{
  "ANGLEInstancedArrays": {
    "members": {
      "VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE": {
        "support_level": "untriaged"
      },
      "drawArraysInstancedANGLE": {
        "support_level": "untriaged"
      },
      "drawElementsInstancedANGLE": {
        "support_level": "untriaged"
      },
      "vertexAttribDivisorANGLE": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "AbstractWorker": {
    "comment": "http://www.w3.org/TR/workers/#the-abstractworker-abstract-interface",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "onerror": {},
      "removeEventListener": {}
    },
    "support_level": "stable"
  },
  "AesCbcParams": {
    "members": {
      "iv": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "AesCtrParams": {
    "members": {
      "counter": {
        "support_level": "untriaged"
      },
      "length": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "AesKeyGenParams": {
    "members": {
      "length": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "Algorithm": {
    "members": {
      "name": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "AnalyserNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AnalyserNode",
    "members": {
      "fftSize": {},
      "frequencyBinCount": {},
      "getByteFrequencyData": {},
      "getByteTimeDomainData": {},
      "getFloatFrequencyData": {},
      "maxDecibels": {},
      "minDecibels": {},
      "smoothingTimeConstant": {}
    },
    "support_level": "experimental"
  },
  "ApplicationCache": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html#application-cache-api",
    "dart_action": "unstable",
    "members": {
      "CHECKING": {},
      "DOWNLOADING": {},
      "IDLE": {},
      "OBSOLETE": {},
      "UNCACHED": {},
      "UPDATEREADY": {},
      "abort": {},
      "addEventListener": {},
      "dispatchEvent": {},
      "oncached": {},
      "onchecking": {},
      "ondownloading": {},
      "onerror": {},
      "onnoupdate": {},
      "onobsolete": {},
      "onprogress": {},
      "onupdateready": {},
      "removeEventListener": {},
      "status": {},
      "swapCache": {},
      "update": {}
    },
    "support_level": "stable"
  },
  "ArrayBuffer": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "byteLength": {},
      "slice": {}
    },
    "support_level": "stable"
  },
  "ArrayBufferView": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "buffer": {},
      "byteLength": {},
      "byteOffset": {}
    },
    "support_level": "stable"
  },
  "Attr": {
    "comment": "http://www.w3.org/TR/dom/#interface-attr",
    "members": {
      "isId": {},
      "localName": {
        "support_level": "untriaged"
      },
      "name": {},
      "namespaceURI": {
        "support_level": "untriaged"
      },
      "ownerElement": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "specified": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "value": {}
    },
    "support_level": "stable"
  },
  "AudioBuffer": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioBuffer-section",
    "members": {
      "duration": {},
      "gain": {},
      "getChannelData": {},
      "length": {},
      "numberOfChannels": {},
      "sampleRate": {}
    },
    "support_level": "experimental"
  },
  "AudioBufferCallback": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioBuffer-section",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "AudioBufferSourceNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioBufferSourceNode-section",
    "members": {
      "FINISHED_STATE": {},
      "PLAYING_STATE": {},
      "SCHEDULED_STATE": {},
      "UNSCHEDULED_STATE": {},
      "buffer": {},
      "gain": {},
      "loop": {},
      "loopEnd": {},
      "loopStart": {},
      "noteGrainOn": {},
      "noteOff": {},
      "noteOn": {},
      "onended": {
        "support_level": "untriaged"
      },
      "playbackRate": {},
      "playbackState": {},
      "start": {},
      "stop": {}
    },
    "support_level": "experimental"
  },
  "AudioContext": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioContext-section",
    "members": {
      "AudioContext": {},
      "activeSourceCount": {},
      "addEventListener": {
        "support_level": "untriaged"
      },
      "createAnalyser": {},
      "createBiquadFilter": {},
      "createBuffer": {},
      "createBufferFromBuffer": {},
      "createBufferSource": {},
      "createChannelMerger": {},
      "createChannelSplitter": {},
      "createConvolver": {},
      "createDelay": {},
      "createDelayNode": {},
      "createDynamicsCompressor": {},
      "createEmptyBuffer": {},
      "createGain": {},
      "createGainNode": {},
      "createJavaScriptNode": {},
      "createMediaElementSource": {},
      "createMediaStreamDestination": {},
      "createMediaStreamSource": {},
      "createOscillator": {},
      "createPanner": {},
      "createPeriodicWave": {
        "support_level": "untriaged"
      },
      "createScriptProcessor": {},
      "createWaveShaper": {},
      "createWaveTable": {},
      "currentTime": {},
      "decodeAudioData": {},
      "destination": {},
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "listener": {},
      "oncomplete": {},
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "sampleRate": {},
      "startRendering": {}
    },
    "support_level": "experimental"
  },
  "AudioDestinationNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioDestinationNode-section",
    "members": {
      "maxChannelCount": {}
    },
    "support_level": "experimental"
  },
  "AudioListener": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioListener-section",
    "members": {
      "dopplerFactor": {},
      "setOrientation": {},
      "setPosition": {},
      "setVelocity": {},
      "speedOfSound": {}
    },
    "support_level": "experimental"
  },
  "AudioNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioNode-section",
    "members": {
      "addEventListener": {},
      "channelCount": {},
      "channelCountMode": {},
      "channelInterpretation": {},
      "connect": {},
      "context": {},
      "disconnect": {},
      "dispatchEvent": {},
      "numberOfInputs": {},
      "numberOfOutputs": {},
      "removeEventListener": {}
    },
    "support_level": "experimental"
  },
  "AudioParam": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioParam",
    "members": {
      "cancelScheduledValues": {},
      "defaultValue": {},
      "exponentialRampToValueAtTime": {},
      "linearRampToValueAtTime": {},
      "maxValue": {},
      "minValue": {},
      "name": {},
      "setTargetAtTime": {},
      "setTargetValueAtTime": {},
      "setValueAtTime": {},
      "setValueCurveAtTime": {},
      "units": {},
      "value": {}
    },
    "support_level": "experimental"
  },
  "AudioProcessingEvent": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AudioProcessingEvent-section",
    "members": {
      "inputBuffer": {},
      "outputBuffer": {}
    },
    "support_level": "experimental"
  },
  "AudioSourceNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html",
    "members": {},
    "support_level": "experimental"
  },
  "AutocompleteErrorEvent": {
    "comment": "http://wiki.whatwg.org/wiki/RequestAutocomplete",
    "members": {
      "reason": {}
    },
    "support_level": "experimental"
  },
  "BarProp": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/browsers.html#barprop",
    "dart_action": "suppress",
    "members": {
      "visible": {}
    },
    "support_level": "standard"
  },
  "BatteryManager": {
    "comment": "https://dvcs.w3.org/hg/dap/raw-file/default/battery/Overview.html#batterymanager-interface",
    "dart_action": "experimental",
    "members": {
      "addEventListener": {},
      "charging": {},
      "chargingTime": {},
      "dischargingTime": {},
      "dispatchEvent": {},
      "level": {},
      "onchargingchange": {},
      "onchargingtimechange": {},
      "ondischargingtimechange": {},
      "onlevelchange": {},
      "removeEventListener": {}
    },
    "support_level": "stable"
  },
  "BeforeLoadEvent": {
    "members": {
      "url": {}
    },
    "support_level": "experimental"
  },
  "BeforeUnloadEvent": {
    "comment": "http://www.w3.org/html/wg/drafts/html/master/browsers.html#beforeunloadevent",
    "members": {
      "returnValue": {}
    },
    "support_level": "stable"
  },
  "BiquadFilterNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#BiquadFilterNode-section",
    "members": {
      "ALLPASS": {},
      "BANDPASS": {},
      "HIGHPASS": {},
      "HIGHSHELF": {},
      "LOWPASS": {},
      "LOWSHELF": {},
      "NOTCH": {},
      "PEAKING": {},
      "Q": {},
      "detune": {},
      "frequency": {},
      "gain": {},
      "getFrequencyResponse": {},
      "type": {}
    },
    "support_level": "experimental"
  },
  "Blob": {
    "comment": "http://www.w3.org/TR/FileAPI/#dfn-Blob",
    "members": {
      "Blob": {},
      "size": {},
      "slice": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "CDATASection": {
    "comment": "http://dom.spec.whatwg.org/#cdatasection",
    "dart_action": "suppress",
    "members": {},
    "support_level": "deprecated"
  },
  "CSS": {
    "comment": "http://www.w3.org/TR/css3-conditional/#the-css-interface",
    "dart_action": "experimental",
    "members": {
      "supports": {},
      "supportsCondition": {},
      "supportsProperty": {}
    }
  },
  "CSSCharsetRule": {
    "comment": "http://dev.w3.org/csswg/cssom/#the-csscharsetrule-interface",
    "members": {
      "encoding": {}
    },
    "support_level": "experimental"
  },
  "CSSFontFaceLoadEvent": {
    "comment": "http://www.w3.org/TR/css3-fonts/",
    "members": {
      "error": {},
      "fontface": {},
      "fontfaces": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "CSSFontFaceRule": {
    "comment": "http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSFontFaceRule",
    "members": {
      "style": {}
    },
    "support_level": "stable"
  },
  "CSSHostRule": {
    "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#css-host-rule-interface",
    "members": {
      "cssRules": {},
      "deleteRule": {},
      "insertRule": {}
    },
    "support_level": "experimental"
  },
  "CSSImportRule": {
    "comment": "http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSImportRule",
    "members": {
      "href": {},
      "media": {},
      "styleSheet": {}
    },
    "support_level": "stable"
  },
  "CSSKeyframeRule": {
    "members": {
      "keyText": {
        "support_level": "untriaged"
      },
      "style": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "CSSKeyframesRule": {
    "members": {
      "__getter__": {
        "support_level": "untriaged"
      },
      "cssRules": {
        "support_level": "untriaged"
      },
      "deleteRule": {
        "support_level": "untriaged"
      },
      "findRule": {
        "support_level": "untriaged"
      },
      "insertRule": {
        "support_level": "untriaged"
      },
      "name": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "CSSMediaRule": {
    "comment": "http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSMediaRule",
    "members": {
      "cssRules": {},
      "deleteRule": {},
      "insertRule": {},
      "media": {}
    },
    "support_level": "stable"
  },
  "CSSPageRule": {
    "comment": "http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSPageRule",
    "members": {
      "selectorText": {},
      "style": {}
    },
    "support_level": "stable"
  },
  "CSSPrimitiveValue": {
    "comment": "http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface",
    "dart_action": "suppress",
    "members": {
      "CSS_ATTR": {},
      "CSS_CM": {},
      "CSS_COUNTER": {},
      "CSS_DEG": {},
      "CSS_DIMENSION": {},
      "CSS_EMS": {},
      "CSS_EXS": {},
      "CSS_GRAD": {},
      "CSS_HZ": {},
      "CSS_IDENT": {},
      "CSS_IN": {},
      "CSS_KHZ": {},
      "CSS_MM": {},
      "CSS_MS": {},
      "CSS_NUMBER": {},
      "CSS_PC": {},
      "CSS_PERCENTAGE": {},
      "CSS_PT": {},
      "CSS_PX": {},
      "CSS_RAD": {},
      "CSS_RECT": {},
      "CSS_RGBCOLOR": {},
      "CSS_S": {},
      "CSS_STRING": {},
      "CSS_UNKNOWN": {},
      "CSS_URI": {},
      "CSS_VH": {},
      "CSS_VMAX": {},
      "CSS_VMIN": {},
      "CSS_VW": {},
      "getCounterValue": {},
      "getFloatValue": {},
      "getRGBColorValue": {},
      "getRectValue": {},
      "getStringValue": {},
      "primitiveType": {},
      "setFloatValue": {},
      "setStringValue": {}
    },
    "support_level": "deprecated"
  },
  "CSSRule": {
    "comment": "http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSRule",
    "members": {
      "CHARSET_RULE": {},
      "FONT_FACE_RULE": {},
      "HOST_RULE": {
        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#api-css-rule-host-rule",
        "support_level": "experimental"
      },
      "IMPORT_RULE": {},
      "KEYFRAMES_RULE": {
        "support_level": "untriaged"
      },
      "KEYFRAME_RULE": {
        "support_level": "untriaged"
      },
      "MEDIA_RULE": {},
      "PAGE_RULE": {},
      "STYLE_RULE": {},
      "SUPPORTS_RULE": {},
      "UNKNOWN_RULE": {
        "comment": "http://dev.w3.org/csswg/cssom/#changes-from-dom2",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "VIEWPORT_RULE": {
        "support_level": "untriaged"
      },
      "WEBKIT_FILTER_RULE": {
        "comment": "http://www.w3.org/TR/filter-effects/",
        "support_level": "experimental"
      },
      "WEBKIT_KEYFRAMES_RULE": {
        "comment": "http://www.w3.org/TR/css3-animations/#cssrule",
        "support_level": "experimental"
      },
      "WEBKIT_KEYFRAME_RULE": {
        "comment": "http://www.w3.org/TR/css3-animations/#cssrule",
        "support_level": "experimental"
      },
      "WEBKIT_REGION_RULE": {
        "comment": "http://dev.w3.org/csswg/css-regions/#region-style-rule-interface",
        "support_level": "experimental"
      },
      "cssText": {},
      "parentRule": {},
      "parentStyleSheet": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "CSSRuleList": {
    "comment": "http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSRuleList",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "stable"
  },
  "CSSStyleDeclaration": {
    "comment": "http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface",
    "members": {
      "__getter__": {
        "support_level": "untriaged"
      },
      "__setter__": {},
      "cssText": {},
      "getPropertyCSSValue": {
        "comment": "http://dev.w3.org/csswg/cssom/#the-cssstyledeclaration-interface",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "getPropertyPriority": {},
      "getPropertyValue": {},
      "item": {},
      "length": {},
      "parentRule": {},
      "removeProperty": {},
      "setProperty": {},
      "var": {
        "support_level": "untriaged"
      }
    },
    "support_level": "stable"
  },
  "CSSStyleRule": {
    "comment": "http://dev.w3.org/csswg/cssom/#the-cssstylerule-interface",
    "members": {
      "selectorText": {},
      "style": {}
    },
    "support_level": "stable"
  },
  "CSSStyleSheet": {
    "comment": "http://dev.w3.org/csswg/cssom/#the-cssstylesheet-interface",
    "members": {
      "addRule": {
        "support_level": "nonstandard"
      },
      "cssRules": {},
      "deleteRule": {},
      "insertRule": {},
      "ownerRule": {},
      "removeRule": {
        "support_level": "nonstandard"
      },
      "rules": {
        "support_level": "nonstandard"
      }
    },
    "support_level": "stable"
  },
  "CSSSupportsRule": {
    "comment": "http://www.w3.org/TR/css3-conditional/#csssupportsrule",
    "members": {
      "conditionText": {},
      "cssRules": {},
      "deleteRule": {},
      "insertRule": {}
    },
    "support_level": "standard"
  },
  "CSSUnknownRule": {
    "comment": "http://dev.w3.org/csswg/cssom/#the-cssstylesheet-interface",
    "dart_action": "suppress",
    "members": {},
    "support_level": "deprecated"
  },
  "CSSValue": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {
      "CSS_CUSTOM": {},
      "CSS_INHERIT": {},
      "CSS_PRIMITIVE_VALUE": {},
      "CSS_VALUE_LIST": {},
      "cssText": {},
      "cssValueType": {}
    },
    "support_level": "deprecated"
  },
  "CSSValueList": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "deprecated"
  },
  "CSSVariablesMap": {
    "members": {
      "clear": {
        "support_level": "untriaged"
      },
      "delete": {
        "support_level": "untriaged"
      },
      "forEach": {
        "support_level": "untriaged"
      },
      "get": {
        "support_level": "untriaged"
      },
      "has": {
        "support_level": "untriaged"
      },
      "set": {
        "support_level": "untriaged"
      },
      "size": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "CSSVariablesMapForEachCallback": {
    "members": {},
    "support_level": "untriaged"
  },
  "CSSViewportRule": {
    "members": {
      "style": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "Canvas2DContextAttributes": {
    "comment": "http://wiki.whatwg.org/wiki/CanvasOpaque#Suggested_IDL",
    "members": {
      "alpha": {}
    },
    "support_level": "experimental"
  },
  "CanvasGradient": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#canvasgradient",
    "members": {
      "addColorStop": {}
    },
    "support_level": "stable"
  },
  "CanvasPattern": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#canvaspattern",
    "members": {},
    "support_level": "stable"
  },
  "CanvasProxy": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#canvasproxy",
    "members": {},
    "support_level": "experimental"
  },
  "CanvasRenderingContext": {
    "members": {
      "canvas": {}
    },
    "support_level": "stable"
  },
  "CanvasRenderingContext2D": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#canvasrenderingcontext2d",
    "members": {
      "arc": {},
      "arcTo": {},
      "beginPath": {},
      "bezierCurveTo": {},
      "clearRect": {},
      "clearShadow": {
        "support_level": "nonstandard"
      },
      "clip": {},
      "closePath": {},
      "createImageData": {},
      "createImageDataFromImageData": {},
      "createLinearGradient": {},
      "createPattern": {},
      "createPatternFromCanvas": {},
      "createPatternFromImage": {},
      "createRadialGradient": {},
      "currentPath": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#path-objects",
        "support_level": "experimental"
      },
      "currentTransform": {
        "support_level": "untriaged"
      },
      "drawCustomFocusRing": {
        "support_level": "untriaged"
      },
      "drawImage": {},
      "drawImageFromRect": {},
      "drawSystemFocusRing": {
        "support_level": "untriaged"
      },
      "ellipse": {
        "support_level": "untriaged"
      },
      "fill": {},
      "fillRect": {},
      "fillStyle": {},
      "fillText": {},
      "font": {},
      "getContextAttributes": {
        "comment": "http://wiki.whatwg.org/wiki/CanvasOpaque#Suggested_IDL",
        "support_level": "experimental"
      },
      "getImageData": {},
      "getLineDash": {},
      "globalAlpha": {},
      "globalCompositeOperation": {},
      "imageSmoothingEnabled": {
        "support_level": "untriaged"
      },
      "isPointInPath": {},
      "isPointInStroke": {},
      "lineCap": {},
      "lineDashOffset": {},
      "lineJoin": {},
      "lineTo": {},
      "lineWidth": {},
      "measureText": {},
      "miterLimit": {},
      "moveTo": {},
      "putImageData": {},
      "quadraticCurveTo": {},
      "rect": {},
      "resetTransform": {
        "support_level": "untriaged"
      },
      "restore": {},
      "rotate": {},
      "save": {},
      "scale": {},
      "setAlpha": {
        "support_level": "nonstandard"
      },
      "setCompositeOperation": {
        "support_level": "nonstandard"
      },
      "setFillColor": {
        "support_level": "nonstandard"
      },
      "setFillColorCmyk": {},
      "setFillColorRgb": {},
      "setLineCap": {
        "support_level": "nonstandard"
      },
      "setLineDash": {},
      "setLineJoin": {
        "support_level": "nonstandard"
      },
      "setLineWidth": {
        "support_level": "nonstandard"
      },
      "setMiterLimit": {
        "support_level": "nonstandard"
      },
      "setShadow": {
        "support_level": "nonstandard"
      },
      "setShadowCmyk": {},
      "setShadowRgb": {},
      "setStrokeColor": {
        "support_level": "nonstandard"
      },
      "setStrokeColorCmyk": {},
      "setStrokeColorRgb": {},
      "setTransform": {},
      "shadowBlur": {},
      "shadowColor": {},
      "shadowOffsetX": {},
      "shadowOffsetY": {},
      "stroke": {},
      "strokeRect": {},
      "strokeStyle": {},
      "strokeText": {},
      "textAlign": {},
      "textBaseline": {},
      "transform": {},
      "translate": {},
      "webkitBackingStorePixelRatio": {
        "support_level": "experimental"
      },
      "webkitGetImageDataHD": {
        "support_level": "experimental"
      },
      "webkitImageSmoothingEnabled": {
        "support_level": "experimental"
      },
      "webkitLineDash": {
        "support_level": "experimental"
      },
      "webkitLineDashOffset": {
        "support_level": "experimental"
      },
      "webkitPutImageDataHD": {
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "ChannelMergerNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#ChannelMergerNode-section",
    "members": {},
    "support_level": "experimental"
  },
  "ChannelSplitterNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#ChannelSplitterNode-section",
    "members": {},
    "support_level": "experimental"
  },
  "CharacterData": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-FF21A306",
    "members": {
      "appendData": {},
      "data": {},
      "deleteData": {},
      "insertData": {},
      "length": {},
      "nextElementSibling": {
        "comment": "http://dom.spec.whatwg.org/#childnode"
      },
      "previousElementSibling": {
        "comment": "http://dom.spec.whatwg.org/#childnode"
      },
      "remove": {
        "support_level": "nonstandard"
      },
      "replaceData": {},
      "substringData": {}
    },
    "support_level": "stable"
  },
  "ChildNode": {
    "members": {
      "nextElementSibling": {
        "support_level": "untriaged"
      },
      "previousElementSibling": {
        "support_level": "untriaged"
      },
      "remove": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "ClientRect": {
    "comment": "http://www.w3.org/TR/cssom-view/#the-clientrect-interface",
    "members": {
      "bottom": {},
      "height": {},
      "left": {},
      "right": {},
      "top": {},
      "width": {}
    },
    "support_level": "stable"
  },
  "ClientRectList": {
    "comment": "http://www.w3.org/TR/cssom-view/#the-clientrectlist-interface",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "stable"
  },
  "Clipboard": {
    "comment": "http://www.w3.org/html/wg/drafts/html/master/editing.html#the-datatransfer-interface (Should be DataTransfer)",
    "members": {
      "clearData": {},
      "dropEffect": {},
      "effectAllowed": {},
      "files": {},
      "getData": {},
      "items": {},
      "setData": {},
      "setDragImage": {},
      "types": {}
    },
    "support_level": "stable"
  },
  "CloseEvent": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/network.html#closeevent",
    "members": {
      "code": {},
      "reason": {},
      "wasClean": {}
    },
    "support_level": "stable"
  },
  "Comment": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1728279322",
    "members": {
      "Comment": {}
    },
    "support_level": "stable"
  },
  "Composition": {
    "comment": "http://www.w3.org/TR/ime-api/#idl-def-Composition",
    "members": {
      "caret": {},
      "selectionEnd": {
        "support_level": "untriaged"
      },
      "selectionStart": {
        "support_level": "untriaged"
      },
      "text": {}
    },
    "support_level": "experimental"
  },
  "CompositionEvent": {
    "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#events-CompositionEvent",
    "members": {
      "data": {},
      "initCompositionEvent": {}
    },
    "support_level": "stable"
  },
  "Console": {
    "members": {
      "assert": {
        "support_level": "untriaged"
      },
      "assertCondition": {
        "support_level": "experimental"
      },
      "clear": {
        "support_level": "experimental"
      },
      "count": {
        "support_level": "experimental"
      },
      "debug": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "dir": {},
      "dirxml": {
        "support_level": "experimental"
      },
      "error": {},
      "group": {},
      "groupCollapsed": {},
      "groupEnd": {},
      "info": {},
      "log": {},
      "markTimeline": {
        "support_level": "experimental"
      },
      "memory": {
        "support_level": "experimental"
      },
      "profile": {
        "support_level": "experimental"
      },
      "profileEnd": {
        "support_level": "experimental"
      },
      "profiles": {
        "support_level": "experimental"
      },
      "table": {
        "support_level": "experimental"
      },
      "time": {},
      "timeEnd": {},
      "timeStamp": {
        "support_level": "experimental"
      },
      "trace": {},
      "warn": {}
    },
    "support_level": "stable"
  },
  "ConsoleBase": {
    "members": {
      "assertCondition": {
        "support_level": "untriaged"
      },
      "clear": {
        "support_level": "untriaged"
      },
      "count": {
        "support_level": "untriaged"
      },
      "debug": {
        "support_level": "untriaged"
      },
      "dir": {
        "support_level": "untriaged"
      },
      "dirxml": {
        "support_level": "untriaged"
      },
      "error": {
        "support_level": "untriaged"
      },
      "group": {
        "support_level": "untriaged"
      },
      "groupCollapsed": {
        "support_level": "untriaged"
      },
      "groupEnd": {
        "support_level": "untriaged"
      },
      "info": {
        "support_level": "untriaged"
      },
      "log": {
        "support_level": "untriaged"
      },
      "markTimeline": {
        "support_level": "untriaged"
      },
      "profile": {
        "support_level": "untriaged"
      },
      "profileEnd": {
        "support_level": "untriaged"
      },
      "table": {
        "support_level": "untriaged"
      },
      "time": {
        "support_level": "untriaged"
      },
      "timeEnd": {
        "support_level": "untriaged"
      },
      "timeStamp": {
        "support_level": "untriaged"
      },
      "timeline": {
        "support_level": "untriaged"
      },
      "timelineEnd": {
        "support_level": "untriaged"
      },
      "trace": {
        "support_level": "untriaged"
      },
      "warn": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "ConvolverNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#ConvolverNode",
    "members": {
      "buffer": {},
      "normalize": {}
    },
    "support_level": "experimental"
  },
  "Coordinates": {
    "comment": "http://www.w3.org/TR/geolocation-API/#coordinates_interface",
    "members": {
      "accuracy": {},
      "altitude": {},
      "altitudeAccuracy": {},
      "heading": {},
      "latitude": {},
      "longitude": {},
      "speed": {}
    },
    "support_level": "stable"
  },
  "Counter": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {
      "identifier": {},
      "listStyle": {},
      "separator": {}
    },
    "support_level": "deprecated"
  },
  "Crypto": {
    "comment": "http://www.w3.org/TR/WebCryptoAPI/",
    "members": {
      "getRandomValues": {},
      "subtle": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "CryptoOperation": {
    "members": {
      "abort": {
        "support_level": "untriaged"
      },
      "algorithm": {
        "support_level": "untriaged"
      },
      "finish": {
        "support_level": "untriaged"
      },
      "process": {
        "support_level": "untriaged"
      },
      "processByteBuffer": {
        "support_level": "untriaged"
      },
      "processTypedData": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "CustomElementConstructor": {
    "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/custom/index.html#dfn-custom-element-constructor-generation",
    "dart_action": "suppress",
    "members": {},
    "support_level": "experimental"
  },
  "CustomEvent": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#interface-CustomEvent",
    "members": {
      "_detail": {
        "support_level": "untriaged"
      },
      "detail": {},
      "initCustomEvent": {}
    },
    "support_level": "stable"
  },
  "DOMApplicationCache": {
    "members": {
      "CHECKING": {
        "support_level": "untriaged"
      },
      "DOWNLOADING": {
        "support_level": "untriaged"
      },
      "IDLE": {
        "support_level": "untriaged"
      },
      "OBSOLETE": {
        "support_level": "untriaged"
      },
      "UNCACHED": {
        "support_level": "untriaged"
      },
      "UPDATEREADY": {
        "support_level": "untriaged"
      },
      "abort": {
        "support_level": "untriaged"
      },
      "addEventListener": {
        "support_level": "untriaged"
      },
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "onerror": {
        "support_level": "untriaged"
      },
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "status": {
        "support_level": "untriaged"
      },
      "swapCache": {
        "support_level": "untriaged"
      },
      "update": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "DOMError": {
    "comment": "http://www.w3.org/TR/dom/#interface-domerror",
    "members": {
      "message": {
        "support_level": "untriaged"
      },
      "name": {}
    },
    "support_level": "stable"
  },
  "DOMException": {
    "comment": "http://www.w3.org/TR/dom/#domexception (Should be DOMException)",
    "dart_action": "unstable",
    "members": {
      "ABORT_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "DATA_CLONE_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "DOMSTRING_SIZE_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "HIERARCHY_REQUEST_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "INDEX_SIZE_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "INUSE_ATTRIBUTE_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "INVALID_ACCESS_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "INVALID_CHARACTER_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "INVALID_MODIFICATION_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "INVALID_NODE_TYPE_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "INVALID_STATE_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "NAMESPACE_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "NETWORK_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "NOT_FOUND_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "NOT_SUPPORTED_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "NO_DATA_ALLOWED_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "NO_MODIFICATION_ALLOWED_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "QUOTA_EXCEEDED_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SECURITY_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SYNTAX_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "TIMEOUT_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "TYPE_MISMATCH_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "URL_MISMATCH_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "VALIDATION_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "WRONG_DOCUMENT_ERR": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "code": {
        "comment": "http://www.w3.org/TR/dom/#dom-domexception-code",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "message": {},
      "name": {},
      "toString": {}
    },
    "support_level": "stable"
  },
  "DOMFileSystem": {
    "comment": "http://www.w3.org/TR/file-system-api/",
    "members": {
      "name": {},
      "root": {}
    },
    "support_level": "experimental"
  },
  "DOMFileSystemSync": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-filesystemsync-interface",
    "members": {
      "name": {},
      "root": {}
    },
    "support_level": "experimental"
  },
  "DOMImplementation": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-102161490",
    "members": {
      "createCSSStyleSheet": {
        "support_level": "nonstandard"
      },
      "createDocument": {},
      "createDocumentType": {},
      "createHTMLDocument": {},
      "hasFeature": {}
    },
    "support_level": "stable"
  },
  "DOMParser": {
    "members": {
      "DOMParser": {},
      "parseFromString": {}
    },
    "support_level": "stable"
  },
  "DOMSettableTokenList": {
    "comment": "http://dev.w3.org/html5/spec-LC/common-dom-interfaces.html#domsettabletokenlist-0",
    "members": {
      "__getter__": {},
      "value": {}
    },
    "support_level": "stable"
  },
  "DOMStringList": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Core/core.html#DOMStringList",
    "members": {
      "contains": {},
      "item": {},
      "length": {}
    },
    "support_level": "stable"
  },
  "DOMStringMap": {
    "comment": "http://dev.w3.org/html5/spec-LC/common-dom-interfaces.html#domstringmap-0",
    "members": {
      "__delete__": {},
      "__getter__": {},
      "__setter__": {}
    },
    "support_level": "stable"
  },
  "DOMTokenList": {
    "comment": "http://dev.w3.org/html5/spec-LC/common-dom-interfaces.html#domtokenlist-0",
    "members": {
      "contains": {},
      "item": {},
      "length": {},
      "toString": {},
      "toggle": {}
    },
    "support_level": "stable"
  },
  "DataTransferItem": {
    "comment": "http://www.w3.org/TR/2011/WD-html5-20110113/dnd.html#the-datatransferitem-interface",
    "members": {
      "getAsFile": {},
      "getAsString": {},
      "kind": {},
      "type": {},
      "webkitGetAsEntry": {
        "support_level": "experimental"
      }
    },
    "support_level": "experimental"
  },
  "DataTransferItemList": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#the-datatransferitemlist-interface",
    "members": {
      "__getter__": {
        "support_level": "untriaged"
      },
      "add": {},
      "addData": {},
      "addFile": {},
      "clear": {},
      "item": {},
      "length": {},
      "remove": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "DataView": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "getFloat32": {},
      "getFloat64": {},
      "getInt16": {},
      "getInt32": {},
      "getInt8": {},
      "getUint16": {},
      "getUint32": {},
      "getUint8": {},
      "setFloat32": {},
      "setFloat64": {},
      "setInt16": {},
      "setInt32": {},
      "setInt8": {},
