamBYOBReaderCancelCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBReaderCancelCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBReaderCancelCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBReaderCancelCodeLength = 410;
 static const JSC::Intrinsic s_readableStreamBYOBReaderCancelCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBReaderCancelCode =
@@ -91,6 +93,7 @@ const char* const s_readableStreamBYOBReaderCancelCode =
 
 const JSC::ConstructAbility s_readableStreamBYOBReaderReadCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBReaderReadCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBReaderReadCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBReaderReadCodeLength = 762;
 static const JSC::Intrinsic s_readableStreamBYOBReaderReadCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBReaderReadCode =
@@ -119,6 +122,7 @@ const char* const s_readableStreamBYOBReaderReadCode =
 
 const JSC::ConstructAbility s_readableStreamBYOBReaderReleaseLockCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBReaderReleaseLockCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBReaderReleaseLockCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBReaderReleaseLockCodeLength = 447;
 static const JSC::Intrinsic s_readableStreamBYOBReaderReleaseLockCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBReaderReleaseLockCode =
@@ -141,6 +145,7 @@ const char* const s_readableStreamBYOBReaderReleaseLockCode =
 
 const JSC::ConstructAbility s_readableStreamBYOBReaderClosedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBReaderClosedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBReaderClosedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBReaderClosedCodeLength = 251;
 static const JSC::Intrinsic s_readableStreamBYOBReaderClosedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBReaderClosedCode =
diff --git a/src/bun.js/builtins/cpp/ReadableStreamBYOBReaderBuiltins.h b/src/bun.js/builtins/cpp/ReadableStreamBYOBReaderBuiltins.h
index 0011df117..c1d1a4c7f 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamBYOBReaderBuiltins.h
+++ b/src/bun.js/builtins/cpp/ReadableStreamBYOBReaderBuiltins.h
@@ -51,22 +51,27 @@ extern const char* const s_readableStreamBYOBReaderInitializeReadableStreamBYOBR
 extern const int s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeLength;
 extern const JSC::ConstructAbility s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamBYOBReaderInitializeReadableStreamBYOBReaderCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamBYOBReaderCancelCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamBYOBReaderReadCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamBYOBReaderReleaseLockCodeImplementationVisibility;
 extern const char* const s_readableStreamBYOBReaderClosedCode;
 extern const int s_readableStreamBYOBReaderClosedCodeLength;
 extern const JSC::ConstructAbility s_readableStreamBYOBReaderClosedCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamBYOBReaderClosedCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamBYOBReaderClosedCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_READABLESTREAMBYOBREADER_BUILTIN_DATA(macro) \
     macro(initializeReadableStreamBYOBReader, readableStreamBYOBReaderInitializeReadableStreamBYOBReader, 1) \
@@ -142,7 +147,7 @@ inline JSC::UnlinkedFunctionExecutable* ReadableStreamBYOBReaderBuiltinsWrapper:
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ReadableStreamBYOBRequestBuiltins.cpp b/src/bun.js/builtins/cpp/ReadableStreamBYOBRequestBuiltins.cpp
index 1c4d9fdb3..f335694d7 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamBYOBRequestBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ReadableStreamBYOBRequestBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeLength = 306;
 static const JSC::Intrinsic s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCode =
@@ -65,6 +66,7 @@ const char* const s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequest
 
 const JSC::ConstructAbility s_readableStreamBYOBRequestRespondCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBRequestRespondCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBRequestRespondCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBRequestRespondCodeLength = 504;
 static const JSC::Intrinsic s_readableStreamBYOBRequestRespondCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBRequestRespondCode =
@@ -84,6 +86,7 @@ const char* const s_readableStreamBYOBRequestRespondCode =
 
 const JSC::ConstructAbility s_readableStreamBYOBRequestRespondWithNewViewCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBRequestRespondWithNewViewCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBRequestRespondWithNewViewCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBRequestRespondWithNewViewCodeLength = 691;
 static const JSC::Intrinsic s_readableStreamBYOBRequestRespondWithNewViewCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBRequestRespondWithNewViewCode =
@@ -109,6 +112,7 @@ const char* const s_readableStreamBYOBRequestRespondWithNewViewCode =
 
 const JSC::ConstructAbility s_readableStreamBYOBRequestViewCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamBYOBRequestViewCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamBYOBRequestViewCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamBYOBRequestViewCodeLength = 204;
 static const JSC::Intrinsic s_readableStreamBYOBRequestViewCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamBYOBRequestViewCode =
diff --git a/src/bun.js/builtins/cpp/ReadableStreamBYOBRequestBuiltins.h b/src/bun.js/builtins/cpp/ReadableStreamBYOBRequestBuiltins.h
index 8e8aedff3..a5549ad98 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamBYOBRequestBuiltins.h
+++ b/src/bun.js/builtins/cpp/ReadableStreamBYOBRequestBuiltins.h
@@ -51,18 +51,22 @@ extern const char* const s_readableStreamBYOBRequestInitializeReadableStreamBYOB
 extern const int s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeLength;
 extern const JSC::ConstructAbility s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamBYOBRequestInitializeReadableStreamBYOBRequestCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamBYOBRequestRespondCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamBYOBRequestRespondWithNewViewCodeImplementationVisibility;
 extern const char* const s_readableStreamBYOBRequestViewCode;
 extern const int s_readableStreamBYOBRequestViewCodeLength;
 extern const JSC::ConstructAbility s_readableStreamBYOBRequestViewCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamBYOBRequestViewCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamBYOBRequestViewCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_READABLESTREAMBYOBREQUEST_BUILTIN_DATA(macro) \
     macro(initializeReadableStreamBYOBRequest, readableStreamBYOBRequestInitializeReadableStreamBYOBRequest, 2) \
@@ -134,7 +138,7 @@ inline JSC::UnlinkedFunctionExecutable* ReadableStreamBYOBRequestBuiltinsWrapper
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ReadableStreamBuiltins.cpp b/src/bun.js/builtins/cpp/ReadableStreamBuiltins.cpp
index 8bfc7da7a..6dfba3a1d 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ReadableStreamBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_readableStreamInitializeReadableStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInitializeReadableStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInitializeReadableStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInitializeReadableStreamCodeLength = 3256;
 static const JSC::Intrinsic s_readableStreamInitializeReadableStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInitializeReadableStreamCode =
@@ -128,6 +129,7 @@ const char* const s_readableStreamInitializeReadableStreamCode =
 
 const JSC::ConstructAbility s_readableStreamReadableStreamToArrayCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamReadableStreamToArrayCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamReadableStreamToArrayCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamReadableStreamToArrayCodeLength = 294;
 static const JSC::Intrinsic s_readableStreamReadableStreamToArrayCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamReadableStreamToArrayCode =
@@ -146,6 +148,7 @@ const char* const s_readableStreamReadableStreamToArrayCode =
 
 const JSC::ConstructAbility s_readableStreamReadableStreamToTextCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamReadableStreamToTextCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamReadableStreamToTextCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamReadableStreamToTextCodeLength = 292;
 static const JSC::Intrinsic s_readableStreamReadableStreamToTextCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamReadableStreamToTextCode =
@@ -164,6 +167,7 @@ const char* const s_readableStreamReadableStreamToTextCode =
 
 const JSC::ConstructAbility s_readableStreamReadableStreamToArrayBufferCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamReadableStreamToArrayBufferCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamReadableStreamToArrayBufferCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamReadableStreamToArrayBufferCodeLength = 354;
 static const JSC::Intrinsic s_readableStreamReadableStreamToArrayBufferCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamReadableStreamToArrayBufferCode =
@@ -183,6 +187,7 @@ const char* const s_readableStreamReadableStreamToArrayBufferCode =
 
 const JSC::ConstructAbility s_readableStreamReadableStreamToJSONCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamReadableStreamToJSONCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamReadableStreamToJSONCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamReadableStreamToJSONCodeLength = 128;
 static const JSC::Intrinsic s_readableStreamReadableStreamToJSONCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamReadableStreamToJSONCode =
@@ -195,6 +200,7 @@ const char* const s_readableStreamReadableStreamToJSONCode =
 
 const JSC::ConstructAbility s_readableStreamReadableStreamToBlobCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamReadableStreamToBlobCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamReadableStreamToBlobCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamReadableStreamToBlobCodeLength = 149;
 static const JSC::Intrinsic s_readableStreamReadableStreamToBlobCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamReadableStreamToBlobCode =
@@ -206,6 +212,7 @@ const char* const s_readableStreamReadableStreamToBlobCode =
 
 const JSC::ConstructAbility s_readableStreamConsumeReadableStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamConsumeReadableStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamConsumeReadableStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamConsumeReadableStreamCodeLength = 3718;
 static const JSC::Intrinsic s_readableStreamConsumeReadableStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamConsumeReadableStreamCode =
@@ -328,6 +335,7 @@ const char* const s_readableStreamConsumeReadableStreamCode =
 
 const JSC::ConstructAbility s_readableStreamCreateEmptyReadableStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamCreateEmptyReadableStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamCreateEmptyReadableStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamCreateEmptyReadableStreamCodeLength = 156;
 static const JSC::Intrinsic s_readableStreamCreateEmptyReadableStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamCreateEmptyReadableStreamCode =
@@ -344,6 +352,7 @@ const char* const s_readableStreamCreateEmptyReadableStreamCode =
 
 const JSC::ConstructAbility s_readableStreamCreateNativeReadableStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamCreateNativeReadableStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamCreateNativeReadableStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamCreateNativeReadableStreamCodeLength = 266;
 static const JSC::Intrinsic s_readableStreamCreateNativeReadableStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamCreateNativeReadableStreamCode =
@@ -360,6 +369,7 @@ const char* const s_readableStreamCreateNativeReadableStreamCode =
 
 const JSC::ConstructAbility s_readableStreamCancelCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamCancelCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamCancelCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamCancelCodeLength = 324;
 static const JSC::Intrinsic s_readableStreamCancelCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamCancelCode =
@@ -379,6 +389,7 @@ const char* const s_readableStreamCancelCode =
 
 const JSC::ConstructAbility s_readableStreamGetReaderCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamGetReaderCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamGetReaderCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamGetReaderCodeLength = 680;
 static const JSC::Intrinsic s_readableStreamGetReaderCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamGetReaderCode =
@@ -411,6 +422,7 @@ const char* const s_readableStreamGetReaderCode =
 
