BlankAnchorTargetImpliesNoOpenerEnabled:
   type: bool
   defaultValue: true
   webcoreBinding: RuntimeEnabledFeatures
   humanReadableName: "Blank anchor target implies rel=noopener"
   humanReadableDescription: "target=_blank on anchor elements implies rel=noopener"
   category: experimental

DeviceOrientationEventEnabled:
  type: bool
  defaultValue: true
  condition: ENABLE(DEVICE_ORIENTATION)
  webcoreName: deviceOrientationEventEnabled

DeviceOrientationPermissionAPIEnabled:
  type: bool
  defaultValue: false
  condition: ENABLE(DEVICE_ORIENTATION)
  webcoreName: deviceOrientationPermissionAPIEnabled

DisallowSyncXHRDuringPageDismissalEnabled:
  type: bool
  defaultValue: defaultDisallowSyncXHRDuringPageDismissalEnabled()
  humanReadableName: "Disallow sync XHR during page dismissal"
  humanReadableDescription: "Disallow synchronous XMLHttpRequest during page dismissal"
  category: experimental

JavaScriptEnabled:
  type: bool
  defaultValue: true
  webcoreName: scriptEnabled

JavaScriptMarkupEnabled:
  type: bool
  defaultValue: true
  webcoreName: scriptMarkupEnabled

LoadsImagesAutomatically:
  type: bool
  defaultValue: true

LoadsSiteIconsIgnoringImageLoadingPreference:
  type: bool
  defaultValue: false
  webcoreName: loadsSiteIconsIgnoringImageLoadingSetting

PluginsEnabled:
  type: bool
  defaultValue: false

HTTPSUpgradeEnabled:
   type: bool
   defaultValue: false
   humanReadableName: "Automatic HTTPS upgrade"
   humanReadableDescription: "Automatic HTTPS upgrade for known supported sites"
   category: experimental

InProcessCookieCacheEnabled:
   type: bool
   defaultValue: true
   humanReadableName: "In-Process Cookie Cache"
   humanReadableDescription: "In-Process DOM Cookie Cache"
   category: experimental

ThirdPartyIframeRedirectBlockingEnabled:
   type: bool
   defaultValue: true
   humanReadableName: "Block top-level redirects by third-party iframes"
   humanReadableDescription: "Block top-level redirects by third-party iframes"
   category: experimental

GoogleAntiFlickerOptimizationQuirkEnabled:
   type: bool
   defaultValue: true
   humanReadableName: "Quirk to prevent delayed initial painting on sites using Google's Anti-Flicker optimization"
   humanReadableDescription: "Quirk to prevent delayed initial painting on sites using Google's Anti-Flicker optimization"
   category: experimental

JavaEnabled:
  type: bool
  defaultValue: false

JavaEnabledForLocalFiles:
  type: bool
  defaultValue: false

OfflineWebApplicationCacheEnabled:
  type: bool
  defaultValue: true

LocalStorageEnabled:
  type: bool
  defaultValue: true

DatabasesEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: custom

XSSAuditorEnabled:
  type: bool
  defaultValue: true

SafeBrowsingEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: none

TextAreasAreResizable:
  type: bool
  defaultValue: DEFAULT_TEXT_AREAS_ARE_RESIZABLE

JavaScriptCanOpenWindowsAutomatically:
  type: bool
  defaultValue: DEFAULT_JAVASCRIPT_CAN_OPEN_WINDOWS_AUTOMATICALLY

HyperlinkAuditingEnabled:
  type: bool
  defaultValue: true

NeedsSiteSpecificQuirks:
  type: bool
  defaultValue: true

AcceleratedCompositingEnabled:
  type: bool
  defaultValue: true

ForceCompositingMode:
  type: bool
  defaultValue: false
  webcoreBinding: none

CanvasUsesAcceleratedDrawing:
  type: bool
  defaultValue: true

WebGLEnabled:
  type: bool
  defaultValue: true

Accelerated2dCanvasEnabled:
  type: bool
  defaultValue: false

ForceFTPDirectoryListings:
  type: bool
  defaultValue: false

TabsToLinks:
  type: bool
  defaultValue: DEFAULT_WEBKIT_TABSTOLINKS_ENABLED
  webcoreBinding: none

DNSPrefetchingEnabled:
  type: bool
  defaultValue: false

DOMTimersThrottlingEnabled:
  type: bool
  defaultValue: true

WebArchiveDebugModeEnabled:
  type: bool
  defaultValue: false
  condition: ENABLE(WEB_ARCHIVE)

LocalFileContentSniffingEnabled:
  type: bool
  defaultValue: false

UsesBackForwardCache:
  type: bool
  defaultValue: true

BackForwardCacheSupportsPlugins:
  type: bool
  defaultValue: true

AuthorAndUserStylesEnabled:
  type: bool
  defaultValue: true

PaginateDuringLayoutEnabled:
  type: bool
  defaultValue: false

DOMPasteAllowed:
  type: bool
  defaultValue: false

JavaScriptCanAccessClipboard:
  type: bool
  defaultValue: false

ShouldPrintBackgrounds:
  type: bool
  defaultValue: DEFAULT_SHOULD_PRINT_BACKGROUNDS

LinkPreconnect:
  type: bool
  defaultValue: DEFAULT_LINK_PRECONNECT_ENABLED
  webcoreName: linkPreconnectEnabled

AsynchronousSpellCheckingEnabled:
  type: bool
  defaultValue: false

WebSecurityEnabled:
  type: bool
  defaultValue: true

AllowUniversalAccessFromFileURLs:
  type: bool
  defaultValue: false

AllowFileAccessFromFileURLs:
  type: bool
  defaultValue: false

AllowSettingAnyXHRHeaderFromFileURLs:
  type: bool
  defaultValue: false

AllowCrossOriginSubresourcesToAskForCredentials:
  type: bool
  defaultValue: false

AllowTopNavigationToDataURLs:
  type: bool
  defaultValue: false

ShouldRestrictBaseURLSchemes:
  type: bool
  defaultValue: false

AVFoundationEnabled:
  type: bool
  defaultValue: DEFAULT_AVFOUNDATION_ENABLED
  getter: isAVFoundationEnabled
  webcoreBinding: DeprecatedGlobalSettings
  condition: USE(AVFOUNDATION)

AVFoundationNSURLSessionEnabled:
  type: bool
  defaultValue: true
  getter: isAVFoundationNSURLSessionEnabled
  webcoreBinding: DeprecatedGlobalSettings
  condition: USE(AVFOUNDATION)

GStreamerEnabled:
  type: bool
  defaultValue: true
  getter: isGStreamerEnabled
  webcoreBinding: DeprecatedGlobalSettings
  condition: USE(GSTREAMER)

RequiresUserGestureForMediaPlayback:
  type: bool
  defaultValue: false
  webcoreBinding: custom

RequiresUserGestureForVideoPlayback:
  type: bool
  defaultValue: false
  webcoreBinding: custom

RequiresUserGestureForAudioPlayback:
  type: bool
  defaultValue: DEFAULT_REQUIRES_USER_GESTURE_FOR_AUDIO_PLAYBACK
  webcoreBinding: custom