      "setUint16": {},
      "setUint32": {},
      "setUint8": {}
    },
    "support_level": "stable"
  },
  "Database": {
    "comment": "http://www.w3.org/TR/webdatabase/#asynchronous-database-api",
    "dart_action": "experimental",
    "members": {
      "changeVersion": {},
      "readTransaction": {},
      "transaction": {},
      "version": {}
    },
    "support_level": "deprecated"
  },
  "DatabaseCallback": {
    "comment": "http://www.w3.org/TR/webdatabase/#databasecallback",
    "dart_action": "experimental",
    "members": {
      "handleEvent": {}
    },
    "support_level": "deprecated"
  },
  "DatabaseSync": {
    "comment": "http://www.w3.org/TR/webdatabase/#databasesync",
    "dart_action": "suppress",
    "members": {
      "changeVersion": {},
      "lastErrorMessage": {},
      "readTransaction": {},
      "transaction": {},
      "version": {}
    },
    "support_level": "deprecated"
  },
  "DedicatedWorkerContext": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html",
    "members": {
      "onmessage": {},
      "postMessage": {}
    },
    "support_level": "experimental"
  },
  "DedicatedWorkerGlobalScope": {
    "members": {
      "onmessage": {
        "support_level": "untriaged"
      },
      "postMessage": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "DelayNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#DelayNode",
    "members": {
      "delayTime": {}
    },
    "support_level": "experimental"
  },
  "DeviceAcceleration": {
    "comment": "http://dev.w3.org/geo/api/spec-source-orientation.html#devicemotion",
    "members": {
      "x": {},
      "y": {},
      "z": {}
    },
    "support_level": "experimental"
  },
  "DeviceMotionEvent": {
    "comment": "http://dev.w3.org/geo/api/spec-source-orientation.html#devicemotion",
    "members": {
      "acceleration": {},
      "accelerationIncludingGravity": {},
      "interval": {},
      "rotationRate": {}
    },
    "support_level": "experimental"
  },
  "DeviceOrientationEvent": {
    "comment": "http://dev.w3.org/geo/api/spec-source-orientation.html#devicemotion",
    "members": {
      "absolute": {},
      "alpha": {},
      "beta": {},
      "gamma": {},
      "initDeviceOrientationEvent": {}
    },
    "support_level": "experimental"
  },
  "DeviceRotationRate": {
    "comment": "http://dev.w3.org/geo/api/spec-source-orientation.html#devicemotion",
    "members": {
      "alpha": {},
      "beta": {},
      "gamma": {}
    },
    "support_level": "experimental"
  },
  "DirectoryEntry": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-directoryentry-interface",
    "members": {
      "createReader": {},
      "getDirectory": {},
      "getFile": {},
      "removeRecursively": {}
    },
    "support_level": "experimental"
  },
  "DirectoryEntrySync": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-directoryentrysync-interface",
    "members": {
      "createReader": {},
      "getDirectory": {},
      "getFile": {},
      "removeRecursively": {}
    },
    "support_level": "experimental"
  },
  "DirectoryReader": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-directoryreader-interface",
    "members": {
      "readEntries": {}
    },
    "support_level": "experimental"
  },
  "DirectoryReaderSync": {
    "comment": "http://www.w3.org/TR/file-system-api/#idl-def-DirectoryReaderSync",
    "members": {
      "readEntries": {}
    },
    "support_level": "experimental"
  },
  "Document": {
    "comment": "http://dom.spec.whatwg.org/#interface-document",
    "members": {
      "URL": {},
      "adoptNode": {},
      "anchors": {
        "dart_action": "suppress"
      },
      "applets": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "body": {},
      "caretRangeFromPoint": {
        "comment": "http://www.w3.org/TR/2009/WD-cssom-view-20090804/#dom-documentview-caretrangefrompoint",
        "support_level": "experimental"
      },
      "characterSet": {},
      "charset": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "childElementCount": {
        "comment": "http://dom.spec.whatwg.org/#parentnode"
      },
      "children": {
        "comment": "http://dom.spec.whatwg.org/#parentnode"
      },
      "compatMode": {
        "dart_action": "suppress"
      },
      "cookie": {},
      "createAttribute": {
        "comment": "http://dom.spec.whatwg.org/#dom-document-createattribute",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "createAttributeNS": {
        "comment": "http://dom.spec.whatwg.org/#dom-document-createattributens",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "createCDATASection": {
        "comment": "http://dom.spec.whatwg.org/#dom-document-createcdatasection",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "createComment": {},
      "createDocumentFragment": {},
      "createElement": {},
      "createElementNS": {},
      "createEntityReference": {
        "comment": "http://dom.spec.whatwg.org/#dom-document-createentityreference",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "createEvent": {},
      "createExpression": {
        "dart_action": "suppress"
      },
      "createNSResolver": {
        "comment": "http://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#XPathEvaluator-createNSResolver",
        "dart_action": "suppress"
      },
      "createNodeIterator": {
        "dart_action": "unstable"
      },
      "createProcessingInstruction": {
        "comment": "https://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#dom-document-createprocessinginstruction",
        "dart_action": "unstable"
      },
      "createRange": {},
      "createTextNode": {},
      "createTouch": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "createTouchList": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "createTreeWalker": {},
      "currentScript": {
        "support_level": "untriaged"
      },
      "defaultCharset": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "defaultView": {},
      "doctype": {
        "dart_action": "suppress"
      },
      "documentElement": {},
      "documentURI": {},
      "domain": {},
      "elementFromPoint": {},
      "evaluate": {
        "dart_action": "suppress"
      },
      "execCommand": {},
      "firstElementChild": {
        "comment": "http://dom.spec.whatwg.org/#parentnode"
      },
      "fontloader": {
        "comment": "http://www.w3.org/TR/css3-fonts/#document-fontloader",
        "support_level": "experimental"
      },
      "fonts": {
        "support_level": "untriaged"
      },
      "forms": {},
      "getCSSCanvasContext": {
        "comment": "https://developer.apple.com/library/safari/#documentation/AppleApplications/Reference/SafariCSSRef/Articles/Functions.html",
        "support_level": "nonstandard"
      },
      "getElementById": {},
      "getElementsByClassName": {},
      "getElementsByName": {},
      "getElementsByTagName": {},
      "getElementsByTagNameNS": {},
      "getOverrideStyle": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "getSelection": {
        "dart_action": "unstable"
      },
      "head": {},
      "hidden": {
        "support_level": "untriaged"
      },
      "images": {
        "dart_action": "suppress"
      },
      "implementation": {},
      "importNode": {},
      "inputEncoding": {
        "comment": "http://www.w3.org/TR/domcore/",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "lastElementChild": {
        "comment": "http://dom.spec.whatwg.org/#parentnode"
      },
      "lastModified": {},
      "links": {
        "dart_action": "suppress"
      },
      "location": {
        "dart_action": "suppress"
      },
      "onabort": {},
      "onbeforecopy": {},
      "onbeforecut": {},
      "onbeforepaste": {},
      "onblur": {},
      "oncanplay": {
        "support_level": "untriaged"
      },
      "oncanplaythrough": {
        "support_level": "untriaged"
      },
      "onchange": {},
      "onclick": {},
      "oncontextmenu": {},
      "oncopy": {},
      "oncut": {},
      "ondblclick": {},
      "ondoubleclick": {
        "support_level": "untriaged"
      },
      "ondrag": {},
      "ondragend": {},
      "ondragenter": {},
      "ondragleave": {},
      "ondragover": {},
      "ondragstart": {},
      "ondrop": {},
      "ondurationchange": {
        "support_level": "untriaged"
      },
      "onemptied": {
        "support_level": "untriaged"
      },
      "onended": {
        "support_level": "untriaged"
      },
      "onerror": {},
      "onfocus": {},
      "onfullscreenchange": {
        "support_level": "untriaged"
      },
      "onfullscreenerror": {
        "support_level": "untriaged"
      },
      "oninput": {},
      "oninvalid": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/section-index.html#attributes-1"
      },
      "onkeydown": {},
      "onkeypress": {},
      "onkeyup": {},
      "onload": {},
      "onloadeddata": {
        "support_level": "untriaged"
      },
      "onloadedmetadata": {
        "support_level": "untriaged"
      },
      "onmousedown": {},
      "onmouseenter": {
        "support_level": "untriaged"
      },
      "onmouseleave": {
        "support_level": "untriaged"
      },
      "onmousemove": {},
      "onmouseout": {},
      "onmouseover": {},
      "onmouseup": {},
      "onmousewheel": {},
      "onpaste": {},
      "onpause": {
        "support_level": "untriaged"
      },
      "onplay": {
        "support_level": "untriaged"
      },
      "onplaying": {
        "support_level": "untriaged"
      },
      "onpointerlockchange": {
        "support_level": "untriaged"
      },
      "onpointerlockerror": {
        "support_level": "untriaged"
      },
      "onratechange": {
        "support_level": "untriaged"
      },
      "onreadystatechange": {},
      "onreset": {},
      "onscroll": {},
      "onsearch": {
        "comment": "http://www.w3.org/TR/html-markup/input.search.html",
        "support_level": "experimental"
      },
      "onsecuritypolicyviolation": {
        "comment": "https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#widl-Document-onsecuritypolicyviolation",
        "support_level": "experimental"
      },
      "onseeked": {
        "support_level": "untriaged"
      },
      "onseeking": {
        "support_level": "untriaged"
      },
      "onselect": {},
      "onselectionchange": {},
      "onselectstart": {},
      "onstalled": {
        "support_level": "untriaged"
      },
      "onsubmit": {},
      "onsuspend": {
        "support_level": "untriaged"
      },
      "ontimeupdate": {
        "support_level": "untriaged"
      },
      "ontouchcancel": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchend": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchmove": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchstart": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "onvolumechange": {
        "support_level": "untriaged"
      },
      "onwaiting": {
        "support_level": "untriaged"
      },
      "onwebkitfullscreenchange": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "support_level": "experimental"
      },
      "onwebkitfullscreenerror": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "support_level": "experimental"
      },
      "onwebkitpointerlockchange": {
        "comment": "https://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html#widl-Document-onpointerlockchange",
        "support_level": "experimental"
      },
      "onwebkitpointerlockerror": {
        "comment": "https://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html#widl-Document-onpointerlockerror",
        "support_level": "experimental"
      },
      "onwheel": {
        "support_level": "untriaged"
      },
      "preferredStylesheetSet": {
        "comment": "http://dev.w3.org/csswg/cssom/#widl-Document-preferredStyleSheetSet"
      },
      "queryCommandEnabled": {},
      "queryCommandIndeterm": {},
      "queryCommandState": {},
      "queryCommandSupported": {},
      "queryCommandValue": {},
      "querySelector": {},
      "querySelectorAll": {},
      "readyState": {},
      "referrer": {},
      "securityPolicy": {
        "comment": "https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#idl-def-SecurityPolicy",
        "support_level": "experimental"
      },
      "selectedStylesheetSet": {
        "comment": "http://dev.w3.org/csswg/cssom/#widl-Document-selectedStyleSheetSet"
      },
      "styleSheets": {},
      "title": {},
      "visibilityState": {
        "support_level": "untriaged"
      },
      "webkitCancelFullScreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitCurrentFullScreenElement": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitExitFullscreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-document-exitfullscreen",
        "support_level": "experimental"
      },
      "webkitExitPointerLock": {
        "comment": "https://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html#widl-Document-exitPointerLock-void",
        "support_level": "experimental"
      },
      "webkitFullScreenKeyboardInputAllowed": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitFullscreenElement": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-document-fullscreenelement",
        "support_level": "experimental"
      },
      "webkitFullscreenEnabled": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-document-fullscreenenabled",
        "support_level": "experimental"
      },
      "webkitGetNamedFlows": {
        "comment": "http://www.w3.org/TR/css3-regions/#dom-named-flow-collection",
        "support_level": "experimental"
      },
      "webkitHidden": {
        "comment": "https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/PageVisibility/Overview.html#document",
        "support_level": "experimental"
      },
      "webkitIsFullScreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitPointerLockElement": {
        "comment": "https://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html#widl-Document-pointerLockElement",
        "support_level": "experimental"
      },
      "webkitRegister": {
        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/custom/index.html#dfn-document-register",
        "support_level": "experimental"
      },
      "webkitVisibilityState": {
        "comment": "https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/PageVisibility/Overview.html#dom-document-visibilitystate",
        "support_level": "experimental"
      },
      "window": {
        "support_level": "untriaged"
      },
      "xmlEncoding": {
        "comment": "http://dom.spec.whatwg.org/#dom-document-xmlencoding",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "xmlStandalone": {
        "comment": "http://dom.spec.whatwg.org/#dom-document-xmlstandalone",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "xmlVersion": {
        "comment": "http://dom.spec.whatwg.org/#dom-document-xmlversion",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "DocumentFragment": {
    "members": {
      "DocumentFragment": {},
      "childElementCount": {
        "comment": "http://dom.spec.whatwg.org/#parentnode"
      },
      "firstElementChild": {
        "comment": "http://dom.spec.whatwg.org/#parentnode"
      },
      "lastElementChild": {
        "comment": "http://dom.spec.whatwg.org/#parentnode"
      },
      "querySelector": {},
      "querySelectorAll": {}
    },
    "support_level": "stable"
  },
  "DocumentType": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-412266927",
    "dart_action": "suppress",
    "members": {
      "entities": {
        "comment": "http://dom.spec.whatwg.org/#dom-documenttype-entities",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "internalSubset": {
        "comment": "http://dom.spec.whatwg.org/#dom-documenttype-internalsubset",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "name": {},
      "notations": {
        "comment": "http://dom.spec.whatwg.org/#dom-documenttype-notations",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "publicId": {},
      "remove": {
        "support_level": "nonstandard"
      },
      "systemId": {}
    },
    "support_level": "stable"
  },
  "DynamicsCompressorNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#DynamicsCompressorNode",
    "members": {
      "attack": {},
      "knee": {},
      "ratio": {},
      "reduction": {},
      "release": {},
      "threshold": {}
    },
    "support_level": "experimental"
  },
  "EXTFragDepth": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/EXT_frag_depth/",
    "members": {},
    "support_level": "experimental"
  },
  "EXTTextureFilterAnisotropic": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/EXT_texture_filter_anisotropic/",
    "members": {
      "MAX_TEXTURE_MAX_ANISOTROPY_EXT": {},
      "TEXTURE_MAX_ANISOTROPY_EXT": {}
    },
    "support_level": "experimental"
  },
  "Element": {
    "comment": "http://dom.spec.whatwg.org/#interface-element",
    "members": {
      "ALLOW_KEYBOARD_INPUT": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-element-requestfullscreen",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "animate": {
        "support_level": "untriaged"
      },
      "attributes": {},
      "blur": {},
      "childElementCount": {},
      "children": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "classList": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/elements.html#dom-classlist"
      },
      "className": {},
      "click": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "clientHeight": {},
      "clientLeft": {},
      "clientTop": {},
      "clientWidth": {},
      "contentEditable": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "createShadowRoot": {
        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#api-shadow-aware-create-shadow-root",
        "support_level": "experimental"
      },
      "dataset": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/elements.html#dom-dataset"
      },
      "dir": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "draggable": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "firstElementChild": {},
      "focus": {},
      "getAttribute": {
        "support_level": "untriaged"
      },
      "getAttributeNS": {
        "support_level": "untriaged"
      },
      "getAttributeNode": {
        "comment": "http://dom.spec.whatwg.org/#dom-element-getattributenode",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "getAttributeNodeNS": {
        "comment": "http://dom.spec.whatwg.org/#dom-element-getattributenodens",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "getBoundingClientRect": {},
      "getClientRects": {},
      "getDestinationInsertionPoints": {
        "support_level": "untriaged"
      },
      "getElementsByClassName": {},
      "getElementsByTagName": {},
      "getElementsByTagNameNS": {
        "dart_action": "suppress"
      },
      "getInputContext": {
        "comment": "http://www.w3.org/TR/ime-api/#the-getinputcontext-method",
        "support_level": "experimental"
      },
      "hasAttribute": {},
      "hasAttributeNS": {},
      "hasAttributes": {},
      "hidden": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "id": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "innerHTML": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "inputMethodContext": {
        "support_level": "untriaged"
      },
      "insertAdjacentElement": {
        "support_level": "untriaged"
      },
      "insertAdjacentHTML": {
        "support_level": "untriaged"
      },
      "insertAdjacentText": {
        "support_level": "untriaged"
      },
      "isContentEditable": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "lang": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "lastElementChild": {},
      "localName": {
        "support_level": "untriaged"
      },
      "namespaceURI": {
        "support_level": "untriaged"
      },
      "nextElementSibling": {},
      "offsetHeight": {},
      "offsetLeft": {},
      "offsetParent": {},
      "offsetTop": {},
      "offsetWidth": {},
      "onabort": {},
      "onbeforecopy": {},
      "onbeforecut": {},
      "onbeforepaste": {},
      "onblur": {},
      "oncanplay": {
        "support_level": "untriaged"
      },
      "oncanplaythrough": {
        "support_level": "untriaged"
      },
      "onchange": {},
      "onclick": {},
      "oncontextmenu": {},
      "oncopy": {},
      "oncut": {},
      "ondblclick": {},
      "ondoubleclick": {
        "support_level": "untriaged"
      },
      "ondrag": {},
      "ondragend": {},
      "ondragenter": {},
      "ondragleave": {},
      "ondragover": {},
      "ondragstart": {},
      "ondrop": {},
      "ondurationchange": {
        "support_level": "untriaged"
      },
      "onemptied": {
        "support_level": "untriaged"
      },
      "onended": {
        "support_level": "untriaged"
      },
      "onerror": {},
      "onfocus": {},
      "onfullscreenchange": {
        "support_level": "untriaged"
      },
      "onfullscreenerror": {
        "support_level": "untriaged"
      },
      "oninput": {},
      "oninvalid": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/section-index.html#attributes-1"
      },
      "onkeydown": {},
      "onkeypress": {},
      "onkeyup": {},
      "onload": {},
      "onloadeddata": {
        "support_level": "untriaged"
      },
      "onloadedmetadata": {
        "support_level": "untriaged"
      },
      "onmousedown": {},
      "onmouseenter": {
        "support_level": "untriaged"
      },
      "onmouseleave": {
        "support_level": "untriaged"
      },
      "onmousemove": {},
      "onmouseout": {},
      "onmouseover": {},
      "onmouseup": {},
      "onmousewheel": {
        "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#events-wheelevents",
        "support_level": "nonstandard"
      },
      "onpaste": {},
      "onpause": {
        "support_level": "untriaged"
      },
      "onplay": {
        "support_level": "untriaged"
      },
      "onplaying": {
        "support_level": "untriaged"
      },
      "onratechange": {
        "support_level": "untriaged"
      },
      "onreset": {},
      "onscroll": {},
      "onsearch": {
        "comment": "http://www.w3.org/TR/html-markup/input.search.html",
        "support_level": "experimental"
      },
      "onseeked": {
        "support_level": "untriaged"
      },
      "onseeking": {
        "support_level": "untriaged"
      },
      "onselect": {},
      "onselectstart": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "onstalled": {
        "support_level": "untriaged"
      },
      "onsubmit": {},
      "onsuspend": {
        "support_level": "untriaged"
      },
      "ontimeupdate": {
        "support_level": "untriaged"
      },
      "ontouchcancel": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchend": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchenter": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchleave": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchmove": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchstart": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontransitionend": {},
      "onvolumechange": {
        "support_level": "untriaged"
      },
      "onwaiting": {
        "support_level": "untriaged"
      },
      "onwebkitTransitionEnd": {
        "support_level": "deprecated"
      },
      "onwebkitfullscreenchange": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "support_level": "experimental"
      },
      "onwebkitfullscreenerror": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "support_level": "experimental"
      },
      "onwheel": {
        "support_level": "untriaged"
      },
      "outerHTML": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "previousElementSibling": {},
      "pseudo": {
        "support_level": "untriaged"
      },
      "querySelector": {},
      "querySelectorAll": {},
      "remove": {
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "removeAttribute": {},
      "removeAttributeNS": {},
      "removeAttributeNode": {
        "comment": "http://dom.spec.whatwg.org/#dom-element-removeattributenode",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "scrollByLines": {},
      "scrollByPages": {},
      "scrollHeight": {},
      "scrollIntoView": {
        "comment": "http://dev.w3.org/csswg/cssom-view/#widl-Element-scrollIntoView-void-boolean-top"
      },
      "scrollIntoViewIfNeeded": {
        "comment": "http://docs.webplatform.org/wiki/dom/methods/scrollIntoViewIfNeeded",
        "support_level": "nonstandard"
      },
      "scrollLeft": {},
      "scrollTop": {},
      "scrollWidth": {},
      "setAttribute": {},
      "setAttributeNS": {},
      "setAttributeNode": {
        "comment": "http://dom.spec.whatwg.org/#dom-element-setattributenode",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "setAttributeNodeNS": {},
      "shadowRoot": {
        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#api-shadow-aware-create-shadow-root",
        "support_level": "experimental"
      },
      "spellcheck": {
        "comment": "http://blog.whatwg.org/the-road-to-html-5-spellchecking",
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "style": {},
      "tabIndex": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "tagName": {},
      "title": {
        "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
        "dart_action": "stable",
        "support_level": "nonstandard"
      },
      "translate": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/elements.html#the-translate-attribute",
        "support_level": "experimental"
      },
      "webkitGetRegionFlowRanges": {
        "comment": "http://dev.w3.org/csswg/css-regions/#dom-region-getregionflowranges",
        "support_level": "experimental"
      },
      "webkitInsertionParent": {
        "comment": "https://www.w3.org/Bugs/Public/show_bug.cgi?id=21067",
        "support_level": "experimental"
      },
      "webkitMatchesSelector": {
        "comment": "http://dev.w3.org/2006/webapi/selectors-api2/#matches",
        "support_level": "experimental"
      },
      "webkitPseudo": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "webkitRegionOverset": {
        "comment": "http://dev.w3.org/csswg/css-regions/#dom-region-regionoverset",
        "support_level": "experimental"
      },
      "webkitRequestFullScreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-element-requestfullscreen",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitRequestFullscreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-element-requestfullscreen",
        "support_level": "experimental"
      },
      "webkitRequestPointerLock": {
        "comment": "https://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html#widl-Element-requestPointerLock-void",
        "support_level": "experimental"
      },
      "webkitdropzone": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#the-dropzone-attribute",
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "ElementTimeControl": {
    "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceElementTimeControl",
    "dart_action": "unstable",
    "members": {
      "beginElement": {},
      "beginElementAt": {},
      "endElement": {},
      "endElementAt": {}
    },
    "support_level": "stable"
  },
  "ElementTraversal": {
    "dart_action": "unstable",
    "members": {
      "childElementCount": {},
      "firstElementChild": {},
      "lastElementChild": {},
      "nextElementSibling": {},
      "previousElementSibling": {}
    },
    "support_level": "stable"
  },
  "Entity": {
    "dart_action": "suppress",
    "members": {
      "notationName": {},
      "publicId": {},
      "systemId": {}
    },
    "support_level": "deprecated"
  },
  "EntityReference": {
    "dart_action": "suppress",
    "members": {},
    "support_level": "deprecated"
  },
  "EntriesCallback": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-entriescallback-interface",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "Entry": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-entry-interface",
    "members": {
      "copyTo": {},
      "filesystem": {},
      "fullPath": {},
      "getMetadata": {},
      "getParent": {},
      "isDirectory": {},
      "isFile": {},
      "moveTo": {},
      "name": {},
      "remove": {},
      "toURL": {}
    },
    "support_level": "experimental"
  },
  "EntryArray": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-entry-interface",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "EntryArraySync": {
    "comment": "http://www.w3.org/TR/file-system-api/#idl-def-EntrySync",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "EntryCallback": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-entrycallback-interface",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "EntrySync": {
    "comment": "http://www.w3.org/TR/file-system-api/#idl-def-EntrySync",
    "members": {
      "copyTo": {},
      "filesystem": {},
      "fullPath": {},
      "getMetadata": {},
      "getParent": {},
      "isDirectory": {},
      "isFile": {},
      "moveTo": {},
      "name": {},
      "remove": {},
      "toURL": {}
    },
    "support_level": "experimental"
  },
  "ErrorCallback": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-errorcallback-interface",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "ErrorEvent": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#errorevent",
    "dart_action": "unstable",
    "members": {
      "colno": {
        "support_level": "untriaged"
      },
      "error": {
        "support_level": "untriaged"
      },
      "filename": {},
      "lineno": {},
      "message": {}
    },
    "support_level": "stable"
  },
  "Event": {
    "members": {
      "AT_TARGET": {},
      "BLUR": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "BUBBLING_PHASE": {},
      "CAPTURING_PHASE": {},
      "CHANGE": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "CLICK": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "DBLCLICK": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "DRAGDROP": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "FOCUS": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "KEYDOWN": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "KEYPRESS": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "KEYUP": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "MOUSEDOWN": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "MOUSEDRAG": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "MOUSEMOVE": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "MOUSEOUT": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "MOUSEOVER": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "MOUSEUP": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "NONE": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SELECT": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.captureEvents",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "bubbles": {},
      "cancelBubble": {
        "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#events-event-type-stopPropagation",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "cancelable": {},
      "clipboardData": {
        "comment": "Part of copy/paste",
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "currentTarget": {},
      "defaultPrevented": {},
      "eventPhase": {},
      "initEvent": {},
      "path": {
        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#extensions-to-event",
        "support_level": "experimental"
      },
      "preventDefault": {},
      "returnValue": {
        "comment": "http://dev.w3.org/html5/spec-LC/history.html#dom-beforeunloadevent-returnvalue",
        "support_level": "nonstandard"
      },
      "srcElement": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "stopImmediatePropagation": {},
      "stopPropagation": {},
      "target": {},
      "timeStamp": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "EventException": {
    "comment": "http://www.w3.org/TR/2006/WD-DOM-Level-3-Events-20060413/events.html#Events-EventException",
    "dart_action": "unstable",
    "members": {
      "DISPATCH_REQUEST_ERR": {},
      "UNSPECIFIED_EVENT_TYPE_ERR": {},
      "code": {},
      "message": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "name": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "toString": {}
    },
    "support_level": "stable"
  },
  "EventSource": {
    "comment": "http://www.w3.org/TR/eventsource/#the-eventsource-interface",
    "dart_action": "experimental",
    "members": {
      "CLOSED": {},
      "CONNECTING": {},
      "EventSource": {},
      "OPEN": {},
      "URL": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "addEventListener": {},
      "close": {},
      "dispatchEvent": {},
      "onerror": {},
      "onmessage": {},
      "onopen": {},
      "readyState": {},
      "removeEventListener": {},
      "url": {},
      "withCredentials": {}
    },
    "support_level": "stable"
  },
  "EventTarget": {
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "removeEventListener": {}
    },
    "support_level": "stable"
  },
  "File": {
    "comment": "http://www.w3.org/TR/FileAPI/#dfn-file",
    "members": {
      "lastModified": {
        "support_level": "untriaged"
      },
      "lastModifiedDate": {},
      "name": {},
      "webkitRelativePath": {
        "comment": "https://plus.sandbox.google.com/+AddyOsmani/posts/Dk5UhZ6zfF3",
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "FileCallback": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-filecallback-interface",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "FileEntry": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-fileentry-interface",
    "members": {
      "createWriter": {},
      "file": {}
    },
    "support_level": "experimental"
  },
  "FileEntrySync": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-fileentrysync-interface",
    "members": {
      "createWriter": {},
      "file": {}
    },
    "support_level": "experimental"
  },
  "FileError": {
    "comment": "http://dev.w3.org/2009/dap/file-system/pub/FileSystem/",
    "members": {
      "ABORT_ERR": {},
      "ENCODING_ERR": {},
      "INVALID_MODIFICATION_ERR": {},
      "INVALID_STATE_ERR": {},
      "NOT_FOUND_ERR": {},
      "NOT_READABLE_ERR": {},
      "NO_MODIFICATION_ALLOWED_ERR": {},
      "PATH_EXISTS_ERR": {},
      "QUOTA_EXCEEDED_ERR": {},
      "SECURITY_ERR": {},
      "SYNTAX_ERR": {},
      "TYPE_MISMATCH_ERR": {},
      "code": {}
    },
    "support_level": "experimental"
  },
  "FileException": {
    "comment": "http://dev.w3.org/2009/dap/file-system/pub/FileSystem/",
    "members": {
      "ABORT_ERR": {},
      "ENCODING_ERR": {},
      "INVALID_MODIFICATION_ERR": {},
      "INVALID_STATE_ERR": {},
      "NOT_FOUND_ERR": {},
      "NOT_READABLE_ERR": {},
      "NO_MODIFICATION_ALLOWED_ERR": {},
      "PATH_EXISTS_ERR": {},