 const JSC::ConstructAbility s_readableStreamPipeThroughCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamPipeThroughCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamPipeThroughCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamPipeThroughCodeLength = 1485;
 static const JSC::Intrinsic s_readableStreamPipeThroughCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamPipeThroughCode =
@@ -463,6 +475,7 @@ const char* const s_readableStreamPipeThroughCode =
 
 const JSC::ConstructAbility s_readableStreamPipeToCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamPipeToCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamPipeToCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamPipeToCodeLength = 1523;
 static const JSC::Intrinsic s_readableStreamPipeToCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamPipeToCode =
@@ -515,6 +528,7 @@ const char* const s_readableStreamPipeToCode =
 
 const JSC::ConstructAbility s_readableStreamTeeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamTeeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamTeeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamTeeCodeLength = 175;
 static const JSC::Intrinsic s_readableStreamTeeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamTeeCode =
@@ -531,6 +545,7 @@ const char* const s_readableStreamTeeCode =
 
 const JSC::ConstructAbility s_readableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamLockedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamLockedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamLockedCodeLength = 178;
 static const JSC::Intrinsic s_readableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamLockedCode =
diff --git a/src/bun.js/builtins/cpp/ReadableStreamBuiltins.h b/src/bun.js/builtins/cpp/ReadableStreamBuiltins.h
index a27974eed..4a7935e83 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamBuiltins.h
+++ b/src/bun.js/builtins/cpp/ReadableStreamBuiltins.h
@@ -51,62 +51,77 @@ 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 JSC::ImplementationVisibility s_readableStreamInitializeReadableStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamReadableStreamToArrayCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamReadableStreamToTextCodeImplementationVisibility;
 extern const char* const s_readableStreamReadableStreamToArrayBufferCode;
 extern const int s_readableStreamReadableStreamToArrayBufferCodeLength;
 extern const JSC::ConstructAbility s_readableStreamReadableStreamToArrayBufferCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamReadableStreamToArrayBufferCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamReadableStreamToArrayBufferCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamReadableStreamToJSONCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamReadableStreamToBlobCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamConsumeReadableStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamCreateEmptyReadableStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamCreateNativeReadableStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamCancelCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamGetReaderCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamPipeThroughCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamPipeToCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamTeeCodeImplementationVisibility;
 extern const char* const s_readableStreamLockedCode;
 extern const int s_readableStreamLockedCodeLength;
 extern const JSC::ConstructAbility s_readableStreamLockedCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamLockedCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamLockedCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_READABLESTREAM_BUILTIN_DATA(macro) \
     macro(initializeReadableStream, readableStreamInitializeReadableStream, 2) \
@@ -222,7 +237,7 @@ inline JSC::UnlinkedFunctionExecutable* ReadableStreamBuiltinsWrapper::name##Exe
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ReadableStreamDefaultControllerBuiltins.cpp b/src/bun.js/builtins/cpp/ReadableStreamDefaultControllerBuiltins.cpp
index a7be93e52..e72bb4c06 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamDefaultControllerBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ReadableStreamDefaultControllerBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeLength = 376;
 static const JSC::Intrinsic s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCode =
@@ -65,6 +66,7 @@ const char* const s_readableStreamDefaultControllerInitializeReadableStreamDefau
 
 const JSC::ConstructAbility s_readableStreamDefaultControllerEnqueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultControllerEnqueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultControllerEnqueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultControllerEnqueueCodeLength = 412;
 static const JSC::Intrinsic s_readableStreamDefaultControllerEnqueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultControllerEnqueueCode =
@@ -84,6 +86,7 @@ const char* const s_readableStreamDefaultControllerEnqueueCode =
 
 const JSC::ConstructAbility s_readableStreamDefaultControllerErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultControllerErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultControllerErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultControllerErrorCodeLength = 228;
 static const JSC::Intrinsic s_readableStreamDefaultControllerErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultControllerErrorCode =
@@ -100,6 +103,7 @@ const char* const s_readableStreamDefaultControllerErrorCode =
 
 const JSC::ConstructAbility s_readableStreamDefaultControllerCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultControllerCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultControllerCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultControllerCloseCodeLength = 384;
 static const JSC::Intrinsic s_readableStreamDefaultControllerCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultControllerCloseCode =
@@ -119,6 +123,7 @@ const char* const s_readableStreamDefaultControllerCloseCode =
 
 const JSC::ConstructAbility s_readableStreamDefaultControllerDesiredSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultControllerDesiredSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultControllerDesiredSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultControllerDesiredSizeCodeLength = 240;
 static const JSC::Intrinsic s_readableStreamDefaultControllerDesiredSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultControllerDesiredSizeCode =
diff --git a/src/bun.js/builtins/cpp/ReadableStreamDefaultControllerBuiltins.h b/src/bun.js/builtins/cpp/ReadableStreamDefaultControllerBuiltins.h
index 625da2f88..5ae59810a 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamDefaultControllerBuiltins.h
+++ b/src/bun.js/builtins/cpp/ReadableStreamDefaultControllerBuiltins.h
@@ -51,22 +51,27 @@ extern const char* const s_readableStreamDefaultControllerInitializeReadableStre
 extern const int s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeLength;
 extern const JSC::ConstructAbility s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamDefaultControllerInitializeReadableStreamDefaultControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamDefaultControllerEnqueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamDefaultControllerErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamDefaultControllerCloseCodeImplementationVisibility;
 extern const char* const s_readableStreamDefaultControllerDesiredSizeCode;
 extern const int s_readableStreamDefaultControllerDesiredSizeCodeLength;
 extern const JSC::ConstructAbility s_readableStreamDefaultControllerDesiredSizeCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamDefaultControllerDesiredSizeCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamDefaultControllerDesiredSizeCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_READABLESTREAMDEFAULTCONTROLLER_BUILTIN_DATA(macro) \
     macro(initializeReadableStreamDefaultController, readableStreamDefaultControllerInitializeReadableStreamDefaultController, 4) \
@@ -142,7 +147,7 @@ inline JSC::UnlinkedFunctionExecutable* ReadableStreamDefaultControllerBuiltinsW
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ReadableStreamDefaultReaderBuiltins.cpp b/src/bun.js/builtins/cpp/ReadableStreamDefaultReaderBuiltins.cpp
index 9a8935324..09f7d7e19 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamDefaultReaderBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ReadableStreamDefaultReaderBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeLength = 393;
 static const JSC::Intrinsic s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCode =
@@ -70,6 +71,7 @@ const char* const s_readableStreamDefaultReaderInitializeReadableStreamDefaultRe
 
 const JSC::ConstructAbility s_readableStreamDefaultReaderCancelCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultReaderCancelCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultReaderCancelCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultReaderCancelCodeLength = 416;
 static const JSC::Intrinsic s_readableStreamDefaultReaderCancelCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultReaderCancelCode =
@@ -89,6 +91,7 @@ const char* const s_readableStreamDefaultReaderCancelCode =
 
 const JSC::ConstructAbility s_readableStreamDefaultReaderReadManyCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultReaderReadManyCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultReaderReadManyCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultReaderReadManyCodeLength = 3712;
 static const JSC::Intrinsic s_readableStreamDefaultReaderReadManyCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultReaderReadManyCode =
@@ -195,6 +198,7 @@ const char* const s_readableStreamDefaultReaderReadManyCode =
 
 const JSC::ConstructAbility s_readableStreamDefaultReaderReadCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultReaderReadCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultReaderReadCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultReaderReadCodeLength = 395;
 static const JSC::Intrinsic s_readableStreamDefaultReaderReadCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultReaderReadCode =
@@ -213,6 +217,7 @@ const char* const s_readableStreamDefaultReaderReadCode =
 
 const JSC::ConstructAbility s_readableStreamDefaultReaderReleaseLockCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultReaderReleaseLockCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultReaderReleaseLockCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultReaderReleaseLockCodeLength = 449;
 static const JSC::Intrinsic s_readableStreamDefaultReaderReleaseLockCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultReaderReleaseLockCode =
@@ -235,6 +240,7 @@ const char* const s_readableStreamDefaultReaderReleaseLockCode =
 
 const JSC::ConstructAbility s_readableStreamDefaultReaderClosedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamDefaultReaderClosedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamDefaultReaderClosedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamDefaultReaderClosedCodeLength = 257;
 static const JSC::Intrinsic s_readableStreamDefaultReaderClosedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamDefaultReaderClosedCode =
diff --git a/src/bun.js/builtins/cpp/ReadableStreamDefaultReaderBuiltins.h b/src/bun.js/builtins/cpp/ReadableStreamDefaultReaderBuiltins.h
index 1dc33a831..b883be6b8 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamDefaultReaderBuiltins.h
+++ b/src/bun.js/builtins/cpp/ReadableStreamDefaultReaderBuiltins.h
@@ -51,26 +51,32 @@ extern const char* const s_readableStreamDefaultReaderInitializeReadableStreamDe
 extern const int s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeLength;
 extern const JSC::ConstructAbility s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamDefaultReaderInitializeReadableStreamDefaultReaderCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamDefaultReaderCancelCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamDefaultReaderReadManyCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamDefaultReaderReadCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamDefaultReaderReleaseLockCodeImplementationVisibility;
 extern const char* const s_readableStreamDefaultReaderClosedCode;
 extern const int s_readableStreamDefaultReaderClosedCodeLength;
 extern const JSC::ConstructAbility s_readableStreamDefaultReaderClosedCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamDefaultReaderClosedCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamDefaultReaderClosedCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_READABLESTREAMDEFAULTREADER_BUILTIN_DATA(macro) \
     macro(initializeReadableStreamDefaultReader, readableStreamDefaultReaderInitializeReadableStreamDefaultReader, 1) \
@@ -150,7 +156,7 @@ inline JSC::UnlinkedFunctionExecutable* ReadableStreamDefaultReaderBuiltinsWrapp
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/ReadableStreamInternalsBuiltins.cpp b/src/bun.js/builtins/cpp/ReadableStreamInternalsBuiltins.cpp
index 934ef3b9b..205b87774 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamInternalsBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/ReadableStreamInternalsBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeLength = 788;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamReaderGenericInitializeCode =
@@ -80,6 +81,7 @@ const char* const s_readableStreamInternalsReadableStreamReaderGenericInitialize
 
