{
    "contexts": [
        "type",
        "interface",
        "attribute",
        "operation",
        "argument",
        "callback-function",
        "dictionary",
        "dictionary-member",
        "enum",
        "constant",
        "union-member",
        "iterable",
        "map-like",
        "set-like"
    ],
    "attributes": {
        "ActiveDOMObject": {
            "contextsAllowed": ["interface"]
        },
        "AppleCopyright": {
            "contextsAllowed": ["interface", "attribute", "operation"]
        },
        "AtomString": {
            "contextsAllowed": ["type"]
        },
        "CEReactions": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "CachedAttribute": {
            "contextsAllowed": ["attribute"]
        },
        "CallTracingCallback": {
            "contextsAllowed": ["interface", "attribute", "operation"],
            "values": ["*"]
        },
        "CallbackNeedsOperatorEqual": {
            "contextsAllowed": ["callback-function"]
        },
        "CallbackThisObject": {
            "contextsAllowed": ["callback-function", "operation"]
        },
        "CallNamedSetterOnlyForSupportedProperties": {
            "contextsAllowed": ["operation"]
        },
        "CallWith": {
            "contextsAllowed": ["attribute", "operation"],
            "values": ["Document", "ExecState", "ScriptExecutionContext", "GlobalObject", "ActiveWindow", "FirstWindow", "ResponsibleDocument", "World"]
        },
        "CheckSecurity": {
            "contextsAllowed": ["interface"]
        },
        "CheckSecurityForNode": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "Clamp": {
            "contextsAllowed": ["type"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Clamp"
            }
        },
        "Conditional": {
            "contextsAllowed": ["interface", "dictionary", "dictionary-member", "enum", "attribute", "operation", "constant", "callback-function"],
            "values": ["*"]
        },
        "ConditionallyReadWrite": {
            "contextsAllowed": ["attribute"],
            "values": ["*"]
        },
        "ConstantsScope": {
            "contextsAllowed": ["interface"],
            "values": ["*"]
        },
        "Constructor": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Constructor"
            }
        },
        "ConstructorCallWith": {
            "contextsAllowed": ["interface"],
            "values": ["Document", "ExecState", "RuntimeFlags", "ScriptExecutionContext"]
        },
        "ConstructorEnabledBySetting": {
            "contextsAllowed": ["attribute", "interface"],
            "values": ["*"]
        },
        "ConstructorMayThrowException": {
            "contextsAllowed": ["interface"]
        },
        "ContextAllowsMediaDevices": {
            "contextsAllowed": ["attribute"]
        },
        "ContextHasServiceWorkerScheme": {
            "contextsAllowed": ["attribute"]
        },
        "Custom": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "CustomConstructor": {
            "contextsAllowed": ["interface"]
        },
        "CustomDefineOwnProperty": {
            "contextsAllowed": ["interface"]
        },
        "CustomDefineOwnPropertyOnPrototype": {
            "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"]
        },
        "CustomProxyToJSObject": {
            "contextsAllowed": ["interface"]
        },
        "CustomPushEventHandlerScope": {
            "contextsAllowed": ["interface"]
        },
        "CustomPut": {
            "contextsAllowed": ["interface"]
        },
        "CustomPutOnPrototype": {
            "contextsAllowed": ["interface"]
        },
        "CustomSetter": {
            "contextsAllowed": ["attribute"]
        },
        "CustomToJSObject": {
            "contextsAllowed": ["interface"]
        },
        "CustomToStringName": {
            "contextsAllowed": ["interface"]
        },
        "CustomEnabled": {
            "contextsAllowed": ["interface", "dictionary", "enum", "attribute", "operation", "constant", "iterable"]
        },
        "DOMJIT": {
            "contextsAllowed": ["interface", "attribute", "operation"],
            "values": ["", "ReadDOM", "Getter"]
        },
        "DefaultDefineOwnProperty": {
            "contextsAllowed": ["interface"]
        },
        "DoNotCheckConstants": {
            "contextsAllowed": ["interface"]
        },
        "DoNotCheckSecurity": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "DoNotCheckSecurityOnGetter": {
            "contextsAllowed": ["attribute"]
        },
        "DoNotCheckSecurityOnSetter": {
            "contextsAllowed": ["attribute"]
        },
        "DocumentEventHandler": {
            "contextsAllowed": ["attribute"]
        },
        "EnabledAtRuntime": {
            "contextsAllowed": ["interface", "dictionary", "enum", "attribute", "operation", "constant", "iterable"],
            "values": ["*"]
        },
        "EnabledBySetting": {
            "contextsAllowed": ["interface", "dictionary", "enum", "attribute", "operation", "constant", "dictionary-member"],
            "values": ["*"]
        },
        "DisabledByQuirk": {
            "contextsAllowed": ["interface", "dictionary", "enum", "attribute", "operation", "constant"],
            "values": ["*"]
        },
        "EnabledForContext": {
            "contextsAllowed": ["attribute", "interface"]
        },
        "EnabledForWorld": {
            "contextsAllowed": ["attribute", "operation"],
            "values": ["*"]
        },
        "EnforceRange": {
            "contextsAllowed": ["type"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#EnforceRange"
            }
        },
        "ResultField": {
            "contextsAllowed": ["operation"]
        },
        "ExportMacro": {
            "contextsAllowed": ["interface", "dictionary", "enum", "callback-function"],
            "values": ["WEBCORE_EXPORT", "WEBCORE_TESTSUPPORT_EXPORT"]
        },
        "ExportToWrappedFunction": {
            "contextsAllowed": ["interface"]
        },
        "Exposed": {
            "contextsAllowed": ["interface", "attribute", "operation", "constant"],
            "values": ["*"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Exposed"
            }
        },
        "ForwardDeclareInHeader": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "GenerateIsReachable": {
            "contextsAllowed": ["interface"],
            "values": ["", "Impl", "ImplWebGLRenderingContext", "ImplDocument", "ImplElementRoot", "ImplOwnerNodeRoot", "ImplScriptExecutionContext", "ReachableFromDOMWindow", "ReachableFromNavigator"]
