Upgrade WebKit

1 files changed, 64 insertions, 1 deletions

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();\
 }