 const JSC::ConstructAbility s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeLength = 873;
 static const JSC::Intrinsic s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCode =
@@ -117,6 +119,7 @@ const char* const s_readableStreamInternalsPrivateInitializeReadableStreamDefaul
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeLength = 305;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerErrorCode =
@@ -133,6 +136,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerErrorC
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamPipeToCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamPipeToCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamPipeToCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamPipeToCodeLength = 739;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamPipeToCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamPipeToCode =
@@ -175,6 +179,7 @@ const char* const s_readableStreamInternalsReadableStreamPipeToCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeLength = 190;
 static const JSC::Intrinsic s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsAcquireReadableStreamDefaultReaderCode =
@@ -191,6 +196,7 @@ const char* const s_readableStreamInternalsAcquireReadableStreamDefaultReaderCod
 
 const JSC::ConstructAbility s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeLength = 975;
 static const JSC::Intrinsic s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsSetupReadableStreamDefaultControllerCode =
@@ -238,6 +244,7 @@ const char* const s_readableStreamInternalsSetupReadableStreamDefaultControllerC
 
 const JSC::ConstructAbility s_readableStreamInternalsCreateReadableStreamControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsCreateReadableStreamControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsCreateReadableStreamControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsCreateReadableStreamControllerCodeLength = 1243;
 static const JSC::Intrinsic s_readableStreamInternalsCreateReadableStreamControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsCreateReadableStreamControllerCode =
@@ -292,6 +299,7 @@ const char* const s_readableStreamInternalsCreateReadableStreamControllerCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerStartCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerStartCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerStartCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerStartCodeLength = 762;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerStartCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerStartCode =
@@ -325,6 +333,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerStartC
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeLength = 3257;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamPipeToWritableStreamCode =
@@ -437,6 +446,7 @@ const char* const s_readableStreamInternalsReadableStreamPipeToWritableStreamCod
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToLoopCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToLoopCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToLoopCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToLoopCodeLength = 180;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToLoopCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToLoopCode =
@@ -452,6 +462,7 @@ const char* const s_readableStreamInternalsPipeToLoopCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToDoReadWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToDoReadWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToDoReadWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToDoReadWriteCodeLength = 1296;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToDoReadWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToDoReadWriteCode =
@@ -507,6 +518,7 @@ const char* const s_readableStreamInternalsPipeToDoReadWriteCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeLength = 687;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCode =
@@ -541,6 +553,7 @@ const char* const s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCo
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeLength = 598;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCode =
@@ -571,6 +584,7 @@ const char* const s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardC
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeLength = 673;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCode =
@@ -600,6 +614,7 @@ const char* const s_readableStreamInternalsPipeToClosingMustBePropagatedForwardC
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeLength = 492;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCode =
@@ -628,6 +643,7 @@ const char* const s_readableStreamInternalsPipeToClosingMustBePropagatedBackward
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToShutdownWithActionCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToShutdownWithActionCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToShutdownWithActionCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToShutdownWithActionCodeLength = 850;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToShutdownWithActionCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToShutdownWithActionCode =
@@ -672,6 +688,7 @@ const char* const s_readableStreamInternalsPipeToShutdownWithActionCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToShutdownCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToShutdownCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToShutdownCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToShutdownCodeLength = 692;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToShutdownCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToShutdownCode =
@@ -707,6 +724,7 @@ const char* const s_readableStreamInternalsPipeToShutdownCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsPipeToFinalizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsPipeToFinalizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsPipeToFinalizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsPipeToFinalizeCodeLength = 349;
 static const JSC::Intrinsic s_readableStreamInternalsPipeToFinalizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsPipeToFinalizeCode =
@@ -727,6 +745,7 @@ const char* const s_readableStreamInternalsPipeToFinalizeCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamTeeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamTeeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamTeeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamTeeCodeLength = 1689;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamTeeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamTeeCode =
@@ -801,6 +820,7 @@ const char* const s_readableStreamInternalsReadableStreamTeeCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamTeePullFunctionCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamTeePullFunctionCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamTeePullFunctionCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamTeePullFunctionCodeLength = 1336;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamTeePullFunctionCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamTeePullFunctionCode =
@@ -847,6 +867,7 @@ const char* const s_readableStreamInternalsReadableStreamTeePullFunctionCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeLength = 442;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCode =
@@ -872,6 +893,7 @@ const char* const s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctio
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeLength = 442;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCode =
@@ -897,6 +919,7 @@ const char* const s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctio
 
 const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsIsReadableStreamCodeLength = 174;
 static const JSC::Intrinsic s_readableStreamInternalsIsReadableStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsIsReadableStreamCode =
@@ -915,6 +938,7 @@ const char* const s_readableStreamInternalsIsReadableStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamDefaultReaderCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamDefaultReaderCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamDefaultReaderCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsIsReadableStreamDefaultReaderCodeLength = 135;
 static const JSC::Intrinsic s_readableStreamInternalsIsReadableStreamDefaultReaderCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsIsReadableStreamDefaultReaderCode =
@@ -930,6 +954,7 @@ const char* const s_readableStreamInternalsIsReadableStreamDefaultReaderCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsIsReadableStreamDefaultControllerCodeLength = 170;
 static const JSC::Intrinsic s_readableStreamInternalsIsReadableStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsIsReadableStreamDefaultControllerCode =
@@ -949,6 +974,7 @@ const char* const s_readableStreamInternalsIsReadableStreamDefaultControllerCode
 
 const JSC::ConstructAbility s_readableStreamInternalsReadDirectStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadDirectStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadDirectStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadDirectStreamCodeLength = 1534;
 static const JSC::Intrinsic s_readableStreamInternalsReadDirectStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadDirectStreamCode =
@@ -1023,6 +1049,7 @@ const char* const s_readableStreamInternalsReadDirectStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsAssignToStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsAssignToStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsAssignToStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsAssignToStreamCodeLength = 438;
 static const JSC::Intrinsic s_readableStreamInternalsAssignToStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsAssignToStreamCode =
@@ -1053,6 +1080,7 @@ const char* const s_readableStreamInternalsAssignToStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadStreamIntoSinkCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadStreamIntoSinkCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadStreamIntoSinkCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadStreamIntoSinkCodeLength = 2795;
 static const JSC::Intrinsic s_readableStreamInternalsReadStreamIntoSinkCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadStreamIntoSinkCode =
@@ -1178,6 +1206,7 @@ const char* const s_readableStreamInternalsReadStreamIntoSinkCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsHandleDirectStreamErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsHandleDirectStreamErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsHandleDirectStreamErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsHandleDirectStreamErrorCodeLength = 774;
 static const JSC::Intrinsic s_readableStreamInternalsHandleDirectStreamErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsHandleDirectStreamErrorCode =
@@ -1220,6 +1249,7 @@ const char* const s_readableStreamInternalsHandleDirectStreamErrorCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsHandleDirectStreamErrorRejectCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsHandleDirectStreamErrorRejectCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsHandleDirectStreamErrorRejectCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsHandleDirectStreamErrorRejectCodeLength = 92;
 static const JSC::Intrinsic s_readableStreamInternalsHandleDirectStreamErrorRejectCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsHandleDirectStreamErrorRejectCode =
@@ -1231,6 +1261,7 @@ const char* const s_readableStreamInternalsHandleDirectStreamErrorRejectCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsOnPullDirectStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsOnPullDirectStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsOnPullDirectStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsOnPullDirectStreamCodeLength = 1503;
 static const JSC::Intrinsic s_readableStreamInternalsOnPullDirectStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsOnPullDirectStreamCode =
@@ -1306,6 +1337,7 @@ const char* const s_readableStreamInternalsOnPullDirectStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsNoopDoneFunctionCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsNoopDoneFunctionCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsNoopDoneFunctionCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsNoopDoneFunctionCodeLength = 81;
 static const JSC::Intrinsic s_readableStreamInternalsNoopDoneFunctionCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsNoopDoneFunctionCode =
@@ -1316,6 +1348,7 @@ const char* const s_readableStreamInternalsNoopDoneFunctionCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeLength = 107;
 static const JSC::Intrinsic s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsOnReadableStreamDirectControllerClosedCode =
@@ -1327,6 +1360,7 @@ const char* const s_readableStreamInternalsOnReadableStreamDirectControllerClose
 
 const JSC::ConstructAbility s_readableStreamInternalsOnCloseDirectStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsOnCloseDirectStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsOnCloseDirectStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsOnCloseDirectStreamCodeLength = 2190;
 static const JSC::Intrinsic s_readableStreamInternalsOnCloseDirectStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsOnCloseDirectStreamCode =
@@ -1414,6 +1448,7 @@ const char* const s_readableStreamInternalsOnCloseDirectStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsOnFlushDirectStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsOnFlushDirectStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsOnFlushDirectStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsOnFlushDirectStreamCodeLength = 929;
 static const JSC::Intrinsic s_readableStreamInternalsOnFlushDirectStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsOnFlushDirectStreamCode =
@@ -1452,6 +1487,7 @@ const char* const s_readableStreamInternalsOnFlushDirectStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsCreateTextStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsCreateTextStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsCreateTextStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsCreateTextStreamCodeLength = 2393;
 static const JSC::Intrinsic s_readableStreamInternalsCreateTextStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsCreateTextStreamCode =
@@ -1573,6 +1609,7 @@ const char* const s_readableStreamInternalsCreateTextStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsInitializeTextStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsInitializeTextStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsInitializeTextStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsInitializeTextStreamCodeLength = 822;
 static const JSC::Intrinsic s_readableStreamInternalsInitializeTextStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsInitializeTextStreamCode =
@@ -1607,6 +1644,7 @@ const char* const s_readableStreamInternalsInitializeTextStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsInitializeArrayStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsInitializeArrayStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsInitializeArrayStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsInitializeArrayStreamCodeLength = 1330;
 static const JSC::Intrinsic s_readableStreamInternalsInitializeArrayStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsInitializeArrayStreamCode =
@@ -1675,6 +1713,7 @@ const char* const s_readableStreamInternalsInitializeArrayStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsInitializeArrayBufferStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsInitializeArrayBufferStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsInitializeArrayBufferStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsInitializeArrayBufferStreamCodeLength = 1005;
 static const JSC::Intrinsic s_readableStreamInternalsInitializeArrayBufferStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsInitializeArrayBufferStreamCode =
@@ -1718,6 +1757,7 @@ const char* const s_readableStreamInternalsInitializeArrayBufferStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamErrorCodeLength = 1212;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamErrorCode =
@@ -1760,6 +1800,7 @@ const char* const s_readableStreamInternalsReadableStreamErrorCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeLength = 700;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCode =
@@ -1789,6 +1830,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerShould
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeLength = 1277;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCode =
@@ -1838,6 +1880,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerCallPu
 