RequiresUserGestureToLoadVideo:
  type: bool
  defaultValue: false

MainContentUserGestureOverrideEnabled:
  type: bool
  defaultValue: false

MediaUserGestureInheritsFromDocument:
  type: bool
  defaultValue: false

AllowsInlineMediaPlayback:
  type: bool
  defaultValue: DEFAULT_ALLOWS_INLINE_MEDIA_PLAYBACK

AllowsInlineMediaPlaybackAfterFullscreen:
  type: bool
  defaultValue: DEFAULT_ALLOWS_INLINE_MEDIA_PLAYBACK_AFTER_FULLSCREEN

InlineMediaPlaybackRequiresPlaysInlineAttribute:
  type: bool
  defaultValue: DEFAULT_INLINE_MEDIA_PLAYBACK_REQUIRES_PLAYS_INLINE_ATTRIBUTE

InvisibleAutoplayNotPermitted:
  type: bool
  defaultValue: DEFAULT_INVISIBLE_AUTOPLAY_NOT_PERMITTED

MediaDataLoadsAutomatically:
  type: bool
  defaultValue: DEFAULT_MEDIA_DATA_LOADS_AUTOMATICALLY

AllowsPictureInPictureMediaPlayback:
  type: bool
  defaultValue: DEFAULT_ALLOWS_PICTURE_IN_PICTURE_MEDIA_PLAYBACK

AllowsAirPlayForMediaPlayback:
  type: bool
  defaultValue: true
  condition: ENABLE(WIRELESS_PLAYBACK_TARGET)

MediaControlsScaleWithPageZoom:
  type: bool
  defaultValue: DEFAULT_MEDIA_CONTROLS_SCALE_WITH_PAGE_ZOOM

InspectorStartsAttached:
  type: bool
  defaultValue: true
  webcoreBinding: none

ShowsToolTipOverTruncatedText:
  type: bool
  defaultValue: false

MockScrollbarsEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: DeprecatedGlobalSettings

WebAudioEnabled:
  type: bool
  defaultValue: true
  condition: ENABLE(WEB_AUDIO)

PrefixedWebAudioEnabled:
  type: bool
  defaultValue: true
  condition: ENABLE(WEB_AUDIO)
  humanReadableName: "Prefixed WebAudio API"
  humanReadableDescription: "Prefixed WebAudio API"
  category: internal

ModernUnprefixedWebAudioEnabled:
  type: bool
  defaultValue: false
  condition: ENABLE(WEB_AUDIO)
  humanReadableName: "Modern WebAudio API"
  humanReadableDescription: "Modern and unprefixed WebAudio API"
  category: experimental

AttachmentElementEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(ATTACHMENT_ELEMENT)

SuppressesIncrementalRendering:
  type: bool
  defaultValue: false

BackspaceKeyNavigationEnabled:
  type: bool
  defaultValue: DEFAULT_BACKSPACE_KEY_NAVIGATION_ENABLED

CaretBrowsingEnabled:
  type: bool
  defaultValue: false

ShouldDisplaySubtitles:
  type: bool
  defaultValue: false
  condition: ENABLE(VIDEO)

ShouldDisplayCaptions:
  type: bool
  defaultValue: false
  condition: ENABLE(VIDEO)

ShouldDisplayTextDescriptions:
  type: bool
  defaultValue: false
  condition: ENABLE(VIDEO)

NotificationsEnabled:
  type: bool
  defaultValue: true
  condition: ENABLE(NOTIFICATIONS)

ShouldRespectImageOrientation:
  type: bool
  defaultValue: DEFAULT_SHOULD_RESPECT_IMAGE_ORIENTATION

WantsBalancedSetDefersLoadingBehavior:
  type: bool
  defaultValue: false

RequestAnimationFrameEnabled:
  type: bool
  defaultValue: true

RequestIdleCallbackEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "requestIdleCallback"
  humanReadableDescription: "Enable requestIdleCallback support"
  category: experimental

DiagnosticLoggingEnabled:
  type: bool
  defaultValue: false

AsynchronousPluginInitializationEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: none

AsynchronousPluginInitializationEnabledForAllPlugins:
  type: bool
  defaultValue: false
  webcoreBinding: none

ArtificialPluginInitializationDelayEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: none

# FIXME: What is this?
TabToLinksEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: none

ScrollingPerformanceLoggingEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: custom

ScrollAnimatorEnabled:
  type: bool
  defaultValue: DEFAULT_WEBKIT_SCROLL_ANIMATOR_ENABLED
  condition: ENABLE(SMOOTH_SCROLLING)

ForceUpdateScrollbarsOnMainThreadForPerformanceTesting:
  type: bool
  defaultValue: false

CookieEnabled:
  type: bool
  defaultValue: true

PlugInSnapshottingEnabled:
  type: bool
  defaultValue: false

SnapshotAllPlugIns:
  type: bool
  defaultValue: false

AutostartOriginPlugInSnapshottingEnabled:
  type: bool
  defaultValue: true

PrimaryPlugInSnapshotDetectionEnabled:
  type: bool
  defaultValue: true

PDFPluginEnabled:
  type: bool
  defaultValue: DEFAULT_PDFPLUGIN_ENABLED
  webcoreBinding: none
  condition: PLATFORM(COCOA)

UsesEncodingDetector:
  type: bool
  defaultValue: false

TextAutosizingEnabled:
  type: bool
  defaultValue: WebCore::Settings::defaultTextAutosizingEnabled()
  condition: ENABLE(TEXT_AUTOSIZING)

AggressiveTileRetentionEnabled:
  type: bool
  defaultValue: false

TemporaryTileCohortRetentionEnabled:
  type: bool
  defaultValue: DEFAULT_TEMPORARY_TILE_COHORT_RETENTION_ENABLED

PageVisibilityBasedProcessSuppressionEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: none

SmartInsertDeleteEnabled:
  type: bool
  defaultValue: true

SelectTrailingWhitespaceEnabled:
  type: bool
  defaultValue: false

ShowsURLsInToolTipsEnabled:
  type: bool
  defaultValue: false
  webcoreName: showsURLsInToolTips

HiddenPageDOMTimerThrottlingEnabled:
  type: bool
  defaultValue: DEFAULT_HIDDEN_PAGE_DOM_TIMER_THROTTLING_ENABLED

HiddenPageDOMTimerThrottlingAutoIncreases:
  type: bool
  defaultValue: false

HiddenPageCSSAnimationSuspensionEnabled:
  type: bool
  defaultValue: DEFAULT_HIDDEN_PAGE_CSS_ANIMATION_SUSPENSION_ENABLED

LowPowerVideoAudioBufferSizeEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: DeprecatedGlobalSettings

ThreadedScrollingEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: none

SimpleLineLayoutEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Simple line layout"
  humanReadableDescription: "Enable simple line layout path (SLL)"
  category: internal

ContentChangeObserverEnabled:
  type: bool
  defaultValue: true
  condition: PLATFORM(IOS_FAMILY)

