{
    "contexts": [
        "type",
        "interface",
        "namespace",
        "attribute",
        "operation",
        "argument",
        "callback-function",
        "dictionary",
        "dictionary-member",
        "enum",
        "constant",
        "union-member",
        "iterable",
        "map-like",
        "set-like",
        "includes"
    ],
    "attributes": {
        "ActiveDOMObject": {
            "contextsAllowed": ["interface"]
        },
        "AllowShared": {
            "contextsAllowed": ["type"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#AllowShared"
            }
        },
        "AppleCopyright": {
            "contextsAllowed": ["interface", "attribute", "operation"]
        },
        "AtomString": {
            "contextsAllowed": ["type"]
        },
        "CEReactions": {
            "contextsAllowed": ["attribute", "operation"],
            "standard": {
                "url": "https://html.spec.whatwg.org/multipage/custom-elements.html#cereactions"
            }
        },
        "CachedAttribute": {
            "contextsAllowed": ["attribute"]
        },
        "CallTracer": {
            "contextsAllowed": ["interface", "attribute", "operation"],
            "values": ["*"]
        },
        "CallbackThisObject": {
            "contextsAllowed": ["callback-function", "operation"]
        },
        "CallWith": {
            "contextsAllowed": ["attribute", "operation"],
            "values": ["CurrentDocument", "RelevantDocument", "CurrentScriptExecutionContext", "RelevantScriptExecutionContext", "CurrentGlobalObject", "RelevantGlobalObject", "ActiveWindow", "FirstWindow", "EntryDocument", "World", "PropertyName"],
            "standard": {
                "url": "https://html.spec.whatwg.org/multipage/webappapis.html#concept-current-everything"
            },
            "supportsConjunction": true
        },
        "CheckSecurity": {
            "contextsAllowed": ["interface"]
        },
        "CheckSecurityForNode": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "Clamp": {
            "contextsAllowed": ["type"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#Clamp"
            }
        },
        "Conditional": {
            "contextsAllowed": ["interface", "namespace", "dictionary", "dictionary-member", "enum", "attribute", "operation", "constant", "callback-function", "includes"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "ConditionalForWorker": {
            "contextsAllowed": ["interface", "namespace", "dictionary", "dictionary-member", "enum", "attribute", "operation", "constant", "callback-function", "includes"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "ConditionallyReadWrite": {
            "contextsAllowed": ["attribute"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "ConstantsScope": {
            "contextsAllowed": ["interface"],
            "values": ["*"]
        },
        "ConstantsEnum": {
            "contextsAllowed": ["interface"],
            "values": ["*"]
        },
        "ContextAllowsMediaDevices": {
            "contextsAllowed": ["attribute"]
        },
        "Custom": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "CustomDefineOwnProperty": {
            "contextsAllowed": ["interface"]
        },
        "CustomDeleteProperty": {
            "contextsAllowed": ["interface"]
        },
        "CustomGetCallData": {
            "contextsAllowed": ["interface"]
        },
        "CustomGetOwnPropertyNames": {
            "contextsAllowed": ["interface"]
        },
        "CustomGetOwnPropertySlot": {
            "contextsAllowed": ["interface"]
        },
        "CustomGetPrototype": {
            "contextsAllowed": ["interface"]
        },
        "CustomGetter": {
            "contextsAllowed": ["attribute"]
        },
        "CustomHeapSnapshot": {
            "contextsAllowed": ["interface"]
        },
        "CustomIndexedSetter": {
            "contextsAllowed": ["interface"]
        },
        "CustomIsReachable": {
            "contextsAllowed": ["interface"]
        },
        "CustomPreventExtensions": {
            "contextsAllowed": ["interface"]
        },
        "CustomPushEventHandlerScope": {
            "contextsAllowed": ["interface"]
        },
        "CustomPut": {
            "contextsAllowed": ["interface"]
        },
        "CustomSetter": {
            "contextsAllowed": ["attribute"]
        },
        "CustomToJSObject": {
            "contextsAllowed": ["interface"]
        },
        "DOMJIT": {
            "contextsAllowed": ["interface", "attribute", "operation"],
            "values": ["", "ReadDOM", "Getter"],
            "supportsConjunction": true
        },
        "Default": {
            "contextsAllowed": ["operation"]
        },
        "DelegateToSharedSyntheticAttribute": {
            "contextsAllowed": ["attribute"]
        },
        "DisabledByQuirk": {
            "contextsAllowed": ["interface", "dictionary", "enum", "attribute", "operation", "constant", "dictionary-member", "includes"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "DoNotCheckConstants": {
            "contextsAllowed": ["interface"]
        },
        "DoNotCheckSecurity": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "DoNotCheckSecurityOnGetter": {
            "contextsAllowed": ["attribute"]
        },
        "DoNotCheckSecurityOnSetter": {
            "contextsAllowed": ["attribute"]
        },
        "EnabledByQuirk": {