      "QUOTA_EXCEEDED_ERR": {},
      "SECURITY_ERR": {},
      "SYNTAX_ERR": {},
      "TYPE_MISMATCH_ERR": {},
      "code": {},
      "message": {},
      "name": {},
      "toString": {}
    },
    "support_level": "experimental"
  },
  "FileList": {
    "comment": "http://www.w3.org/TR/FileAPI/#dfn-filelist",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "stable"
  },
  "FileReader": {
    "comment": "http://www.w3.org/TR/FileAPI/#FileReader-interface",
    "members": {
      "DONE": {},
      "EMPTY": {},
      "FileReader": {},
      "LOADING": {},
      "abort": {},
      "addEventListener": {},
      "dispatchEvent": {},
      "error": {},
      "onabort": {},
      "onerror": {},
      "onload": {},
      "onloadend": {},
      "onloadstart": {},
      "onprogress": {},
      "readAsArrayBuffer": {},
      "readAsBinaryString": {
        "comment": "http://blog.whatwg.org/weekly-stream-autocomplete",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "readAsDataURL": {},
      "readAsText": {},
      "readyState": {},
      "removeEventListener": {},
      "result": {}
    },
    "support_level": "stable"
  },
  "FileReaderSync": {
    "comment": "http://www.w3.org/TR/FileAPI/#FileReaderSync",
    "members": {
      "FileReaderSync": {},
      "readAsArrayBuffer": {},
      "readAsBinaryString": {},
      "readAsDataURL": {},
      "readAsText": {}
    },
    "support_level": "experimental"
  },
  "FileSystemCallback": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-filesystemcallback-interface",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "FileWriter": {
    "comment": "http://www.w3.org/TR/file-writer-api/#the-filewriter-interface",
    "members": {
      "DONE": {},
      "INIT": {},
      "WRITING": {},
      "abort": {},
      "addEventListener": {},
      "dispatchEvent": {},
      "error": {},
      "length": {},
      "onabort": {},
      "onerror": {},
      "onprogress": {},
      "onwrite": {},
      "onwriteend": {},
      "onwritestart": {},
      "position": {},
      "readyState": {},
      "removeEventListener": {},
      "seek": {},
      "truncate": {},
      "write": {}
    },
    "support_level": "experimental"
  },
  "FileWriterCallback": {
    "comment": "http://www.w3.org/TR/file-writer-api/#idl-def-FileWriter",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "FileWriterSync": {
    "comment": "http://www.w3.org/TR/file-writer-api/#idl-def-FileWriterSync",
    "members": {
      "length": {},
      "position": {},
      "seek": {},
      "truncate": {},
      "write": {}
    },
    "support_level": "experimental"
  },
  "Float32Array": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "BYTES_PER_ELEMENT": {},
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "Float64Array": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "BYTES_PER_ELEMENT": {},
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "FocusEvent": {
    "members": {
      "relatedTarget": {}
    },
    "support_level": "stable"
  },
  "FontFace": {
    "members": {
      "FontFace": {},
      "family": {
        "support_level": "untriaged"
      },
      "featureSettings": {
        "support_level": "untriaged"
      },
      "load": {
        "support_level": "untriaged"
      },
      "status": {
        "support_level": "untriaged"
      },
      "stretch": {
        "support_level": "untriaged"
      },
      "style": {
        "support_level": "untriaged"
      },
      "unicodeRange": {
        "support_level": "untriaged"
      },
      "variant": {
        "support_level": "untriaged"
      },
      "weight": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "FontFaceSet": {
    "members": {
      "addEventListener": {
        "support_level": "untriaged"
      },
      "check": {
        "support_level": "untriaged"
      },
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "match": {
        "support_level": "untriaged"
      },
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "status": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "FontLoader": {
    "comment": "http://www.w3.org/TR/css3-fonts/#document-fontloader",
    "members": {
      "addEventListener": {},
      "checkFont": {},
      "dispatchEvent": {},
      "loadFont": {},
      "loading": {},
      "notifyWhenFontsReady": {},
      "onerror": {},
      "onload": {},
      "onloading": {},
      "onloadingdone": {},
      "onloadstart": {},
      "removeEventListener": {}
    },
    "support_level": "experimental"
  },
  "FormData": {
    "comment": "http://www.w3.org/TR/XMLHttpRequest2/#interface-formdata",
    "members": {
      "FormData": {},
      "append": {},
      "appendBlob": {},
      "appendString": {}
    },
    "support_level": "stable"
  },
  "GainNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#GainNode",
    "members": {
      "gain": {}
    },
    "support_level": "experimental"
  },
  "Gamepad": {
    "comment": "https://dvcs.w3.org/hg/gamepad/raw-file/default/gamepad.html#gamepad-interface",
    "members": {
      "axes": {},
      "buttons": {},
      "id": {},
      "index": {},
      "timestamp": {}
    },
    "support_level": "experimental"
  },
  "GamepadList": {
    "comment": "https://dvcs.w3.org/hg/gamepad/raw-file/default/gamepad.html",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "Geolocation": {
    "comment": "http://dev.w3.org/geo/api/spec-source.html#geolocation_interface",
    "dart_action": "unstable",
    "members": {
      "clearWatch": {},
      "getCurrentPosition": {},
      "watchPosition": {}
    },
    "support_level": "stable"
  },
  "Geoposition": {
    "comment": "http://dev.w3.org/geo/api/spec-source.html#position",
    "dart_action": "unstable",
    "members": {
      "coords": {},
      "timestamp": {}
    },
    "support_level": "stable"
  },
  "GlobalEventHandlers": {
    "members": {
      "onabort": {
        "support_level": "untriaged"
      },
      "onblur": {
        "support_level": "untriaged"
      },
      "oncanplay": {
        "support_level": "untriaged"
      },
      "oncanplaythrough": {
        "support_level": "untriaged"
      },
      "onchange": {
        "support_level": "untriaged"
      },
      "onclick": {
        "support_level": "untriaged"
      },
      "oncontextmenu": {
        "support_level": "untriaged"
      },
      "ondblclick": {
        "support_level": "untriaged"
      },
      "ondoubleclick": {
        "support_level": "untriaged"
      },
      "ondrag": {
        "support_level": "untriaged"
      },
      "ondragend": {
        "support_level": "untriaged"
      },
      "ondragenter": {
        "support_level": "untriaged"
      },
      "ondragleave": {
        "support_level": "untriaged"
      },
      "ondragover": {
        "support_level": "untriaged"
      },
      "ondragstart": {
        "support_level": "untriaged"
      },
      "ondrop": {
        "support_level": "untriaged"
      },
      "ondurationchange": {
        "support_level": "untriaged"
      },
      "onemptied": {
        "support_level": "untriaged"
      },
      "onended": {
        "support_level": "untriaged"
      },
      "onerror": {
        "support_level": "untriaged"
      },
      "onfocus": {
        "support_level": "untriaged"
      },
      "oninput": {
        "support_level": "untriaged"
      },
      "oninvalid": {
        "support_level": "untriaged"
      },
      "onkeydown": {
        "support_level": "untriaged"
      },
      "onkeypress": {
        "support_level": "untriaged"
      },
      "onkeyup": {
        "support_level": "untriaged"
      },
      "onload": {
        "support_level": "untriaged"
      },
      "onloadeddata": {
        "support_level": "untriaged"
      },
      "onloadedmetadata": {
        "support_level": "untriaged"
      },
      "onmousedown": {
        "support_level": "untriaged"
      },
      "onmouseenter": {
        "support_level": "untriaged"
      },
      "onmouseleave": {
        "support_level": "untriaged"
      },
      "onmousemove": {
        "support_level": "untriaged"
      },
      "onmouseout": {
        "support_level": "untriaged"
      },
      "onmouseover": {
        "support_level": "untriaged"
      },
      "onmouseup": {
        "support_level": "untriaged"
      },
      "onmousewheel": {
        "support_level": "untriaged"
      },
      "onpause": {
        "support_level": "untriaged"
      },
      "onplay": {
        "support_level": "untriaged"
      },
      "onplaying": {
        "support_level": "untriaged"
      },
      "onratechange": {
        "support_level": "untriaged"
      },
      "onreset": {
        "support_level": "untriaged"
      },
      "onscroll": {
        "support_level": "untriaged"
      },
      "onseeked": {
        "support_level": "untriaged"
      },
      "onseeking": {
        "support_level": "untriaged"
      },
      "onselect": {
        "support_level": "untriaged"
      },
      "onstalled": {
        "support_level": "untriaged"
      },
      "onsubmit": {
        "support_level": "untriaged"
      },
      "onsuspend": {
        "support_level": "untriaged"
      },
      "ontimeupdate": {
        "support_level": "untriaged"
      },
      "onvolumechange": {
        "support_level": "untriaged"
      },
      "onwaiting": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "HTMLAllCollection": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dom-document-all",
    "dart_action": "suppress",
    "members": {
      "__getter__": {},
      "item": {},
      "length": {},
      "namedItem": {},
      "tags": {}
    },
    "support_level": "deprecated"
  },
  "HTMLAnchorElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-a-element",
    "members": {
      "HTMLAnchorElement": {},
      "charset": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLAnchorElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "coords": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLAnchorElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "download": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/links.html#attr-hyperlink-download"
      },
      "hash": {},
      "host": {},
      "hostname": {},
      "href": {},
      "hreflang": {},
      "name": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLAnchorElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "origin": {
        "comment": "WebKit only",
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "password": {
        "support_level": "untriaged"
      },
      "pathname": {},
      "ping": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-a-element",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "port": {},
      "protocol": {},
      "rel": {},
      "rev": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLAnchorElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "search": {},
      "shape": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLAnchorElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "target": {},
      "text": {},
      "toString": {},
      "type": {},
      "username": {
        "support_level": "untriaged"
      }
    },
    "support_level": "stable"
  },
  "HTMLAppletElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#the-applet-element",
    "dart_action": "suppress",
    "members": {
      "align": {},
      "alt": {},
      "archive": {},
      "code": {},
      "codeBase": {},
      "height": {},
      "hspace": {},
      "name": {},
      "object": {},
      "vspace": {},
      "width": {}
    },
    "support_level": "deprecated"
  },
  "HTMLAreaElement": {
    "comment": "http://developers.whatwg.org/the-map-element.html#the-area-element",
    "members": {
      "HTMLAreaElement": {},
      "alt": {},
      "coords": {},
      "hash": {},
      "host": {},
      "hostname": {},
      "href": {},
      "noHref": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLAreaElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "origin": {
        "support_level": "untriaged"
      },
      "password": {
        "support_level": "untriaged"
      },
      "pathname": {},
      "ping": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLAreaElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "port": {},
      "protocol": {},
      "search": {},
      "shape": {},
      "target": {},
      "toString": {
        "support_level": "untriaged"
      },
      "username": {
        "support_level": "untriaged"
      }
    },
    "support_level": "stable"
  },
  "HTMLAudioElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#the-audio-element",
    "members": {
      "HTMLAudioElement": {}
    },
    "support_level": "stable"
  },
  "HTMLBRElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-br-element",
    "members": {
      "HTMLBRElement": {},
      "clear": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBRElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLBaseElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-base-element",
    "members": {
      "HTMLBaseElement": {},
      "href": {},
      "target": {}
    },
    "support_level": "stable"
  },
  "HTMLBaseFontElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#basefont",
    "dart_action": "suppress",
    "members": {
      "color": {},
      "face": {},
      "size": {}
    },
    "support_level": "deprecated"
  },
  "HTMLBodyElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-body-element",
    "members": {
      "HTMLBodyElement": {},
      "aLink": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "background": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "bgColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "link": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "onbeforeunload": {},
      "onblur": {},
      "onerror": {},
      "onfocus": {},
      "onhashchange": {},
      "onload": {},
      "onmessage": {},
      "onoffline": {},
      "ononline": {},
      "onpopstate": {},
      "onresize": {},
      "onscroll": {
        "support_level": "untriaged"
      },
      "onstorage": {},
      "onunload": {},
      "text": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "vLink": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLBodyElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLButtonElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-button-element",
    "members": {
      "HTMLButtonElement": {},
      "autofocus": {},
      "checkValidity": {},
      "disabled": {},
      "form": {},
      "formAction": {},
      "formEnctype": {},
      "formMethod": {},
      "formNoValidate": {},
      "formTarget": {},
      "labels": {
        "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels",
        "dart_action": "unstable"
      },
      "name": {},
      "setCustomValidity": {},
      "type": {},
      "validationMessage": {},
      "validity": {},
      "value": {},
      "willValidate": {}
    },
    "support_level": "stable"
  },
  "HTMLCanvasElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#the-canvas-element",
    "members": {
      "HTMLCanvasElement": {},
      "getContext": {},
      "height": {},
      "onwebglcontextlost": {
        "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.15.2"
      },
      "onwebglcontextrestored": {
        "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.15.3"
      },
      "toDataURL": {},
      "width": {}
    },
    "support_level": "stable"
  },
  "HTMLCollection": {
    "comment": "http://www.w3.org/TR/domcore/#interface-htmlcollection",
    "members": {
      "__getter__": {},
      "item": {},
      "length": {},
      "namedItem": {}
    },
    "support_level": "stable"
  },
  "HTMLContentElement": {
    "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#content-element",
    "members": {
      "HTMLContentElement": {},
      "getDistributedNodes": {},
      "resetStyleInheritance": {},
      "select": {}
    },
    "support_level": "experimental"
  },
  "HTMLDListElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-dl-element",
    "members": {
      "HTMLDListElement": {},
      "compact": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLDListElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLDataListElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-datalist-element",
    "members": {
      "HTMLDataListElement": {},
      "options": {}
    },
    "support_level": "stable"
  },
  "HTMLDetailsElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-details-element",
    "members": {
      "HTMLDetailsElement": {},
      "open": {}
    },
    "support_level": "stable"
  },
  "HTMLDialogElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#the-dialog-element",
    "dart_action": "unstable",
    "members": {
      "close": {},
      "open": {},
      "returnValue": {
        "support_level": "untriaged"
      },
      "show": {},
      "showModal": {}
    },
    "support_level": "stable"
  },
  "HTMLDirectoryElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dir",
    "dart_action": "suppress",
    "members": {
      "compact": {}
    },
    "support_level": "deprecated"
  },
  "HTMLDivElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-div-element",
    "members": {
      "HTMLDivElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLDivElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLDocument": {
    "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-documents.html#htmldocument",
    "members": {
      "activeElement": {},
      "alinkColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dom-document-alinkcolor",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "all": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dom-document-all",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "bgColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dom-document-bgcolor",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "captureEvents": {
        "comment": "http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-flow-capture",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "clear": {
        "support_level": "suppressed"
      },
      "close": {},
      "compatMode": {},
      "designMode": {},
      "dir": {},
      "embeds": {},
      "fgColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dom-document-fgcolor",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "hasFocus": {},
      "height": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "linkColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dom-document-linkcolor",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "open": {
        "comment": "http://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-72161170"
      },
      "plugins": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "releaseEvents": {
        "comment": "http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-flow-capture",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "scripts": {
        "dart_action": "suppress"
      },
      "vlinkColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#dom-document-vlinkcolor",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "width": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/document.width",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "write": {},
      "writeln": {}
    },
    "support_level": "stable"
  },
  "HTMLElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-elements.html#htmlelement",
    "members": {
      "accessKey": {},
      "children": {},
      "click": {},
      "contentEditable": {},
      "dir": {},
      "draggable": {},
      "getInputContext": {
        "comment": "http://www.w3.org/TR/ime-api/#the-getinputcontext-method",
        "support_level": "experimental"
      },
      "hidden": {},
      "id": {},
      "innerHTML": {},
      "innerText": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "inputMethodContext": {
        "support_level": "untriaged"
      },
      "insertAdjacentElement": {
        "support_level": "nonstandard"
      },
      "insertAdjacentHTML": {
        "comment": "http://domparsing.spec.whatwg.org/#insertadjacenthtml%28%29"
      },
      "insertAdjacentText": {
        "support_level": "nonstandard"
      },
      "isContentEditable": {},
      "lang": {},
      "onabort": {
        "support_level": "untriaged"
      },
      "onblur": {
        "support_level": "untriaged"
      },
      "oncanplay": {
        "support_level": "untriaged"
      },
      "oncanplaythrough": {
        "support_level": "untriaged"
      },
      "onchange": {
        "support_level": "untriaged"
      },
      "onclick": {
        "support_level": "untriaged"
      },
      "oncontextmenu": {
        "support_level": "untriaged"
      },
      "ondblclick": {
        "support_level": "untriaged"
      },
      "ondoubleclick": {
        "support_level": "untriaged"
      },
      "ondrag": {
        "support_level": "untriaged"
      },
      "ondragend": {
        "support_level": "untriaged"
      },
      "ondragenter": {
        "support_level": "untriaged"
      },
      "ondragleave": {
        "support_level": "untriaged"
      },
      "ondragover": {
        "support_level": "untriaged"
      },
      "ondragstart": {
        "support_level": "untriaged"
      },
      "ondrop": {
        "support_level": "untriaged"
      },
      "ondurationchange": {
        "support_level": "untriaged"
      },
      "onemptied": {
        "support_level": "untriaged"
      },
      "onended": {
        "support_level": "untriaged"
      },
      "onerror": {
        "support_level": "untriaged"
      },
      "onfocus": {
        "support_level": "untriaged"
      },
      "oninput": {
        "support_level": "untriaged"
      },
      "oninvalid": {
        "support_level": "untriaged"
      },
      "onkeydown": {
        "support_level": "untriaged"
      },
      "onkeypress": {
        "support_level": "untriaged"
      },
      "onkeyup": {
        "support_level": "untriaged"
      },
      "onload": {
        "support_level": "untriaged"
      },
      "onloadeddata": {
        "support_level": "untriaged"
      },
      "onloadedmetadata": {
        "support_level": "untriaged"
      },
      "onmousedown": {
        "support_level": "untriaged"
      },
      "onmouseenter": {
        "support_level": "untriaged"
      },
      "onmouseleave": {
        "support_level": "untriaged"
      },
      "onmousemove": {
        "support_level": "untriaged"
      },
      "onmouseout": {
        "support_level": "untriaged"
      },
      "onmouseover": {
        "support_level": "untriaged"
      },
      "onmouseup": {
        "support_level": "untriaged"
      },
      "onmousewheel": {
        "support_level": "untriaged"
      },
      "onpause": {
        "support_level": "untriaged"
      },
      "onplay": {
        "support_level": "untriaged"
      },
      "onplaying": {
        "support_level": "untriaged"
      },
      "onratechange": {
        "support_level": "untriaged"
      },
      "onreset": {
        "support_level": "untriaged"
      },
      "onscroll": {
        "support_level": "untriaged"
      },
      "onseeked": {
        "support_level": "untriaged"
      },
      "onseeking": {
        "support_level": "untriaged"
      },
      "onselect": {
        "support_level": "untriaged"
      },
      "onstalled": {
        "support_level": "untriaged"
      },
      "onsubmit": {
        "support_level": "untriaged"
      },
      "onsuspend": {
        "support_level": "untriaged"
      },
      "ontimeupdate": {
        "support_level": "untriaged"
      },
      "onvolumechange": {
        "support_level": "untriaged"
      },
      "onwaiting": {
        "support_level": "untriaged"
      },
      "outerHTML": {},
      "outerText": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "spellcheck": {
        "comment": "http://blog.whatwg.org/the-road-to-html-5-spellchecking",
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "tabIndex": {},
      "title": {},
      "translate": {},
      "webkitdropzone": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/dnd.html#the-dropzone-attribute",
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "HTMLEmbedElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-iframe-element.html#the-embed-element",
    "dart_action": "unstable",
    "members": {
      "HTMLEmbedElement": {},
      "__getter__": {},
      "__setter__": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLEmbedElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "getSVGDocument": {
        "comment": "http://www.w3.org/TR/SVG11/struct.html#InterfaceGetSVGDocument",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "height": {},
      "name": {},
      "src": {},
      "type": {},
      "width": {}
    },
    "support_level": "stable"
  },
  "HTMLFieldSetElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/forms.html#the-fieldset-element",
    "dart_action": "unstable",
    "members": {
      "HTMLFieldSetElement": {},
      "checkValidity": {},
      "disabled": {},
      "elements": {},
      "form": {},
      "name": {},
      "setCustomValidity": {},
      "type": {},
      "validationMessage": {},
      "validity": {},
      "willValidate": {}
    },
    "support_level": "stable"
  },
  "HTMLFontElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#htmlfontelement",
    "dart_action": "suppress",
    "members": {
      "color": {},
      "face": {},
      "size": {}
    },
    "support_level": "deprecated"
  },
  "HTMLFormControlsCollection": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmlformcontrolscollection-0",
    "members": {
      "__getter__": {},
      "namedItem": {}
    },
    "support_level": "stable"
  },
  "HTMLFormElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/forms.html#the-form-element",
    "members": {
      "HTMLFormElement": {},
      "__getter__": {},
      "acceptCharset": {},
      "action": {},
      "autocomplete": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#autofilling-form-controls:-the-autocomplete-attribute",
        "support_level": "experimental"
      },
      "checkValidity": {},
      "elements": {},
      "encoding": {},
      "enctype": {},
      "length": {},
      "method": {},
      "name": {},
      "noValidate": {},
      "onautocomplete": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#autofilling-form-controls:-the-autocomplete-attribute",
        "support_level": "experimental"
      },
      "onautocompleteerror": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#autofilling-form-controls:-the-autocomplete-attribute",
        "support_level": "experimental"
      },
      "requestAutocomplete": {
        "comment": "http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2012-October/037711.html",
        "support_level": "experimental"
      },
      "reset": {},
      "submit": {},
      "target": {}
    },
    "support_level": "stable"
  },
  "HTMLFrameElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#htmlframeelement",
    "dart_action": "suppress",
    "members": {
      "contentDocument": {},
      "contentWindow": {},
      "frameBorder": {},
      "getSVGDocument": {},
      "height": {},
      "location": {},
      "longDesc": {},
      "marginHeight": {},
      "marginWidth": {},
      "name": {},
      "noResize": {},
      "scrolling": {},
      "src": {},
      "width": {}
    },
    "support_level": "deprecated"
  },
  "HTMLFrameSetElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#frameset",
    "dart_action": "suppress",
    "members": {
      "cols": {},
      "onbeforeunload": {},
      "onblur": {},
      "onerror": {},
      "onfocus": {},
      "onhashchange": {},
      "onload": {},
      "onmessage": {},
      "onoffline": {},
      "ononline": {},
      "onpopstate": {},
      "onresize": {},
      "onstorage": {},
      "onunload": {},
      "rows": {}
    },
    "support_level": "deprecated"
  },
  "HTMLHRElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-hr-element",
    "members": {
      "HTMLHRElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLHRElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "color": {
        "support_level": "untriaged"
      },
      "noShade": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLHRElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "size": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLHRElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "width": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLHRElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLHeadElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-head-element",
    "members": {
      "HTMLHeadElement": {},
      "profile": {
        "comment": "http://www.w3.org/TR/1999/REC-html401-19991224/struct/global.html#profiles",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLHeadingElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/sections.html#the-h1,-h2,-h3,-h4,-h5,-and-h6-elements",
    "members": {
      "HTMLHeadingElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLHeadingElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLHtmlElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-html-element",
    "members": {
      "HTMLHtmlElement": {},
      "manifest": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html#manifests",
        "support_level": "experimental"
      },
      "version": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLHtmlElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLIFrameElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-iframe-element.html#the-iframe-element",
    "members": {
      "HTMLIFrameElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLIFrameElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "contentDocument": {},
      "contentWindow": {},
      "frameBorder": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLIFrameElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "getSVGDocument": {
        "comment": "http://www.w3.org/TR/SVG11/struct.html#InterfaceGetSVGDocument",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "height": {},
      "longDesc": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLIFrameElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "marginHeight": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLIFrameElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "marginWidth": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLIFrameElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "name": {},
      "sandbox": {},
      "scrolling": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLIFrameElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "seamless": {},
      "src": {},
      "srcdoc": {},
      "width": {}
    },
    "support_level": "stable"
  },
  "HTMLImageElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/embedded-content-1.html#the-img-element",
    "members": {
      "HTMLImageElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLImageElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "alt": {},
      "border": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "complete": {},
      "crossOrigin": {},
      "height": {},
      "hspace": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLImageElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "isMap": {},
      "longDesc": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLImageElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "lowsrc": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "name": {},
      "naturalHeight": {},
      "naturalWidth": {},
      "src": {},
      "srcset": {
        "support_level": "untriaged"
      },
      "useMap": {},
      "vspace": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLImageElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "width": {},
      "x": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "y": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLInputElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#the-input-element",
    "members": {
      "accept": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLInputElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "alt": {},
      "autocomplete": {},
      "autofocus": {},
      "checkValidity": {},
      "checked": {},
      "defaultChecked": {},
      "defaultValue": {},
      "dirName": {},
      "disabled": {},
      "files": {},
      "form": {},
      "formAction": {},
      "formEnctype": {},
      "formMethod": {},
      "formNoValidate": {},
      "formTarget": {},
      "height": {},
      "incremental": {
        "comment": "http://www.w3.org/TR/html-markup/input.search.html",
        "support_level": "experimental"
      },
      "indeterminate": {},
      "inputMode": {
        "support_level": "untriaged"
      },
      "labels": {
        "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels"
      },
      "list": {},
      "max": {},
      "maxLength": {},
      "min": {},
      "multiple": {},
      "name": {},
      "onspeechchange": {
        "support_level": "untriaged"
      },
      "onwebkitSpeechChange": {
        "comment": "http://lists.w3.org/Archives/Public/public-xg-htmlspeech/2011Feb/att-0020/api-draft.html#extending_html_elements",
        "support_level": "experimental"
      },
      "onwebkitspeechchange": {
        "comment": "http://lists.w3.org/Archives/Public/public-xg-htmlspeech/2011Feb/att-0020/api-draft.html#extending_html_elements",
        "support_level": "experimental"
      },
      "pattern": {},
      "placeholder": {},
      "readOnly": {},
      "required": {},
      "select": {},
      "selectionDirection": {},
      "selectionEnd": {},
      "selectionStart": {},
      "setCustomValidity": {},
      "setRangeText": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#dom-textarea/input-setrangetext",
        "dart_action": "experimental",
        "support_level": "experimental"
      },
      "setSelectionRange": {},
      "size": {},
      "src": {},
      "step": {},
      "stepDown": {},
      "stepUp": {},
      "type": {},
      "useMap": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLInputElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "validationMessage": {},
      "validity": {},
      "value": {},
      "valueAsDate": {},
      "valueAsNumber": {},
      "webkitEntries": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#concept-input-type-file-selected",
        "support_level": "experimental"
      },
      "webkitGrammar": {
        "comment": "http://lists.w3.org/Archives/Public/public-xg-htmlspeech/2011Feb/att-0020/api-draft.html#attrib-grammar",
        "support_level": "experimental"
      },
      "webkitSpeech": {
        "comment": "http://lists.w3.org/Archives/Public/public-xg-htmlspeech/2011Feb/att-0020/api-draft.html#attrib-speech",
        "support_level": "experimental"
      },
      "webkitdirectory": {
        "comment": "https://plus.sandbox.google.com/+AddyOsmani/posts/Dk5UhZ6zfF3",