 const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamLockedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamLockedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsIsReadableStreamLockedCodeLength = 131;
 static const JSC::Intrinsic s_readableStreamInternalsIsReadableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsIsReadableStreamLockedCode =
@@ -1851,6 +1894,7 @@ const char* const s_readableStreamInternalsIsReadableStreamLockedCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeLength = 403;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCode =
@@ -1872,6 +1916,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerGetDes
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamReaderGenericCancelCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamReaderGenericCancelCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamReaderGenericCancelCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamReaderGenericCancelCodeLength = 189;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamReaderGenericCancelCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamReaderGenericCancelCode =
@@ -1886,6 +1931,7 @@ const char* const s_readableStreamInternalsReadableStreamReaderGenericCancelCode
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamCancelCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamCancelCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamCancelCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamCancelCodeLength = 505;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamCancelCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamCancelCode =
@@ -1906,6 +1952,7 @@ const char* const s_readableStreamInternalsReadableStreamCancelCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeLength = 213;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerCancelCode =
@@ -1922,6 +1969,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerCancel
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerPullCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerPullCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerPullCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerPullCodeLength = 751;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerPullCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerPullCode =
@@ -1952,6 +2000,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerPullCo
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeLength = 351;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerCloseCode =
@@ -1969,6 +2018,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerCloseC
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamCloseCodeLength = 883;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamCloseCode =
@@ -2007,6 +2057,7 @@ const char* const s_readableStreamInternalsReadableStreamCloseCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamFulfillReadRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamFulfillReadRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamFulfillReadRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamFulfillReadRequestCodeLength = 237;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamFulfillReadRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamFulfillReadRequestCode =
@@ -2022,6 +2073,7 @@ const char* const s_readableStreamInternalsReadableStreamFulfillReadRequestCode
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeLength = 986;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCode =
@@ -2063,6 +2115,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerEnqueu
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultReaderReadCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultReaderReadCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultReaderReadCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultReaderReadCodeLength = 631;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultReaderReadCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultReaderReadCode =
@@ -2088,6 +2141,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultReaderReadCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamAddReadRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamAddReadRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamAddReadRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamAddReadRequestCodeLength = 377;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamAddReadRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamAddReadRequestCode =
@@ -2112,6 +2166,7 @@ const char* const s_readableStreamInternalsReadableStreamAddReadRequestCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsIsReadableStreamDisturbedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsIsReadableStreamDisturbedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamDisturbedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsIsReadableStreamDisturbedCodeLength = 132;
 static const JSC::Intrinsic s_readableStreamInternalsIsReadableStreamDisturbedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsIsReadableStreamDisturbedCode =
@@ -2125,6 +2180,7 @@ const char* const s_readableStreamInternalsIsReadableStreamDisturbedCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeLength = 1083;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamReaderGenericReleaseCode =
@@ -2174,6 +2230,7 @@ const char* const s_readableStreamInternalsReadableStreamReaderGenericReleaseCod
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeLength = 257;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCode =
@@ -2192,6 +2249,7 @@ const char* const s_readableStreamInternalsReadableStreamDefaultControllerCanClo
 
 const JSC::ConstructAbility s_readableStreamInternalsLazyLoadStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsLazyLoadStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsLazyLoadStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsLazyLoadStreamCodeLength = 2505;
 static const JSC::Intrinsic s_readableStreamInternalsLazyLoadStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsLazyLoadStreamCode =
@@ -2291,6 +2349,7 @@ const char* const s_readableStreamInternalsLazyLoadStreamCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamIntoArrayCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamIntoArrayCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamIntoArrayCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamIntoArrayCodeLength = 578;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamIntoArrayCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamIntoArrayCode =
@@ -2328,6 +2387,7 @@ const char* const s_readableStreamInternalsReadableStreamIntoArrayCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamIntoTextCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamIntoTextCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamIntoTextCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamIntoTextCodeLength = 333;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamIntoTextCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamIntoTextCode =
@@ -2347,6 +2407,7 @@ const char* const s_readableStreamInternalsReadableStreamIntoTextCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeLength = 1543;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamToArrayBufferDirectCode =
@@ -2415,6 +2476,7 @@ const char* const s_readableStreamInternalsReadableStreamToArrayBufferDirectCode
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamToTextDirectCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamToTextDirectCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamToTextDirectCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamToTextDirectCodeLength = 496;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamToTextDirectCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamToTextDirectCode =
@@ -2446,6 +2508,7 @@ const char* const s_readableStreamInternalsReadableStreamToTextDirectCode =
 
 const JSC::ConstructAbility s_readableStreamInternalsReadableStreamToArrayDirectCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_readableStreamInternalsReadableStreamToArrayDirectCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamToArrayDirectCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_readableStreamInternalsReadableStreamToArrayDirectCodeLength = 667;
 static const JSC::Intrinsic s_readableStreamInternalsReadableStreamToArrayDirectCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_readableStreamInternalsReadableStreamToArrayDirectCode =
diff --git a/src/bun.js/builtins/cpp/ReadableStreamInternalsBuiltins.h b/src/bun.js/builtins/cpp/ReadableStreamInternalsBuiltins.h
index 533e6558b..335637c81 100644
--- a/src/bun.js/builtins/cpp/ReadableStreamInternalsBuiltins.h
+++ b/src/bun.js/builtins/cpp/ReadableStreamInternalsBuiltins.h
@@ -51,254 +51,317 @@ extern const char* const s_readableStreamInternalsReadableStreamReaderGenericIni
 extern const int s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamReaderGenericInitializeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPrivateInitializeReadableStreamDefaultControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamPipeToCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsAcquireReadableStreamDefaultReaderCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsSetupReadableStreamDefaultControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsCreateReadableStreamControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerStartCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamPipeToWritableStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToLoopCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToDoReadWriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToErrorsMustBePropagatedForwardCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToErrorsMustBePropagatedBackwardCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToClosingMustBePropagatedForwardCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToClosingMustBePropagatedBackwardCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToShutdownWithActionCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToShutdownCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsPipeToFinalizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamTeeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamTeePullFunctionCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamTeeBranch1CancelFunctionCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamTeeBranch2CancelFunctionCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamDefaultReaderCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamDefaultControllerCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsReadDirectStreamCode;
 extern const int s_readableStreamInternalsReadDirectStreamCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsReadDirectStreamCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsReadDirectStreamCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsReadDirectStreamCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsAssignToStreamCode;
 extern const int s_readableStreamInternalsAssignToStreamCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsAssignToStreamCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsAssignToStreamCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsAssignToStreamCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsReadStreamIntoSinkCode;
 extern const int s_readableStreamInternalsReadStreamIntoSinkCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsReadStreamIntoSinkCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsReadStreamIntoSinkCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsReadStreamIntoSinkCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsHandleDirectStreamErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsHandleDirectStreamErrorRejectCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsOnPullDirectStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsNoopDoneFunctionCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsOnReadableStreamDirectControllerClosedCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsOnCloseDirectStreamCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsOnFlushDirectStreamCode;
 extern const int s_readableStreamInternalsOnFlushDirectStreamCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsOnFlushDirectStreamCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsOnFlushDirectStreamCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsOnFlushDirectStreamCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsCreateTextStreamCode;
 extern const int s_readableStreamInternalsCreateTextStreamCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsCreateTextStreamCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsCreateTextStreamCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsCreateTextStreamCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsInitializeTextStreamCode;
 extern const int s_readableStreamInternalsInitializeTextStreamCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsInitializeTextStreamCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsInitializeTextStreamCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsInitializeTextStreamCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsInitializeArrayStreamCode;
 extern const int s_readableStreamInternalsInitializeArrayStreamCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsInitializeArrayStreamCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsInitializeArrayStreamCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsInitializeArrayStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsInitializeArrayBufferStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerShouldCallPullCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerCallPullIfNeededCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamLockedCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerGetDesiredSizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamReaderGenericCancelCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamCancelCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerCancelCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerPullCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamFulfillReadRequestCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerEnqueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultReaderReadCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamAddReadRequestCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsIsReadableStreamDisturbedCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamReaderGenericReleaseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamDefaultControllerCanCloseOrEnqueueCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsLazyLoadStreamCode;
 extern const int s_readableStreamInternalsLazyLoadStreamCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsLazyLoadStreamCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsLazyLoadStreamCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsLazyLoadStreamCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsReadableStreamIntoArrayCode;
 extern const int s_readableStreamInternalsReadableStreamIntoArrayCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamIntoArrayCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamIntoArrayCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamIntoArrayCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsReadableStreamIntoTextCode;
 extern const int s_readableStreamInternalsReadableStreamIntoTextCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamIntoTextCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamIntoTextCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamIntoTextCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsReadableStreamToArrayBufferDirectCode;
 extern const int s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamToArrayBufferDirectCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsReadableStreamToTextDirectCode;
 extern const int s_readableStreamInternalsReadableStreamToTextDirectCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamToTextDirectCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamToTextDirectCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamToTextDirectCodeImplementationVisibility;
 extern const char* const s_readableStreamInternalsReadableStreamToArrayDirectCode;
 extern const int s_readableStreamInternalsReadableStreamToArrayDirectCodeLength;
 extern const JSC::ConstructAbility s_readableStreamInternalsReadableStreamToArrayDirectCodeConstructAbility;
 extern const JSC::ConstructorKind s_readableStreamInternalsReadableStreamToArrayDirectCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_readableStreamInternalsReadableStreamToArrayDirectCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_READABLESTREAMINTERNALS_BUILTIN_DATA(macro) \
     macro(readableStreamReaderGenericInitialize, readableStreamInternalsReadableStreamReaderGenericInitialize, 2) \
@@ -606,7 +669,7 @@ inline JSC::UnlinkedFunctionExecutable* ReadableStreamInternalsBuiltinsWrapper::
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/StreamInternalsBuiltins.cpp b/src/bun.js/builtins/cpp/StreamInternalsBuiltins.cpp
index 2203ed2f2..abc7ee822 100644
--- a/src/bun.js/builtins/cpp/StreamInternalsBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/StreamInternalsBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_streamInternalsMarkPromiseAsHandledCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsMarkPromiseAsHandledCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsMarkPromiseAsHandledCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsMarkPromiseAsHandledCodeLength = 217;
 static const JSC::Intrinsic s_streamInternalsMarkPromiseAsHandledCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsMarkPromiseAsHandledCode =
@@ -63,6 +64,7 @@ const char* const s_streamInternalsMarkPromiseAsHandledCode =
 