SubpixelCSSOMElementMetricsEnabled:
  type: bool
  defaultValue: false

UseGiantTiles:
  type: bool
  defaultValue: false

MediaRecorderEnabled:
    type: bool
    defaultValue: false
    webcoreBinding: RuntimeEnabledFeatures
    condition: ENABLE(MEDIA_STREAM)
    humanReadableName: "MediaRecorder"
    humanReadableDescription: "MediaRecorder"
    category: experimental

MediaDevicesEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(MEDIA_STREAM)

MediaStreamEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(MEDIA_STREAM)

MediaEnabled:
  type: bool
  defaultValue: true
  webcoreName: mediaEnabled
  condition: ENABLE(VIDEO)

ScreenCaptureEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(MEDIA_STREAM) && PLATFORM(MAC)
  humanReadableName: "ScreenCapture"
  humanReadableDescription: "Enable ScreenCapture"
  category: experimental

PeerConnectionEnabled:
  type: bool
  defaultValue: WebCore::LibWebRTCProvider::webRTCAvailable()
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEB_RTC)

InterruptAudioOnPageVisibilityChangeEnabled:
  type: bool
  defaultValue: WebCore::RealtimeMediaSourceCenter::shouldInterruptAudioOnPageVisibilityChange()
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(MEDIA_STREAM)

WebRTCH265CodecEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEB_RTC)
  humanReadableName: "WebRTC H265 codec"
  humanReadableDescription: "Enable WebRTC H265 codec"
  category: experimental

WebRTCVP9CodecEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEB_RTC)
  humanReadableName: "WebRTC VP9 codec"
  humanReadableDescription: "Enable WebRTC VP9 codec"
  category: experimental

WebRTCPlatformCodecsInGPUProcessEnabled:
  type: bool
  defaultValue: defaultWebRTCCodecsInGPUProcess()
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEB_RTC)
  humanReadableName: "WebRTC Platform Codecs in GPU Process"
  humanReadableDescription: "Enable WebRTC Platform Codecs in GPU Process"
  category: experimental

WebRTCDTMFEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEB_RTC)
  humanReadableName: "WebRTC DTMF"
  humanReadableDescription: "Enable WebRTC DTMF"
  category: internal

WebRTCH264SimulcastEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEB_RTC)
  humanReadableName: "WebRTC H264 Simulcast"
  humanReadableDescription: "Enable WebRTC H264 Simulcast"
  category: internal

WebRTCMDNSICECandidatesEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "WebRTC mDNS ICE candidates"
  humanReadableDescription: "Enable WebRTC mDNS ICE candidates"
  webcoreBinding: RuntimeEnabledFeatures
  category: internal
  condition: ENABLE(WEB_RTC)

UseLegacyTextAlignPositionedElementBehavior:
  type: bool
  defaultValue: false

SpatialNavigationEnabled:
  type: bool
  defaultValue: false

MediaSourceEnabled:
  type: bool
  defaultValue: WebCore::Settings::platformDefaultMediaSourceEnabled()
  condition: ENABLE(MEDIA_SOURCE)
  webcoreBinding: none

ViewGestureDebuggingEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: none

ShouldConvertPositionStyleOnCopy:
  type: bool
  defaultValue: false

Standalone:
  type: bool
  defaultValue: false

TelephoneNumberParsingEnabled:
  type: bool
  defaultValue: false

AllowMultiElementImplicitSubmission:
  type: bool
  defaultValue: false

AlwaysUseAcceleratedOverflowScroll:
  type: bool
  defaultValue: false

PasswordEchoEnabled:
  type: bool
  defaultValue: DEFAULT_PASSWORD_ECHO_ENABLED

ImageControlsEnabled:
  type: bool
  defaultValue: false
  condition: ENABLE(SERVICE_CONTROLS)

EnableInheritURIQueryComponent:
  type: bool
  defaultValue: false

ServiceControlsEnabled:
  type: bool
  defaultValue: false
  condition: ENABLE(SERVICE_CONTROLS)

DeferredCSSParserEnabled:
  type: bool
  defaultValue: false

HTTPEquivEnabled:
  type: bool
  defaultValue: true
  webcoreName: httpEquivEnabled

MockCaptureDevicesPromptEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: none

# FIXME: What is this for?
EnumeratingAllNetworkInterfacesEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: none

ShadowDOMEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Shadow DOM"
  humanReadableDescription: "HTML Shadow DOM prototype"
  webcoreBinding: RuntimeEnabledFeatures

FetchAPIEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures

DownloadAttributeEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(DOWNLOAD_ATTRIBUTE)

SelectionPaintingWithoutSelectionGapsEnabled:
  type: bool
  defaultValue: false

ApplePayEnabled:
  type: bool
  defaultValue: DEFAULT_APPLE_PAY_ENABLED
  condition: ENABLE(APPLE_PAY)

ApplePayCapabilityDisclosureAllowed:
  type: bool
  defaultValue: true
  condition: ENABLE(APPLE_PAY)

LayoutViewportHeightExpansionFactor:
  type: double
  defaultValue: DEFAULT_VISUAL_VIEWPORT_HEIGHT_EXPANSION_FACTOR

NeedsStorageAccessFromFileURLsQuirk:
  type: bool
  defaultValue: true

LargeImageAsyncDecodingEnabled:
  type: bool
  defaultValue: true

AnimatedImageAsyncDecodingEnabled:
  type: bool
  defaultValue: true

CustomElementsEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures

MenuItemElementEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: RuntimeEnabledFeatures

MediaPreloadingEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: RuntimeEnabledFeatures

InteractiveFormValidationEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "HTML Interactive Form Validation"
  humanReadableDescription: "HTML interactive form validation"
  webcoreBinding: RuntimeEnabledFeatures

ShouldSuppressTextInputFromEditingDuringProvisionalNavigation:
  type: bool
  defaultValue: false

GamepadsEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Gamepads"
  humanReadableDescription: "Web Gamepad API support"
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(GAMEPAD)

HighlightAPIEnabled:
    type: bool
    defaultValue: false
    humanReadableName: "Highlight API"
    humanReadableDescription: "Highlight API support"
    webcoreBinding: RuntimeEnabledFeatures
    category: experimental

InputEventsEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Input Events"
  humanReadableDescription: "Enable InputEvents support"
  webcoreBinding: RuntimeEnabledFeatures

WebAuthenticationEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Web Authentication"
  humanReadableDescription: "Enable Web Authentication support"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental
  condition: ENABLE(WEB_AUTHN)

WebAuthenticationLocalAuthenticatorEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Web Authentication Local Authenticator"
  humanReadableDescription: "Enable Web Authentication local authenticator support"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental
  condition: ENABLE(WEB_AUTHN)

ModernMediaControlsEnabled:
  type: bool
  defaultValue: DEFAULT_MODERN_MEDIA_CONTROLS_ENABLED
  humanReadableName: "Modern Media Controls"
  humanReadableDescription: "Use modern media controls look"
  webcoreBinding: RuntimeEnabledFeatures

PaintTimingEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Paint Timing"
  humanReadableDescription: "Enable PaintTiming API"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental

ResourceTimingEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Resource Timing"
  humanReadableDescription: "Enable ResourceTiming API"
  webcoreBinding: RuntimeEnabledFeatures

UserTimingEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "User Timing"
  humanReadableDescription: "Enable UserTiming API"
  webcoreBinding: RuntimeEnabledFeatures

BeaconAPIEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Beacon API"
  humanReadableDescription: "Beacon API"

LegacyEncryptedMediaAPIEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Enable Legacy EME API"
  humanReadableDescription: "Enable legacy EME API"
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(LEGACY_ENCRYPTED_MEDIA)

AllowMediaContentTypesRequiringHardwareSupportAsFallback:
  type: bool
  defaultValue: DEFAULT_ALLOW_MEDIA_CONTENT_TYPES_REQUIRING_HARDWARE_SUPPORT_AS_FALLBACK
  humanReadableName: "Allow Media Content Types Requirining Hardware As Fallback"
  humanReadableDescription: "Allow Media Content Types Requirining Hardware As Fallback"

InspectorAdditionsEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Web Inspector Additions"
  humanReadableDescription: "Enable additional page APIs used by the Web Inspector frontend page"
  webcoreBinding: RuntimeEnabledFeatures

DirectoryUploadEnabled:
  type: bool
  defaultValue: DEFAULT_DIRECTORY_UPLOAD_ENABLED
  humanReadableName: "Directory Upload"
  humanReadableDescription: "input.webkitdirectory / dataTransferItem.webkitGetAsEntry()"
  webcoreBinding: RuntimeEnabledFeatures

DataTransferItemsEnabled:
  type: bool
  defaultValue: DEFAULT_DATA_TRANSFER_ITEMS_ENABLED
  humanReadableName: "Data Transfer Items"
  humanReadableDescription: "Enables DataTransferItem in the clipboard API"
  webcoreBinding: RuntimeEnabledFeatures

CustomPasteboardDataEnabled:
  type: bool
  defaultValue: DEFAULT_CUSTOM_PASTEBOARD_DATA_ENABLED
  humanReadableName: "Custom pasteboard data"
  humanReadableDescription: "Enable custom clipboard types and better security model for clipboard API."
  webcoreBinding: RuntimeEnabledFeatures

AsyncClipboardAPIEnabled:
  type: bool
  defaultValue: DEFAULT_ASYNC_CLIPBOARD_API_ENABLED
  humanReadableName: "Async clipboard API"
  humanReadableDescription: "Enable the async clipboard API"
  category: experimental

WebShareEnabled:
  type: bool
  defaultValue: DEFAULT_WEB_SHARE_ENABLED
  humanReadableName: "Web Share"
  humanReadableDescription: "Enable support for share sheet via Web Share API"
  webcoreBinding: RuntimeEnabledFeatures

ViewportFitEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Viewport Fit"
  humanReadableDescription: "Enable viewport-fit viewport parameter"

IncrementalRenderingSuppressionTimeout:
  type: double
  defaultValue: 5
  webcoreName: incrementalRenderingSuppressionTimeoutInSeconds

MinimumFontSize:
  type: double
  defaultValue: 0

MinimumLogicalFontSize:
  type: double
  defaultValue: 9

MinimumZoomFontSize:
  type: double
  defaultValue: WebCore::Settings::defaultMinimumZoomFontSize()
  condition: ENABLE(TEXT_AUTOSIZING)

DefaultFontSize:
  type: double
  defaultValue: 16

DefaultFixedFontSize:
  type: double
  defaultValue: 13

MaxParseDuration:
  type: double
  defaultValue: -1

PasswordEchoDuration:
  type: double
  defaultValue: 2
  webcoreName: passwordEchoDurationInSeconds

LayoutFallbackWidth:
  type: uint32_t
  defaultValue: 980

DeviceWidth:
  type: uint32_t
  defaultValue: 0

DeviceHeight:
  type: uint32_t
  defaultValue: 0

EditableLinkBehavior:
  type: uint32_t
  defaultValue: WebCore::EditableLinkNeverLive
  webcoreBinding: custom

InspectorAttachedHeight:
  type: uint32_t
  defaultValue: 500
  webcoreBinding: none

InspectorAttachedWidth:
  type: uint32_t
  defaultValue: 750
  webcoreBinding: none

InspectorAttachmentSide:
  type: uint32_t
  defaultValue: 0
  webcoreBinding: none

StorageBlockingPolicy:
  type: uint32_t
  defaultValue: WebCore::SecurityOrigin::BlockThirdPartyStorage
  webcoreBinding: custom

JavaScriptRuntimeFlags:
  type: uint32_t
  defaultValue: 0
  webcoreBinding: custom

DataDetectorTypes:
  type: uint32_t
  defaultValue: 0
  webcoreBinding: custom
  condition: ENABLE(DATA_DETECTION)

UserInterfaceDirectionPolicy:
  type: uint32_t
  defaultValue: 0
  webcoreBinding: custom

SystemLayoutDirection:
  type: uint32_t
  defaultValue: 0
  webcoreBinding: custom

FrameFlatteningEnabled:
  type: bool
  defaultValue: DEFAULT_FRAME_FLATTENING
  webcoreBinding: custom
  humanReadableName: "Frame flattening"
  humanReadableDescription: "Enable frame flattening, which adjusts the height of an iframe to fit its contents"
  category: internal

StandardFontFamily:
  type: String
  defaultValue: DEFAULT_STANDARD_FONT_FAMILY

CursiveFontFamily:
  type: String
  defaultValue: DEFAULT_CURSIVE_FONT_FAMILY

FantasyFontFamily:
  type: String
  defaultValue: DEFAULT_FANTASY_FONT_FAMILY

FixedFontFamily:
  type: String
  defaultValue: DEFAULT_FIXED_FONT_FAMILY

SansSerifFontFamily:
  type: String
  defaultValue: DEFAULT_SANS_SERIF_FONT_FAMILY

SerifFontFamily:
  type: String
  defaultValue: DEFAULT_SERIF_FONT_FAMILY

PictographFontFamily:
  type: String
  defaultValue: DEFAULT_PICTOGRAPH_FONT_FAMILY

DefaultTextEncodingName:
  type: String
  defaultValue: defaultTextEncodingNameForSystemLanguage()

FTPDirectoryTemplatePath:
  type: String
  defaultValue: '""'

MediaContentTypesRequiringHardwareSupport:
  type: String
  defaultValue: WebCore::Settings::defaultMediaContentTypesRequiringHardwareSupport()

InspectorWindowFrame:
  type: String
  defaultValue: '""'
  webcoreBinding: none

InactiveMediaCaptureSteamRepromptIntervalInMinutes:
  type: double
  defaultValue: DEFAULT_INTERACTIVE_MEDIA_CAPTURE_STREAM_REPROMPT_INTERVAL_IN_MINUTES
  webcoreBinding: none

LongRunningMediaCaptureStreamRepromptIntervalInHours:
  type: double
  defaultValue: 24
  webcoreBinding: none

PassiveTouchListenersAsDefaultOnDocument:
  type: bool
  defaultValue: defaultPassiveTouchListenersAsDefaultOnDocument()
  webcoreName: passiveTouchListenersAsDefaultOnDocument