        "support_level": "experimental"
      },
      "width": {},
      "willValidate": {}
    },
    "support_level": "stable"
  },
  "HTMLKeygenElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-keygen-element",
    "members": {
      "HTMLKeygenElement": {},
      "autofocus": {},
      "challenge": {},
      "checkValidity": {},
      "disabled": {},
      "form": {},
      "keytype": {},
      "labels": {
        "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels",
        "dart_action": "unstable"
      },
      "name": {},
      "setCustomValidity": {},
      "type": {},
      "validationMessage": {},
      "validity": {},
      "willValidate": {}
    },
    "support_level": "experimental"
  },
  "HTMLLIElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-li-element",
    "members": {
      "HTMLLIElement": {},
      "type": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLLIElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "value": {}
    },
    "support_level": "stable"
  },
  "HTMLLabelElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/forms.html#the-label-element",
    "members": {
      "HTMLLabelElement": {},
      "control": {},
      "form": {},
      "htmlFor": {}
    },
    "support_level": "stable"
  },
  "HTMLLegendElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/forms.html#the-legend-element",
    "members": {
      "HTMLLegendElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLLegendElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "form": {}
    },
    "support_level": "stable"
  },
  "HTMLLinkElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-link-element",
    "members": {
      "HTMLLinkElement": {},
      "charset": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLLinkElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "disabled": {},
      "href": {},
      "hreflang": {},
      "import": {
        "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/imports/index.html#interface-import",
        "support_level": "experimental"
      },
      "media": {},
      "rel": {},
      "rev": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLLinkElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "sheet": {},
      "sizes": {},
      "target": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLLinkElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "type": {}
    },
    "support_level": "stable"
  },
  "HTMLMapElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-map-element.html#the-map-element",
    "members": {
      "HTMLMapElement": {},
      "areas": {},
      "name": {}
    },
    "support_level": "stable"
  },
  "HTMLMarqueeElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#the-marquee-element",
    "dart_action": "suppress",
    "members": {
      "behavior": {},
      "bgColor": {},
      "direction": {},
      "height": {},
      "hspace": {},
      "loop": {},
      "scrollAmount": {},
      "scrollDelay": {},
      "start": {},
      "stop": {},
      "trueSpeed": {},
      "vspace": {},
      "width": {}
    },
    "support_level": "deprecated"
  },
  "HTMLMediaElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#htmlmediaelement",
    "dart_action": "unstable",
    "members": {
      "HAVE_CURRENT_DATA": {},
      "HAVE_ENOUGH_DATA": {},
      "HAVE_FUTURE_DATA": {},
      "HAVE_METADATA": {},
      "HAVE_NOTHING": {},
      "NETWORK_EMPTY": {},
      "NETWORK_IDLE": {},
      "NETWORK_LOADING": {},
      "NETWORK_NO_SOURCE": {},
      "addTextTrack": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-media-addtexttrack",
        "support_level": "experimental"
      },
      "autoplay": {},
      "buffered": {},
      "canPlayType": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/tip/encrypted-media/encrypted-media.html#dom-htmlmediaelement",
        "dart_action": "unstable"
      },
      "controller": {},
      "controls": {},
      "crossOrigin": {
        "support_level": "untriaged"
      },
      "currentSrc": {},
      "currentTime": {},
      "defaultMuted": {},
      "defaultPlaybackRate": {},
      "duration": {},
      "ended": {},
      "error": {},
      "initialTime": {
        "comment": "http://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-media-initialtime",
        "support_level": "experimental"
      },
      "load": {},
      "loop": {},
      "mediaGroup": {},
      "mediaKeys": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html",
        "support_level": "experimental"
      },
      "muted": {},
      "networkState": {},
      "oncanplay": {},
      "oncanplaythrough": {},
      "ondurationchange": {},
      "onemptied": {},
      "onended": {},
      "onkeyadded": {
        "support_level": "untriaged"
      },
      "onkeyerror": {
        "support_level": "untriaged"
      },
      "onkeymessage": {
        "support_level": "untriaged"
      },
      "onloadeddata": {},
      "onloadedmetadata": {},
      "onloadstart": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onneedkey": {
        "support_level": "untriaged"
      },
      "onpause": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onplay": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onplaying": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onprogress": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onratechange": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onseeked": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onseeking": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onshow": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart",
        "support_level": "experimental"
      },
      "onstalled": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onsuspend": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "ontimeupdate": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onvolumechange": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onwaiting": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#event-media-loadstart"
      },
      "onwebkitkeyadded": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#dom-keyadded",
        "support_level": "experimental"
      },
      "onwebkitkeyerror": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#dom-keyadded",
        "support_level": "experimental"
      },
      "onwebkitkeymessage": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#dom-keyadded",
        "support_level": "experimental"
      },
      "onwebkitneedkey": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#dom-keyadded",
        "support_level": "experimental"
      },
      "pause": {},
      "paused": {},
      "play": {},
      "playbackRate": {},
      "played": {},
      "preload": {},
      "readyState": {},
      "seekable": {},
      "seeking": {},
      "src": {},
      "startTime": {
        "support_level": "nonstandard"
      },
      "textTracks": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-media-texttracks",
        "support_level": "experimental"
      },
      "volume": {},
      "webkitAddKey": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#extensions",
        "support_level": "experimental"
      },
      "webkitAudioDecodedByteCount": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "webkitCancelKeyRequest": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#extensions",
        "support_level": "experimental"
      },
      "webkitClosedCaptionsVisible": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "webkitGenerateKeyRequest": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#extensions",
        "support_level": "experimental"
      },
      "webkitHasClosedCaptions": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "webkitPreservesPitch": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "webkitVideoDecodedByteCount": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      }
    },
    "support_level": "stable"
  },
  "HTMLMenuElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-menu-element",
    "members": {
      "HTMLMenuElement": {},
      "compact": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLMenuElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLMetaElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-meta-element",
    "members": {
      "HTMLMetaElement": {},
      "content": {},
      "httpEquiv": {},
      "name": {},
      "scheme": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLMetaElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLMeterElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-meter-element",
    "dart_action": "unstable",
    "members": {
      "HTMLMeterElement": {},
      "high": {},
      "labels": {
        "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels",
        "dart_action": "unstable"
      },
      "low": {},
      "max": {},
      "min": {},
      "optimum": {},
      "value": {}
    },
    "support_level": "stable"
  },
  "HTMLModElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/edits.html#htmlmodelement",
    "dart_action": "unstable",
    "members": {
      "cite": {},
      "dateTime": {}
    },
    "support_level": "stable"
  },
  "HTMLOListElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-ol-element",
    "members": {
      "HTMLOListElement": {},
      "compact": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLOListElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "reversed": {},
      "start": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "HTMLObjectElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-iframe-element.html#the-object-element",
    "dart_action": "unstable",
    "members": {
      "HTMLObjectElement": {},
      "__getter__": {},
      "__setter__": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "archive": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "border": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "checkValidity": {},
      "code": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "codeBase": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "codeType": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "contentDocument": {},
      "data": {},
      "declare": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "form": {},
      "getSVGDocument": {
        "comment": "http://www.w3.org/TR/SVG11/struct.html#InterfaceGetSVGDocument",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "height": {},
      "hspace": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "name": {},
      "setCustomValidity": {},
      "standby": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "type": {},
      "useMap": {},
      "validationMessage": {},
      "validity": {},
      "vspace": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLObjectElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "width": {},
      "willValidate": {}
    },
    "support_level": "stable"
  },
  "HTMLOptGroupElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-optgroup-element",
    "members": {
      "HTMLOptGroupElement": {},
      "disabled": {},
      "label": {}
    },
    "support_level": "stable"
  },
  "HTMLOptionElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-option-element",
    "members": {
      "HTMLOptionElement": {},
      "defaultSelected": {},
      "disabled": {},
      "form": {},
      "index": {},
      "label": {},
      "selected": {},
      "text": {},
      "value": {}
    },
    "support_level": "stable"
  },
  "HTMLOptionsCollection": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmloptionscollection-0",
    "members": {
      "length": {},
      "namedItem": {},
      "numericIndexGetter": {},
      "numericIndexSetter": {},
      "remove": {},
      "selectedIndex": {}
    },
    "support_level": "stable"
  },
  "HTMLOutputElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-output-element",
    "members": {
      "HTMLOutputElement": {},
      "checkValidity": {},
      "defaultValue": {},
      "form": {},
      "htmlFor": {},
      "labels": {
        "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels",
        "dart_action": "unstable"
      },
      "name": {},
      "setCustomValidity": {},
      "type": {},
      "validationMessage": {},
      "validity": {},
      "value": {},
      "willValidate": {}
    },
    "support_level": "stable"
  },
  "HTMLParagraphElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-p-element",
    "members": {
      "HTMLParagraphElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLParagraphElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLParamElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-iframe-element.html#the-param-element",
    "dart_action": "unstable",
    "members": {
      "HTMLParamElement": {},
      "name": {},
      "type": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLParamElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "value": {},
      "valueType": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLParamElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLPreElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-pre-element",
    "members": {
      "HTMLPreElement": {},
      "width": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLPreElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "wrap": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLProgressElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-progress-element",
    "members": {
      "HTMLProgressElement": {},
      "labels": {
        "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels",
        "dart_action": "unstable"
      },
      "max": {},
      "position": {},
      "value": {}
    },
    "support_level": "stable"
  },
  "HTMLQuoteElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-blockquote-element",
    "members": {
      "HTMLQuoteElement": {},
      "cite": {}
    },
    "support_level": "stable"
  },
  "HTMLScriptElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#the-script-element",
    "members": {
      "HTMLScriptElement": {},
      "async": {},
      "charset": {},
      "crossOrigin": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#attr-script-crossorigin",
        "support_level": "experimental"
      },
      "defer": {},
      "event": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLScriptElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "htmlFor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLScriptElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "nonce": {
        "comment": "https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#interaction-with-the-script-src-directive",
        "support_level": "experimental"
      },
      "src": {},
      "text": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "HTMLSelectElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-select-element",
    "members": {
      "HTMLSelectElement": {},
      "__setter__": {},
      "autofocus": {},
      "checkValidity": {},
      "disabled": {},
      "form": {},
      "item": {},
      "labels": {
        "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels",
        "dart_action": "unstable"
      },
      "length": {},
      "multiple": {},
      "name": {},
      "namedItem": {},
      "options": {},
      "required": {},
      "selectedIndex": {},
      "selectedOptions": {},
      "setCustomValidity": {},
      "size": {},
      "type": {},
      "validationMessage": {},
      "validity": {},
      "value": {},
      "willValidate": {}
    },
    "support_level": "stable"
  },
  "HTMLShadowElement": {
    "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#shadow-element",
    "members": {
      "HTMLShadowElement": {},
      "getDistributedNodes": {
        "support_level": "untriaged"
      },
      "olderShadowRoot": {},
      "resetStyleInheritance": {}
    },
    "support_level": "experimental"
  },
  "HTMLSourceElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#the-source-element",
    "members": {
      "HTMLSourceElement": {},
      "media": {},
      "src": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "HTMLSpanElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-span-element",
    "members": {
      "HTMLSpanElement": {}
    },
    "support_level": "stable"
  },
  "HTMLStyleElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-style-element",
    "members": {
      "HTMLStyleElement": {},
      "disabled": {},
      "media": {},
      "scoped": {},
      "sheet": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "HTMLTableCaptionElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/tabular-data.html#the-caption-element",
    "members": {
      "HTMLTableCaptionElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCaptionElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLTableCellElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/tabular-data.html#htmltablecellelement",
    "members": {
      "HTMLTableCellElement": {},
      "abbr": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#attr-td-abbr",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "axis": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "bgColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "cellIndex": {},
      "ch": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "chOff": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "colSpan": {},
      "headers": {},
      "height": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "noWrap": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "rowSpan": {},
      "scope": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#attr-td-scope",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "vAlign": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "width": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableCellElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLTableColElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/tabular-data.html#htmltablecolelement",
    "members": {
      "HTMLTableColElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableColElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "ch": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableColElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "chOff": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableColElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "span": {},
      "vAlign": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableColElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "width": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableColElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLTableElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/tabular-data.html#the-table-element",
    "members": {
      "HTMLTableElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "bgColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "border": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "caption": {},
      "cellPadding": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "cellSpacing": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "createCaption": {},
      "createTBody": {},
      "createTFoot": {},
      "createTHead": {},
      "deleteCaption": {},
      "deleteRow": {},
      "deleteTFoot": {},
      "deleteTHead": {},
      "frame": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "insertRow": {},
      "rows": {},
      "rules": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "summary": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "tBodies": {},
      "tFoot": {},
      "tHead": {},
      "width": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLTableRowElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/tabular-data.html#the-tr-element",
    "members": {
      "HTMLTableRowElement": {},
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableRowElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "bgColor": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableRowElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "cells": {},
      "ch": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableRowElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "chOff": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableRowElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "deleteCell": {},
      "insertCell": {},
      "rowIndex": {},
      "sectionRowIndex": {},
      "vAlign": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableRowElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLTableSectionElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/tabular-data.html#the-tbody-element",
    "members": {
      "align": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableSectionElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "ch": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableSectionElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "chOff": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableSectionElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "deleteRow": {},
      "insertRow": {},
      "rows": {},
      "vAlign": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLTableSectionElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLTemplateElement": {
    "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/templates/index.html#template-element",
    "members": {
      "HTMLTemplateElement": {},
      "content": {}
    },
    "support_level": "experimental"
  },
  "HTMLTextAreaElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#the-textarea-element",
    "members": {
      "HTMLTextAreaElement": {},
      "autofocus": {},
      "checkValidity": {},
      "cols": {},
      "defaultValue": {},
      "dirName": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-button-element.html#dom-textarea-dirname",
        "support_level": "experimental"
      },
      "disabled": {},
      "form": {},
      "inputMode": {
        "support_level": "untriaged"
      },
      "labels": {
        "comment": "http://www.w3.org/TR/html5/forms.html#dom-lfe-labels",
        "dart_action": "unstable"
      },
      "maxLength": {},
      "name": {},
      "placeholder": {},
      "readOnly": {},
      "required": {},
      "rows": {},
      "select": {},
      "selectionDirection": {},
      "selectionEnd": {},
      "selectionStart": {},
      "setCustomValidity": {},
      "setRangeText": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#dom-textarea/input-setrangetext",
        "support_level": "experimental"
      },
      "setSelectionRange": {},
      "textLength": {},
      "type": {},
      "validationMessage": {},
      "validity": {},
      "value": {},
      "willValidate": {},
      "wrap": {}
    },
    "support_level": "stable"
  },
  "HTMLTitleElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/semantics.html#the-title-element",
    "members": {
      "HTMLTitleElement": {},
      "text": {}
    },
    "support_level": "stable"
  },
  "HTMLTrackElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#the-track-element",
    "members": {
      "ERROR": {},
      "HTMLTrackElement": {},
      "LOADED": {},
      "LOADING": {},
      "NONE": {},
      "default": {},
      "defaultValue": {
        "support_level": "untriaged"
      },
      "kind": {},
      "label": {},
      "readyState": {},
      "src": {},
      "srclang": {},
      "track": {}
    },
    "support_level": "experimental"
  },
  "HTMLUListElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/grouping-content.html#the-ul-element",
    "members": {
      "HTMLUListElement": {},
      "compact": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLUListElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "type": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/obsolete.html#HTMLUListElement-partial",
        "dart_action": "suppress",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "HTMLUnknownElement": {
    "members": {},
    "support_level": "stable"
  },
  "HTMLVideoElement": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#the-video-element",
    "members": {
      "HTMLVideoElement": {},
      "getVideoPlaybackQuality": {
        "support_level": "untriaged"
      },
      "height": {},
      "poster": {},
      "videoHeight": {},
      "videoWidth": {},
      "webkitDecodedFrameCount": {
        "support_level": "experimental"
      },
      "webkitDisplayingFullscreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitDroppedFrameCount": {
        "support_level": "experimental"
      },
      "webkitEnterFullScreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitEnterFullscreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "support_level": "experimental"
      },
      "webkitExitFullScreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-document-exitfullscreen",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitExitFullscreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html#dom-document-exitfullscreen",
        "support_level": "experimental"
      },
      "webkitSupportsFullscreen": {
        "comment": "https://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "width": {}
    },
    "support_level": "stable"
  },
  "HashChangeEvent": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#hashchangeevent",
    "dart_action": "unstable",
    "members": {
      "initHashChangeEvent": {},
      "newURL": {},
      "oldURL": {}
    },
    "support_level": "stable"
  },
  "History": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#the-history-interface",
    "members": {
      "back": {},
      "forward": {},
      "go": {},
      "length": {},
      "pushState": {},
      "replaceState": {},
      "state": {}
    },
    "support_level": "stable"
  },
  "HmacKeyParams": {
    "members": {
      "hash": {
        "support_level": "untriaged"
      },
      "length": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "HmacParams": {
    "members": {
      "hash": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "IDBAny": {
    "dart_action": "suppress",
    "members": {},
    "support_level": "nonstandard"
  },
  "IDBCursor": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBCursor",
    "dart_action": "unstable",
    "members": {
      "advance": {},
      "continue": {},
      "continuePrimaryKey": {
        "support_level": "untriaged"
      },
      "delete": {},
      "direction": {},
      "key": {},
      "next": {
        "support_level": "nonstandard"
      },
      "primaryKey": {},
      "source": {},
      "update": {}
    },
    "support_level": "stable"
  },
  "IDBCursorWithValue": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBCursorWithValue",
    "dart_action": "unstable",
    "members": {
      "value": {}
    },
    "support_level": "stable"
  },
  "IDBDatabase": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBDatabase",
    "dart_action": "unstable",
    "members": {
      "addEventListener": {},
      "close": {},
      "createObjectStore": {},
      "deleteObjectStore": {},
      "dispatchEvent": {},
      "name": {},
      "objectStoreNames": {},
      "onabort": {},
      "onclose": {
        "comment": "https://www.w3.org/Bugs/Public/show_bug.cgi?id=22540",
        "support_level": "experimental"
      },
      "onerror": {},
      "onversionchange": {},
      "removeEventListener": {},
      "transaction": {},
      "transactionList": {},
      "transactionStore": {},
      "transactionStores": {},
      "version": {}
    },
    "support_level": "stable"
  },
  "IDBFactory": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBFactory",
    "dart_action": "unstable",
    "members": {
      "cmp": {},
      "deleteDatabase": {},
      "open": {},
      "webkitGetDatabaseNames": {
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "IDBIndex": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBIndex",
    "dart_action": "unstable",
    "members": {
      "count": {},
      "get": {},
      "getKey": {},
      "keyPath": {},
      "multiEntry": {},
      "name": {},
      "objectStore": {},
      "openCursor": {},
      "openKeyCursor": {},
      "unique": {}
    },
    "support_level": "stable"
  },
  "IDBKeyRange": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBKeyRange",
    "dart_action": "unstable",
    "members": {
      "bound": {},
      "bound_": {
        "support_level": "nonstandard"
      },
      "lower": {},
      "lowerBound": {},
      "lowerBound_": {
        "support_level": "nonstandard"
      },
      "lowerOpen": {},
      "only": {},
      "only_": {
        "support_level": "nonstandard"
      },
      "upper": {},
      "upperBound": {},
      "upperBound_": {
        "support_level": "nonstandard"
      },
      "upperOpen": {}
    },
    "support_level": "stable"
  },
  "IDBObjectStore": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBObjectStore",
    "dart_action": "unstable",
    "members": {
      "add": {},
      "autoIncrement": {},
      "clear": {},
      "count": {},
      "createIndex": {},
      "delete": {},
      "deleteIndex": {},
      "get": {},
      "index": {},
      "indexNames": {},
      "keyPath": {},
      "name": {},
      "openCursor": {},
      "openKeyCursor": {
        "support_level": "untriaged"
      },
      "put": {},
      "transaction": {}
    },
    "support_level": "stable"
  },
  "IDBOpenDBRequest": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBOpenDBRequest",
    "dart_action": "unstable",
    "members": {
      "onblocked": {},
      "onupgradeneeded": {}
    },
    "support_level": "stable"
  },
  "IDBRequest": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBRequest",
    "dart_action": "unstable",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "error": {},
      "onerror": {},
      "onsuccess": {},
      "readyState": {},
      "removeEventListener": {},
      "result": {},
      "source": {},
      "transaction": {},
      "webkitErrorMessage": {
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "IDBTransaction": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBTransaction",
    "dart_action": "unstable",
    "members": {
      "abort": {},
      "addEventListener": {},
      "db": {},
      "dispatchEvent": {},
      "error": {},
      "mode": {},
      "objectStore": {},
      "onabort": {},
      "oncomplete": {},
      "onerror": {},
      "removeEventListener": {},
      "webkitErrorMessage": {
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "IDBVersionChangeEvent": {
    "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBVersionChangeEvent",
    "dart_action": "unstable",
    "members": {
      "dataLoss": {
        "support_level": "untriaged"
      },
      "dataLossMessage": {
        "support_level": "untriaged"
      },
      "newVersion": {},
      "oldVersion": {}
    },
    "support_level": "stable"
  },
  "ImageBitmap": {
    "members": {
      "height": {
        "support_level": "untriaged"
      },
      "width": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "ImageBitmapCallback": {
    "members": {},
    "support_level": "untriaged"
  },
  "ImageData": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#imagedata",
    "members": {
      "data": {},
      "height": {},
      "width": {}
    },
    "support_level": "stable"
  },
  "InputMethodContext": {
    "comment": "http://www.w3.org/TR/ime-api/#idl-def-InputMethodContext",
    "members": {
      "addEventListener": {
        "support_level": "untriaged"
      },
      "composition": {},
      "compositionEndOffset": {
        "support_level": "untriaged"
      },
      "compositionStartOffset": {
        "support_level": "untriaged"
      },
      "confirmComposition": {},
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "enabled": {},
      "locale": {},
      "open": {},
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "setCaretRectangle": {},
      "setExclusionRectangle": {},
      "target": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "Int16Array": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "BYTES_PER_ELEMENT": {},
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "Int32Array": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "BYTES_PER_ELEMENT": {},
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "Int8Array": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "BYTES_PER_ELEMENT": {},
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "Key": {
    "members": {
      "algorithm": {
        "support_level": "untriaged"
      },
      "extractable": {
        "support_level": "untriaged"
      },
      "type": {
        "support_level": "untriaged"
      },
      "usages": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "KeyPair": {
    "members": {
      "privateKey": {
        "support_level": "untriaged"
      },
      "publicKey": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "KeyboardEvent": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent",
    "members": {
      "DOM_KEY_LOCATION_LEFT": {
        "support_level": "untriaged"
      },
      "DOM_KEY_LOCATION_NUMPAD": {
        "support_level": "untriaged"
      },
      "DOM_KEY_LOCATION_RIGHT": {
        "support_level": "untriaged"
      },
      "DOM_KEY_LOCATION_STANDARD": {
        "support_level": "untriaged"
      },
      "altGraphKey": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "altKey": {},
      "ctrlKey": {},
      "getModifierState": {
        "support_level": "untriaged"
      },
      "initKeyboardEvent": {},
      "keyIdentifier": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "keyLocation": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "location": {
        "support_level": "untriaged"
      },
      "metaKey": {},
      "repeat": {
        "support_level": "untriaged"
      },
      "shiftKey": {}
    },
    "support_level": "stable"
  },
  "LocalMediaStream": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-NavigatorUserMediaSuccessCallback",
    "dart_action": "experimental",
    "members": {
      "stop": {}
    },
    "support_level": "nonstandard"
  },
  "Location": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#the-location-interface",
    "members": {
      "ancestorOrigins": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "assign": {},
      "hash": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "host": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "hostname": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "href": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "origin": {
        "comment": "http://url.spec.whatwg.org/#urlutils Webkit Only",
        "support_level": "nonstandard"
      },
      "pathname": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "port": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "protocol": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "reload": {},
      "replace": {},
      "search": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "toString": {},
      "valueOf": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      }
    },
    "support_level": "stable"
  },