 const JSC::ConstructAbility s_streamInternalsShieldingPromiseResolveCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsShieldingPromiseResolveCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsShieldingPromiseResolveCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsShieldingPromiseResolveCodeLength = 198;
 static const JSC::Intrinsic s_streamInternalsShieldingPromiseResolveCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsShieldingPromiseResolveCode =
@@ -79,6 +81,7 @@ const char* const s_streamInternalsShieldingPromiseResolveCode =
 
 const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeLength = 190;
 static const JSC::Intrinsic s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCode =
@@ -94,6 +97,7 @@ const char* const s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCode =
 
 const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrNoopNoCatchCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrNoopNoCatchCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrNoopNoCatchCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsPromiseInvokeOrNoopNoCatchCodeLength = 127;
 static const JSC::Intrinsic s_streamInternalsPromiseInvokeOrNoopNoCatchCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsPromiseInvokeOrNoopNoCatchCode =
@@ -107,6 +111,7 @@ const char* const s_streamInternalsPromiseInvokeOrNoopNoCatchCode =
 
 const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrNoopMethodCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrNoopMethodCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrNoopMethodCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsPromiseInvokeOrNoopMethodCodeLength = 210;
 static const JSC::Intrinsic s_streamInternalsPromiseInvokeOrNoopMethodCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsPromiseInvokeOrNoopMethodCode =
@@ -125,6 +130,7 @@ const char* const s_streamInternalsPromiseInvokeOrNoopMethodCode =
 
 const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrNoopCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrNoopCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrNoopCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsPromiseInvokeOrNoopCodeLength = 198;
 static const JSC::Intrinsic s_streamInternalsPromiseInvokeOrNoopCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsPromiseInvokeOrNoopCode =
@@ -143,6 +149,7 @@ const char* const s_streamInternalsPromiseInvokeOrNoopCode =
 
 const JSC::ConstructAbility s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeLength = 362;
 static const JSC::Intrinsic s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsPromiseInvokeOrFallbackOrNoopCode =
@@ -164,6 +171,7 @@ const char* const s_streamInternalsPromiseInvokeOrFallbackOrNoopCode =
 
 const JSC::ConstructAbility s_streamInternalsValidateAndNormalizeQueuingStrategyCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsValidateAndNormalizeQueuingStrategyCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsValidateAndNormalizeQueuingStrategyCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsValidateAndNormalizeQueuingStrategyCodeLength = 430;
 static const JSC::Intrinsic s_streamInternalsValidateAndNormalizeQueuingStrategyCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsValidateAndNormalizeQueuingStrategyCode =
@@ -185,6 +193,7 @@ const char* const s_streamInternalsValidateAndNormalizeQueuingStrategyCode =
 
 const JSC::ConstructAbility s_streamInternalsCreateFIFOCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsCreateFIFOCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsCreateFIFOCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsCreateFIFOCodeLength = 2764;
 static const JSC::Intrinsic s_streamInternalsCreateFIFOCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsCreateFIFOCode =
@@ -291,6 +300,7 @@ const char* const s_streamInternalsCreateFIFOCode =
 
 const JSC::ConstructAbility s_streamInternalsNewQueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsNewQueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsNewQueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsNewQueueCodeLength = 85;
 static const JSC::Intrinsic s_streamInternalsNewQueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsNewQueueCode =
@@ -304,6 +314,7 @@ const char* const s_streamInternalsNewQueueCode =
 
 const JSC::ConstructAbility s_streamInternalsDequeueValueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsDequeueValueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsDequeueValueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsDequeueValueCodeLength = 195;
 static const JSC::Intrinsic s_streamInternalsDequeueValueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsDequeueValueCode =
@@ -322,6 +333,7 @@ const char* const s_streamInternalsDequeueValueCode =
 
 const JSC::ConstructAbility s_streamInternalsEnqueueValueWithSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsEnqueueValueWithSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsEnqueueValueWithSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsEnqueueValueWithSizeCodeLength = 248;
 static const JSC::Intrinsic s_streamInternalsEnqueueValueWithSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsEnqueueValueWithSizeCode =
@@ -340,6 +352,7 @@ const char* const s_streamInternalsEnqueueValueWithSizeCode =
 
 const JSC::ConstructAbility s_streamInternalsPeekQueueValueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsPeekQueueValueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsPeekQueueValueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsPeekQueueValueCodeLength = 115;
 static const JSC::Intrinsic s_streamInternalsPeekQueueValueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsPeekQueueValueCode =
@@ -355,6 +368,7 @@ const char* const s_streamInternalsPeekQueueValueCode =
 
 const JSC::ConstructAbility s_streamInternalsResetQueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsResetQueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsResetQueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsResetQueueCodeLength = 152;
 static const JSC::Intrinsic s_streamInternalsResetQueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsResetQueueCode =
@@ -371,6 +385,7 @@ const char* const s_streamInternalsResetQueueCode =
 
 const JSC::ConstructAbility s_streamInternalsExtractSizeAlgorithmCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsExtractSizeAlgorithmCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsExtractSizeAlgorithmCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsExtractSizeAlgorithmCodeLength = 288;
 static const JSC::Intrinsic s_streamInternalsExtractSizeAlgorithmCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsExtractSizeAlgorithmCode =
@@ -388,6 +403,7 @@ const char* const s_streamInternalsExtractSizeAlgorithmCode =
 
 const JSC::ConstructAbility s_streamInternalsExtractHighWaterMarkCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsExtractHighWaterMarkCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsExtractHighWaterMarkCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsExtractHighWaterMarkCodeLength = 325;
 static const JSC::Intrinsic s_streamInternalsExtractHighWaterMarkCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsExtractHighWaterMarkCode =
@@ -405,6 +421,7 @@ const char* const s_streamInternalsExtractHighWaterMarkCode =
 
 const JSC::ConstructAbility s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeLength = 335;
 static const JSC::Intrinsic s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCode =
@@ -424,6 +441,7 @@ const char* const s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCo
 
 const JSC::ConstructAbility s_streamInternalsCreateFulfilledPromiseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsCreateFulfilledPromiseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsCreateFulfilledPromiseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsCreateFulfilledPromiseCodeLength = 115;
 static const JSC::Intrinsic s_streamInternalsCreateFulfilledPromiseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsCreateFulfilledPromiseCode =
@@ -437,6 +455,7 @@ const char* const s_streamInternalsCreateFulfilledPromiseCode =
 
 const JSC::ConstructAbility s_streamInternalsToDictionaryCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_streamInternalsToDictionaryCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_streamInternalsToDictionaryCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_streamInternalsToDictionaryCodeLength = 212;
 static const JSC::Intrinsic s_streamInternalsToDictionaryCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_streamInternalsToDictionaryCode =
diff --git a/src/bun.js/builtins/cpp/StreamInternalsBuiltins.h b/src/bun.js/builtins/cpp/StreamInternalsBuiltins.h
index 61fb36b0e..089992d77 100644
--- a/src/bun.js/builtins/cpp/StreamInternalsBuiltins.h
+++ b/src/bun.js/builtins/cpp/StreamInternalsBuiltins.h
@@ -51,78 +51,97 @@ 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 JSC::ImplementationVisibility s_streamInternalsMarkPromiseAsHandledCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsShieldingPromiseResolveCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrNoopMethodNoCatchCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrNoopNoCatchCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrNoopMethodCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrNoopCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsPromiseInvokeOrFallbackOrNoopCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsValidateAndNormalizeQueuingStrategyCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsCreateFIFOCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsNewQueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsDequeueValueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsEnqueueValueWithSizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsPeekQueueValueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsResetQueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsExtractSizeAlgorithmCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsExtractHighWaterMarkCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsExtractHighWaterMarkFromQueuingStrategyInitCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_streamInternalsCreateFulfilledPromiseCodeImplementationVisibility;
 extern const char* const s_streamInternalsToDictionaryCode;
 extern const int s_streamInternalsToDictionaryCodeLength;
 extern const JSC::ConstructAbility s_streamInternalsToDictionaryCodeConstructAbility;
 extern const JSC::ConstructorKind s_streamInternalsToDictionaryCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_streamInternalsToDictionaryCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_STREAMINTERNALS_BUILTIN_DATA(macro) \
     macro(markPromiseAsHandled, streamInternalsMarkPromiseAsHandled, 1) \
@@ -254,7 +273,7 @@ inline JSC::UnlinkedFunctionExecutable* StreamInternalsBuiltinsWrapper::name##Ex
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/TransformStreamBuiltins.cpp b/src/bun.js/builtins/cpp/TransformStreamBuiltins.cpp
index 027abb5c8..84f7e1ac4 100644
--- a/src/bun.js/builtins/cpp/TransformStreamBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/TransformStreamBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_transformStreamInitializeTransformStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInitializeTransformStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInitializeTransformStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInitializeTransformStreamCodeLength = 2727;
 static const JSC::Intrinsic s_transformStreamInitializeTransformStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInitializeTransformStreamCode =
@@ -126,6 +127,7 @@ const char* const s_transformStreamInitializeTransformStreamCode =
 
 const JSC::ConstructAbility s_transformStreamReadableCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamReadableCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamReadableCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamReadableCodeLength = 190;
 static const JSC::Intrinsic s_transformStreamReadableCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamReadableCode =
@@ -142,6 +144,7 @@ const char* const s_transformStreamReadableCode =
 