            "contextsAllowed": ["interface", "dictionary", "enum", "attribute", "operation", "constant", "dictionary-member", "includes"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "EnabledAtRuntime": {
            "contextsAllowed": ["interface", "namespace", "dictionary", "enum", "attribute", "operation", "constant", "iterable", "includes"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "EnabledBySetting": {
            "contextsAllowed": ["interface", "namespace", "dictionary", "enum", "attribute", "operation", "constant", "dictionary-member", "includes"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "EnabledForContext": {
            "contextsAllowed": ["attribute", "interface"]
        },
        "EnabledForWorld": {
            "contextsAllowed": ["attribute", "operation"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "EnforceRange": {
            "contextsAllowed": ["type"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#EnforceRange"
            }
        },
        "Exception": {
            "contextsAllowed": ["interface"]
        },
        "ResultField": {
            "contextsAllowed": ["operation"]
        },
        "ExportMacro": {
            "contextsAllowed": ["interface", "dictionary", "enum", "callback-function"],
            "values": ["WEBCORE_EXPORT", "WEBCORE_TESTSUPPORT_EXPORT"]
        },
        "ExportToWrappedFunction": {
            "contextsAllowed": ["interface"]
        },
        "Exposed": {
            "contextsAllowed": ["interface", "namespace", "attribute", "operation", "constant"],
            "values": ["*"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#Exposed"
            }
        },
        "GenerateAddOpaqueRoot": {
            "contextsAllowed": ["interface"],
            "values": ["*"]
        },
        "GenerateForEachEventHandlerContentAttribute": {
            "contextsAllowed": ["interface"],
            "values": ["*"]
        },
        "GenerateForEachWindowEventHandlerContentAttribute": {
            "contextsAllowed": ["interface"],
            "values": ["*"]
        },
        "GenerateIsReachable": {
            "contextsAllowed": ["interface"],
            "values": ["", "Impl", "ImplWebGLRenderingContext", "ImplCanvasBase", "ImplDocument", "ImplElementRoot", "ImplOwnerNodeRoot", "ImplScriptExecutionContext", "ReachableFromDOMWindow", "ReachableFromNavigator"]
        },
        "Global": {
            "contextsAllowed": ["interface"],
            "values": ["*"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#Global"
            }
        },
        "HTMLConstructor": {
            "contextsAllowed": ["operation"],
            "standard": {
                "url": "https://html.spec.whatwg.org/multipage/dom.html#htmlconstructor"
            },
            "unsupported": true
        },
        "ImplementedAs": {
            "contextsAllowed": ["interface", "dictionary", "dictionary-member", "enum", "attribute", "operation", "constant"],
            "values": ["*"]
        },
        "ImplementedBy": {
            "contextsAllowed": ["interface", "namespace", "dictionary", "dictionary-member", "attribute", "operation", "constant"],
            "values": ["*"]
        },
        "InterfaceName": {
            "contextsAllowed": ["interface", "namespace"],
            "values": ["*"]
        },
        "IsImmutablePrototypeExoticObject": {
            "contextsAllowed": ["interface"]
        },
        "IsImmutablePrototypeExoticObjectOnPrototype": {
            "contextsAllowed": ["interface"]
        },
        "IsWeakCallback": {
            "contextsAllowed": ["callback-function", "interface"]
        },
        "JSBuiltin": {
            "contextsAllowed": ["interface", "attribute", "operation"]
        },
        "JSCustomFinalize": {
            "contextsAllowed": ["interface"]
        },
        "JSCustomHeader": {
            "contextsAllowed": ["interface"]
        },
        "JSCustomMarkFunction": {
            "contextsAllowed": ["interface"]
        },
        "JSCustomToNativeObject": {
            "contextsAllowed": ["interface"]
        },
        "JSGenerateToJSObject": {
            "contextsAllowed": ["interface", "dictionary", "callback-function"]
        },
        "JSGenerateToNativeObject": {
            "contextsAllowed": ["interface"]
        },
        "JSLegacyParent": {
            "contextsAllowed": ["interface"],
            "values": ["*"]
        },
        "LegacyFactoryFunction": {
            "contextsAllowed": ["interface"],
            "values": ["*"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyFactoryFunction"
            }
        },
        "LegacyFactoryFunctionCallWith": {
            "contextsAllowed": ["interface"],
            "values": ["CurrentDocument", "CurrentScriptExecutionContext", "RuntimeFlags"],
            "supportsConjunction": true
        },
        "LegacyFactoryFunctionEnabledBySetting": {
            "contextsAllowed": ["attribute", "interface"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "LegacyLenientSetter": {
            "contextsAllowed": ["attribute"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyLenientSetter"
            },
            "unsupported": true
        },
        "LegacyLenientThis": {
            "contextsAllowed": ["attribute"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyLenientThis"
            }
        },
        "LegacyNamespace": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyNamespace"
            },
            "unsupported": true