  "MIDIAccess": {
    "comment": "http://webaudio.github.io/web-midi-api/#midiaccess-interface",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "inputs": {},
      "onconnect": {},
      "ondisconnect": {},
      "outputs": {},
      "removeEventListener": {}
    },
    "support_level": "experimental"
  },
  "MIDIAccessPromise": {
    "members": {
      "then": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "MIDIConnectionEvent": {
    "comment": "http://webaudio.github.io/web-midi-api/#midiconnectionevent-interface",
    "members": {
      "port": {}
    },
    "support_level": "experimental"
  },
  "MIDIErrorCallback": {
    "comment": "http://webaudio.github.io/web-midi-api/#midierrorcallback",
    "members": {},
    "support_level": "experimental"
  },
  "MIDIInput": {
    "comment": "http://webaudio.github.io/web-midi-api/#idl-def-MIDIInput",
    "members": {
      "onmidimessage": {}
    },
    "support_level": "experimental"
  },
  "MIDIMessageEvent": {
    "comment": "http://webaudio.github.io/web-midi-api/#midimessageevent-interface",
    "members": {
      "data": {},
      "receivedTime": {}
    },
    "support_level": "experimental"
  },
  "MIDIOutput": {
    "comment": "http://webaudio.github.io/web-midi-api/#midioutput-interface",
    "members": {
      "send": {}
    },
    "support_level": "experimental"
  },
  "MIDIPort": {
    "comment": "http://webaudio.github.io/web-midi-api/#idl-def-MIDIPort",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "id": {},
      "manufacturer": {},
      "name": {},
      "ondisconnect": {},
      "removeEventListener": {},
      "type": {},
      "version": {}
    },
    "support_level": "experimental"
  },
  "MIDISuccessCallback": {
    "members": {},
    "support_level": "untriaged"
  },
  "MediaController": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#mediacontroller",
    "members": {
      "MediaController": {},
      "addEventListener": {},
      "buffered": {},
      "currentTime": {},
      "defaultPlaybackRate": {},
      "dispatchEvent": {},
      "duration": {},
      "muted": {},
      "pause": {},
      "paused": {},
      "play": {},
      "playbackRate": {},
      "playbackState": {},
      "played": {},
      "removeEventListener": {},
      "seekable": {},
      "unpause": {},
      "volume": {}
    },
    "support_level": "experimental"
  },
  "MediaElementAudioSourceNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#MediaElementAudioSourceNode",
    "members": {
      "mediaElement": {
        "support_level": "nonstandard"
      }
    },
    "support_level": "experimental"
  },
  "MediaError": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#mediaerror",
    "dart_action": "unstable",
    "members": {
      "MEDIA_ERR_ABORTED": {},
      "MEDIA_ERR_DECODE": {},
      "MEDIA_ERR_ENCRYPTED": {
        "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#error-codes",
        "support_level": "experimental"
      },
      "MEDIA_ERR_NETWORK": {},
      "MEDIA_ERR_SRC_NOT_SUPPORTED": {},
      "code": {}
    },
    "support_level": "stable"
  },
  "MediaKeyError": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#error-codes",
    "members": {
      "MEDIA_KEYERR_CLIENT": {},
      "MEDIA_KEYERR_DOMAIN": {},
      "MEDIA_KEYERR_HARDWARECHANGE": {},
      "MEDIA_KEYERR_OUTPUT": {},
      "MEDIA_KEYERR_SERVICE": {},
      "MEDIA_KEYERR_UNKNOWN": {},
      "code": {},
      "systemCode": {
        "support_level": "nonstandard"
      }
    },
    "support_level": "experimental"
  },
  "MediaKeyEvent": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#event-definitions",
    "members": {
      "defaultURL": {},
      "errorCode": {},
      "initData": {},
      "keySystem": {},
      "message": {},
      "sessionId": {},
      "systemCode": {}
    },
    "support_level": "experimental"
  },
  "MediaKeyMessageEvent": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#dom-mediakeymessageevent",
    "members": {
      "destinationURL": {},
      "message": {}
    },
    "support_level": "experimental"
  },
  "MediaKeyNeededEvent": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#dom-mediakeyneededevent",
    "members": {
      "initData": {}
    },
    "support_level": "experimental"
  },
  "MediaKeySession": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html#dom-mediakeysession",
    "members": {
      "addEventListener": {},
      "close": {},
      "dispatchEvent": {},
      "error": {},
      "keySystem": {},
      "onkeyadded": {
        "support_level": "untriaged"
      },
      "onkeyerror": {
        "support_level": "untriaged"
      },
      "onkeymessage": {
        "support_level": "untriaged"
      },
      "onwebkitkeyadded": {},
      "onwebkitkeyerror": {},
      "onwebkitkeymessage": {},
      "removeEventListener": {},
      "sessionId": {},
      "update": {}
    },
    "support_level": "experimental"
  },
  "MediaKeys": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/eme-v0.1/encrypted-media/encrypted-media.html",
    "members": {
      "MediaKeys": {},
      "createSession": {},
      "keySystem": {}
    },
    "support_level": "experimental"
  },
  "MediaList": {
    "comment": "http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSMediaRule",
    "dart_action": "unstable",
    "members": {
      "appendMedium": {},
      "deleteMedium": {},
      "item": {},
      "length": {},
      "mediaText": {}
    },
    "support_level": "stable"
  },
  "MediaQueryList": {
    "comment": "http://dev.w3.org/csswg/cssom-view/#the-mediaquerylist-interface",
    "dart_action": "unstable",
    "members": {
      "addListener": {},
      "matches": {},
      "media": {},
      "removeListener": {}
    },
    "support_level": "stable"
  },
  "MediaQueryListListener": {
    "comment": "http://dev.w3.org/csswg/cssom-view/#the-mediaquerylist-interface",
    "dart_action": "unstable",
    "members": {
      "queryChanged": {}
    },
    "support_level": "stable"
  },
  "MediaSource": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#mediasource",
    "members": {
      "MediaSource": {},
      "activeSourceBuffers": {},
      "addEventListener": {},
      "addSourceBuffer": {},
      "dispatchEvent": {},
      "duration": {},
      "endOfStream": {},
      "isTypeSupported": {},
      "readyState": {},
      "removeEventListener": {},
      "removeSourceBuffer": {},
      "sourceBuffers": {}
    },
    "support_level": "experimental"
  },
  "MediaStream": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediastream",
    "members": {
      "MediaStream": {},
      "addEventListener": {},
      "addTrack": {},
      "dispatchEvent": {},
      "ended": {},
      "getAudioTracks": {},
      "getTrackById": {},
      "getVideoTracks": {},
      "id": {},
      "label": {
        "support_level": "nonstandard"
      },
      "onaddtrack": {},
      "onended": {},
      "onremovetrack": {},
      "removeEventListener": {},
      "removeTrack": {},
      "stop": {}
    },
    "support_level": "experimental"
  },
  "MediaStreamAudioDestinationNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#MediaStreamAudioDestinationNode",
    "members": {
      "stream": {}
    },
    "support_level": "experimental"
  },
  "MediaStreamAudioSourceNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#MediaStreamAudioSourceNode",
    "members": {
      "mediaStream": {}
    },
    "support_level": "experimental"
  },
  "MediaStreamEvent": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html",
    "members": {
      "stream": {}
    },
    "support_level": "experimental"
  },
  "MediaStreamTrack": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html#mediastreamtrack",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "enabled": {},
      "getSources": {
        "support_level": "untriaged"
      },
      "id": {},
      "kind": {},
      "label": {},
      "onended": {},
      "onmute": {},
      "onunmute": {},
      "readyState": {},
      "removeEventListener": {},
      "stop": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "MediaStreamTrackEvent": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html",
    "members": {
      "track": {}
    },
    "support_level": "experimental"
  },
  "MediaStreamTrackSourcesCallback": {
    "members": {},
    "support_level": "untriaged"
  },
  "MemoryInfo": {
    "dart_action": "experimental",
    "members": {
      "jsHeapSizeLimit": {},
      "totalJSHeapSize": {},
      "usedJSHeapSize": {}
    },
    "support_level": "nonstandard"
  },
  "MessageChannel": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/web-messaging.html#message-channels",
    "dart_action": "unstable",
    "members": {
      "MessageChannel": {},
      "port1": {},
      "port2": {}
    },
    "support_level": "stable"
  },
  "MessageEvent": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#messageevent",
    "members": {
      "data": {},
      "initMessageEvent": {},
      "lastEventId": {
        "dart_action": "unstable"
      },
      "origin": {},
      "ports": {
        "dart_action": "unstable"
      },
      "source": {},
      "webkitInitMessageEvent": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      }
    },
    "support_level": "stable"
  },
  "MessagePort": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/web-messaging.html#messageport",
    "dart_action": "unstable",
    "members": {
      "addEventListener": {},
      "close": {},
      "dispatchEvent": {},
      "onmessage": {},
      "postMessage": {},
      "removeEventListener": {},
      "start": {}
    },
    "support_level": "stable"
  },
  "Metadata": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-metadata-interface",
    "members": {
      "modificationTime": {},
      "size": {}
    },
    "support_level": "experimental"
  },
  "MetadataCallback": {
    "comment": "http://www.w3.org/TR/file-system-api/#idl-def-MetadataCallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "MimeType": {
    "members": {
      "description": {},
      "enabledPlugin": {},
      "suffixes": {},
      "type": {}
    },
    "support_level": "nonstandard"
  },
  "MimeTypeArray": {
    "members": {
      "__getter__": {},
      "item": {},
      "length": {},
      "namedItem": {}
    },
    "support_level": "nonstandard"
  },
  "MouseEvent": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#events-mouseevents",
    "members": {
      "altKey": {},
      "button": {},
      "clientX": {},
      "clientY": {},
      "ctrlKey": {},
      "dataTransfer": {
        "dart_action": "unstable",
        "support_level": "nonstandard"
      },
      "fromElement": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "initMouseEvent": {},
      "metaKey": {},
      "offsetX": {
        "dart_action": "unstable",
        "support_level": "nonstandard"
      },
      "offsetY": {
        "dart_action": "unstable",
        "support_level": "nonstandard"
      },
      "relatedTarget": {},
      "screenX": {},
      "screenY": {},
      "shiftKey": {},
      "toElement": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "webkitMovementX": {
        "support_level": "experimental"
      },
      "webkitMovementY": {
        "support_level": "experimental"
      },
      "x": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "y": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      }
    },
    "support_level": "stable"
  },
  "MutationCallback": {
    "comment": "http://www.w3.org/TR/domcore/#mutationcallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "stable"
  },
  "MutationEvent": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#events-mutationevents",
    "members": {
      "ADDITION": {},
      "MODIFICATION": {},
      "REMOVAL": {},
      "attrChange": {},
      "attrName": {},
      "initMutationEvent": {},
      "newValue": {},
      "prevValue": {},
      "relatedNode": {}
    },
    "support_level": "deprecated"
  },
  "MutationObserver": {
    "comment": "http://www.w3.org/TR/domcore/#interface-mutationobserver",
    "members": {
      "MutationObserver": {},
      "_observe": {},
      "disconnect": {},
      "observe": {},
      "takeRecords": {}
    },
    "support_level": "stable"
  },
  "MutationRecord": {
    "comment": "http://www.w3.org/TR/domcore/#mutationrecord",
    "members": {
      "addedNodes": {},
      "attributeName": {},
      "attributeNamespace": {},
      "nextSibling": {},
      "oldValue": {},
      "previousSibling": {},
      "removedNodes": {},
      "target": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "NamedNodeMap": {
    "comment": "http://dom.spec.whatwg.org/#namednodemap",
    "dart_action": "suppress",
    "members": {
      "__getter__": {},
      "getNamedItem": {},
      "getNamedItemNS": {},
      "item": {},
      "length": {},
      "removeNamedItem": {},
      "removeNamedItemNS": {},
      "setNamedItem": {},
      "setNamedItemNS": {}
    },
    "support_level": "deprecated"
  },
  "Navigator": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigator",
    "members": {
      "appCodeName": {
        "support_level": "nonstandard"
      },
      "appName": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid"
      },
      "appVersion": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid"
      },
      "cookieEnabled": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.navigator.cookieEnabled",
        "dart_action": "unstable",
        "support_level": "nonstandard"
      },
      "doNotTrack": {
        "comment": "http://www.w3.org/2011/tracking-protection/drafts/tracking-dnt.html#js-dom",
        "dart_action": "experimental",
        "support_level": "experimental"
      },
      "geolocation": {
        "comment": "http://dev.w3.org/geo/api/spec-source.html#navi-geo",
        "dart_action": "unstable",
        "support_level": "stable"
      },
      "getStorageUpdates": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorstorageutils",
        "support_level": "experimental"
      },
      "javaEnabled": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "language": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorlanguage"
      },
      "maxTouchPoints": {
        "support_level": "untriaged"
      },
      "mimeTypes": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "onLine": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html#navigatoronline",
        "dart_action": "unstable"
      },
      "platform": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid"
      },
      "plugins": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "product": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid",
        "dart_action": "unstable",
        "support_level": "nonstandard"
      },
      "productSub": {
        "dart_action": "unstable",
        "support_level": "nonstandard"
      },
      "registerProtocolHandler": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorcontentutils",
        "dart_action": "unstable"
      },
      "requestMIDIAccess": {
        "support_level": "untriaged"
      },
      "userAgent": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid"
      },
      "vendor": {
        "dart_action": "unstable",
        "support_level": "nonstandard"
      },
      "vendorSub": {
        "dart_action": "unstable",
        "support_level": "nonstandard"
      },
      "webkitBattery": {
        "comment": "https://dvcs.w3.org/hg/dap/raw-file/tip/battery/Overview.html",
        "support_level": "experimental"
      },
      "webkitGetGamepads": {
        "comment": "https://dvcs.w3.org/hg/gamepad/raw-file/default/gamepad.html#widl-Navigator-getGamepads-Gamepad",
        "support_level": "experimental"
      },
      "webkitGetUserMedia": {
        "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html#navigatorusermedia",
        "support_level": "experimental"
      },
      "webkitPersistentStorage": {
        "comment": "http://www.w3.org/TR/quota-api/#accessing-storagequota",
        "support_level": "experimental"
      },
      "webkitTemporaryStorage": {
        "comment": "http://www.w3.org/TR/quota-api/#accessing-storagequota",
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "NavigatorID": {
    "members": {
      "appCodeName": {
        "support_level": "untriaged"
      },
      "appName": {
        "support_level": "untriaged"
      },
      "appVersion": {
        "support_level": "untriaged"
      },
      "platform": {
        "support_level": "untriaged"
      },
      "product": {
        "support_level": "untriaged"
      },
      "userAgent": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "NavigatorOnLine": {
    "members": {
      "onLine": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "NavigatorUserMediaError": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-NavigatorUserMediaError",
    "members": {
      "PERMISSION_DENIED": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "code": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "constraintName": {},
      "message": {},
      "name": {}
    },
    "support_level": "experimental"
  },
  "NavigatorUserMediaErrorCallback": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-NavigatorUserMediaErrorCallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "NavigatorUserMediaSuccessCallback": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-NavigatorUserMediaSuccessCallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "Node": {
    "comment": "http://dom.spec.whatwg.org/#interface-node",
    "members": {
      "ATTRIBUTE_NODE": {},
      "CDATA_SECTION_NODE": {},
      "COMMENT_NODE": {},
      "DOCUMENT_FRAGMENT_NODE": {},
      "DOCUMENT_NODE": {},
      "DOCUMENT_POSITION_CONTAINED_BY": {},
      "DOCUMENT_POSITION_CONTAINS": {},
      "DOCUMENT_POSITION_DISCONNECTED": {},
      "DOCUMENT_POSITION_FOLLOWING": {},
      "DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC": {},
      "DOCUMENT_POSITION_PRECEDING": {},
      "DOCUMENT_TYPE_NODE": {},
      "ELEMENT_NODE": {},
      "ENTITY_NODE": {},
      "ENTITY_REFERENCE_NODE": {},
      "NOTATION_NODE": {},
      "PROCESSING_INSTRUCTION_NODE": {},
      "TEXT_NODE": {},
      "addEventListener": {},
      "appendChild": {},
      "baseURI": {},
      "childNodes": {},
      "cloneNode": {},
      "compareDocumentPosition": {},
      "contains": {},
      "dispatchEvent": {},
      "firstChild": {},
      "hasChildNodes": {},
      "insertBefore": {},
      "isDefaultNamespace": {},
      "isEqualNode": {},
      "isSameNode": {
        "comment": "http://dom.spec.whatwg.org/#dom-node-issamenode",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "isSupported": {
        "comment": "http://dom.spec.whatwg.org/#dom-node-issupported",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "lastChild": {},
      "localName": {
        "comment": "http://dom.spec.whatwg.org/#dom-node-localname"
      },
      "lookupNamespaceURI": {},
      "lookupPrefix": {},
      "namespaceURI": {
        "comment": "http://dom.spec.whatwg.org/#dom-node-namespaceuri"
      },
      "nextSibling": {},
      "nodeName": {},
      "nodeType": {},
      "nodeValue": {},
      "normalize": {},
      "ownerDocument": {},
      "parentElement": {},
      "parentNode": {},
      "prefix": {
        "comment": "http://dom.spec.whatwg.org/#dom-node-prefix",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "previousSibling": {},
      "removeChild": {},
      "removeEventListener": {},
      "replaceChild": {},
      "textContent": {}
    },
    "support_level": "stable"
  },
  "NodeFilter": {
    "comment": "http://dom.spec.whatwg.org/#nodefilter",
    "dart_action": "unstable",
    "members": {
      "FILTER_ACCEPT": {},
      "FILTER_REJECT": {},
      "FILTER_SKIP": {},
      "SHOW_ALL": {},
      "SHOW_ATTRIBUTE": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SHOW_CDATA_SECTION": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SHOW_COMMENT": {},
      "SHOW_DOCUMENT": {},
      "SHOW_DOCUMENT_FRAGMENT": {},
      "SHOW_DOCUMENT_TYPE": {},
      "SHOW_ELEMENT": {},
      "SHOW_ENTITY": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SHOW_ENTITY_REFERENCE": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SHOW_NOTATION": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SHOW_PROCESSING_INSTRUCTION": {},
      "SHOW_TEXT": {},
      "acceptNode": {}
    },
    "support_level": "stable"
  },
  "NodeIterator": {
    "comment": "http://dom.spec.whatwg.org/#nodeiterator",
    "dart_action": "unstable",
    "members": {
      "detach": {},
      "expandEntityReferences": {
        "comment": "http://dom.spec.whatwg.org/#dom-traversal",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "filter": {},
      "nextNode": {},
      "pointerBeforeReferenceNode": {},
      "previousNode": {},
      "referenceNode": {},
      "root": {},
      "whatToShow": {}
    },
    "support_level": "stable"
  },
  "NodeList": {
    "comment": "http://dom.spec.whatwg.org/#nodelist",
    "members": {
      "__getter__": {
        "support_level": "untriaged"
      },
      "item": {},
      "length": {}
    },
    "support_level": "stable"
  },
  "Notation": {
    "comment": "http://dom.spec.whatwg.org/#notation",
    "dart_action": "suppress",
    "members": {
      "publicId": {},
      "systemId": {}
    },
    "support_level": "deprecated"
  },
  "Notification": {
    "comment": "http://www.w3.org/TR/notifications/#notification",
    "dart_action": "experimental",
    "members": {
      "Notification": {},
      "addEventListener": {},
      "body": {
        "support_level": "untriaged"
      },
      "cancel": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "close": {},
      "dir": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "dispatchEvent": {},
      "icon": {
        "support_level": "untriaged"
      },
      "lang": {
        "support_level": "untriaged"
      },
      "onclick": {},
      "onclose": {},
      "ondisplay": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "onerror": {},
      "onshow": {},
      "permission": {},
      "removeEventListener": {},
      "replaceId": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "requestPermission": {},
      "show": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "tag": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "title": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "NotificationCenter": {
    "comment": "http://www.w3.org/TR/notifications/#showing-a-notification",
    "dart_action": "suppress",
    "members": {
      "checkPermission": {},
      "createHTMLNotification": {},
      "createNotification": {},
      "requestPermission": {}
    },
    "support_level": "deprecated"
  },
  "NotificationPermissionCallback": {
    "comment": "http://www.w3.org/TR/notifications/#notificationpermissioncallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "OESElementIndexUint": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/OES_element_index_uint/",
    "dart_action": "experimental",
    "members": {},
    "support_level": "experimental"
  },
  "OESStandardDerivatives": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/OES_standard_derivatives/",
    "dart_action": "experimental",
    "members": {
      "FRAGMENT_SHADER_DERIVATIVE_HINT_OES": {}
    },
    "support_level": "experimental"
  },
  "OESTextureFloat": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/OES_texture_float/",
    "dart_action": "experimental",
    "members": {},
    "support_level": "experimental"
  },
  "OESTextureFloatLinear": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/OES_texture_float_linear/",
    "members": {},
    "support_level": "experimental"
  },
  "OESTextureHalfFloat": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/OES_texture_half_float/",
    "dart_action": "experimental",
    "members": {
      "HALF_FLOAT_OES": {}
    },
    "support_level": "experimental"
  },
  "OESTextureHalfFloatLinear": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/OES_texture_half_float_linear/",
    "members": {},
    "support_level": "experimental"
  },
  "OESVertexArrayObject": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/OES_vertex_array_object/",
    "dart_action": "experimental",
    "members": {
      "VERTEX_ARRAY_BINDING_OES": {},
      "bindVertexArrayOES": {},
      "createVertexArrayOES": {},
      "deleteVertexArrayOES": {},
      "isVertexArrayOES": {}
    },
    "support_level": "experimental"
  },
  "OfflineAudioCompletionEvent": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#OfflineAudioCompletionEvent-section",
    "members": {
      "renderedBuffer": {}
    },
    "support_level": "experimental"
  },
  "OfflineAudioContext": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#OfflineAudioContext-section",
    "members": {
      "OfflineAudioContext": {}
    },
    "support_level": "experimental"
  },
  "OscillatorNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#dfn-OscillatorNode",
    "members": {
      "CUSTOM": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "FINISHED_STATE": {},
      "PLAYING_STATE": {},
      "SAWTOOTH": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SCHEDULED_STATE": {},
      "SINE": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SQUARE": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "TRIANGLE": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "UNSCHEDULED_STATE": {},
      "detune": {},
      "frequency": {},
      "noteOff": {},
      "noteOn": {},
      "onended": {
        "support_level": "untriaged"
      },
      "playbackState": {},
      "setPeriodicWave": {
        "support_level": "untriaged"
      },
      "setWaveTable": {},
      "start": {},
      "stop": {},
      "type": {}
    },
    "support_level": "experimental"
  },
  "OverflowEvent": {
    "dart_action": "experimental",
    "members": {
      "BOTH": {},
      "HORIZONTAL": {},
      "VERTICAL": {},
      "horizontalOverflow": {},
      "orient": {},
      "verticalOverflow": {}
    },
    "support_level": "nonstandard"
  },
  "PagePopupController": {
    "dart_action": "suppress",
    "members": {
      "closePopup": {},
      "formatMonth": {},
      "formatShortMonth": {},
      "histogramEnumeration": {},
      "localizeNumberString": {},
      "setValue": {},
      "setValueAndClosePopup": {}
    },
    "support_level": "nonstandard"
  },
  "PageTransitionEvent": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#pagetransitionevent",
    "members": {
      "persisted": {}
    },
    "support_level": "experimental"
  },
  "PannerNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#PannerNode",
    "members": {
      "EQUALPOWER": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "EXPONENTIAL_DISTANCE": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "HRTF": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "INVERSE_DISTANCE": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "LINEAR_DISTANCE": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "SOUNDFIELD": {
        "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#AlternateNames",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "coneInnerAngle": {},
      "coneOuterAngle": {},
      "coneOuterGain": {},
      "distanceModel": {},
      "maxDistance": {},
      "panningModel": {},
      "refDistance": {},
      "rolloffFactor": {},
      "setOrientation": {},
      "setPosition": {},
      "setVelocity": {}
    },
    "support_level": "experimental"
  },
  "ParentNode": {
    "members": {
      "childElementCount": {
        "support_level": "untriaged"
      },
      "children": {
        "support_level": "untriaged"
      },
      "firstElementChild": {
        "support_level": "untriaged"
      },
      "lastElementChild": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "Path": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#path-objects",
    "members": {
      "Path": {},
      "arc": {},
      "arcTo": {},
      "bezierCurveTo": {},
      "closePath": {},
      "lineTo": {},
      "moveTo": {},
      "quadraticCurveTo": {},
      "rect": {}
    },
    "support_level": "experimental"
  },
  "Performance": {
    "comment": "http://www.w3.org/TR/navigation-timing/#performance",
    "members": {
      "addEventListener": {
        "support_level": "untriaged"
      },
      "clearMarks": {
        "comment": "https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/UserTiming/Overview.html#extensions-performance-interface",
        "support_level": "experimental"
      },
      "clearMeasures": {
        "comment": "https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/UserTiming/Overview.html#extensions-performance-interface",
        "support_level": "experimental"
      },
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "getEntries": {
        "comment": "http://www.w3.org/TR/performance-timeline/#sec-window.performance-attribute",
        "support_level": "experimental"
      },
      "getEntriesByName": {
        "comment": "http://www.w3.org/TR/performance-timeline/#sec-window.performance-attribute",
        "support_level": "experimental"
      },
      "getEntriesByType": {
        "comment": "http://www.w3.org/TR/performance-timeline/#sec-window.performance-attribute",
        "support_level": "experimental"
      },
      "mark": {
        "comment": "https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/UserTiming/Overview.html#extensions-performance-interface",
        "support_level": "experimental"
      },
      "measure": {
        "comment": "https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/UserTiming/Overview.html#extensions-performance-interface",
        "support_level": "experimental"
      },
      "memory": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "navigation": {},
      "now": {
        "comment": "https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/HighResolutionTime/Overview.html#sec-extenstions-performance-interface"
      },
      "onresourcetimingbufferfull": {
        "support_level": "untriaged"
      },
      "onwebkitresourcetimingbufferfull": {
        "comment": "http://www.w3c-test.org/webperf/specs/ResourceTiming/#performanceresourcetiming-methods",
        "support_level": "experimental"
      },
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "timing": {},
      "webkitClearResourceTimings": {
        "comment": "http://www.w3c-test.org/webperf/specs/ResourceTiming/#extensions-performance-interface",
        "support_level": "experimental"
      },
      "webkitSetResourceTimingBufferSize": {
        "comment": "http://www.w3c-test.org/webperf/specs/ResourceTiming/#performanceresourcetiming-methods",
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "PerformanceEntry": {
    "comment": "http://www.w3.org/TR/performance-timeline/#sec-PerformanceEntry-interface",
    "members": {
      "duration": {},
      "entryType": {},
      "name": {},
      "startTime": {}
    },
    "support_level": "experimental"
  },
  "PerformanceEntryList": {
    "comment": "http://www.w3.org/TR/performance-timeline/#performanceentrylist",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "PerformanceMark": {
    "comment": "http://www.w3.org/TR/user-timing/#performancemark",
    "members": {},
    "support_level": "experimental"
  },
  "PerformanceMeasure": {
    "comment": "http://www.w3.org/TR/user-timing/#performancemeasure",
    "members": {},
    "support_level": "experimental"
  },
  "PerformanceNavigation": {
    "comment": "http://www.w3.org/TR/navigation-timing/#sec-navigation-info-interface",
    "dart_action": "unstable",
    "members": {
      "TYPE_BACK_FORWARD": {},
      "TYPE_NAVIGATE": {},
      "TYPE_RELOAD": {},
      "TYPE_RESERVED": {},
      "redirectCount": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "PerformanceResourceTiming": {
    "comment": "http://www.w3c-test.org/webperf/specs/ResourceTiming/#performanceresourcetiming",
    "members": {
      "connectEnd": {},
      "connectStart": {},
      "domainLookupEnd": {},
      "domainLookupStart": {},
      "fetchStart": {},
      "initiatorType": {},
      "redirectEnd": {},
      "redirectStart": {},
      "requestStart": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "responseEnd": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "responseStart": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "secureConnectionStart": {}
    },
    "support_level": "experimental"
  },
  "PerformanceTiming": {
    "comment": "http://w3c-test.org/webperf/specs/NavigationTiming/#sec-navigation-timing-interface",
    "dart_action": "unstable",
    "members": {
      "connectEnd": {},
      "connectStart": {},
      "domComplete": {},
      "domContentLoadedEventEnd": {},
      "domContentLoadedEventStart": {},
      "domInteractive": {},
      "domLoading": {},
      "domainLookupEnd": {},
      "domainLookupStart": {},
      "fetchStart": {},
      "loadEventEnd": {},
      "loadEventStart": {},
      "navigationStart": {},
      "redirectEnd": {},
      "redirectStart": {},
      "requestStart": {},
      "responseEnd": {},
      "responseStart": {},
      "secureConnectionStart": {},
      "unloadEventEnd": {},
      "unloadEventStart": {}
    },
    "support_level": "stable"
  },
  "PeriodicWave": {
    "members": {},
    "support_level": "untriaged"
  },
  "Plugin": {
    "members": {
      "__getter__": {},
      "description": {},
      "filename": {},
      "item": {},
      "length": {},
      "name": {},
      "namedItem": {}
    },
    "support_level": "nonstandard"
  },
  "PluginArray": {
    "members": {
      "__getter__": {},
      "item": {},
      "length": {},
      "namedItem": {},
      "refresh": {}
    },
    "support_level": "nonstandard"
  },
  "PopStateEvent": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#popstateevent",
    "members": {
      "state": {}
    },
    "support_level": "stable"
  },
  "PositionCallback": {
    "comment": "http://www.w3.org/TR/geolocation-API/#position-callback",
    "dart_action": "unstable",
    "members": {
      "handleEvent": {}
    },
    "support_level": "stable"
  },
  "PositionError": {
    "comment": "http://www.w3.org/TR/geolocation-API/#position_error_interface",
    "dart_action": "unstable",
    "members": {
      "PERMISSION_DENIED": {},
      "POSITION_UNAVAILABLE": {},
      "TIMEOUT": {},
      "code": {},
      "message": {}
    },
    "support_level": "stable"
  },
  "PositionErrorCallback": {
    "comment": "http://www.w3.org/TR/geolocation-API/#error-callback",
    "dart_action": "unstable",
    "members": {
      "handleEvent": {}
    },
    "support_level": "stable"
  },
  "ProcessingInstruction": {
    "comment": "http://dom.spec.whatwg.org/#interface-processinginstruction",
    "dart_action": "unstable",
    "members": {
      "data": {
        "support_level": "nonstandard"
      },
      "sheet": {
        "support_level": "nonstandard"
      },
      "target": {}
    },
    "support_level": "stable"
  },