 const JSC::ConstructAbility s_transformStreamWritableCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamWritableCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamWritableCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamWritableCodeLength = 190;
 static const JSC::Intrinsic s_transformStreamWritableCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamWritableCode =
diff --git a/src/bun.js/builtins/cpp/TransformStreamBuiltins.h b/src/bun.js/builtins/cpp/TransformStreamBuiltins.h
index bdf0c07cc..8547fd350 100644
--- a/src/bun.js/builtins/cpp/TransformStreamBuiltins.h
+++ b/src/bun.js/builtins/cpp/TransformStreamBuiltins.h
@@ -51,14 +51,17 @@ 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 JSC::ImplementationVisibility s_transformStreamInitializeTransformStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamReadableCodeImplementationVisibility;
 extern const char* const s_transformStreamWritableCode;
 extern const int s_transformStreamWritableCodeLength;
 extern const JSC::ConstructAbility s_transformStreamWritableCodeConstructAbility;
 extern const JSC::ConstructorKind s_transformStreamWritableCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_transformStreamWritableCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_TRANSFORMSTREAM_BUILTIN_DATA(macro) \
     macro(initializeTransformStream, transformStreamInitializeTransformStream, 0) \
@@ -126,7 +129,7 @@ inline JSC::UnlinkedFunctionExecutable* TransformStreamBuiltinsWrapper::name##Ex
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/TransformStreamDefaultControllerBuiltins.cpp b/src/bun.js/builtins/cpp/TransformStreamDefaultControllerBuiltins.cpp
index 31c509a1c..e7dbb840f 100644
--- a/src/bun.js/builtins/cpp/TransformStreamDefaultControllerBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/TransformStreamDefaultControllerBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeLength = 54;
 static const JSC::Intrinsic s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCode =
@@ -62,6 +63,7 @@ const char* const s_transformStreamDefaultControllerInitializeTransformStreamDef
 
 const JSC::ConstructAbility s_transformStreamDefaultControllerDesiredSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamDefaultControllerDesiredSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamDefaultControllerDesiredSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamDefaultControllerDesiredSizeCodeLength = 465;
 static const JSC::Intrinsic s_transformStreamDefaultControllerDesiredSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamDefaultControllerDesiredSizeCode =
@@ -82,6 +84,7 @@ const char* const s_transformStreamDefaultControllerDesiredSizeCode =
 
 const JSC::ConstructAbility s_transformStreamDefaultControllerEnqueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamDefaultControllerEnqueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamDefaultControllerEnqueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamDefaultControllerEnqueueCodeLength = 235;
 static const JSC::Intrinsic s_transformStreamDefaultControllerEnqueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamDefaultControllerEnqueueCode =
@@ -98,6 +101,7 @@ const char* const s_transformStreamDefaultControllerEnqueueCode =
 
 const JSC::ConstructAbility s_transformStreamDefaultControllerErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamDefaultControllerErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamDefaultControllerErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamDefaultControllerErrorCodeLength = 223;
 static const JSC::Intrinsic s_transformStreamDefaultControllerErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamDefaultControllerErrorCode =
@@ -114,6 +118,7 @@ const char* const s_transformStreamDefaultControllerErrorCode =
 
 const JSC::ConstructAbility s_transformStreamDefaultControllerTerminateCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamDefaultControllerTerminateCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamDefaultControllerTerminateCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamDefaultControllerTerminateCodeLength = 227;
 static const JSC::Intrinsic s_transformStreamDefaultControllerTerminateCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamDefaultControllerTerminateCode =
diff --git a/src/bun.js/builtins/cpp/TransformStreamDefaultControllerBuiltins.h b/src/bun.js/builtins/cpp/TransformStreamDefaultControllerBuiltins.h
index 302e2e21c..a38e0111e 100644
--- a/src/bun.js/builtins/cpp/TransformStreamDefaultControllerBuiltins.h
+++ b/src/bun.js/builtins/cpp/TransformStreamDefaultControllerBuiltins.h
@@ -51,22 +51,27 @@ extern const char* const s_transformStreamDefaultControllerInitializeTransformSt
 extern const int s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeLength;
 extern const JSC::ConstructAbility s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeConstructAbility;
 extern const JSC::ConstructorKind s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_transformStreamDefaultControllerInitializeTransformStreamDefaultControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamDefaultControllerDesiredSizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamDefaultControllerEnqueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamDefaultControllerErrorCodeImplementationVisibility;
 extern const char* const s_transformStreamDefaultControllerTerminateCode;
 extern const int s_transformStreamDefaultControllerTerminateCodeLength;
 extern const JSC::ConstructAbility s_transformStreamDefaultControllerTerminateCodeConstructAbility;
 extern const JSC::ConstructorKind s_transformStreamDefaultControllerTerminateCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_transformStreamDefaultControllerTerminateCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_TRANSFORMSTREAMDEFAULTCONTROLLER_BUILTIN_DATA(macro) \
     macro(initializeTransformStreamDefaultController, transformStreamDefaultControllerInitializeTransformStreamDefaultController, 0) \
@@ -142,7 +147,7 @@ inline JSC::UnlinkedFunctionExecutable* TransformStreamDefaultControllerBuiltins
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/TransformStreamInternalsBuiltins.cpp b/src/bun.js/builtins/cpp/TransformStreamInternalsBuiltins.cpp
index 560a6350c..8a86e78dc 100644
--- a/src/bun.js/builtins/cpp/TransformStreamInternalsBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/TransformStreamInternalsBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_transformStreamInternalsIsTransformStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsIsTransformStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsIsTransformStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsIsTransformStreamCodeLength = 120;
 static const JSC::Intrinsic s_transformStreamInternalsIsTransformStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsIsTransformStreamCode =
@@ -62,6 +63,7 @@ const char* const s_transformStreamInternalsIsTransformStreamCode =
 
 const JSC::ConstructAbility s_transformStreamInternalsIsTransformStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsIsTransformStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsIsTransformStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsIsTransformStreamDefaultControllerCodeLength = 142;
 static const JSC::Intrinsic s_transformStreamInternalsIsTransformStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsIsTransformStreamDefaultControllerCode =
@@ -75,6 +77,7 @@ const char* const s_transformStreamInternalsIsTransformStreamDefaultControllerCo
 
 const JSC::ConstructAbility s_transformStreamInternalsCreateTransformStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsCreateTransformStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsCreateTransformStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsCreateTransformStreamCodeLength = 1317;
 static const JSC::Intrinsic s_transformStreamInternalsCreateTransformStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsCreateTransformStreamCode =
@@ -113,6 +116,7 @@ const char* const s_transformStreamInternalsCreateTransformStreamCode =
 
 const JSC::ConstructAbility s_transformStreamInternalsInitializeTransformStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsInitializeTransformStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsInitializeTransformStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsInitializeTransformStreamCodeLength = 1881;
 static const JSC::Intrinsic s_transformStreamInternalsInitializeTransformStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsInitializeTransformStreamCode =
@@ -156,6 +160,7 @@ const char* const s_transformStreamInternalsInitializeTransformStreamCode =
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamErrorCodeLength = 330;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamErrorCode =
@@ -173,6 +178,7 @@ const char* const s_transformStreamInternalsTransformStreamErrorCode =
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeLength = 431;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCode =
@@ -192,6 +198,7 @@ const char* const s_transformStreamInternalsTransformStreamErrorWritableAndUnblo
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamSetBackpressureCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamSetBackpressureCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamSetBackpressureCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamSetBackpressureCodeLength = 498;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamSetBackpressureCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamSetBackpressureCode =
@@ -212,6 +219,7 @@ const char* const s_transformStreamInternalsTransformStreamSetBackpressureCode =
 
 const JSC::ConstructAbility s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeLength = 478;
 static const JSC::Intrinsic s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsSetUpTransformStreamDefaultControllerCode =
@@ -231,6 +239,7 @@ const char* const s_transformStreamInternalsSetUpTransformStreamDefaultControlle
 
 const JSC::ConstructAbility s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeLength = 940;
 static const JSC::Intrinsic s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCode =
@@ -266,6 +275,7 @@ const char* const s_transformStreamInternalsSetUpTransformStreamDefaultControlle
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeLength = 190;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCode =
@@ -281,6 +291,7 @@ const char* const s_transformStreamInternalsTransformStreamDefaultControllerClea
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeLength = 979;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCode =
@@ -313,6 +324,7 @@ const char* const s_transformStreamInternalsTransformStreamDefaultControllerEnqu
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeLength = 125;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultControllerErrorCode =
@@ -326,6 +338,7 @@ const char* const s_transformStreamInternalsTransformStreamDefaultControllerErro
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeLength = 500;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCode =
@@ -348,6 +361,7 @@ const char* const s_transformStreamInternalsTransformStreamDefaultControllerPerf
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeLength = 554;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultControllerTerminateCode =
@@ -369,6 +383,7 @@ const char* const s_transformStreamInternalsTransformStreamDefaultControllerTerm
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeLength = 1373;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCode =
@@ -412,6 +427,7 @@ const char* const s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgor
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeLength = 126;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCode =
@@ -426,6 +442,7 @@ const char* const s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgor
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeLength = 1295;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCode =
@@ -462,6 +479,7 @@ const char* const s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgor
 
 const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeLength = 325;
 static const JSC::Intrinsic s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCode =
diff --git a/src/bun.js/builtins/cpp/TransformStreamInternalsBuiltins.h b/src/bun.js/builtins/cpp/TransformStreamInternalsBuiltins.h
index ad19d0a7e..4850ac1fb 100644
--- a/src/bun.js/builtins/cpp/TransformStreamInternalsBuiltins.h
+++ b/src/bun.js/builtins/cpp/TransformStreamInternalsBuiltins.h
@@ -51,74 +51,92 @@ 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 JSC::ImplementationVisibility s_transformStreamInternalsIsTransformStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsIsTransformStreamDefaultControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsCreateTransformStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsInitializeTransformStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamErrorWritableAndUnblockWriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamSetBackpressureCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsSetUpTransformStreamDefaultControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsSetUpTransformStreamDefaultControllerFromTransformerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerClearAlgorithmsCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerEnqueueCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerPerformTransformCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultControllerTerminateCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultSinkWriteAlgorithmCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultSinkAbortAlgorithmCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultSinkCloseAlgorithmCodeImplementationVisibility;
 extern const char* const s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCode;
 extern const int s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeLength;
 extern const JSC::ConstructAbility s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeConstructAbility;
 extern const JSC::ConstructorKind s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_transformStreamInternalsTransformStreamDefaultSourcePullAlgorithmCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_TRANSFORMSTREAMINTERNALS_BUILTIN_DATA(macro) \
     macro(isTransformStream, transformStreamInternalsIsTransformStream, 1) \
@@ -246,7 +264,7 @@ inline JSC::UnlinkedFunctionExecutable* TransformStreamInternalsBuiltinsWrapper:
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/WritableStreamDefaultControllerBuiltins.cpp b/src/bun.js/builtins/cpp/WritableStreamDefaultControllerBuiltins.cpp
index c259364d7..2f8708b13 100644
--- a/src/bun.js/builtins/cpp/WritableStreamDefaultControllerBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/WritableStreamDefaultControllerBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeLength = 482;
 static const JSC::Intrinsic s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCode =
@@ -73,6 +74,7 @@ const char* const s_writableStreamDefaultControllerInitializeWritableStreamDefau
 