        },
        "Global": {
            "contextsAllowed": ["interface"],
            "values": ["*"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Global"
            }
        },
        "ImplementedAs": {
            "contextsAllowed": ["interface", "dictionary", "dictionary-member", "enum", "attribute", "operation"],
            "values": ["*"]
        },
        "ImplementationLacksVTable": {
            "contextsAllowed": ["interface"]
        },
        "ImplicitThis": {
            "contextsAllowed": ["interface"]
        },
        "InterfaceName": {
            "contextsAllowed": ["interface"],
            "values": ["*"]
        },
        "IsImmutablePrototypeExoticObject": {
            "contextsAllowed": ["interface"]
        },
        "IsImmutablePrototypeExoticObjectOnPrototype": {
            "contextsAllowed": ["interface"]
        },
        "IsWeakCallback": {
            "contextsAllowed": ["callback-function", "interface"]
        },
        "JSBuiltin": {
            "contextsAllowed": ["interface", "attribute", "operation"]
        },
        "JSBuiltinConstructor": {
            "contextsAllowed": ["interface"]
        },
        "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": ["*"]
        },
        "LegacyArrayClass": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#LegacyArrayClass"
            },
            "unsupported": true
        },
        "LegacyUnenumerableNamedProperties": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#LegacyUnenumerableNamedProperties"
            }
        },
        "LegacyWindowAlias": {
            "contextsAllowed": ["interface"],
            "values": ["*"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#LegacyWindowAlias"
            }
        },
        "LenientSetter": {
            "contextsAllowed": ["attribute"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#LenientSetter"
            },
            "unsupported": true
        },
        "LenientThis": {
            "contextsAllowed": ["attribute"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#LenientThis"
            }
        },
        "MasqueradesAsUndefined": {
            "contextsAllowed": ["interface"]
        },
        "MayThrowException": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "NamedConstructor": {
            "contextsAllowed": ["interface"],
            "values": ["*"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#NamedConstructor"
            }
        },
        "NewImpurePropertyFiresWatchpoints": {
            "contextsAllowed": ["interface"]
        },
        "NewObject": {
            "contextsAllowed": ["attribute", "operation"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#NewObject"
            }
        },
        "NoInterfaceObject": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#NoInterfaceObject"
            }
        },
        "NotEnumerable": {
            "contextsAllowed": ["attribute", "operation"]
        },
        "OverrideBuiltins": {
            "contextsAllowed": ["interface"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#OverrideBuiltins"
            }
        },
        "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"
        },
        "PrimaryGlobal": {
            "contextsAllowed": ["interface"],
            "values": ["*"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Global"
            }
        },
        "PrivateIdentifier": {
            "contextsAllowed": ["interface", "attribute", "operation"]
        },
        "PromiseProxy": {
            "contextsAllowed": ["operation"]
        },
        "PublicIdentifier": {
            "contextsAllowed": ["interface", "attribute", "operation"]
        },
        "PutForwards": {
            "contextsAllowed": ["attribute"],
            "values": ["*"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#PutForwards"
            }
        },
        "Reflect": {
            "contextsAllowed": ["attribute", "constant"],
            "values": ["*"]
        },
        "Replaceable": {
            "contextsAllowed": ["attribute"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Replaceable"
            }
        },
        "ReportExtraMemoryCost": {
            "contextsAllowed": ["interface"]
        },
        "ReportExternalMemoryCost": {
            "contextsAllowed": ["interface"]
        },
        "RequiresExistingAtomString": {
            "contextsAllowed": ["type"]
        },
        "RethrowException": {
            "contextsAllowed": ["operation", "callback-function"]
        },
        "ReturnsOwnPromise": {
            "contextsAllowed": ["operation"]
        },
        "ReturnValue": {
            "contextsAllowed": ["argument"]
        },
        "SameObject": {
            "contextsAllowed": ["attribute"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Replaceable"
            },
            "unsupported": true
        },
        "SecureContext": {
            "contextsAllowed": ["interface", "dictionary", "enum", "attribute", "operation", "constant"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#SecureContext"
            }
        },
        "SetterCallWith": {
            "contextsAllowed": ["attribute"],
            "values": ["ExecState", "ScriptExecutionContext", "GlobalObject", "ActiveWindow", "FirstWindow"]
        },
        "SkipCallbackInvokeCheck": {
            "contextsAllowed": ["operation", "callback-function"]
        },
        "SkipVTableValidation": {
            "contextsAllowed": ["interface"]
        },
        "SuppressToJSObject": {
            "contextsAllowed": ["interface"]
        },
        "TreatNonObjectAsNull": {
            "contextsAllowed": ["callback-function"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#TreatNonObjectAsNull"
            },
            "unsupported": true
        },
        "TreatNullAs": {
            "contextsAllowed": ["type"],
            "values": ["EmptyString"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#TreatNullAs"
            }
        },
        "URL": {
            "contextsAllowed": ["attribute"]
        },
        "Unforgeable": {
            "contextsAllowed": ["attribute", "operation", "interface"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Unforgeable"
            }
        },
        "Unscopable": {
            "contextsAllowed": ["attribute", "operation"],
            "standard": {
                "url": "https://heycam.github.io/webidl/#Unscopable"
            }
        },
        "WindowEventHandler": {
            "contextsAllowed": ["attribute"]
        }
    }
}