  "ProgressEvent": {
    "comment": "http://xhr.spec.whatwg.org/#interface-progressevent",
    "members": {
      "lengthComputable": {},
      "loaded": {},
      "total": {}
    },
    "support_level": "stable"
  },
  "Promise": {
    "members": {
      "_any": {
        "support_level": "untriaged"
      },
      "all": {
        "support_level": "untriaged"
      },
      "cast": {
        "support_level": "untriaged"
      },
      "every": {
        "support_level": "untriaged"
      },
      "fulfill": {
        "support_level": "untriaged"
      },
      "race": {
        "support_level": "untriaged"
      },
      "reject": {
        "support_level": "untriaged"
      },
      "resolve": {
        "support_level": "untriaged"
      },
      "some": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "PromiseResolver": {
    "members": {
      "fulfill": {
        "support_level": "untriaged"
      },
      "reject": {
        "support_level": "untriaged"
      },
      "resolve": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "RGBColor": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {
      "blue": {},
      "green": {},
      "red": {}
    },
    "support_level": "deprecated"
  },
  "RTCDTMFSender": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCDTMFSender",
    "members": {
      "addEventListener": {},
      "canInsertDTMF": {},
      "dispatchEvent": {},
      "duration": {},
      "insertDTMF": {},
      "interToneGap": {},
      "ontonechange": {},
      "removeEventListener": {},
      "toneBuffer": {},
      "track": {}
    },
    "support_level": "experimental"
  },
  "RTCDTMFToneChangeEvent": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCDTMFToneChangeEvent",
    "members": {
      "tone": {}
    },
    "support_level": "experimental"
  },
  "RTCDataChannel": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCDataChannel",
    "members": {
      "addEventListener": {},
      "binaryType": {},
      "bufferedAmount": {},
      "close": {},
      "dispatchEvent": {},
      "id": {
        "support_level": "untriaged"
      },
      "label": {},
      "maxRetransmitTime": {
        "support_level": "untriaged"
      },
      "maxRetransmits": {
        "support_level": "untriaged"
      },
      "negotiated": {
        "support_level": "untriaged"
      },
      "onclose": {},
      "onerror": {},
      "onmessage": {},
      "onopen": {},
      "ordered": {
        "support_level": "untriaged"
      },
      "protocol": {
        "support_level": "untriaged"
      },
      "readyState": {},
      "reliable": {},
      "removeEventListener": {},
      "send": {},
      "sendBlob": {},
      "sendByteBuffer": {},
      "sendString": {},
      "sendTypedData": {}
    },
    "support_level": "experimental"
  },
  "RTCDataChannelEvent": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#rtcdatachannelevent",
    "members": {
      "channel": {}
    },
    "support_level": "experimental"
  },
  "RTCErrorCallback": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#rtcerror",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "RTCIceCandidate": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCIceCandidate",
    "members": {
      "RTCIceCandidate": {},
      "candidate": {},
      "sdpMLineIndex": {},
      "sdpMid": {}
    },
    "support_level": "experimental"
  },
  "RTCIceCandidateEvent": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#rtcicecandidate-type",
    "members": {
      "candidate": {}
    },
    "support_level": "experimental"
  },
  "RTCPeerConnection": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCPeerConnection",
    "members": {
      "RTCPeerConnection": {},
      "addEventListener": {},
      "addIceCandidate": {},
      "addStream": {},
      "close": {},
      "createAnswer": {},
      "createDTMFSender": {},
      "createDataChannel": {},
      "createOffer": {},
      "dispatchEvent": {},
      "getLocalStreams": {},
      "getRemoteStreams": {},
      "getStats": {},
      "getStreamById": {},
      "iceConnectionState": {},
      "iceGatheringState": {},
      "localDescription": {},
      "onaddstream": {},
      "ondatachannel": {},
      "onicecandidate": {},
      "oniceconnectionstatechange": {},
      "onnegotiationneeded": {},
      "onremovestream": {},
      "onsignalingstatechange": {},
      "remoteDescription": {},
      "removeEventListener": {},
      "removeStream": {},
      "setLocalDescription": {},
      "setRemoteDescription": {},
      "signalingState": {},
      "updateIce": {}
    },
    "support_level": "experimental"
  },
  "RTCSessionDescription": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCSessionDescription",
    "members": {
      "RTCSessionDescription": {},
      "sdp": {},
      "type": {}
    },
    "support_level": "experimental"
  },
  "RTCSessionDescriptionCallback": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCSessionDescription",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "RTCStatsCallback": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCStatsCallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "RTCStatsReport": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCStatsReport",
    "members": {
      "id": {},
      "local": {},
      "names": {},
      "remote": {},
      "stat": {},
      "timestamp": {},
      "type": {}
    },
    "support_level": "experimental"
  },
  "RTCStatsResponse": {
    "comment": "http://dev.w3.org/2011/webrtc/editor/webrtc.html#widl-RTCStatsReport-RTCStats-getter-DOMString-id",
    "members": {
      "__getter__": {},
      "namedItem": {},
      "result": {}
    },
    "support_level": "experimental"
  },
  "RadioNodeList": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/#radionodelist",
    "members": {
      "value": {}
    },
    "support_level": "stable"
  },
  "Range": {
    "comment": "http://dom.spec.whatwg.org/#range",
    "dart_action": "unstable",
    "members": {
      "END_TO_END": {},
      "END_TO_START": {},
      "NODE_AFTER": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "NODE_BEFORE": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "NODE_BEFORE_AND_AFTER": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "NODE_INSIDE": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "Range": {},
      "START_TO_END": {},
      "START_TO_START": {},
      "cloneContents": {},
      "cloneRange": {},
      "collapse": {},
      "collapsed": {},
      "commonAncestorContainer": {},
      "compareNode": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "comparePoint": {},
      "createContextualFragment": {
        "comment": "http://domparsing.spec.whatwg.org/#extensions-to-the-range-interface"
      },
      "deleteContents": {},
      "detach": {},
      "endContainer": {},
      "endOffset": {},
      "expand": {
        "support_level": "nonstandard"
      },
      "extractContents": {},
      "getBoundingClientRect": {
        "comment": "http://dev.w3.org/csswg/cssom-view/#extensions-to-the-range-interface"
      },
      "getClientRects": {
        "comment": "http://dev.w3.org/csswg/cssom-view/#extensions-to-the-range-interface"
      },
      "insertNode": {},
      "intersectsNode": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "isPointInRange": {},
      "selectNode": {},
      "selectNodeContents": {},
      "setEnd": {},
      "setEndAfter": {},
      "setEndBefore": {},
      "setStart": {},
      "setStartAfter": {},
      "setStartBefore": {},
      "startContainer": {},
      "startOffset": {},
      "surroundContents": {},
      "toString": {}
    },
    "support_level": "stable"
  },
  "RangeException": {
    "comment": "http://dom.spec.whatwg.org/#rangeexception",
    "dart_action": "suppress",
    "members": {
      "BAD_BOUNDARYPOINTS_ERR": {},
      "INVALID_NODE_TYPE_ERR": {},
      "code": {},
      "message": {},
      "name": {},
      "toString": {}
    },
    "support_level": "deprecated"
  },
  "Rect": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {
      "bottom": {},
      "left": {},
      "right": {},
      "top": {}
    },
    "support_level": "deprecated"
  },
  "RequestAnimationFrameCallback": {
    "comment": "http://www.w3.org/TR/animation-timing/#FrameRequestCallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "stable"
  },
  "ResourceProgressEvent": {
    "comment": "https://chromiumcodereview.appspot.com/14773025/",
    "dart_action": "suppress",
    "members": {
      "url": {}
    },
    "support_level": "experimental"
  },
  "RsaKeyGenParams": {
    "members": {
      "modulusLength": {
        "support_level": "untriaged"
      },
      "publicExponent": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "RsaSsaParams": {
    "members": {
      "hash": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "SQLError": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqlerror",
    "dart_action": "experimental",
    "members": {
      "CONSTRAINT_ERR": {},
      "DATABASE_ERR": {},
      "QUOTA_ERR": {},
      "SYNTAX_ERR": {},
      "TIMEOUT_ERR": {},
      "TOO_LARGE_ERR": {},
      "UNKNOWN_ERR": {},
      "VERSION_ERR": {},
      "code": {},
      "message": {}
    },
    "support_level": "deprecated"
  },
  "SQLException": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqlexception",
    "dart_action": "experimental",
    "members": {
      "CONSTRAINT_ERR": {},
      "DATABASE_ERR": {},
      "QUOTA_ERR": {},
      "SYNTAX_ERR": {},
      "TIMEOUT_ERR": {},
      "TOO_LARGE_ERR": {},
      "UNKNOWN_ERR": {},
      "VERSION_ERR": {},
      "code": {},
      "message": {}
    },
    "support_level": "deprecated"
  },
  "SQLResultSet": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqlresultset",
    "dart_action": "experimental",
    "members": {
      "insertId": {},
      "rows": {},
      "rowsAffected": {}
    },
    "support_level": "deprecated"
  },
  "SQLResultSetRowList": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqlresultsetrowlist",
    "dart_action": "experimental",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "deprecated"
  },
  "SQLStatementCallback": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqlstatementcallback",
    "dart_action": "experimental",
    "members": {
      "handleEvent": {}
    },
    "support_level": "deprecated"
  },
  "SQLStatementErrorCallback": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqlstatementerrorcallback",
    "dart_action": "experimental",
    "members": {
      "handleEvent": {}
    },
    "support_level": "deprecated"
  },
  "SQLTransaction": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqltransaction",
    "dart_action": "suppress",
    "members": {
      "executeSql": {}
    },
    "support_level": "deprecated"
  },
  "SQLTransactionCallback": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqltransactioncallback",
    "dart_action": "experimental",
    "members": {
      "handleEvent": {}
    },
    "support_level": "deprecated"
  },
  "SQLTransactionErrorCallback": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqltransactionerrorcallback",
    "dart_action": "experimental",
    "members": {
      "handleEvent": {}
    },
    "support_level": "deprecated"
  },
  "SQLTransactionSync": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqltransactionsync",
    "dart_action": "experimental",
    "members": {
      "executeSql": {}
    },
    "support_level": "deprecated"
  },
  "SQLTransactionSyncCallback": {
    "comment": "http://www.w3.org/TR/webdatabase/#sqltransactionsynccallback",
    "dart_action": "experimental",
    "members": {
      "handleEvent": {}
    },
    "support_level": "deprecated"
  },
  "SVGAElement": {
    "comment": "http://www.w3.org/TR/SVG/linking.html#InterfaceSVGAElement",
    "dart_action": "unstable",
    "members": {
      "SVGAElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "target": {},
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGAltGlyphDefElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGAltGlyphDefElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGAltGlyphElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGAltGlyphElement",
    "dart_action": "unstable",
    "members": {
      "SVGAltGlyphElement": {},
      "format": {},
      "glyphRef": {},
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      }
    },
    "support_level": "stable"
  },
  "SVGAltGlyphItemElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGAltGlyphItemElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGAngle": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAngle",
    "dart_action": "unstable",
    "members": {
      "SVG_ANGLETYPE_DEG": {},
      "SVG_ANGLETYPE_GRAD": {},
      "SVG_ANGLETYPE_RAD": {},
      "SVG_ANGLETYPE_UNKNOWN": {},
      "SVG_ANGLETYPE_UNSPECIFIED": {},
      "convertToSpecifiedUnits": {},
      "newValueSpecifiedUnits": {},
      "unitType": {},
      "value": {},
      "valueAsString": {},
      "valueInSpecifiedUnits": {}
    },
    "support_level": "stable"
  },
  "SVGAnimateColorElement": {
    "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceSVGAnimateColorElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGAnimateElement": {
    "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceSVGAnimateElement",
    "dart_action": "unstable",
    "members": {
      "SVGAnimateElement": {}
    },
    "support_level": "stable"
  },
  "SVGAnimateMotionElement": {
    "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceSVGAnimateMotionElement",
    "dart_action": "unstable",
    "members": {
      "SVGAnimateMotionElement": {}
    },
    "support_level": "stable"
  },
  "SVGAnimateTransformElement": {
    "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceSVGAnimateTransformElement",
    "dart_action": "unstable",
    "members": {
      "SVGAnimateTransformElement": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedAngle": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedAngle",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedBoolean": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedBoolean",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedEnumeration": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedEnumeration",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedInteger": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedInteger",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedLength": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedLength",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedLengthList": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedLengthList",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedNumber": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedNumber",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedNumberList": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedNumberList",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedPreserveAspectRatio": {
    "comment": "http://www.w3.org/TR/SVG/coords.html#InterfaceSVGAnimatedPreserveAspectRatio",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedRect": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedRect",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedString": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGAnimatedString",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimatedTransformList": {
    "comment": "http://www.w3.org/TR/SVG/coords.html#InterfaceSVGAnimatedTransformList",
    "dart_action": "unstable",
    "members": {
      "animVal": {},
      "baseVal": {}
    },
    "support_level": "stable"
  },
  "SVGAnimationElement": {
    "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceSVGAnimationElement",
    "dart_action": "unstable",
    "members": {
      "SVGAnimationElement": {},
      "beginElement": {
        "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceElementTimeControl"
      },
      "beginElementAt": {
        "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceElementTimeControl"
      },
      "endElement": {
        "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceElementTimeControl"
      },
      "endElementAt": {
        "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceElementTimeControl"
      },
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "getCurrentTime": {},
      "getSimpleDuration": {},
      "getStartTime": {},
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "targetElement": {}
    },
    "support_level": "stable"
  },
  "SVGCircleElement": {
    "comment": "http://www.w3.org/TR/SVG/shapes.html#InterfaceSVGCircleElement",
    "dart_action": "unstable",
    "members": {
      "SVGCircleElement": {},
      "cx": {},
      "cy": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "r": {},
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGClipPathElement": {
    "comment": "http://www.w3.org/TR/SVG/masking.html#InterfaceSVGClipPathElement",
    "dart_action": "unstable",
    "members": {
      "SVGClipPathElement": {},
      "clipPathUnits": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGColor": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGColor",
    "dart_action": "unstable",
    "members": {
      "SVG_COLORTYPE_CURRENTCOLOR": {},
      "SVG_COLORTYPE_RGBCOLOR": {},
      "SVG_COLORTYPE_RGBCOLOR_ICCCOLOR": {},
      "SVG_COLORTYPE_UNKNOWN": {},
      "colorType": {},
      "rgbColor": {},
      "setColor": {},
      "setRGBColor": {},
      "setRGBColorICCColor": {}
    },
    "support_level": "stable"
  },
  "SVGComponentTransferFunctionElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGComponentTransferFunctionElement",
    "dart_action": "unstable",
    "members": {
      "SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE": {},
      "SVG_FECOMPONENTTRANSFER_TYPE_GAMMA": {},
      "SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY": {},
      "SVG_FECOMPONENTTRANSFER_TYPE_LINEAR": {},
      "SVG_FECOMPONENTTRANSFER_TYPE_TABLE": {},
      "SVG_FECOMPONENTTRANSFER_TYPE_UNKNOWN": {},
      "amplitude": {},
      "exponent": {},
      "intercept": {},
      "offset": {},
      "slope": {},
      "tableValues": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "SVGCursorElement": {
    "comment": "http://www.w3.org/TR/SVG/interact.html#InterfaceSVGCursorElement",
    "dart_action": "unstable",
    "members": {
      "SVGCursorElement": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGDefsElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGDefsElement",
    "dart_action": "unstable",
    "members": {
      "SVGDefsElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGDescElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGDescElement",
    "dart_action": "unstable",
    "members": {
      "SVGDescElement": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGDocument": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGDocument",
    "dart_action": "unstable",
    "members": {
      "createEvent": {},
      "rootElement": {}
    },
    "support_level": "stable"
  },
  "SVGElement": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGElement",
    "dart_action": "unstable",
    "members": {
      "className": {
        "support_level": "untriaged"
      },
      "getPresentationAttribute": {
        "support_level": "untriaged"
      },
      "id": {},
      "onabort": {
        "support_level": "untriaged"
      },
      "onblur": {
        "support_level": "untriaged"
      },
      "oncanplay": {
        "support_level": "untriaged"
      },
      "oncanplaythrough": {
        "support_level": "untriaged"
      },
      "onchange": {
        "support_level": "untriaged"
      },
      "onclick": {
        "support_level": "untriaged"
      },
      "oncontextmenu": {
        "support_level": "untriaged"
      },
      "ondblclick": {
        "support_level": "untriaged"
      },
      "ondoubleclick": {
        "support_level": "untriaged"
      },
      "ondrag": {
        "support_level": "untriaged"
      },
      "ondragend": {
        "support_level": "untriaged"
      },
      "ondragenter": {
        "support_level": "untriaged"
      },
      "ondragleave": {
        "support_level": "untriaged"
      },
      "ondragover": {
        "support_level": "untriaged"
      },
      "ondragstart": {
        "support_level": "untriaged"
      },
      "ondrop": {
        "support_level": "untriaged"
      },
      "ondurationchange": {
        "support_level": "untriaged"
      },
      "onemptied": {
        "support_level": "untriaged"
      },
      "onended": {
        "support_level": "untriaged"
      },
      "onerror": {
        "support_level": "untriaged"
      },
      "onfocus": {
        "support_level": "untriaged"
      },
      "oninput": {
        "support_level": "untriaged"
      },
      "oninvalid": {
        "support_level": "untriaged"
      },
      "onkeydown": {
        "support_level": "untriaged"
      },
      "onkeypress": {
        "support_level": "untriaged"
      },
      "onkeyup": {
        "support_level": "untriaged"
      },
      "onload": {
        "support_level": "untriaged"
      },
      "onloadeddata": {
        "support_level": "untriaged"
      },
      "onloadedmetadata": {
        "support_level": "untriaged"
      },
      "onmousedown": {
        "support_level": "untriaged"
      },
      "onmouseenter": {
        "support_level": "untriaged"
      },
      "onmouseleave": {
        "support_level": "untriaged"
      },
      "onmousemove": {
        "support_level": "untriaged"
      },
      "onmouseout": {
        "support_level": "untriaged"
      },
      "onmouseover": {
        "support_level": "untriaged"
      },
      "onmouseup": {
        "support_level": "untriaged"
      },
      "onmousewheel": {
        "support_level": "untriaged"
      },
      "onpause": {
        "support_level": "untriaged"
      },
      "onplay": {
        "support_level": "untriaged"
      },
      "onplaying": {
        "support_level": "untriaged"
      },
      "onratechange": {
        "support_level": "untriaged"
      },
      "onreset": {
        "support_level": "untriaged"
      },
      "onscroll": {
        "support_level": "untriaged"
      },
      "onseeked": {
        "support_level": "untriaged"
      },
      "onseeking": {
        "support_level": "untriaged"
      },
      "onselect": {
        "support_level": "untriaged"
      },
      "onstalled": {
        "support_level": "untriaged"
      },
      "onsubmit": {
        "support_level": "untriaged"
      },
      "onsuspend": {
        "support_level": "untriaged"
      },
      "ontimeupdate": {
        "support_level": "untriaged"
      },
      "onvolumechange": {
        "support_level": "untriaged"
      },
      "onwaiting": {
        "support_level": "untriaged"
      },
      "ownerSVGElement": {},
      "style": {
        "support_level": "untriaged"
      },
      "viewportElement": {},
      "xmlbase": {},
      "xmllang": {
        "support_level": "untriaged"
      },
      "xmlspace": {
        "support_level": "untriaged"
      }
    },
    "support_level": "stable"
  },
  "SVGElementInstance": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGElementInstance",
    "dart_action": "unstable",
    "members": {
      "addEventListener": {
        "support_level": "untriaged"
      },
      "childNodes": {},
      "correspondingElement": {},
      "correspondingUseElement": {},
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "firstChild": {},
      "lastChild": {},
      "nextSibling": {},
      "onabort": {},
      "onbeforecopy": {},
      "onbeforecut": {},
      "onbeforepaste": {},
      "onblur": {},
      "onchange": {},
      "onclick": {},
      "oncontextmenu": {},
      "oncopy": {},
      "oncut": {},
      "ondblclick": {},
      "ondoubleclick": {
        "support_level": "untriaged"
      },
      "ondrag": {},
      "ondragend": {},
      "ondragenter": {},
      "ondragleave": {},
      "ondragover": {},
      "ondragstart": {},
      "ondrop": {},
      "onerror": {},
      "onfocus": {},
      "oninput": {},
      "onkeydown": {},
      "onkeypress": {},
      "onkeyup": {},
      "onload": {},
      "onmousedown": {},
      "onmouseenter": {
        "support_level": "untriaged"
      },
      "onmouseleave": {
        "support_level": "untriaged"
      },
      "onmousemove": {},
      "onmouseout": {},
      "onmouseover": {},
      "onmouseup": {},
      "onmousewheel": {},
      "onpaste": {},
      "onreset": {},
      "onresize": {},
      "onscroll": {},
      "onsearch": {
        "comment": "http://www.w3.org/TR/html-markup/input.search.html",
        "support_level": "experimental"
      },
      "onselect": {},
      "onselectstart": {},
      "onsubmit": {},
      "onunload": {},
      "onwheel": {
        "support_level": "untriaged"
      },
      "parentNode": {},
      "previousSibling": {},
      "removeEventListener": {
        "support_level": "untriaged"
      }
    },
    "support_level": "stable"
  },
  "SVGElementInstanceList": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGElementInstanceList",
    "dart_action": "unstable",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "stable"
  },
  "SVGEllipseElement": {
    "comment": "http://www.w3.org/TR/SVG/shapes.html#InterfaceSVGEllipseElement",
    "dart_action": "unstable",
    "members": {
      "SVGEllipseElement": {},
      "cx": {},
      "cy": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "rx": {},
      "ry": {},
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGException": {
    "comment": "http://www.w3.org/TR/SVG/svgdom.html#ExceptionSVGException",
    "dart_action": "unstable",
    "members": {
      "SVG_INVALID_VALUE_ERR": {},
      "SVG_MATRIX_NOT_INVERTABLE": {},
      "SVG_WRONG_TYPE_ERR": {},
      "code": {},
      "message": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "name": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "toString": {}
    },
    "support_level": "stable"
  },
  "SVGExternalResourcesRequired": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired",
    "dart_action": "unstable",
    "members": {
      "externalResourcesRequired": {}
    },
    "support_level": "stable"
  },
  "SVGFEBlendElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEBlendElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEBlendElement": {},
      "SVG_FEBLEND_MODE_DARKEN": {},
      "SVG_FEBLEND_MODE_LIGHTEN": {},
      "SVG_FEBLEND_MODE_MULTIPLY": {},
      "SVG_FEBLEND_MODE_NORMAL": {},
      "SVG_FEBLEND_MODE_SCREEN": {},
      "SVG_FEBLEND_MODE_UNKNOWN": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "in2": {},
      "mode": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEColorMatrixElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEColorMatrixElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEColorMatrixElement": {},
      "SVG_FECOLORMATRIX_TYPE_HUEROTATE": {},
      "SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA": {},
      "SVG_FECOLORMATRIX_TYPE_MATRIX": {},
      "SVG_FECOLORMATRIX_TYPE_SATURATE": {},
      "SVG_FECOLORMATRIX_TYPE_UNKNOWN": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "type": {},
      "values": {},
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEComponentTransferElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEComponentTransferElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEComponentTransferElement": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFECompositeElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFECompositeElement",
    "dart_action": "unstable",
    "members": {
      "SVG_FECOMPOSITE_OPERATOR_ARITHMETIC": {},
      "SVG_FECOMPOSITE_OPERATOR_ATOP": {},
      "SVG_FECOMPOSITE_OPERATOR_IN": {},
      "SVG_FECOMPOSITE_OPERATOR_OUT": {},
      "SVG_FECOMPOSITE_OPERATOR_OVER": {},
      "SVG_FECOMPOSITE_OPERATOR_UNKNOWN": {},
      "SVG_FECOMPOSITE_OPERATOR_XOR": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "in2": {},
      "k1": {},
      "k2": {},
      "k3": {},
      "k4": {},
      "operator": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEConvolveMatrixElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEConvolveMatrixElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEConvolveMatrixElement": {},
      "SVG_EDGEMODE_DUPLICATE": {},
      "SVG_EDGEMODE_NONE": {},
      "SVG_EDGEMODE_UNKNOWN": {},
      "SVG_EDGEMODE_WRAP": {},
      "bias": {},
      "divisor": {},
      "edgeMode": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "kernelMatrix": {},
      "kernelUnitLengthX": {},
      "kernelUnitLengthY": {},
      "orderX": {},
      "orderY": {},
      "preserveAlpha": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "targetX": {},
      "targetY": {},
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEDiffuseLightingElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEDiffuseLightingElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEDiffuseLightingElement": {},
      "diffuseConstant": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "kernelUnitLengthX": {},
      "kernelUnitLengthY": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "surfaceScale": {},
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEDisplacementMapElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEDisplacementMapElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEDisplacementMapElement": {},
      "SVG_CHANNEL_A": {},
      "SVG_CHANNEL_B": {},
      "SVG_CHANNEL_G": {},
      "SVG_CHANNEL_R": {},
      "SVG_CHANNEL_UNKNOWN": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "in2": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "scale": {},
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "xChannelSelector": {},
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "yChannelSelector": {}
    },
    "support_level": "stable"
  },
  "SVGFEDistantLightElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEDistantLightElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEDistantLightElement": {},
      "azimuth": {},
      "elevation": {}
    },
    "support_level": "stable"
  },
  "SVGFEDropShadowElement": {
    "dart_action": "experimental",
    "members": {
      "dx": {},
      "dy": {},
      "in1": {},
      "setStdDeviation": {},
      "stdDeviationX": {},
      "stdDeviationY": {}
    },
    "support_level": "nonstandard"
  },
  "SVGFEFloodElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEFloodElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEFloodElement": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEFuncAElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEFuncAElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEFuncAElement": {}
    },
    "support_level": "stable"
  },
  "SVGFEFuncBElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEFuncBElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEFuncBElement": {}
    },
    "support_level": "stable"
  },
  "SVGFEFuncGElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEFuncGElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEFuncGElement": {}
    },
    "support_level": "stable"
  },
  "SVGFEFuncRElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEFuncRElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEFuncRElement": {}
    },
    "support_level": "stable"
  },
  "SVGFEGaussianBlurElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEGaussianBlurElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEGaussianBlurElement": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "setStdDeviation": {},
      "stdDeviationX": {},
      "stdDeviationY": {},
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEImageElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEImageElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEImageElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "preserveAspectRatio": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEMergeElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEMergeElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEMergeElement": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEMergeNodeElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEMergeNodeElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEMergeNodeElement": {},
      "in1": {}
    },
    "support_level": "stable"
  },
  "SVGFEMorphologyElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEMorphologyElement",
    "dart_action": "unstable",
    "members": {
      "SVG_MORPHOLOGY_OPERATOR_DILATE": {},
      "SVG_MORPHOLOGY_OPERATOR_ERODE": {},
      "SVG_MORPHOLOGY_OPERATOR_UNKNOWN": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "operator": {},
      "radiusX": {},
      "radiusY": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "setRadius": {},
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEOffsetElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEOffsetElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEOffsetElement": {},
      "dx": {},
      "dy": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFEPointLightElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFEPointLightElement",
    "dart_action": "unstable",
    "members": {
      "SVGFEPointLightElement": {},
      "x": {},
      "y": {},
      "z": {}
    },
    "support_level": "stable"
  },
  "SVGFESpecularLightingElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFESpecularLightingElement",
    "dart_action": "unstable",
    "members": {
      "SVGFESpecularLightingElement": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "specularConstant": {},
      "specularExponent": {},
      "surfaceScale": {},
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFESpotLightElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFESpotLightElement",
    "dart_action": "unstable",
    "members": {
      "SVGFESpotLightElement": {},
      "limitingConeAngle": {},
      "pointsAtX": {},
      "pointsAtY": {},
      "pointsAtZ": {},
      "specularExponent": {},
      "x": {},
      "y": {},
      "z": {}
    },
    "support_level": "stable"
  },
  "SVGFETileElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFETileElement",
    "dart_action": "unstable",
    "members": {
      "SVGFETileElement": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "in1": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFETurbulenceElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFETurbulenceElement",
    "dart_action": "unstable",
    "members": {
      "SVGFETurbulenceElement": {},
      "SVG_STITCHTYPE_NOSTITCH": {},
      "SVG_STITCHTYPE_STITCH": {},
      "SVG_STITCHTYPE_UNKNOWN": {},
      "SVG_TURBULENCE_TYPE_FRACTALNOISE": {},
      "SVG_TURBULENCE_TYPE_TURBULENCE": {},
      "SVG_TURBULENCE_TYPE_UNKNOWN": {},
      "baseFrequencyX": {},
      "baseFrequencyY": {},
      "height": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "numOctaves": {},
      "result": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "seed": {},