 const JSC::ConstructAbility s_writableStreamDefaultControllerErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultControllerErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultControllerErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultControllerErrorCodeLength = 372;
 static const JSC::Intrinsic s_writableStreamDefaultControllerErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultControllerErrorCode =
diff --git a/src/bun.js/builtins/cpp/WritableStreamDefaultControllerBuiltins.h b/src/bun.js/builtins/cpp/WritableStreamDefaultControllerBuiltins.h
index 5ffd82b88..41e5a62ab 100644
--- a/src/bun.js/builtins/cpp/WritableStreamDefaultControllerBuiltins.h
+++ b/src/bun.js/builtins/cpp/WritableStreamDefaultControllerBuiltins.h
@@ -51,10 +51,12 @@ extern const char* const s_writableStreamDefaultControllerInitializeWritableStre
 extern const int s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeLength;
 extern const JSC::ConstructAbility s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeConstructAbility;
 extern const JSC::ConstructorKind s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_writableStreamDefaultControllerInitializeWritableStreamDefaultControllerCodeImplementationVisibility;
 extern const char* const s_writableStreamDefaultControllerErrorCode;
 extern const int s_writableStreamDefaultControllerErrorCodeLength;
 extern const JSC::ConstructAbility s_writableStreamDefaultControllerErrorCodeConstructAbility;
 extern const JSC::ConstructorKind s_writableStreamDefaultControllerErrorCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_writableStreamDefaultControllerErrorCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_WRITABLESTREAMDEFAULTCONTROLLER_BUILTIN_DATA(macro) \
     macro(initializeWritableStreamDefaultController, writableStreamDefaultControllerInitializeWritableStreamDefaultController, 0) \
@@ -118,7 +120,7 @@ inline JSC::UnlinkedFunctionExecutable* WritableStreamDefaultControllerBuiltinsW
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/WritableStreamDefaultWriterBuiltins.cpp b/src/bun.js/builtins/cpp/WritableStreamDefaultWriterBuiltins.cpp
index 160f7af20..195e88fa8 100644
--- a/src/bun.js/builtins/cpp/WritableStreamDefaultWriterBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/WritableStreamDefaultWriterBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeLength = 376;
 static const JSC::Intrinsic s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCode =
@@ -72,6 +73,7 @@ const char* const s_writableStreamDefaultWriterInitializeWritableStreamDefaultWr
 
 const JSC::ConstructAbility s_writableStreamDefaultWriterClosedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultWriterClosedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultWriterClosedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultWriterClosedCodeLength = 247;
 static const JSC::Intrinsic s_writableStreamDefaultWriterClosedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultWriterClosedCode =
@@ -88,6 +90,7 @@ const char* const s_writableStreamDefaultWriterClosedCode =
 
 const JSC::ConstructAbility s_writableStreamDefaultWriterDesiredSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultWriterDesiredSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultWriterDesiredSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultWriterDesiredSizeCodeLength = 359;
 static const JSC::Intrinsic s_writableStreamDefaultWriterDesiredSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultWriterDesiredSizeCode =
@@ -107,6 +110,7 @@ const char* const s_writableStreamDefaultWriterDesiredSizeCode =
 
 const JSC::ConstructAbility s_writableStreamDefaultWriterReadyCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultWriterReadyCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultWriterReadyCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultWriterReadyCodeLength = 243;
 static const JSC::Intrinsic s_writableStreamDefaultWriterReadyCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultWriterReadyCode =
@@ -123,6 +127,7 @@ const char* const s_writableStreamDefaultWriterReadyCode =
 
 const JSC::ConstructAbility s_writableStreamDefaultWriterAbortCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultWriterAbortCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultWriterAbortCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultWriterAbortCodeLength = 401;
 static const JSC::Intrinsic s_writableStreamDefaultWriterAbortCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultWriterAbortCode =
@@ -142,6 +147,7 @@ const char* const s_writableStreamDefaultWriterAbortCode =
 
 const JSC::ConstructAbility s_writableStreamDefaultWriterCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultWriterCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultWriterCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultWriterCloseCodeLength = 569;
 static const JSC::Intrinsic s_writableStreamDefaultWriterCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultWriterCloseCode =
@@ -165,6 +171,7 @@ const char* const s_writableStreamDefaultWriterCloseCode =
 
 const JSC::ConstructAbility s_writableStreamDefaultWriterReleaseLockCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultWriterReleaseLockCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultWriterReleaseLockCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultWriterReleaseLockCodeLength = 387;
 static const JSC::Intrinsic s_writableStreamDefaultWriterReleaseLockCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultWriterReleaseLockCode =
@@ -186,6 +193,7 @@ const char* const s_writableStreamDefaultWriterReleaseLockCode =
 
 const JSC::ConstructAbility s_writableStreamDefaultWriterWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamDefaultWriterWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamDefaultWriterWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamDefaultWriterWriteCodeLength = 399;
 static const JSC::Intrinsic s_writableStreamDefaultWriterWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamDefaultWriterWriteCode =
diff --git a/src/bun.js/builtins/cpp/WritableStreamDefaultWriterBuiltins.h b/src/bun.js/builtins/cpp/WritableStreamDefaultWriterBuiltins.h
index 28455eedf..70d154bcd 100644
--- a/src/bun.js/builtins/cpp/WritableStreamDefaultWriterBuiltins.h
+++ b/src/bun.js/builtins/cpp/WritableStreamDefaultWriterBuiltins.h
@@ -51,34 +51,42 @@ extern const char* const s_writableStreamDefaultWriterInitializeWritableStreamDe
 extern const int s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeLength;
 extern const JSC::ConstructAbility s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeConstructAbility;
 extern const JSC::ConstructorKind s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_writableStreamDefaultWriterInitializeWritableStreamDefaultWriterCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamDefaultWriterClosedCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamDefaultWriterDesiredSizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamDefaultWriterReadyCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamDefaultWriterAbortCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamDefaultWriterCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamDefaultWriterReleaseLockCodeImplementationVisibility;
 extern const char* const s_writableStreamDefaultWriterWriteCode;
 extern const int s_writableStreamDefaultWriterWriteCodeLength;
 extern const JSC::ConstructAbility s_writableStreamDefaultWriterWriteCodeConstructAbility;
 extern const JSC::ConstructorKind s_writableStreamDefaultWriterWriteCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_writableStreamDefaultWriterWriteCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_WRITABLESTREAMDEFAULTWRITER_BUILTIN_DATA(macro) \
     macro(initializeWritableStreamDefaultWriter, writableStreamDefaultWriterInitializeWritableStreamDefaultWriter, 1) \
@@ -166,7 +174,7 @@ inline JSC::UnlinkedFunctionExecutable* WritableStreamDefaultWriterBuiltinsWrapp
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }
diff --git a/src/bun.js/builtins/cpp/WritableStreamInternalsBuiltins.cpp b/src/bun.js/builtins/cpp/WritableStreamInternalsBuiltins.cpp
index 34a680bdc..784489030 100644
--- a/src/bun.js/builtins/cpp/WritableStreamInternalsBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/WritableStreamInternalsBuiltins.cpp
@@ -49,6 +49,7 @@ namespace WebCore {
 
 const JSC::ConstructAbility s_writableStreamInternalsIsWritableStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsIsWritableStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsIsWritableStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsIsWritableStreamCodeLength = 126;
 static const JSC::Intrinsic s_writableStreamInternalsIsWritableStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsIsWritableStreamCode =
@@ -62,6 +63,7 @@ const char* const s_writableStreamInternalsIsWritableStreamCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsIsWritableStreamDefaultWriterCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsIsWritableStreamDefaultWriterCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsIsWritableStreamDefaultWriterCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsIsWritableStreamDefaultWriterCodeLength = 125;
 static const JSC::Intrinsic s_writableStreamInternalsIsWritableStreamDefaultWriterCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsIsWritableStreamDefaultWriterCode =
@@ -75,6 +77,7 @@ const char* const s_writableStreamInternalsIsWritableStreamDefaultWriterCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeLength = 77;
 static const JSC::Intrinsic s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsAcquireWritableStreamDefaultWriterCode =
@@ -86,6 +89,7 @@ const char* const s_writableStreamInternalsAcquireWritableStreamDefaultWriterCod
 
 const JSC::ConstructAbility s_writableStreamInternalsCreateWritableStreamCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsCreateWritableStreamCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsCreateWritableStreamCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsCreateWritableStreamCodeLength = 588;
 static const JSC::Intrinsic s_writableStreamInternalsCreateWritableStreamCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsCreateWritableStreamCode =
@@ -105,6 +109,7 @@ const char* const s_writableStreamInternalsCreateWritableStreamCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeLength = 1776;
 static const JSC::Intrinsic s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCode =
@@ -160,6 +165,7 @@ const char* const s_writableStreamInternalsCreateInternalWritableStreamFromUnder
 