        },
        "LegacyNoInterfaceObject": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyNoInterfaceObject"
            }
        },
        "LegacyNullToEmptyString": {
            "contextsAllowed": ["type"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyNullToEmptyString"
            }
        },
        "LegacyOverrideBuiltIns": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyOverrideBuiltIns"
            }
        },
        "LegacyTreatNonObjectAsNull": {
            "contextsAllowed": ["callback-function"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyTreatNonObjectAsNull"
            },
            "unsupported": true
        },
        "LegacyUnenumerableNamedProperties": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyUnenumerableNamedProperties"
            }
        },
        "LegacyUnforgeable": {
            "contextsAllowed": ["attribute", "operation", "interface"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyUnforgeable"
            }
        },
        "LegacyWindowAlias": {
            "contextsAllowed": ["interface"],
            "values": ["*"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#LegacyWindowAlias"
            }
        },
        "MasqueradesAsUndefined": {
            "contextsAllowed": ["interface"]
        },
        "NewImpurePropertyFiresWatchpoints": {
            "contextsAllowed": ["interface"]
        },
        "NewObject": {
            "contextsAllowed": ["operation", "attribute"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#NewObject"
            }
        },
        "NotEnumerable": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "OverrideIDLType": {
            "contextsAllowed": ["type"],
            "values": ["*"]
        },
        "PassContext": {
            "contextsAllowed": ["operation"],
            "notes" : "Only used by WebKitTestRunner and DumpRenderTree"
        },
        "Plugin": {
            "contextsAllowed": ["interface"],
            "notes" : "Should only be used by elements that forward to Netscape plug-ins"
        },
        "PrivateIdentifier": {
            "contextsAllowed": ["interface", "attribute", "operation"]
        },
        "PromiseProxy": {
            "contextsAllowed": ["operation"]
        },
        "PublicIdentifier": {
            "contextsAllowed": ["interface", "attribute", "operation"]
        },
        "PutForwards": {
            "contextsAllowed": ["attribute"],
            "values": ["*"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#PutForwards"
            }
        },
        "Reflect": {
            "contextsAllowed": ["attribute"],
            "values": ["*"]
        },
        "Replaceable": {
            "contextsAllowed": ["attribute"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#Replaceable"
            }
        },
        "ReportExtraMemoryCost": {
            "contextsAllowed": ["interface"]
        },
        "ReportExternalMemoryCost": {
            "contextsAllowed": ["interface"]
        },
        "RequiresExistingAtomString": {
            "contextsAllowed": ["type"]
        },
        "RethrowException": {
            "contextsAllowed": ["operation", "callback-function"]
        },
        "ReturnsOwnPromise": {
            "contextsAllowed": ["operation"]
        },
        "ReturnValue": {
            "contextsAllowed": ["argument"]
        },
        "RuntimeConditionallyReadWrite": {
            "contextsAllowed": ["attribute"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "SameObject": {
            "contextsAllowed": ["attribute"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#SameObject"
            },
            "unsupported": true
        },
        "SecureContext": {
            "contextsAllowed": ["interface", "namespace", "dictionary", "enum", "attribute", "operation", "constant"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#SecureContext"
            }
        },
        "Serializable": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://html.spec.whatwg.org/multipage/structured-data.html#serializable"
            },
            "unsupported": true
        },
        "SetterCallWith": {
            "contextsAllowed": ["attribute"],
            "values": ["CurrentScriptExecutionContext", "CurrentGlobalObject", "ActiveWindow", "FirstWindow", "PropertyName"],
            "supportsConjunction": true
        },
        "SettingsConditionallyReadWrite": {
            "contextsAllowed": ["attribute"],
            "values": ["*"],
            "supportsConjunction": true
        },
        "SkipCallbackInvokeCheck": {
            "contextsAllowed": ["operation", "callback-function"]
        },
        "SkipVTableValidation": {
            "contextsAllowed": ["interface"]
        },
        "SuppressToJSObject": {
            "contextsAllowed": ["interface"]
        },
        "TaggedWrapper": {
            "contextsAllowed": ["interface"]
        },
        "Transferable": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://html.spec.whatwg.org/multipage/structured-data.html#transferable"
            },
            "unsupported": true
        },
        "URL": {
            "contextsAllowed": ["attribute"]
        },
        "Unscopable": {
            "contextsAllowed": ["attribute", "operation"],
            "standard": {
                "url": "https://webidl.spec.whatwg.org/#Unscopable"
            }
        },
        "WindowEventHandler": {
            "contextsAllowed": ["attribute"]
        }
    }
}