      "stitchTiles": {},
      "type": {},
      "width": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "x": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      },
      "y": {
        "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes"
      }
    },
    "support_level": "stable"
  },
  "SVGFilterElement": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterElement",
    "dart_action": "unstable",
    "members": {
      "SVGFilterElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "filterResX": {},
      "filterResY": {},
      "filterUnits": {},
      "height": {},
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "primitiveUnits": {},
      "setFilterRes": {},
      "width": {},
      "x": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGFilterPrimitiveStandardAttributes": {
    "comment": "http://www.w3.org/TR/SVG/filters.html#InterfaceSVGFilterPrimitiveStandardAttributes",
    "dart_action": "unstable",
    "members": {
      "height": {},
      "result": {},
      "width": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGFitToViewBox": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox",
    "dart_action": "unstable",
    "members": {
      "preserveAspectRatio": {},
      "viewBox": {}
    },
    "support_level": "stable"
  },
  "SVGFontElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGFontElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGFontFaceElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGFontFaceElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGFontFaceFormatElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGFontFaceFormatElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGFontFaceNameElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGFontFaceNameElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGFontFaceSrcElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGFontFaceSrcElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGFontFaceUriElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGFontFaceUriElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGForeignObjectElement": {
    "comment": "http://www.w3.org/TR/SVG/extend.html#InterfaceSVGForeignObjectElement",
    "dart_action": "unstable",
    "members": {
      "SVGForeignObjectElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "height": {},
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "width": {},
      "x": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGGElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGGElement",
    "dart_action": "unstable",
    "members": {
      "SVGGElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGGeometryElement": {
    "members": {
      "isPointInFill": {
        "support_level": "untriaged"
      },
      "isPointInStroke": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "SVGGlyphElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGGlyphElement",
    "dart_action": "unstable",
    "members": {
      "SVGGlyphElement": {}
    },
    "support_level": "stable"
  },
  "SVGGlyphRefElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGGlyphRefElement",
    "dart_action": "unstable",
    "members": {
      "dx": {},
      "dy": {},
      "format": {},
      "glyphRef": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGGradientElement": {
    "comment": "http://www.w3.org/TR/SVG/pservers.html#InterfaceSVGGradientElement",
    "dart_action": "unstable",
    "members": {
      "SVG_SPREADMETHOD_PAD": {},
      "SVG_SPREADMETHOD_REFLECT": {},
      "SVG_SPREADMETHOD_REPEAT": {},
      "SVG_SPREADMETHOD_UNKNOWN": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "gradientTransform": {},
      "gradientUnits": {},
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "spreadMethod": {}
    },
    "support_level": "stable"
  },
  "SVGGraphicsElement": {
    "members": {
      "farthestViewportElement": {
        "support_level": "untriaged"
      },
      "getBBox": {
        "support_level": "untriaged"
      },
      "getCTM": {
        "support_level": "untriaged"
      },
      "getScreenCTM": {
        "support_level": "untriaged"
      },
      "getStrokeBBox": {
        "support_level": "untriaged"
      },
      "getTransformToElement": {
        "support_level": "untriaged"
      },
      "hasExtension": {
        "support_level": "untriaged"
      },
      "nearestViewportElement": {
        "support_level": "untriaged"
      },
      "requiredExtensions": {
        "support_level": "untriaged"
      },
      "requiredFeatures": {
        "support_level": "untriaged"
      },
      "systemLanguage": {
        "support_level": "untriaged"
      },
      "transform": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "SVGHKernElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGHKernElement",
    "dart_action": "unstable",
    "members": {
      "SVGHKernElement": {}
    },
    "support_level": "stable"
  },
  "SVGImageElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGImageElement",
    "dart_action": "unstable",
    "members": {
      "SVGImageElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "height": {},
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "preserveAspectRatio": {},
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "width": {},
      "x": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGLangSpace": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace",
    "dart_action": "unstable",
    "members": {
      "xmllang": {},
      "xmlspace": {}
    },
    "support_level": "stable"
  },
  "SVGLength": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLength",
    "dart_action": "unstable",
    "members": {
      "SVG_LENGTHTYPE_CM": {},
      "SVG_LENGTHTYPE_EMS": {},
      "SVG_LENGTHTYPE_EXS": {},
      "SVG_LENGTHTYPE_IN": {},
      "SVG_LENGTHTYPE_MM": {},
      "SVG_LENGTHTYPE_NUMBER": {},
      "SVG_LENGTHTYPE_PC": {},
      "SVG_LENGTHTYPE_PERCENTAGE": {},
      "SVG_LENGTHTYPE_PT": {},
      "SVG_LENGTHTYPE_PX": {},
      "SVG_LENGTHTYPE_UNKNOWN": {},
      "convertToSpecifiedUnits": {},
      "newValueSpecifiedUnits": {},
      "unitType": {},
      "value": {},
      "valueAsString": {},
      "valueInSpecifiedUnits": {}
    },
    "support_level": "stable"
  },
  "SVGLengthList": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLengthList",
    "dart_action": "unstable",
    "members": {
      "appendItem": {},
      "clear": {},
      "getItem": {},
      "initialize": {},
      "insertItemBefore": {},
      "numberOfItems": {},
      "removeItem": {},
      "replaceItem": {}
    },
    "support_level": "stable"
  },
  "SVGLineElement": {
    "comment": "http://www.w3.org/TR/SVG/shapes.html#InterfaceSVGLineElement",
    "dart_action": "unstable",
    "members": {
      "SVGLineElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "x1": {},
      "x2": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y1": {},
      "y2": {}
    },
    "support_level": "stable"
  },
  "SVGLinearGradientElement": {
    "comment": "http://www.w3.org/TR/SVG/pservers.html#InterfaceSVGLinearGradientElement",
    "dart_action": "unstable",
    "members": {
      "SVGLinearGradientElement": {},
      "x1": {},
      "x2": {},
      "y1": {},
      "y2": {}
    },
    "support_level": "stable"
  },
  "SVGLocatable": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable",
    "dart_action": "unstable",
    "members": {
      "farthestViewportElement": {},
      "getBBox": {},
      "getCTM": {},
      "getScreenCTM": {},
      "getTransformToElement": {},
      "nearestViewportElement": {}
    },
    "support_level": "stable"
  },
  "SVGMPathElement": {
    "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceSVGMPathElement",
    "members": {
      "SVGMPathElement": {}
    },
    "support_level": "stable"
  },
  "SVGMarkerElement": {
    "comment": "http://www.w3.org/TR/SVG/painting.html#InterfaceSVGMarkerElement",
    "dart_action": "unstable",
    "members": {
      "SVGMarkerElement": {},
      "SVG_MARKERUNITS_STROKEWIDTH": {},
      "SVG_MARKERUNITS_UNKNOWN": {},
      "SVG_MARKERUNITS_USERSPACEONUSE": {},
      "SVG_MARKER_ORIENT_ANGLE": {},
      "SVG_MARKER_ORIENT_AUTO": {},
      "SVG_MARKER_ORIENT_UNKNOWN": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "markerHeight": {},
      "markerUnits": {},
      "markerWidth": {},
      "orientAngle": {},
      "orientType": {},
      "preserveAspectRatio": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "refX": {},
      "refY": {},
      "setOrientToAngle": {},
      "setOrientToAuto": {},
      "viewBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGMaskElement": {
    "comment": "http://www.w3.org/TR/SVG/masking.html#InterfaceSVGMaskElement",
    "dart_action": "unstable",
    "members": {
      "SVGMaskElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "height": {},
      "maskContentUnits": {},
      "maskUnits": {},
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "width": {},
      "x": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGMatrix": {
    "comment": "http://www.w3.org/TR/SVG/coords.html#InterfaceSVGMatrix",
    "dart_action": "unstable",
    "members": {
      "a": {},
      "b": {},
      "c": {},
      "d": {},
      "e": {},
      "f": {},
      "flipX": {},
      "flipY": {},
      "inverse": {},
      "multiply": {},
      "rotate": {},
      "rotateFromVector": {},
      "scale": {},
      "scaleNonUniform": {},
      "skewX": {},
      "skewY": {},
      "translate": {}
    },
    "support_level": "stable"
  },
  "SVGMetadataElement": {
    "comment": "http://www.w3.org/TR/SVG/metadata.html#InterfaceSVGMetadataElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGMissingGlyphElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGMissingGlyphElement",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGNumber": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGNumber",
    "dart_action": "unstable",
    "members": {
      "value": {}
    },
    "support_level": "stable"
  },
  "SVGNumberList": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGNumberList",
    "dart_action": "unstable",
    "members": {
      "appendItem": {},
      "clear": {},
      "getItem": {},
      "initialize": {},
      "insertItemBefore": {},
      "numberOfItems": {},
      "removeItem": {},
      "replaceItem": {}
    },
    "support_level": "stable"
  },
  "SVGPaint": {
    "comment": "http://www.w3.org/TR/SVG/painting.html#InterfaceSVGPaint",
    "dart_action": "unstable",
    "members": {
      "SVG_PAINTTYPE_CURRENTCOLOR": {},
      "SVG_PAINTTYPE_NONE": {},
      "SVG_PAINTTYPE_RGBCOLOR": {},
      "SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR": {},
      "SVG_PAINTTYPE_UNKNOWN": {},
      "SVG_PAINTTYPE_URI": {},
      "SVG_PAINTTYPE_URI_CURRENTCOLOR": {},
      "SVG_PAINTTYPE_URI_NONE": {},
      "SVG_PAINTTYPE_URI_RGBCOLOR": {},
      "SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR": {},
      "paintType": {},
      "setPaint": {},
      "setUri": {},
      "uri": {}
    },
    "support_level": "stable"
  },
  "SVGPathElement": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathElement",
    "dart_action": "unstable",
    "members": {
      "SVGPathElement": {},
      "animatedNormalizedPathSegList": {},
      "animatedPathSegList": {},
      "createSVGPathSegArcAbs": {},
      "createSVGPathSegArcRel": {},
      "createSVGPathSegClosePath": {},
      "createSVGPathSegCurvetoCubicAbs": {},
      "createSVGPathSegCurvetoCubicRel": {},
      "createSVGPathSegCurvetoCubicSmoothAbs": {},
      "createSVGPathSegCurvetoCubicSmoothRel": {},
      "createSVGPathSegCurvetoQuadraticAbs": {},
      "createSVGPathSegCurvetoQuadraticRel": {},
      "createSVGPathSegCurvetoQuadraticSmoothAbs": {},
      "createSVGPathSegCurvetoQuadraticSmoothRel": {},
      "createSVGPathSegLinetoAbs": {},
      "createSVGPathSegLinetoHorizontalAbs": {},
      "createSVGPathSegLinetoHorizontalRel": {},
      "createSVGPathSegLinetoRel": {},
      "createSVGPathSegLinetoVerticalAbs": {},
      "createSVGPathSegLinetoVerticalRel": {},
      "createSVGPathSegMovetoAbs": {},
      "createSVGPathSegMovetoRel": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getPathSegAtLength": {},
      "getPointAtLength": {},
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTotalLength": {},
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "normalizedPathSegList": {},
      "pathLength": {},
      "pathSegList": {},
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGPathSeg": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg",
    "dart_action": "unstable",
    "members": {
      "PATHSEG_ARC_ABS": {},
      "PATHSEG_ARC_REL": {},
      "PATHSEG_CLOSEPATH": {},
      "PATHSEG_CURVETO_CUBIC_ABS": {},
      "PATHSEG_CURVETO_CUBIC_REL": {},
      "PATHSEG_CURVETO_CUBIC_SMOOTH_ABS": {},
      "PATHSEG_CURVETO_CUBIC_SMOOTH_REL": {},
      "PATHSEG_CURVETO_QUADRATIC_ABS": {},
      "PATHSEG_CURVETO_QUADRATIC_REL": {},
      "PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS": {},
      "PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL": {},
      "PATHSEG_LINETO_ABS": {},
      "PATHSEG_LINETO_HORIZONTAL_ABS": {},
      "PATHSEG_LINETO_HORIZONTAL_REL": {},
      "PATHSEG_LINETO_REL": {},
      "PATHSEG_LINETO_VERTICAL_ABS": {},
      "PATHSEG_LINETO_VERTICAL_REL": {},
      "PATHSEG_MOVETO_ABS": {},
      "PATHSEG_MOVETO_REL": {},
      "PATHSEG_UNKNOWN": {},
      "pathSegType": {},
      "pathSegTypeAsLetter": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegArcAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegArcAbs",
    "dart_action": "unstable",
    "members": {
      "angle": {},
      "largeArcFlag": {},
      "r1": {},
      "r2": {},
      "sweepFlag": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegArcRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegArcRel",
    "dart_action": "unstable",
    "members": {
      "angle": {},
      "largeArcFlag": {},
      "r1": {},
      "r2": {},
      "sweepFlag": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegClosePath": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegClosePath",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "SVGPathSegCurvetoCubicAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegCurvetoCubicAbs",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "x1": {},
      "x2": {},
      "y": {},
      "y1": {},
      "y2": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegCurvetoCubicRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegCurvetoCubicRel",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "x1": {},
      "x2": {},
      "y": {},
      "y1": {},
      "y2": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegCurvetoCubicSmoothAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegCurvetoCubicSmoothAbs",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "x2": {},
      "y": {},
      "y2": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegCurvetoCubicSmoothRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegCurvetoCubicSmoothRel",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "x2": {},
      "y": {},
      "y2": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegCurvetoQuadraticAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegCurvetoQuadraticAbs",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "x1": {},
      "y": {},
      "y1": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegCurvetoQuadraticRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegCurvetoQuadraticRel",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "x1": {},
      "y": {},
      "y1": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegCurvetoQuadraticSmoothAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegCurvetoQuadraticSmoothAbs",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegCurvetoQuadraticSmoothRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegCurvetoQuadraticSmoothRel",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegLinetoAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegLinetoAbs",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegLinetoHorizontalAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegLinetoHorizontalAbs",
    "dart_action": "unstable",
    "members": {
      "x": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegLinetoHorizontalRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegLinetoHorizontalRel",
    "dart_action": "unstable",
    "members": {
      "x": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegLinetoRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegLinetoRel",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegLinetoVerticalAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegLinetoVerticalAbs",
    "dart_action": "unstable",
    "members": {
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegLinetoVerticalRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegLinetoVerticalRel",
    "dart_action": "unstable",
    "members": {
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegList": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegList",
    "dart_action": "unstable",
    "members": {
      "appendItem": {},
      "clear": {},
      "getItem": {},
      "initialize": {},
      "insertItemBefore": {},
      "numberOfItems": {},
      "removeItem": {},
      "replaceItem": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegMovetoAbs": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegMovetoAbs",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPathSegMovetoRel": {
    "comment": "http://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSegMovetoRel",
    "dart_action": "unstable",
    "members": {
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPatternElement": {
    "comment": "http://www.w3.org/TR/SVG/pservers.html#InterfaceSVGPatternElement",
    "dart_action": "unstable",
    "members": {
      "SVGPatternElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "height": {},
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "patternContentUnits": {},
      "patternTransform": {},
      "patternUnits": {},
      "preserveAspectRatio": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "viewBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "width": {},
      "x": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPoint": {
    "comment": "http://www.w3.org/TR/SVG/coords.html#InterfaceSVGPoint",
    "dart_action": "unstable",
    "members": {
      "matrixTransform": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGPointList": {
    "comment": "http://www.w3.org/TR/SVG/coords.html#InterfaceSVGPointList",
    "dart_action": "unstable",
    "members": {
      "appendItem": {},
      "clear": {},
      "getItem": {},
      "initialize": {},
      "insertItemBefore": {},
      "numberOfItems": {},
      "removeItem": {},
      "replaceItem": {}
    },
    "support_level": "stable"
  },
  "SVGPolygonElement": {
    "comment": "http://www.w3.org/TR/SVG/shapes.html#InterfaceSVGPolygonElement",
    "dart_action": "unstable",
    "members": {
      "SVGPolygonElement": {},
      "animatedPoints": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "points": {},
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGPolylineElement": {
    "comment": "http://www.w3.org/TR/SVG/shapes.html#InterfaceSVGPolylineElement",
    "dart_action": "unstable",
    "members": {
      "SVGPolylineElement": {},
      "animatedPoints": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "points": {},
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGPreserveAspectRatio": {
    "comment": "http://www.w3.org/TR/SVG/coords.html#InterfaceSVGPreserveAspectRatio",
    "dart_action": "unstable",
    "members": {
      "SVG_MEETORSLICE_MEET": {},
      "SVG_MEETORSLICE_SLICE": {},
      "SVG_MEETORSLICE_UNKNOWN": {},
      "SVG_PRESERVEASPECTRATIO_NONE": {},
      "SVG_PRESERVEASPECTRATIO_UNKNOWN": {},
      "SVG_PRESERVEASPECTRATIO_XMAXYMAX": {},
      "SVG_PRESERVEASPECTRATIO_XMAXYMID": {},
      "SVG_PRESERVEASPECTRATIO_XMAXYMIN": {},
      "SVG_PRESERVEASPECTRATIO_XMIDYMAX": {},
      "SVG_PRESERVEASPECTRATIO_XMIDYMID": {},
      "SVG_PRESERVEASPECTRATIO_XMIDYMIN": {},
      "SVG_PRESERVEASPECTRATIO_XMINYMAX": {},
      "SVG_PRESERVEASPECTRATIO_XMINYMID": {},
      "SVG_PRESERVEASPECTRATIO_XMINYMIN": {},
      "align": {},
      "meetOrSlice": {}
    },
    "support_level": "stable"
  },
  "SVGRadialGradientElement": {
    "comment": "http://www.w3.org/TR/SVG/pservers.html#InterfaceSVGRadialGradientElement",
    "dart_action": "unstable",
    "members": {
      "SVGRadialGradientElement": {},
      "cx": {},
      "cy": {},
      "fr": {},
      "fx": {},
      "fy": {},
      "r": {}
    },
    "support_level": "stable"
  },
  "SVGRect": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGRect",
    "dart_action": "unstable",
    "members": {
      "height": {},
      "width": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGRectElement": {
    "comment": "http://www.w3.org/TR/SVG/shapes.html#InterfaceSVGRectElement",
    "dart_action": "unstable",
    "members": {
      "SVGRectElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "height": {},
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "rx": {},
      "ry": {},
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "width": {},
      "x": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGRenderingIntent": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGRenderingIntent",
    "dart_action": "unstable",
    "members": {
      "RENDERING_INTENT_ABSOLUTE_COLORIMETRIC": {},
      "RENDERING_INTENT_AUTO": {},
      "RENDERING_INTENT_PERCEPTUAL": {},
      "RENDERING_INTENT_RELATIVE_COLORIMETRIC": {},
      "RENDERING_INTENT_SATURATION": {},
      "RENDERING_INTENT_UNKNOWN": {}
    },
    "support_level": "stable"
  },
  "SVGSVGElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGSVGElement",
    "dart_action": "unstable",
    "members": {
      "animationsPaused": {},
      "checkEnclosure": {},
      "checkIntersection": {},
      "contentScriptType": {},
      "contentStyleType": {},
      "createSVGAngle": {},
      "createSVGLength": {},
      "createSVGMatrix": {},
      "createSVGNumber": {},
      "createSVGPoint": {},
      "createSVGRect": {},
      "createSVGTransform": {},
      "createSVGTransformFromMatrix": {},
      "currentScale": {},
      "currentTranslate": {},
      "currentView": {},
      "deselectAll": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "forceRedraw": {},
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCurrentTime": {},
      "getElementById": {},
      "getEnclosureList": {},
      "getIntersectionList": {},
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "height": {},
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "pauseAnimations": {},
      "pixelUnitToMillimeterX": {},
      "pixelUnitToMillimeterY": {},
      "preserveAspectRatio": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "screenPixelToMillimeterX": {},
      "screenPixelToMillimeterY": {},
      "setCurrentTime": {},
      "suspendRedraw": {},
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "unpauseAnimations": {},
      "unsuspendRedraw": {},
      "unsuspendRedrawAll": {},
      "useCurrentView": {},
      "viewBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "viewport": {},
      "width": {},
      "x": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {},
      "zoomAndPan": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGZoomAndPan"
      }
    },
    "support_level": "stable"
  },
  "SVGScriptElement": {
    "comment": "http://www.w3.org/TR/SVG/script.html#InterfaceSVGScriptElement",
    "dart_action": "unstable",
    "members": {
      "SVGScriptElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "type": {}
    },
    "support_level": "stable"
  },
  "SVGSetElement": {
    "comment": "http://www.w3.org/TR/SVG/animate.html#InterfaceSVGSetElement",
    "dart_action": "unstable",
    "members": {
      "SVGSetElement": {}
    },
    "support_level": "stable"
  },
  "SVGStopElement": {
    "comment": "http://www.w3.org/TR/SVG/pservers.html#InterfaceSVGStopElement",
    "dart_action": "unstable",
    "members": {
      "SVGStopElement": {},
      "offset": {}
    },
    "support_level": "stable"
  },
  "SVGStringList": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGStringList",
    "dart_action": "unstable",
    "members": {
      "appendItem": {},
      "clear": {},
      "getItem": {},
      "initialize": {},
      "insertItemBefore": {},
      "numberOfItems": {},
      "removeItem": {},
      "replaceItem": {}
    },
    "support_level": "stable"
  },
  "SVGStyleElement": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGStylable",
    "dart_action": "experimental",
    "members": {
      "SVGStyleElement": {},
      "disabled": {},
      "media": {},
      "title": {},
      "type": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "nonstandard"
  },
  "SVGStyledElement": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGStylable (SVGStylable)",
    "dart_action": "unstable",
    "members": {
      "className": {},
      "getPresentationAttribute": {},
      "style": {}
    },
    "support_level": "experimental"
  },
  "SVGSwitchElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGSwitchElement",
    "dart_action": "unstable",
    "members": {
      "SVGSwitchElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGSymbolElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGSymbolElement",
    "dart_action": "unstable",
    "members": {
      "SVGSymbolElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "preserveAspectRatio": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "viewBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGTRefElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGTRefElement",
    "dart_action": "unstable",
    "members": {
      "SVGTRefElement": {}
    },
    "support_level": "stable"
  },
  "SVGTSpanElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGTSpanElement",
    "dart_action": "unstable",
    "members": {
      "SVGTSpanElement": {}
    },
    "support_level": "stable"
  },
  "SVGTests": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests",
    "dart_action": "unstable",
    "members": {
      "hasExtension": {},
      "requiredExtensions": {},
      "requiredFeatures": {},
      "systemLanguage": {}
    },
    "support_level": "stable"
  },
  "SVGTextContentElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGTextContentElement",
    "dart_action": "unstable",
    "members": {
      "LENGTHADJUST_SPACING": {},
      "LENGTHADJUST_SPACINGANDGLYPHS": {},
      "LENGTHADJUST_UNKNOWN": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "getCharNumAtPosition": {},
      "getComputedTextLength": {},
      "getEndPositionOfChar": {},
      "getExtentOfChar": {},
      "getNumberOfChars": {},
      "getRotationOfChar": {},
      "getStartPositionOfChar": {},
      "getSubStringLength": {},
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "lengthAdjust": {},
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "selectSubString": {},
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "textLength": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGTextElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGTextElement",
    "dart_action": "unstable",
    "members": {
      "SVGTextElement": {},
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      }
    },
    "support_level": "stable"
  },
  "SVGTextPathElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGTextPathElement",
    "dart_action": "unstable",
    "members": {
      "TEXTPATH_METHODTYPE_ALIGN": {},
      "TEXTPATH_METHODTYPE_STRETCH": {},
      "TEXTPATH_METHODTYPE_UNKNOWN": {},
      "TEXTPATH_SPACINGTYPE_AUTO": {},
      "TEXTPATH_SPACINGTYPE_EXACT": {},
      "TEXTPATH_SPACINGTYPE_UNKNOWN": {},
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "method": {},
      "spacing": {},
      "startOffset": {}
    },
    "support_level": "stable"
  },
  "SVGTextPositioningElement": {
    "comment": "http://www.w3.org/TR/SVG/text.html#InterfaceSVGTextPositioningElement",
    "dart_action": "unstable",
    "members": {
      "dx": {},
      "dy": {},
      "rotate": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGTitleElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGTitleElement",
    "dart_action": "unstable",
    "members": {
      "SVGTitleElement": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
  "SVGTransform": {
    "comment": "http://www.w3.org/TR/SVG/coords.html#InterfaceSVGTransform",
    "dart_action": "unstable",
    "members": {
      "SVG_TRANSFORM_MATRIX": {},
      "SVG_TRANSFORM_ROTATE": {},
      "SVG_TRANSFORM_SCALE": {},
      "SVG_TRANSFORM_SKEWX": {},
      "SVG_TRANSFORM_SKEWY": {},
      "SVG_TRANSFORM_TRANSLATE": {},
      "SVG_TRANSFORM_UNKNOWN": {},
      "angle": {},
      "matrix": {},
      "setMatrix": {},
      "setRotate": {},
      "setScale": {},
      "setSkewX": {},
      "setSkewY": {},
      "setTranslate": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "SVGTransformList": {
    "comment": "http://www.w3.org/TR/SVG/coords.html#InterfaceSVGTransformList",
    "dart_action": "unstable",
    "members": {
      "appendItem": {},
      "clear": {},
      "consolidate": {},
      "createSVGTransformFromMatrix": {},
      "getItem": {},
      "initialize": {},
      "insertItemBefore": {},
      "numberOfItems": {},
      "removeItem": {},
      "replaceItem": {}
    },
    "support_level": "stable"
  },
  "SVGTransformable": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable",
    "dart_action": "unstable",
    "members": {
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "transform": {}
    },
    "support_level": "stable"
  },
  "SVGURIReference": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference",
    "dart_action": "unstable",
    "members": {
      "href": {}
    },
    "support_level": "stable"
  },
  "SVGUnitTypes": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGUnitTypes",
    "dart_action": "unstable",
    "members": {
      "SVG_UNIT_TYPE_OBJECTBOUNDINGBOX": {},
      "SVG_UNIT_TYPE_UNKNOWN": {},
      "SVG_UNIT_TYPE_USERSPACEONUSE": {}
    },
    "support_level": "stable"
  },
  "SVGUseElement": {
    "comment": "http://www.w3.org/TR/SVG/struct.html#InterfaceSVGUseElement",
    "dart_action": "unstable",
    "members": {
      "SVGUseElement": {},
      "animatedInstanceRoot": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getBBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getScreenCTM": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "hasExtension": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "height": {},
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "instanceRoot": {},
      "nearestViewportElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
      "requiredExtensions": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "requiredFeatures": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "systemLanguage": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
      },
      "width": {},
      "x": {},
      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "xmlspace": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      },
      "y": {}
    },
    "support_level": "stable"
  },
  "SVGVKernElement": {
    "comment": "http://www.w3.org/TR/SVG/fonts.html#InterfaceSVGVKernElement",
    "dart_action": "unstable",
    "members": {
      "SVGVKernElement": {}
    },
    "support_level": "stable"
  },
  "SVGViewElement": {
    "comment": "http://www.w3.org/TR/SVG/linking.html#InterfaceSVGViewElement",
    "dart_action": "unstable",
    "members": {
      "SVGViewElement": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "preserveAspectRatio": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "viewBox": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGFitToViewBox"
      },
      "viewTarget": {},
      "zoomAndPan": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGZoomAndPan"
      }
    },
    "support_level": "stable"
  },
  "SVGViewSpec": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGViewSpec",
    "dart_action": "unstable",
    "members": {
      "preserveAspectRatio": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "preserveAspectRatioString": {},
      "transform": {},
      "transformString": {},
      "viewBox": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "viewBoxString": {},
      "viewTarget": {},
      "viewTargetString": {},
      "zoomAndPan": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      }
    },
    "support_level": "stable"
  },
  "SVGZoomAndPan": {
    "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGZoomAndPan",
    "dart_action": "unstable",
    "members": {
      "SVG_ZOOMANDPAN_DISABLE": {},
      "SVG_ZOOMANDPAN_MAGNIFY": {},
      "SVG_ZOOMANDPAN_UNKNOWN": {},
      "zoomAndPan": {}
    },
    "support_level": "stable"
  },
  "SVGZoomEvent": {
    "comment": "http://www.w3.org/TR/SVG/script.html#InterfaceSVGZoomEvent",
    "dart_action": "unstable",
    "members": {
      "newScale": {},
      "newTranslate": {},
      "previousScale": {},
      "previousTranslate": {},
      "zoomRectScreen": {}
    },
    "support_level": "stable"
  },
  "Screen": {
    "comment": "http://dev.w3.org/csswg/cssom-view/#the-screen-interface",
    "members": {
      "availHeight": {},
      "availLeft": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "availTop": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "availWidth": {},
      "colorDepth": {},
      "height": {},
      "pixelDepth": {},
      "width": {}
    },
    "support_level": "stable"
  },
  "ScriptProcessorNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#ScriptProcessorNode",
    "members": {
      "_setEventListener": {
        "support_level": "nonstandard"
      },
      "bufferSize": {},
      "onaudioprocess": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "SecurityPolicy": {
    "comment": "https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#securitypolicy",
    "members": {
      "allowsConnectionTo": {},
      "allowsEval": {},
      "allowsFontFrom": {},
      "allowsFormAction": {},
      "allowsFrameFrom": {},
      "allowsImageFrom": {},
      "allowsInlineScript": {},
      "allowsInlineStyle": {},
      "allowsMediaFrom": {},
      "allowsObjectFrom": {},
      "allowsPluginType": {},
      "allowsScriptFrom": {},
      "allowsStyleFrom": {},
      "isActive": {},
      "reportURIs": {}
    },
    "support_level": "experimental"
  },
  "SecurityPolicyViolationEvent": {
    "comment": "https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#securitypolicyviolationevent-events",
    "members": {
      "blockedURI": {},
      "columnNumber": {},
      "documentURI": {},
      "effectiveDirective": {},
      "lineNumber": {},
      "originalPolicy": {},
      "referrer": {},
      "sourceFile": {},