ShouldIgnoreMetaViewport:
  type: bool
  defaultValue: false

# Debug Preferences

AcceleratedDrawingEnabled:
  type: bool
  defaultValue: true
  category: debug

SubpixelAntialiasedLayerTextEnabled:
  type: bool
  defaultValue: DEFAULT_SUBPIXEL_ANTIALIASED_LAYER_TEXT_ENABLED
  category: debug

DisplayListDrawingEnabled:
  type: bool
  defaultValue: false
  category: debug

CompositingBordersVisible:
  type: bool
  defaultValue: false
  category: debug
  webcoreName: showDebugBorders

CompositingRepaintCountersVisible:
  type: bool
  defaultValue: false
  category: debug
  webcoreName: showRepaintCounter

TiledScrollingIndicatorVisible:
  type: bool
  defaultValue: false
  category: debug
  webcoreName: showTiledScrollingIndicator

DisableScreenSizeOverride:
  type: bool
  defaultValue: false
  category: debug
  condition: PLATFORM(IOS_FAMILY)

SimpleLineLayoutDebugBordersEnabled:
  type: bool
  defaultValue: false
  category: debug

DeveloperExtrasEnabled:
  type: bool
  defaultValue: false
  category: debug

LogsPageMessagesToSystemConsoleEnabled:
  type: bool
  defaultValue: false
  category: debug

ForceAlwaysUserScalable:
  type: bool
  defaultValue: false
  category: debug
  webcoreBinding: none
  condition: PLATFORM(IOS_FAMILY)

ResourceUsageOverlayVisible:
  type: bool
  defaultValue: false
  category: debug
  condition: ENABLE(RESOURCE_USAGE)

VisibleDebugOverlayRegions:
  type: uint32_t
  defaultValue: 0
  category: debug

ShouldEnableTextAutosizingBoost:
  type: bool
  defaultValue: false
  condition: ENABLE(TEXT_AUTOSIZING)

ShouldAllowUserInstalledFonts:
  type: bool
  defaultValue: true

MediaCapabilitiesEnabled:
  type: bool
  defaultValue: true

SystemPreviewEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: RuntimeEnabledFeatures
  condition: USE(SYSTEM_PREVIEW)

CacheAPIEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures

ConstantPropertiesEnabled:
  type: bool
  defaultValue: true

SubresourceIntegrityEnabled:
  type: bool
  defaultValue: true

CrossOriginResourcePolicyEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures

DisabledAdaptationsMetaTagEnabled:
  type: bool
  defaultValue: DISABLED_ADAPTATIONS_META_TAG_ENABLED
  webcoreBinding: RuntimeEnabledFeatures

ColorFilterEnabled:
  type: bool
  defaultValue: false

PunchOutWhiteBackgroundsInDarkMode:
  type: bool
  defaultValue: false

IncompleteImageBorderEnabled:
  type: bool
  defaultValue: false

ShouldDeferAsynchronousScriptsUntilAfterDocumentLoadOrFirstPaint:
  type: bool
  defaultValue: true
  humanReadableName: "Defer async scripts until DOMContentLoaded or first-paint"
  humanReadableDescription: "Defer async scripts until DOMContentLoaded or first-paint"
  category: experimental

StorageAccessAPIEnabled:
  type: bool
  defaultValue: true

LinkPreloadEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures

IsSecureContextAttributeEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures

SourceBufferChangeTypeEnabled:
  type: bool
  defaultValue: true
  condition: ENABLE(MEDIA_SOURCE)

KeygenElementEnabled:
  type: bool
  defaultValue: false
  webcoreBinding: RuntimeEnabledFeatures
  humanReadableName: "HTMLKeygenElement"
  humanReadableDescription: "Enables the deprecated and disabled-by-default HTML keygen element."
  category: internal

EncryptedMediaAPIEnabled:
  type: bool
  defaultValue: true
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(ENCRYPTED_MEDIA)

VideoQualityIncludesDisplayCompositingEnabled:
  type: bool
  defaultValue: false
  condition: ENABLE(VIDEO)

EditableImagesEnabled:
  type: bool
  defaultValue: false

ShouldDecidePolicyBeforeLoadingQuickLookPreview:
  defaultValue: false
  type: bool

ShouldUseServiceWorkerShortTimeout:
  defaultValue: false
  type: bool

IsInAppBrowserPrivacyEnabled:
    type: bool
    defaultValue: defaultInAppBrowserPrivacy()
    humanReadableName: "In-App Browser Privacy"
    humanReadableDescription: "Enable In-App Browser Privacy"
    webcoreBinding: RuntimeEnabledFeatures
    category: debug

NeedsInAppBrowserPrivacyQuirks:
    type: bool
    defaultValue: false
    humanReadableName: "Needs In-App Browser Privacy Quirks"
    humanReadableDescription: "Enable quirks needed to support In-App Browser privacy"
    webcoreBinding: RuntimeEnabledFeatures
    category: debug

ServiceWorkerEntitlementDisabledForTesting:
    type: bool
    defaultValue: false
    webcoreBinding: none

# For experimental features:
# The type should be boolean.
# You must provide a humanReadableName and humanReadableDescription for all experimental features. They
#   are the text exposed to the user from the WebKit client.
# The default value may be either false (for unstable features) or
#   DEFAULT_EXPERIMENTAL_FEATURES_ENABLED (for features that are ready for
#   wider testing).


SpringTimingFunctionEnabled:
  type: bool
  defaultValue: DEFAULT_EXPERIMENTAL_FEATURES_ENABLED
  humanReadableName: "CSS Spring Animations"
  humanReadableDescription: "CSS Spring Animation prototype"
  category: experimental

ImageBitmapEnabled:
  type: bool
  defaultValue: DEFAULT_EXPERIMENTAL_FEATURES_ENABLED
  humanReadableName: "ImageBitmap"
  humanReadableDescription: "Support for the ImageBitmap APIs"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

HTTP3Enabled:
  type: bool
  defaultValue: false
  humanReadableName: "HTTP/3"
  humanReadableDescription: "Enable HTTP/3"
  category: experimental
  webcoreBinding: none
  condition: HAVE(CFNETWORK_ALTERNATIVE_SERVICE)

OffscreenCanvasEnabled:
  type: bool
  defaultValue: DEFAULT_OFFSCREEN_CANVAS_ENABLED
  humanReadableName: "OffscreenCanvas"
  humanReadableDescription: "Support for the OffscreenCanvas APIs"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(OFFSCREEN_CANVAS)

IntersectionObserverEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Intersection Observer"
  humanReadableDescription: "Enable Intersection Observer support"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental
  condition: ENABLE(INTERSECTION_OBSERVER)

VisualViewportAPIEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Visual Viewport API"
  humanReadableDescription: "Enable Visual Viewport API"
  category: experimental

SyntheticEditingCommandsEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Synthetic Editing Commands"
  humanReadableDescription: "Enable Synthetic Editing Commands"
  category: experimental

CSSOMViewScrollingAPIEnabled:
  type: bool
  defaultValue: defaultCSSOMViewScrollingAPIEnabled()
  humanReadableName: "CSSOM View Scrolling API"
  humanReadableDescription: "Implement standard behavior for scrollLeft, scrollTop, scrollWidth, scrollHeight, scrollTo, scrollBy and scrollingElement."
  category: internal

BlockingOfSmallPluginsEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Block small plugins"
  humanReadableDescription: "Stop plugins smaller than a certain threshold from loading."
  category: internal

CSSOMViewSmoothScrollingEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "CSSOM View Smooth Scrolling"
  humanReadableDescription: "Enable DOM API and CSS property for 'smooth' scroll behavior"
  category: experimental

WebAnimationsEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Web Animations"
  humanReadableDescription: "Web Animations prototype"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

WebAnimationsCSSIntegrationEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "CSS Animations via Web Animations"
  humanReadableDescription: "Expose CSS Animations and CSS Transitions through getAnimations()"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

WebAnimationsCompositeOperationsEnabled:
  type: bool
  defaultValue: DEFAULT_EXPERIMENTAL_FEATURES_ENABLED
  humanReadableName: "Web Animations composite operations"
  humanReadableDescription: "Support for the CompositeOperation enum and properties consuming it"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

WebAnimationsMutableTimelinesEnabled:
  type: bool
  defaultValue: DEFAULT_EXPERIMENTAL_FEATURES_ENABLED
  humanReadableName: "Web Animations mutable timelines"
  humanReadableDescription: "Support for setting the timeline property of an Animation object"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

WebGL2Enabled:
  type: bool
  defaultValue: false
  humanReadableName: "WebGL 2.0"
  humanReadableDescription: "WebGL 2 prototype"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEBGL2)

WebGPUEnabled:
  type: bool
  defaultValue: defaultWebGPUEnabled()
  humanReadableName: "WebGPU"
  humanReadableDescription: "WebGPU Sketch prototype"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEBGPU)

MaskWebGLStringsEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Mask WebGL Strings"
  humanReadableDescription: "Mask WebGL Vendor, Renderer, Shader Language Strings"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEBGL) || ENABLE(WEBGL2)

AccessibilityObjectModelEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Accessibility Object Model"
  humanReadableDescription: "Accessibility Object Model support"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

ServerTimingEnabled:
  type: bool
  defaultValue: DEFAULT_SERVER_TIMING_ENABLED
  humanReadableName: "Server Timing"
  humanReadableDescription: "Enable Server Timing API"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures
  webcoreName: serverTimingEnabled

CSSCustomPropertiesAndValuesEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "CSS Custom Properties and Values API"
  humanReadableDescription: "Enable CSS Custom Properties and Values API"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental

CSSPaintingAPIEnabled:
  type: bool
  defaultValue: DEFAULT_CSS_PAINTING_API_ENABLED
  humanReadableName: "CSS Painting API"
  humanReadableDescription: "Enable the CSS Painting API"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental
  condition: ENABLE(CSS_PAINTING_API)

CSSTypedOMEnabled:
  type: bool
  defaultValue: DEFAULT_CSS_TYPED_OM_ENABLED
  humanReadableName: "CSS Typed OM"
  humanReadableDescription: "Enable the CSS Typed OM"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental
  condition: ENABLE(CSS_TYPED_OM)

WebSQLDisabled:
  type: bool
  defaultValue: true
  humanReadableName: "Disable Web SQL"
  humanReadableDescription: "Disable Web SQL"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental

ProcessSwapOnCrossSiteNavigationEnabled:
  type: bool
  defaultValue: DEFAULT_PROCESS_SWAP_ON_CROSS_SITE_NAVIGATION_ENABLED
  humanReadableName: "Swap Processes on Cross-Site Navigation"
  humanReadableDescription: "Swap WebContent Processes on cross-site navigations"
  category: experimental
  webcoreBinding: none

MediaCapabilitiesExtensionsEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Media Capabilities Extensions"
  humanReadableDescription: "Media Capabilities Extensions"
  category: experimental

HDRMediaCapabilitiesEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "HDR Media Capabilities"
  humanReadableDescription: "HDR Media Capabilities"
  category: experimental

ResizeObserverEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Resize Observer"
  humanReadableDescription: "Enable Resize Observer support"
  category: experimental
  condition: ENABLE(RESIZE_OBSERVER)

AdClickAttributionEnabled:
    type: bool
    defaultValue: false
    humanReadableName: "Ad Click Attribution"
    humanReadableDescription: "Enable Ad Click Attribution for Cross-Site Link Navigations"
    webcoreBinding: RuntimeEnabledFeatures
    category: experimental

AdClickAttributionDebugModeEnabled:
    type: bool
    defaultValue: false
    humanReadableName: "Ad Click Attribution Debug Mode"
    humanReadableDescription: "Enable Ad Click Attribution Debug Mode"
    webcoreBinding: RuntimeEnabledFeatures
    category: experimental

FetchAPIKeepAliveEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Fetch API Request KeepAlive"
  humanReadableDescription: "Enable Fetch API Request KeepAlive"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures
  webcoreName: fetchAPIKeepAliveEnabled

CSSShadowPartsEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "CSS Shadow Parts"
  humanReadableDescription: "Enable CSS Shadow Parts"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

GenericCueAPIEnabled:
  type: bool
  defaultValue: true
  condition: ENABLE(VIDEO)
  humanReadableName: "Generic Text Track Cue API"
  humanReadableDescription: "Enable Generic Text Track Cue API"
  category: experimental
  webcoreName: genericCueAPIEnabled

CaptureVideoInUIProcessEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Capture video in UI Process"
  humanReadableDescription: "Enable video capture in UI Process"
  category: experimental
  webcoreBinding: none
  condition: ENABLE(MEDIA_STREAM)

CaptureVideoInGPUProcessEnabled:
  type: bool
  defaultValue: defaultCaptureVideoInGPUProcessEnabled()
  humanReadableName: "Capture video in GPU Process"
  humanReadableDescription: "Enable video capture in GPU Process"
  category: internal
  webcoreBinding: none
  condition: ENABLE(MEDIA_STREAM)

AspectRatioOfImgFromWidthAndHeightEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Aspect ratio of <img> from width and height"
  humanReadableDescription: "Map HTML attributes width/height to the default aspect ratio of <img>"
  category: experimental

# For internal features:
# The type should be boolean.
# You must provide a humanReadableName and humanReadableDescription for all debug features. They
#   are the text exposed to the user from the WebKit client.

ExperimentalPlugInSandboxProfilesEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Sandbox Plug-Ins"
  humanReadableDescription: "Enable Plug-In sandboxing"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures
  webcoreName: experimentalPlugInSandboxProfilesEnabled

ItpDebugModeEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "ITP Debug Mode"
  humanReadableDescription: "Intelligent Tracking Prevention Debug Mode"
  webcoreBinding: RuntimeEnabledFeatures

IsITPDatabaseEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "ITP Database Backend"
  humanReadableDescription: "Enable Intelligent Tracking Prevention Database Backend"
  webcoreBinding: RuntimeEnabledFeatures
  category: internal

ReadableByteStreamAPIEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "ReadableByteStream"
  humanReadableDescription: "Enable Readable Byte Streams"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

ServiceWorkersEnabled:
  type: bool
  defaultValue: DEFAULT_SERVICE_WORKERS_ENABLED
  humanReadableName: "Service Workers"
  humanReadableDescription: "Enable Service Workers"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures
  webcoreName: serviceWorkerEnabled
  condition: ENABLE(SERVICE_WORKER)

AsyncFrameScrollingEnabled:
  type: bool
  defaultValue: defaultAsyncFrameScrollingEnabled()
  humanReadableName: "Async Frame Scrolling"
  humanReadableDescription: "Perform frame scrolling off the main thread"
  category: internal

AsyncOverflowScrollingEnabled:
  type: bool
  defaultValue: defaultAsyncOverflowScrollingEnabled()
  humanReadableName: "Async Overflow Scrolling"
  humanReadableDescription: "Perform overflow scrolling off the main thread"
  category: internal

LegacyOverflowScrollingTouchEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Legacy -webkit-overflow-scrolling property"
  humanReadableDescription: "Support the legacy -webkit-overflow-scrolling CSS property"
  condition: ENABLE(OVERFLOW_SCROLLING_TOUCH)
  category: internal

FullScreenEnabled:
  type: bool
  defaultValue: false
  condition: ENABLE(FULLSCREEN_API)
  hidden: EXPERIMENTAL_FULLSCREEN_API_HIDDEN
  humanReadableName: "Fullscreen API"
  humanReadableDescription: "Fullscreen API"
  category: internal

AriaReflectionEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "ARIA Reflection"
  humanReadableDescription: "ARIA Reflection support"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures

WebAPIStatisticsEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Web API Statistics"
  humanReadableDescription: "Enable Web API Statistics"
  webcoreBinding: RuntimeEnabledFeatures
  category: internal

SecureContextChecksEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Secure Context Checks"
  humanReadableDescription: "Allow access to HTTPS-only Web APIs over HTTP"
  webcoreBinding: RuntimeEnabledFeatures
  category: internal

SelectionAcrossShadowBoundariesEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Selection across shadow DOM"
  humanReadableDescription: "Allow user-initiated selection across shadow DOM boundaries"
  category: internal
  webcoreName: selectionAcrossShadowBoundariesEnabled

FasterClicksEnabled:
  type: bool
  defaultValue: true
  condition: PLATFORM(IOS_FAMILY)
  humanReadableName: "Fast clicks"
  humanReadableDescription: "Support faster clicks on zoomable pages"
  webcoreBinding: none
  category: internal

PreferFasterClickOverDoubleTap:
  type: bool
  defaultValue: DEFAULT_PREFER_FASTER_CLICK_OVER_DOUBLE_TAP
  condition: PLATFORM(IOS_FAMILY)
  humanReadableName: "Fast clicks beat DTTZ"
  humanReadableDescription: "Prefer a faster click over a double tap"
  webcoreBinding: none
  category: internal

ZoomOnDoubleTapWhenRoot:
  type: bool
  defaultValue: false
  condition: PLATFORM(IOS_FAMILY)
  humanReadableName: "DTTZ also when root"
  humanReadableDescription: "Double taps zoom, even if we dispatched a click on the root nodes"
  webcoreBinding: none
  category: internal

AlwaysZoomOnDoubleTap:
  type: bool
  defaultValue: false
  condition: PLATFORM(IOS_FAMILY)
  humanReadableName: "DTTZ always"
  humanReadableDescription: "Double taps zoom, even if we dispatched a click anywhere"
  webcoreBinding: none
  category: internal

InputTypeColorEnabled:
  type: bool
  defaultValue: DEFAULT_INPUT_TYPE_COLOR_ENABLED
  humanReadableName: "Color Inputs"
  humanReadableDescription: "Enable input elements of type color"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(INPUT_TYPE_COLOR)

DataListElementEnabled:
  type: bool
  defaultValue: DEFAULT_DATALIST_ELEMENT_ENABLED
  humanReadableName: "DataList Element"
  humanReadableDescription: "Enable datalist elements"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(DATALIST_ELEMENT)

LayoutFormattingContextEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Full next-generation layout (LFC)"
  humanReadableDescription: "Enable full next-generation layout (LFC)"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(LAYOUT_FORMATTING_CONTEXT)

LayoutFormattingContextIntegrationEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Next-generation line layout integration (LFC)"
  humanReadableDescription: "Enable next-generation line layout integration (LFC)"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(LAYOUT_FORMATTING_CONTEXT)

CaptureAudioInUIProcessEnabled:
  type: bool
  defaultValue: defaultCaptureAudioInUIProcessEnabled()
  humanReadableName: "Capture audio in UI Process"
  humanReadableDescription: "Enable audio capture in UI Process"
  category: internal
  webcoreBinding: none
  condition: ENABLE(MEDIA_STREAM)

CaptureAudioInGPUProcessEnabled:
  type: bool
  defaultValue: defaultCaptureAudioInGPUProcessEnabled()
  humanReadableName: "Capture audio in GPU Process"
  humanReadableDescription: "Enable audio capture in GPU Process"
  category: internal
  webcoreBinding: none
  condition: ENABLE(MEDIA_STREAM)

RenderCanvasInGPUProcessEnabled:
  type: bool
  defaultValue: defaultRenderCanvasInGPUProcessEnabled()
  humanReadableName: "Render canvas in GPU Process"
  humanReadableDescription: "Enable canvas rendering in GPU Process"
  category: internal
  webcoreBinding: none

RestrictedHTTPResponseAccess:
  type: bool
  defaultValue: true
  humanReadableName: "Filter HTTP Response for Web Processes"
  humanReadableDescription: "Enable HTTP Response filtering for Web Processes"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures

UndoManagerAPIEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "UndoManager DOM API"
  humanReadableDescription: "Enable the UndoManager DOM API"
  category: internal
  webcoreBinding: RuntimeEnabledFeatures

CSSLogicalEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "CSS Logical Properties and Values"
  humanReadableDescription: "Enable CSS Logical Properties and Values"
  webcoreBinding: RuntimeEnabledFeatures
  category: internal

LineHeightUnitsEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "lh / rlh units"
  humanReadableDescription: "Enable the lh and lhr units"
  webcoreBinding: RuntimeEnabledFeatures
  category: internal

DOMPasteAccessRequestsEnabled:
  type: bool
  defaultValue: DEFAULT_DOM_PASTE_ACCESS_REQUESTS_ENABLED
  humanReadableName: "DOM Paste Access Requests"
  humanReadableDescription: "Enable DOM Paste Access Requests"
  category: internal

MouseEventsSimulationEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Mouse events simulation"
  humanReadableDescription: "Enable mouse events dispatch along with touch events on iOS"
  webcoreBinding: RuntimeEnabledFeatures
  category: internal
  condition: ENABLE(TOUCH_EVENTS)

TextAutosizingUsesIdempotentMode:
  type: bool
  defaultValue: defaultTextAutosizingUsesIdempotentMode()
  humanReadableName: "Idempotent Text Autosizing"
  humanReadableDescription: "Use idempotent text autosizing mode"
  category: internal
  condition: ENABLE(TEXT_AUTOSIZING)