 const JSC::ConstructAbility s_writableStreamInternalsInitializeWritableStreamSlotsCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsInitializeWritableStreamSlotsCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsInitializeWritableStreamSlotsCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsInitializeWritableStreamSlotsCodeLength = 762;
 static const JSC::Intrinsic s_writableStreamInternalsInitializeWritableStreamSlotsCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsInitializeWritableStreamSlotsCode =
@@ -182,6 +188,7 @@ const char* const s_writableStreamInternalsInitializeWritableStreamSlotsCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamCloseForBindingsCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamCloseForBindingsCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamCloseForBindingsCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamCloseForBindingsCodeLength = 434;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamCloseForBindingsCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamCloseForBindingsCode =
@@ -200,6 +207,7 @@ const char* const s_writableStreamInternalsWritableStreamCloseForBindingsCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamAbortForBindingsCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamAbortForBindingsCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamAbortForBindingsCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamAbortForBindingsCodeLength = 266;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamAbortForBindingsCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamAbortForBindingsCode =
@@ -215,6 +223,7 @@ const char* const s_writableStreamInternalsWritableStreamAbortForBindingsCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsIsWritableStreamLockedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsIsWritableStreamLockedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsIsWritableStreamLockedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsIsWritableStreamLockedCodeLength = 108;
 static const JSC::Intrinsic s_writableStreamInternalsIsWritableStreamLockedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsIsWritableStreamLockedCode =
@@ -227,6 +236,7 @@ const char* const s_writableStreamInternalsIsWritableStreamLockedCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeLength = 1538;
 static const JSC::Intrinsic s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsSetUpWritableStreamDefaultWriterCode =
@@ -267,6 +277,7 @@ const char* const s_writableStreamInternalsSetUpWritableStreamDefaultWriterCode
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamAbortCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamAbortCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamAbortCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamAbortCodeLength = 928;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamAbortCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamAbortCode =
@@ -299,6 +310,7 @@ const char* const s_writableStreamInternalsWritableStreamAbortCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamCloseCodeLength = 904;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamCloseCode =
@@ -328,6 +340,7 @@ const char* const s_writableStreamInternalsWritableStreamCloseCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamAddWriteRequestCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamAddWriteRequestCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamAddWriteRequestCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamAddWriteRequestCodeLength = 391;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamAddWriteRequestCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamAddWriteRequestCode =
@@ -347,6 +360,7 @@ const char* const s_writableStreamInternalsWritableStreamAddWriteRequestCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeLength = 188;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCode =
@@ -360,6 +374,7 @@ const char* const s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCo
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDealWithRejectionCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDealWithRejectionCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDealWithRejectionCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDealWithRejectionCodeLength = 294;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDealWithRejectionCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDealWithRejectionCode =
@@ -380,6 +395,7 @@ const char* const s_writableStreamInternalsWritableStreamDealWithRejectionCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishErroringCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishErroringCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishErroringCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamFinishErroringCodeLength = 1575;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamFinishErroringCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamFinishErroringCode =
@@ -428,6 +444,7 @@ const char* const s_writableStreamInternalsWritableStreamFinishErroringCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeLength = 1111;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamFinishInFlightCloseCode =
@@ -465,6 +482,7 @@ const char* const s_writableStreamInternalsWritableStreamFinishInFlightCloseCode
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeLength = 753;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCode =
@@ -493,6 +511,7 @@ const char* const s_writableStreamInternalsWritableStreamFinishInFlightCloseWith
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeLength = 296;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamFinishInFlightWriteCode =
@@ -510,6 +529,7 @@ const char* const s_writableStreamInternalsWritableStreamFinishInFlightWriteCode
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeLength = 491;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCode =
@@ -532,6 +552,7 @@ const char* const s_writableStreamInternalsWritableStreamFinishInFlightWriteWith
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeLength = 196;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCode =
@@ -545,6 +566,7 @@ const char* const s_writableStreamInternalsWritableStreamHasOperationMarkedInFli
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeLength = 377;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCode =
@@ -563,6 +585,7 @@ const char* const s_writableStreamInternalsWritableStreamMarkCloseRequestInFligh
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeLength = 363;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCode =
@@ -581,6 +604,7 @@ const char* const s_writableStreamInternalsWritableStreamMarkFirstWriteRequestIn
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeLength = 809;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCode =
@@ -610,6 +634,7 @@ const char* const s_writableStreamInternalsWritableStreamRejectCloseAndClosedPro
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamStartErroringCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamStartErroringCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamStartErroringCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamStartErroringCodeLength = 752;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamStartErroringCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamStartErroringCode =
@@ -637,6 +662,7 @@ const char* const s_writableStreamInternalsWritableStreamStartErroringCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamUpdateBackpressureCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamUpdateBackpressureCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamUpdateBackpressureCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamUpdateBackpressureCodeLength = 621;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamUpdateBackpressureCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamUpdateBackpressureCode =
@@ -659,6 +685,7 @@ const char* const s_writableStreamInternalsWritableStreamUpdateBackpressureCode
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeLength = 195;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultWriterAbortCode =
@@ -673,6 +700,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultWriterAbortCode
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeLength = 179;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultWriterCloseCode =
@@ -687,6 +715,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultWriterCloseCode
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeLength = 533;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCode =
@@ -711,6 +740,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultWriterCloseWithE
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeLength = 625;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCode =
@@ -733,6 +763,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultWriterEnsureClos
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeLength = 613;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCode =
@@ -755,6 +786,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultWriterEnsureRead
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeLength = 424;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCode =
@@ -778,6 +810,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultWriterGetDesired
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeLength = 568;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultWriterReleaseCode =
@@ -801,6 +834,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultWriterReleaseCod
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeLength = 1266;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultWriterWriteCode =
@@ -841,6 +875,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultWriterWriteCode
 
 const JSC::ConstructAbility s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeLength = 1142;
 static const JSC::Intrinsic s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsSetUpWritableStreamDefaultControllerCode =
@@ -873,6 +908,7 @@ const char* const s_writableStreamInternalsSetUpWritableStreamDefaultControllerC
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerStartCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerStartCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerStartCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerStartCodeLength = 982;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerStartCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerStartCode =
@@ -903,6 +939,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerStartC
 
 const JSC::ConstructAbility s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeLength = 1394;
 static const JSC::Intrinsic s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCode =
@@ -939,6 +976,7 @@ const char* const s_writableStreamInternalsSetUpWritableStreamDefaultControllerF
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeLength = 895;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCode =
@@ -974,6 +1012,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerAdvanc
 
 const JSC::ConstructAbility s_writableStreamInternalsIsCloseSentinelCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsIsCloseSentinelCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsIsCloseSentinelCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsIsCloseSentinelCodeLength = 18;
 static const JSC::Intrinsic s_writableStreamInternalsIsCloseSentinelCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsIsCloseSentinelCode =
@@ -984,6 +1023,7 @@ const char* const s_writableStreamInternalsIsCloseSentinelCode =
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeLength = 329;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCode =
@@ -999,6 +1039,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerClearA
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeLength = 208;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerCloseCode =
@@ -1012,6 +1053,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerCloseC
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeLength = 336;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerErrorCode =
@@ -1029,6 +1071,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerErrorC
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeLength = 246;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCode =
@@ -1043,6 +1086,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerErrorI
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeLength = 159;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCode =
@@ -1056,6 +1100,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetBac
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeLength = 275;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCode =
@@ -1073,6 +1118,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetChu
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeLength = 157;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCode =
@@ -1085,6 +1131,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerGetDes
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeLength = 646;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCode =
@@ -1111,6 +1158,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerProces
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeLength = 1165;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCode =
@@ -1146,6 +1194,7 @@ const char* const s_writableStreamInternalsWritableStreamDefaultControllerProces
 
 const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
 const int s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeLength = 725;
 static const JSC::Intrinsic s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeIntrinsic = JSC::NoIntrinsic;
 const char* const s_writableStreamInternalsWritableStreamDefaultControllerWriteCode =
diff --git a/src/bun.js/builtins/cpp/WritableStreamInternalsBuiltins.h b/src/bun.js/builtins/cpp/WritableStreamInternalsBuiltins.h
index bc41d2ee3..f38a4ac60 100644
--- a/src/bun.js/builtins/cpp/WritableStreamInternalsBuiltins.h
+++ b/src/bun.js/builtins/cpp/WritableStreamInternalsBuiltins.h
@@ -51,198 +51,247 @@ 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 JSC::ImplementationVisibility s_writableStreamInternalsIsWritableStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsIsWritableStreamDefaultWriterCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsAcquireWritableStreamDefaultWriterCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsCreateWritableStreamCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsCreateInternalWritableStreamFromUnderlyingSinkCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsInitializeWritableStreamSlotsCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamCloseForBindingsCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamAbortForBindingsCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsIsWritableStreamLockedCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsSetUpWritableStreamDefaultWriterCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamAbortCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamAddWriteRequestCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamCloseQueuedOrInFlightCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDealWithRejectionCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishErroringCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishInFlightCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishInFlightCloseWithErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishInFlightWriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamFinishInFlightWriteWithErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamHasOperationMarkedInFlightCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamMarkCloseRequestInFlightCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamMarkFirstWriteRequestInFlightCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamRejectCloseAndClosedPromiseIfNeededCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamStartErroringCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamUpdateBackpressureCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterAbortCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterCloseWithErrorPropagationCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterEnsureClosedPromiseRejectedCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterEnsureReadyPromiseRejectedCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterGetDesiredSizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterReleaseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultWriterWriteCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsSetUpWritableStreamDefaultControllerCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerStartCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsSetUpWritableStreamDefaultControllerFromUnderlyingSinkCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerAdvanceQueueIfNeededCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsIsCloseSentinelCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerClearAlgorithmsCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerErrorCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerErrorIfNeededCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerGetBackpressureCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerGetChunkSizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerGetDesiredSizeCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerProcessCloseCodeImplementationVisibility;
 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 JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerProcessWriteCodeImplementationVisibility;
 extern const char* const s_writableStreamInternalsWritableStreamDefaultControllerWriteCode;
 extern const int s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeLength;
 extern const JSC::ConstructAbility s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeConstructAbility;
 extern const JSC::ConstructorKind s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeConstructorKind;
+extern const JSC::ImplementationVisibility s_writableStreamInternalsWritableStreamDefaultControllerWriteCodeImplementationVisibility;
 
 #define WEBCORE_FOREACH_WRITABLESTREAMINTERNALS_BUILTIN_DATA(macro) \
     macro(isWritableStream, writableStreamInternalsIsWritableStream, 1) \
@@ -494,7 +543,7 @@ inline JSC::UnlinkedFunctionExecutable* WritableStreamInternalsBuiltinsWrapper::
         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);\
+        m_##name##Executable = JSC::Weak<JSC::UnlinkedFunctionExecutable>(JSC::createBuiltinExecutable(m_vm, m_##name##Source, executableName, s_##name##ImplementationVisibility, s_##name##ConstructorKind, s_##name##ConstructAbility), this, &m_##name##Executable);\
     }\
     return m_##name##Executable.get();\
 }