AllowViewportShrinkToFitContent:
  type: bool
  defaultValue: true
  humanReadableName: "Allow Viewport Shrink to Fit Content"
  humanReadableDescription: "Allow the viewport shrink to fit content heuristic when appropriate"
  category: internal
  condition: PLATFORM(IOS_FAMILY)

EnterKeyHintEnabled:
  type: bool
  defaultValue: DEFAULT_ENTER_KEY_HINT_ENABLED
  humanReadableName: "Enter Key Hint"
  humanReadableDescription: "Enable the enterKeyHint HTML attribute"
  category: internal

ReferrerPolicyAttributeEnabled:
  type: bool
  defaultValue: true
  humanReadableName: "Referrer Policy attribute"
  humanReadableDescription: "Enable Referrer Policy attribute"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

PageAtRuleSupportEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "@page CSS at-rule support"
  humanReadableDescription: "Enable @page support"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures

CoreMathMLEnabled:
  type: bool
  defaultValue: DEFAULT_CORE_MATHML_ENABLED
  humanReadableName: "MathML Core"
  humanReadableDescription: "Disable features removed from the MathML Core spec."
  category: experimental

ApplePayRemoteUIEnabled:
  category: internal
  condition: ENABLE(APPLE_PAY_REMOTE_UI)
  defaultValue: true
  humanReadableDescription: "Enable Apple Pay Remote UI"
  humanReadableName: "Apple Pay Remote UI"
  type: bool

LinkPrefetchEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "LinkPrefetch"
  humanReadableDescription: "Enable LinkedPrefetch"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental

LinkPreloadResponsiveImagesEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Link preload responsive images"
  humanReadableDescription: "Enable link preload responsive images"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental

IsNSURLSessionWebSocketEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "NSURLSession WebSocket"
  humanReadableDescription: "Use NSURLSession WebSocket API"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures
  condition: HAVE(NSURLSESSION_WEBSOCKET)

LazyImageLoadingEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "Lazy Image Loading"
  humanReadableDescription: "Enable Lazy Image Loading support"
  webcoreBinding: RuntimeEnabledFeatures
  category: experimental

IsThirdPartyCookieBlockingDisabled:
  type: bool
  defaultValue: false
  humanReadableName: "Disable Full 3rd-Party Cookie Blocking (ITP)"
  humanReadableDescription: "Disable full third-party cookie blocking when Intelligent Tracking Prevention is enabled"
  category: experimental

IsFirstPartyWebsiteDataRemovalDisabled:
  type: bool
  defaultValue: false
  humanReadableName: "Disable Removal of Non-Cookie Data After 7 Days of No User Interaction (ITP)"
  humanReadableDescription: "Disable removal of all non-cookie website data after seven days of no user interaction when Intelligent Tracking Prevention is enabled"
  category: experimental

IsFirstPartyWebsiteDataRemovalLiveOnTestingEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "[ITP Live-On] 1 Hour Timeout For Non-Cookie Data Removal"
  humanReadableDescription: "Remove all non-cookie website data after just one hour of no user interaction when Intelligent Tracking Prevention is enabled"
  category: internal

IsFirstPartyWebsiteDataRemovalReproTestingEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "[ITP Repro] 30 Second Timeout For Non-Cookie Data Removal"
  humanReadableDescription: "Remove all non-cookie website data after just 30 seconds of no user interaction when Intelligent Tracking Prevention is enabled"
  category: internal

IsSameSiteStrictEnforcementEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "SameSite strict enforcement (ITP)"
  humanReadableDescription: "Enable SameSite strict enforcement to mitigate bounce tracking"
  category: experimental

IsLoggedInAPIEnabled:
    type: bool
    defaultValue: false
    humanReadableName: "IsLoggedIn web API"
    humanReadableDescription: "Enable the proposed IsLoggedIn web API"
    category: experimental

PictureInPictureAPIEnabled:
  type: bool
  defaultValue: true
  condition: ENABLE(PICTURE_IN_PICTURE_API)

RemotePlaybackEnabled:
  category: experimental
  condition: ENABLE(WIRELESS_PLAYBACK_TARGET)
  type: bool
  defaultValue: true
  humanReadableName: "Remote Playback API"
  humanReadableDescription: "Enable Remote Playback API"

UseGPUProcessForMedia:
  type: bool
  defaultValue: defaultUseGPUProcessForMedia()
  condition: ENABLE(GPU_PROCESS)
  humanReadableName: "Media in GPU Process"
  humanReadableDescription: "Do all media loading and playback in the GPU Process"
  category: internal
  webcoreName: useGPUProcessForMedia

DialogElementEnabled:
    type: bool
    defaultValue: false
    humanReadableName: "Dialog Element"
    humanReadableDescription: "Enable the Dialog Element"
    webcoreBinding: RuntimeEnabledFeatures
    category: experimental

IsAccessibilityIsolatedTreeEnabled:
    type: bool
    defaultValue: false
    humanReadableName: "Isolated Accessibility Tree Mode"
    humanReadableDescription: "Enable an accessibility hierarchy for VoiceOver that can be accessed on a secondary thread for improved performance"
    webcoreBinding: RuntimeEnabledFeatures
    category: experimental
    condition: ENABLE(ACCESSIBILITY_ISOLATED_TREE)

WebShareFileAPIEnabled:
    type: bool
    defaultValue: false
    humanReadableName: "Web Share API Level 2"
    humanReadableDescription: "Enable level 2 of Web Share API"
    webcoreBinding: RuntimeEnabledFeatures
    category: experimental

IncrementalPDFLoadingEnabled:
  type: bool
  defaultValue: defaultIncrementalPDFEnabled()
  humanReadableName: "Incremental PDF Loading"
  humanReadableDescription: "Enable Incremental PDF Loading on supported platforms"
  category: experimental
  condition: HAVE(INCREMENTAL_PDF_APIS)
  webcoreBinding: RuntimeEnabledFeatures

WebXREnabled:
  type: bool
  defaultValue: defaultWebXREnabled()
  humanReadableName: "WebXR Device API"
  humanReadableDescription: "Adds support for accessing virtual reality (VR) and augmented reality (AR) devices, including sensors and head-mounted displays, on the Web"
  category: experimental
  webcoreBinding: RuntimeEnabledFeatures
  condition: ENABLE(WEBXR)

# Deprecated

ICECandidateFilteringEnabled:
  type: bool
  defaultValue: true

MockCaptureDevicesEnabled:
  type: bool
  defaultValue: DEFAULT_MOCK_CAPTURE_DEVICES_ENABLED
  condition: ENABLE(MEDIA_STREAM)

MediaCaptureRequiresSecureConnection:
  type: bool
  defaultValue: true
  condition: ENABLE(MEDIA_STREAM)

CoreImageAcceleratedFilterRenderEnabled:
  type: bool
  defaultValue: false
  humanReadableName: "CoreImage-Accelerated Filter Rendering"
  humanReadableDescription: "Accelerated CSS and SVG filter rendering using CoreImage"
  category: experimental
  condition: ENABLE(CORE_IMAGE_ACCELERATED_FILTER_RENDER)