      "statusCode": {
        "support_level": "untriaged"
      },
      "violatedDirective": {}
    },
    "support_level": "experimental"
  },
  "Selection": {
    "comment": "https://dvcs.w3.org/hg/editing/raw-file/tip/editing.html#concept-selection",
    "members": {
      "addRange": {},
      "anchorNode": {},
      "anchorOffset": {},
      "baseNode": {
        "support_level": "nonstandard"
      },
      "baseOffset": {
        "support_level": "nonstandard"
      },
      "collapse": {},
      "collapseToEnd": {},
      "collapseToStart": {},
      "containsNode": {
        "support_level": "nonstandard"
      },
      "deleteFromDocument": {},
      "empty": {
        "support_level": "nonstandard"
      },
      "extend": {},
      "extentNode": {
        "support_level": "nonstandard"
      },
      "extentOffset": {
        "support_level": "nonstandard"
      },
      "focusNode": {},
      "focusOffset": {},
      "getRangeAt": {},
      "isCollapsed": {},
      "modify": {
        "support_level": "nonstandard"
      },
      "rangeCount": {},
      "removeAllRanges": {},
      "selectAllChildren": {},
      "setBaseAndExtent": {
        "support_level": "nonstandard"
      },
      "setPosition": {
        "support_level": "nonstandard"
      },
      "toString": {},
      "type": {
        "support_level": "nonstandard"
      }
    },
    "support_level": "stable"
  },
  "ServiceWorker": {
    "members": {},
    "support_level": "untriaged"
  },
  "ServiceWorkerGlobalScope": {
    "members": {},
    "support_level": "untriaged"
  },
  "ShadowRoot": {
    "comment": "https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#api-shadow-root",
    "members": {
      "activeElement": {},
      "applyAuthorStyles": {},
      "cloneNode": {},
      "elementFromPoint": {},
      "getElementById": {},
      "getElementsByClassName": {},
      "getElementsByTagName": {},
      "getElementsByTagNameNS": {},
      "getSelection": {},
      "host": {
        "support_level": "untriaged"
      },
      "innerHTML": {},
      "olderShadowRoot": {
        "support_level": "untriaged"
      },
      "resetStyleInheritance": {},
      "styleSheets": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "SharedWorker": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#shared-workers-and-the-sharedworker-interface",
    "members": {
      "SharedWorker": {},
      "port": {}
    },
    "support_level": "experimental"
  },
  "SharedWorkerContext": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#shared-workers-and-the-sharedworkerglobalscope-interface",
    "dart_action": "experimental",
    "members": {
      "name": {},
      "onconnect": {}
    },
    "support_level": "nonstandard"
  },
  "SharedWorkerGlobalScope": {
    "members": {
      "name": {
        "support_level": "untriaged"
      },
      "onconnect": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "SourceBuffer": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#sourcebuffer",
    "members": {
      "abort": {},
      "addEventListener": {
        "support_level": "untriaged"
      },
      "append": {
        "support_level": "nonstandard"
      },
      "appendBuffer": {
        "support_level": "untriaged"
      },
      "appendBufferView": {
        "support_level": "untriaged"
      },
      "appendByteBuffer": {
        "support_level": "untriaged"
      },
      "appendStream": {
        "support_level": "untriaged"
      },
      "appendTypedData": {
        "support_level": "untriaged"
      },
      "appendWindowEnd": {
        "support_level": "untriaged"
      },
      "appendWindowStart": {
        "support_level": "untriaged"
      },
      "buffered": {},
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "remove": {
        "support_level": "untriaged"
      },
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "timestampOffset": {},
      "updating": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "SourceBufferList": {
    "comment": "https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#sourcebufferlist",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "item": {},
      "length": {},
      "removeEventListener": {}
    },
    "support_level": "experimental"
  },
  "SourceInfo": {
    "members": {
      "facing": {
        "support_level": "untriaged"
      },
      "id": {
        "support_level": "untriaged"
      },
      "kind": {
        "support_level": "untriaged"
      },
      "label": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "SpeechGrammar": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#dfn-speechgrammar",
    "members": {
      "SpeechGrammar": {},
      "src": {},
      "weight": {}
    },
    "support_level": "experimental"
  },
  "SpeechGrammarList": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#dfn-speechgrammarlist",
    "members": {
      "SpeechGrammarList": {},
      "addFromString": {},
      "addFromUri": {},
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "SpeechInputEvent": {
    "comment": "http://lists.w3.org/Archives/Public/public-xg-htmlspeech/2011Feb/att-0020/api-draft.html#speech_input_event_interface",
    "members": {
      "results": {}
    },
    "support_level": "experimental"
  },
  "SpeechInputResult": {
    "comment": "http://lists.w3.org/Archives/Public/public-xg-htmlspeech/2011Feb/att-0020/api-draft.html#speech_input_result_interface",
    "members": {
      "confidence": {},
      "utterance": {}
    },
    "support_level": "experimental"
  },
  "SpeechInputResultList": {
    "comment": "http://lists.w3.org/Archives/Public/public-xg-htmlspeech/2011Feb/att-0020/api-draft.html#speech_input_result_list_interface",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "SpeechRecognition": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#speechreco-section",
    "members": {
      "SpeechRecognition": {},
      "abort": {},
      "addEventListener": {},
      "continuous": {},
      "dispatchEvent": {},
      "grammars": {},
      "interimResults": {},
      "lang": {},
      "maxAlternatives": {},
      "onaudioend": {},
      "onaudiostart": {},
      "onend": {},
      "onerror": {},
      "onnomatch": {},
      "onresult": {},
      "onsoundend": {},
      "onsoundstart": {},
      "onspeechend": {},
      "onspeechstart": {},
      "onstart": {},
      "removeEventListener": {},
      "start": {},
      "stop": {}
    },
    "support_level": "experimental"
  },
  "SpeechRecognitionAlternative": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#speechrecognitionalternative",
    "members": {
      "confidence": {},
      "transcript": {}
    },
    "support_level": "experimental"
  },
  "SpeechRecognitionError": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#speechreco-error",
    "members": {
      "error": {},
      "message": {}
    },
    "support_level": "experimental"
  },
  "SpeechRecognitionEvent": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#speechreco-event",
    "members": {
      "emma": {},
      "interpretation": {},
      "resultIndex": {},
      "results": {}
    },
    "support_level": "experimental"
  },
  "SpeechRecognitionResult": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#speechrecognitionresult",
    "members": {
      "isFinal": {},
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "SpeechRecognitionResultList": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#speechrecognitionresultlist",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "SpeechSynthesis": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#tts-section",
    "members": {
      "addEventListener": {
        "support_level": "untriaged"
      },
      "cancel": {},
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "getVoices": {},
      "pause": {},
      "paused": {},
      "pending": {},
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "resume": {},
      "speak": {},
      "speaking": {}
    },
    "support_level": "experimental"
  },
  "SpeechSynthesisEvent": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#tts-section",
    "members": {
      "charIndex": {},
      "elapsedTime": {},
      "name": {}
    },
    "support_level": "experimental"
  },
  "SpeechSynthesisUtterance": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#tts-section",
    "members": {
      "SpeechSynthesisUtterance": {},
      "addEventListener": {
        "support_level": "untriaged"
      },
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "lang": {},
      "onboundary": {},
      "onend": {},
      "onerror": {},
      "onmark": {},
      "onpause": {},
      "onresume": {},
      "onstart": {},
      "pitch": {},
      "rate": {},
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "text": {},
      "voice": {},
      "volume": {}
    },
    "support_level": "experimental"
  },
  "SpeechSynthesisVoice": {
    "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#tts-section",
    "members": {
      "default": {},
      "defaultValue": {
        "support_level": "untriaged"
      },
      "lang": {},
      "localService": {},
      "name": {},
      "voiceURI": {}
    },
    "support_level": "experimental"
  },
  "Storage": {
    "comment": "http://www.w3.org/TR/webstorage/#the-storage-interface",
    "dart_action": "unstable",
    "members": {
      "__delete__": {},
      "__getter__": {},
      "__setter__": {},
      "clear": {},
      "getItem": {},
      "key": {},
      "length": {},
      "removeItem": {},
      "setItem": {}
    },
    "support_level": "stable"
  },
  "StorageErrorCallback": {
    "comment": "http://www.w3.org/TR/quota-api/#storageerrorcallback-callback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "StorageEvent": {
    "comment": "http://www.w3.org/TR/webstorage/#the-storage-event",
    "dart_action": "unstable",
    "members": {
      "initStorageEvent": {},
      "key": {},
      "newValue": {},
      "oldValue": {},
      "storageArea": {},
      "url": {}
    },
    "support_level": "stable"
  },
  "StorageInfo": {
    "comment": "http://www.w3.org/TR/file-system-api/",
    "members": {
      "PERSISTENT": {},
      "TEMPORARY": {},
      "queryUsageAndQuota": {},
      "requestQuota": {}
    },
    "support_level": "experimental"
  },
  "StorageQuota": {
    "comment": "http://www.w3.org/TR/quota-api/#idl-def-StorageQuota",
    "members": {
      "queryUsageAndQuota": {},
      "requestQuota": {}
    },
    "support_level": "experimental"
  },
  "StorageQuotaCallback": {
    "comment": "http://www.w3.org/TR/quota-api/#idl-def-StorageQuotaCallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "StorageUsageCallback": {
    "comment": "http://www.w3.org/TR/quota-api/#idl-def-StorageUsageCallback",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "Stream": {
    "members": {
      "type": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "StringCallback": {
    "comment": "http://www.w3.org/TR/2011/WD-html5-20110113/dnd.html#the-datatransferitem-interface",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "StyleMedia": {
    "comment": "http://developer.apple.com/library/safari/#documentation/SafariDOMAdditions/Reference/StyleMedia/StyleMedia/StyleMedia.html",
    "dart_action": "experimental",
    "members": {
      "matchMedium": {},
      "type": {}
    },
    "support_level": "nonstandard"
  },
  "StyleSheet": {
    "comment": "http://dev.w3.org/csswg/cssom/#the-stylesheet-interface",
    "members": {
      "disabled": {},
      "href": {},
      "media": {},
      "ownerNode": {},
      "parentStyleSheet": {},
      "title": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "StyleSheetList": {
    "comment": "http://dev.w3.org/csswg/cssom/#the-stylesheetlist-sequence",
    "members": {
      "__getter__": {},
      "item": {},
      "length": {}
    },
    "support_level": "stable"
  },
  "SubtleCrypto": {
    "members": {
      "decrypt": {
        "support_level": "untriaged"
      },
      "digest": {
        "support_level": "untriaged"
      },
      "encrypt": {
        "support_level": "untriaged"
      },
      "generateKey": {
        "support_level": "untriaged"
      },
      "importKey": {
        "support_level": "untriaged"
      },
      "sign": {
        "support_level": "untriaged"
      },
      "verify": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "Text": {
    "comment": "http://dom.spec.whatwg.org/#interface-text",
    "members": {
      "Text": {},
      "getDestinationInsertionPoints": {
        "support_level": "untriaged"
      },
      "replaceWholeText": {
        "comment": "http://dom.spec.whatwg.org/#dom-text-replacewholetext",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "splitText": {},
      "webkitInsertionParent": {
        "comment": "https://www.w3.org/Bugs/Public/show_bug.cgi?id=21067",
        "support_level": "experimental"
      },
      "wholeText": {}
    },
    "support_level": "stable"
  },
  "TextEvent": {
    "comment": "http://www.w3.org/TR/2006/WD-DOM-Level-3-Events-20060413/events.html#Events-TextEvent",
    "dart_action": "unstable",
    "members": {
      "data": {},
      "initTextEvent": {}
    },
    "support_level": "stable"
  },
  "TextMetrics": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#textmetrics",
    "members": {
      "width": {}
    },
    "support_level": "stable"
  },
  "TextTrack": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#texttrack",
    "members": {
      "activeCues": {},
      "addCue": {},
      "addEventListener": {},
      "addRegion": {
        "support_level": "untriaged"
      },
      "cues": {},
      "dispatchEvent": {},
      "id": {
        "support_level": "untriaged"
      },
      "kind": {},
      "label": {},
      "language": {},
      "mode": {},
      "oncuechange": {},
      "regions": {
        "support_level": "untriaged"
      },
      "removeCue": {},
      "removeEventListener": {},
      "removeRegion": {
        "support_level": "untriaged"
      }
    },
    "support_level": "experimental"
  },
  "TextTrackCue": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#texttrackcue",
    "members": {
      "TextTrackCue": {},
      "addEventListener": {},
      "align": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "dispatchEvent": {},
      "endTime": {},
      "getCueAsHTML": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "id": {},
      "line": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "onenter": {},
      "onexit": {},
      "pauseOnExit": {},
      "position": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "regionId": {
        "support_level": "untriaged"
      },
      "removeEventListener": {},
      "size": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "snapToLines": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "startTime": {},
      "text": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "track": {},
      "vertical": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      }
    },
    "support_level": "experimental"
  },
  "TextTrackCueList": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#texttrackcuelist",
    "members": {
      "getCueById": {},
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "TextTrackList": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#texttracklist",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "getTrackById": {
        "support_level": "untriaged"
      },
      "item": {},
      "length": {},
      "onaddtrack": {},
      "onchange": {
        "support_level": "untriaged"
      },
      "removeEventListener": {}
    },
    "support_level": "experimental"
  },
  "TimeRanges": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#timeranges",
    "dart_action": "unstable",
    "members": {
      "end": {},
      "length": {},
      "start": {}
    },
    "support_level": "stable"
  },
  "TimeoutHandler": {
    "comment": "http://www.whatwg.org/specs/web-apps/2007-10-26/multipage/section-timers.html#timeouthandler",
    "members": {
      "handleEvent": {}
    },
    "support_level": "stable"
  },
  "Touch": {
    "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
    "members": {
      "clientX": {},
      "clientY": {},
      "identifier": {},
      "pageX": {},
      "pageY": {},
      "screenX": {},
      "screenY": {},
      "target": {},
      "webkitForce": {
        "support_level": "experimental"
      },
      "webkitRadiusX": {
        "support_level": "experimental"
      },
      "webkitRadiusY": {
        "support_level": "experimental"
      },
      "webkitRotationAngle": {
        "support_level": "experimental"
      }
    },
    "support_level": "experimental"
  },
  "TouchEvent": {
    "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
    "members": {
      "altKey": {},
      "changedTouches": {},
      "ctrlKey": {},
      "initTouchEvent": {},
      "metaKey": {},
      "shiftKey": {},
      "targetTouches": {},
      "touches": {}
    },
    "support_level": "experimental"
  },
  "TouchList": {
    "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
    "members": {
      "item": {},
      "length": {}
    },
    "support_level": "experimental"
  },
  "TrackEvent": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#trackevent",
    "dart_action": "unstable",
    "members": {
      "track": {}
    },
    "support_level": "experimental"
  },
  "TransitionEvent": {
    "comment": "http://dev.w3.org/csswg/css-transitions/#Events-TransitionEvent",
    "members": {
      "elapsedTime": {},
      "propertyName": {},
      "pseudoElement": {}
    },
    "support_level": "stable"
  },
  "TreeWalker": {
    "comment": "http://dom.spec.whatwg.org/#treewalker",
    "dart_action": "unstable",
    "members": {
      "currentNode": {},
      "expandEntityReferences": {
        "comment": "http://dom.spec.whatwg.org/#dom-traversal",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "filter": {},
      "firstChild": {},
      "lastChild": {},
      "nextNode": {},
      "nextSibling": {},
      "parentNode": {},
      "previousNode": {},
      "previousSibling": {},
      "root": {},
      "whatToShow": {}
    },
    "support_level": "stable"
  },
  "UIEvent": {
    "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#events-UIEvent",
    "members": {
      "charCode": {
        "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#legacy-key-attributes",
        "dart_action": "unstable",
        "support_level": "deprecated"
      },
      "detail": {},
      "initUIEvent": {},
      "keyCode": {
        "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#legacy-key-attributes",
        "dart_action": "unstable",
        "support_level": "deprecated"
      },
      "layerX": {
        "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#events-mouseevents",
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "layerY": {
        "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#events-mouseevents",
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "pageX": {
        "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#events-mouseevents",
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "pageY": {
        "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#events-mouseevents",
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "view": {},
      "which": {
        "comment": "http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html#legacy-key-attributes",
        "dart_action": "unstable",
        "support_level": "deprecated"
      }
    },
    "support_level": "stable"
  },
  "URL": {
    "comment": "http://www.w3.org/TR/FileAPI/#URL-object",
    "members": {
      "_createObjectUrlFromWebKitMediaSource": {
        "support_level": "untriaged"
      },
      "_createObjectUrlFromWebKitSource": {
        "support_level": "untriaged"
      },
      "createObjectURL": {},
      "createObjectUrlFromBlob": {},
      "createObjectUrlFromSource": {},
      "createObjectUrlFromStream": {},
      "hash": {
        "support_level": "untriaged"
      },
      "host": {
        "support_level": "untriaged"
      },
      "hostname": {
        "support_level": "untriaged"
      },
      "href": {
        "support_level": "untriaged"
      },
      "origin": {
        "support_level": "untriaged"
      },
      "password": {
        "support_level": "untriaged"
      },
      "pathname": {
        "support_level": "untriaged"
      },
      "port": {
        "support_level": "untriaged"
      },
      "protocol": {
        "support_level": "untriaged"
      },
      "revokeObjectURL": {},
      "search": {
        "support_level": "untriaged"
      },
      "toString": {
        "support_level": "untriaged"
      },
      "username": {
        "support_level": "untriaged"
      }
    },
    "support_level": "stable"
  },
  "URLUtils": {
    "members": {
      "hash": {
        "support_level": "untriaged"
      },
      "host": {
        "support_level": "untriaged"
      },
      "hostname": {
        "support_level": "untriaged"
      },
      "href": {
        "support_level": "untriaged"
      },
      "origin": {
        "support_level": "untriaged"
      },
      "password": {
        "support_level": "untriaged"
      },
      "pathname": {
        "support_level": "untriaged"
      },
      "port": {
        "support_level": "untriaged"
      },
      "protocol": {
        "support_level": "untriaged"
      },
      "search": {
        "support_level": "untriaged"
      },
      "toString": {
        "support_level": "untriaged"
      },
      "username": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "URLUtilsReadOnly": {
    "members": {
      "hash": {
        "support_level": "untriaged"
      },
      "host": {
        "support_level": "untriaged"
      },
      "hostname": {
        "support_level": "untriaged"
      },
      "href": {
        "support_level": "untriaged"
      },
      "pathname": {
        "support_level": "untriaged"
      },
      "port": {
        "support_level": "untriaged"
      },
      "protocol": {
        "support_level": "untriaged"
      },
      "search": {
        "support_level": "untriaged"
      },
      "toString": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "Uint16Array": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "BYTES_PER_ELEMENT": {},
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "Uint32Array": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "BYTES_PER_ELEMENT": {},
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "Uint8Array": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "BYTES_PER_ELEMENT": {},
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "Uint8ClampedArray": {
    "comment": "http://www.khronos.org/registry/typedarray/specs/latest/",
    "members": {
      "length": {},
      "setElements": {},
      "subarray": {}
    },
    "support_level": "stable"
  },
  "VTTCue": {
    "members": {
      "VTTCue": {},
      "align": {
        "support_level": "untriaged"
      },
      "getCueAsHTML": {
        "support_level": "untriaged"
      },
      "line": {
        "support_level": "untriaged"
      },
      "position": {
        "support_level": "untriaged"
      },
      "regionId": {
        "support_level": "untriaged"
      },
      "size": {
        "support_level": "untriaged"
      },
      "snapToLines": {
        "support_level": "untriaged"
      },
      "text": {
        "support_level": "untriaged"
      },
      "vertical": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "VTTRegion": {
    "members": {
      "VTTRegion": {},
      "height": {
        "support_level": "untriaged"
      },
      "id": {
        "support_level": "untriaged"
      },
      "regionAnchorX": {
        "support_level": "untriaged"
      },
      "regionAnchorY": {
        "support_level": "untriaged"
      },
      "scroll": {
        "support_level": "untriaged"
      },
      "track": {
        "support_level": "untriaged"
      },
      "viewportAnchorX": {
        "support_level": "untriaged"
      },
      "viewportAnchorY": {
        "support_level": "untriaged"
      },
      "width": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "VTTRegionList": {
    "members": {
      "getRegionById": {
        "support_level": "untriaged"
      },
      "item": {
        "support_level": "untriaged"
      },
      "length": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "ValidityState": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/association-of-controls-and-forms.html#validitystate",
    "members": {
      "badInput": {},
      "customError": {},
      "patternMismatch": {},
      "rangeOverflow": {},
      "rangeUnderflow": {},
      "stepMismatch": {},
      "tooLong": {},
      "typeMismatch": {},
      "valid": {},
      "valueMissing": {}
    },
    "support_level": "stable"
  },
  "VideoPlaybackQuality": {
    "members": {
      "corruptedVideoFrames": {
        "support_level": "untriaged"
      },
      "creationTime": {
        "support_level": "untriaged"
      },
      "droppedVideoFrames": {
        "support_level": "untriaged"
      },
      "totalVideoFrames": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "VoidCallback": {
    "comment": "http://www.w3.org/TR/file-system-api/#the-voidcallback-interface",
    "members": {
      "handleEvent": {}
    },
    "support_level": "experimental"
  },
  "WaveShaperNode": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#dfn-WaveShaperNode",
    "members": {
      "curve": {},
      "oversample": {}
    },
    "support_level": "experimental"
  },
  "WaveTable": {
    "comment": "https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html#WaveTable-section",
    "members": {},
    "support_level": "experimental"
  },
  "WebGLActiveInfo": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.11",
    "dart_action": "unstable",
    "members": {
      "name": {},
      "size": {},
      "type": {}
    },
    "support_level": "stable"
  },
  "WebGLBuffer": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.4",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "WebGLCompressedTextureATC": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_atc/",
    "members": {
      "COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL": {},
      "COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL": {},
      "COMPRESSED_RGB_ATC_WEBGL": {}
    },
    "support_level": "experimental"
  },
  "WebGLCompressedTexturePVRTC": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_pvrtc/",
    "dart_action": "experimental",
    "members": {
      "COMPRESSED_RGBA_PVRTC_2BPPV1_IMG": {},
      "COMPRESSED_RGBA_PVRTC_4BPPV1_IMG": {},
      "COMPRESSED_RGB_PVRTC_2BPPV1_IMG": {},
      "COMPRESSED_RGB_PVRTC_4BPPV1_IMG": {}
    },
    "support_level": "experimental"
  },
  "WebGLCompressedTextureS3TC": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/WEBGL_compressed_texture_s3tc/",
    "dart_action": "experimental",
    "members": {
      "COMPRESSED_RGBA_S3TC_DXT1_EXT": {},
      "COMPRESSED_RGBA_S3TC_DXT3_EXT": {},
      "COMPRESSED_RGBA_S3TC_DXT5_EXT": {},
      "COMPRESSED_RGB_S3TC_DXT1_EXT": {}
    },
    "support_level": "experimental"
  },
  "WebGLContextAttributes": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.2",
    "dart_action": "unstable",
    "members": {
      "alpha": {},
      "antialias": {},
      "depth": {},
      "failIfMajorPerformanceCaveat": {
        "support_level": "untriaged"
      },
      "premultipliedAlpha": {},
      "preserveDrawingBuffer": {},
      "stencil": {}
    },
    "support_level": "stable"
  },
  "WebGLContextEvent": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#WEBGLCONTEXTEVENT",
    "dart_action": "unstable",
    "members": {
      "statusMessage": {}
    },
    "support_level": "stable"
  },
  "WebGLDebugRendererInfo": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/WEBGL_debug_renderer_info/",
    "dart_action": "experimental",
    "members": {
      "UNMASKED_RENDERER_WEBGL": {},
      "UNMASKED_VENDOR_WEBGL": {}
    },
    "support_level": "experimental"
  },
  "WebGLDebugShaders": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/WEBGL_debug_shaders/",
    "dart_action": "experimental",
    "members": {
      "getTranslatedShaderSource": {}
    },
    "support_level": "experimental"
  },
  "WebGLDepthTexture": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/",
    "dart_action": "experimental",
    "members": {
      "UNSIGNED_INT_24_8_WEBGL": {}
    },
    "support_level": "experimental"
  },
  "WebGLDrawBuffers": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/",
    "dart_action": "experimental",
    "members": {
      "COLOR_ATTACHMENT0_WEBGL": {},
      "COLOR_ATTACHMENT10_WEBGL": {},
      "COLOR_ATTACHMENT11_WEBGL": {},
      "COLOR_ATTACHMENT12_WEBGL": {},
      "COLOR_ATTACHMENT13_WEBGL": {},
      "COLOR_ATTACHMENT14_WEBGL": {},
      "COLOR_ATTACHMENT15_WEBGL": {},
      "COLOR_ATTACHMENT1_WEBGL": {},
      "COLOR_ATTACHMENT2_WEBGL": {},
      "COLOR_ATTACHMENT3_WEBGL": {},
      "COLOR_ATTACHMENT4_WEBGL": {},
      "COLOR_ATTACHMENT5_WEBGL": {},
      "COLOR_ATTACHMENT6_WEBGL": {},
      "COLOR_ATTACHMENT7_WEBGL": {},
      "COLOR_ATTACHMENT8_WEBGL": {},
      "COLOR_ATTACHMENT9_WEBGL": {},
      "DRAW_BUFFER0_WEBGL": {},
      "DRAW_BUFFER10_WEBGL": {},
      "DRAW_BUFFER11_WEBGL": {},
      "DRAW_BUFFER12_WEBGL": {},
      "DRAW_BUFFER13_WEBGL": {},
      "DRAW_BUFFER14_WEBGL": {},
      "DRAW_BUFFER15_WEBGL": {},
      "DRAW_BUFFER1_WEBGL": {},
      "DRAW_BUFFER2_WEBGL": {},
      "DRAW_BUFFER3_WEBGL": {},
      "DRAW_BUFFER4_WEBGL": {},
      "DRAW_BUFFER5_WEBGL": {},
      "DRAW_BUFFER6_WEBGL": {},
      "DRAW_BUFFER7_WEBGL": {},
      "DRAW_BUFFER8_WEBGL": {},
      "DRAW_BUFFER9_WEBGL": {},
      "MAX_COLOR_ATTACHMENTS_WEBGL": {},
      "MAX_DRAW_BUFFERS_WEBGL": {},
      "drawBuffersWEBGL": {}
    },
    "support_level": "stable"
  },
  "WebGLFramebuffer": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.5",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "WebGLLoseContext": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/WEBGL_lose_context/",
    "members": {
      "loseContext": {},
      "restoreContext": {}
    },
    "support_level": "experimental"
  },
  "WebGLProgram": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.6",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "WebGLRenderbuffer": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.7",
    "dart_action": "unstable",
    "members": {},
    "support_level": "stable"
  },
  "WebGLRenderingContext": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.14",
    "dart_action": "unstable",
    "members": {
      "ACTIVE_ATTRIBUTES": {},
      "ACTIVE_TEXTURE": {},
      "ACTIVE_UNIFORMS": {},
      "ALIASED_LINE_WIDTH_RANGE": {},
      "ALIASED_POINT_SIZE_RANGE": {},
      "ALPHA": {},
      "ALPHA_BITS": {},
      "ALWAYS": {},
      "ARRAY_BUFFER": {},
      "ARRAY_BUFFER_BINDING": {},
      "ATTACHED_SHADERS": {},
      "BACK": {},
      "BLEND": {},
      "BLEND_COLOR": {},
      "BLEND_DST_ALPHA": {},
      "BLEND_DST_RGB": {},
      "BLEND_EQUATION": {},
      "BLEND_EQUATION_ALPHA": {},
      "BLEND_EQUATION_RGB": {},
      "BLEND_SRC_ALPHA": {},
      "BLEND_SRC_RGB": {},
      "BLUE_BITS": {},
      "BOOL": {},
      "BOOL_VEC2": {},
      "BOOL_VEC3": {},
      "BOOL_VEC4": {},
      "BROWSER_DEFAULT_WEBGL": {},
      "BUFFER_SIZE": {},
      "BUFFER_USAGE": {},
      "BYTE": {},
      "CCW": {},
      "CLAMP_TO_EDGE": {},
      "COLOR_ATTACHMENT0": {},
      "COLOR_BUFFER_BIT": {},
      "COLOR_CLEAR_VALUE": {},
      "COLOR_WRITEMASK": {},
      "COMPILE_STATUS": {},
      "COMPRESSED_TEXTURE_FORMATS": {},
      "CONSTANT_ALPHA": {},
      "CONSTANT_COLOR": {},
      "CONTEXT_LOST_WEBGL": {},
      "CULL_FACE": {},
      "CULL_FACE_MODE": {},
      "CURRENT_PROGRAM": {},
      "CURRENT_VERTEX_ATTRIB": {},
      "CW": {},
      "DECR": {},
      "DECR_WRAP": {},
      "DELETE_STATUS": {},
      "DEPTH_ATTACHMENT": {},
      "DEPTH_BITS": {},
      "DEPTH_BUFFER_BIT": {},
      "DEPTH_CLEAR_VALUE": {},
      "DEPTH_COMPONENT": {},
      "DEPTH_COMPONENT16": {},
      "DEPTH_FUNC": {},
      "DEPTH_RANGE": {},
      "DEPTH_STENCIL": {},
      "DEPTH_STENCIL_ATTACHMENT": {},
      "DEPTH_TEST": {},
      "DEPTH_WRITEMASK": {},
      "DITHER": {},
      "DONT_CARE": {},
      "DST_ALPHA": {},
      "DST_COLOR": {},
      "DYNAMIC_DRAW": {},
      "ELEMENT_ARRAY_BUFFER": {},
      "ELEMENT_ARRAY_BUFFER_BINDING": {},
      "EQUAL": {},
      "FASTEST": {},
      "FLOAT": {},
      "FLOAT_MAT2": {},
      "FLOAT_MAT3": {},
      "FLOAT_MAT4": {},
      "FLOAT_VEC2": {},
      "FLOAT_VEC3": {},
      "FLOAT_VEC4": {},
      "FRAGMENT_SHADER": {},
      "FRAMEBUFFER": {},
      "FRAMEBUFFER_ATTACHMENT_OBJECT_NAME": {},
      "FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE": {},
      "FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE": {},
      "FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL": {},
      "FRAMEBUFFER_BINDING": {},
      "FRAMEBUFFER_COMPLETE": {},
      "FRAMEBUFFER_INCOMPLETE_ATTACHMENT": {},
      "FRAMEBUFFER_INCOMPLETE_DIMENSIONS": {},
      "FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT": {},
      "FRAMEBUFFER_UNSUPPORTED": {},
      "FRONT": {},
      "FRONT_AND_BACK": {},
      "FRONT_FACE": {},
      "FUNC_ADD": {},
      "FUNC_REVERSE_SUBTRACT": {},
      "FUNC_SUBTRACT": {},
      "GENERATE_MIPMAP_HINT": {},
      "GEQUAL": {},
      "GREATER": {},
      "GREEN_BITS": {},
      "HALF_FLOAT_OES": {
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "HIGH_FLOAT": {},
      "HIGH_INT": {},
      "INCR": {},
      "INCR_WRAP": {},
      "INT": {},
      "INT_VEC2": {},
      "INT_VEC3": {},
      "INT_VEC4": {},
      "INVALID_ENUM": {},
      "INVALID_FRAMEBUFFER_OPERATION": {},
      "INVALID_OPERATION": {},
      "INVALID_VALUE": {},
      "INVERT": {},
      "KEEP": {},
      "LEQUAL": {},
      "LESS": {},
      "LINEAR": {},
      "LINEAR_MIPMAP_LINEAR": {},
      "LINEAR_MIPMAP_NEAREST": {},
      "LINES": {},
      "LINE_LOOP": {},
      "LINE_STRIP": {},
      "LINE_WIDTH": {},
      "LINK_STATUS": {},
      "LOW_FLOAT": {},
      "LOW_INT": {},
      "LUMINANCE": {},
      "LUMINANCE_ALPHA": {},
      "MAX_COMBINED_TEXTURE_IMAGE_UNITS": {},
      "MAX_CUBE_MAP_TEXTURE_SIZE": {},
      "MAX_FRAGMENT_UNIFORM_VECTORS": {},
      "MAX_RENDERBUFFER_SIZE": {},
      "MAX_TEXTURE_IMAGE_UNITS": {},
      "MAX_TEXTURE_SIZE": {},
      "MAX_VARYING_VECTORS": {},
      "MAX_VERTEX_ATTRIBS": {},
      "MAX_VERTEX_TEXTURE_IMAGE_UNITS": {},
      "MAX_VERTEX_UNIFORM_VECTORS": {},
      "MAX_VIEWPORT_DIMS": {},
      "MEDIUM_FLOAT": {},
      "MEDIUM_INT": {},
      "MIRRORED_REPEAT": {},
      "NEAREST": {},
      "NEAREST_MIPMAP_LINEAR": {},
      "NEAREST_MIPMAP_NEAREST": {},
      "NEVER": {},
      "NICEST": {},
      "NONE": {},
      "NOTEQUAL": {},
      "NO_ERROR": {},
      "ONE": {},
      "ONE_MINUS_CONSTANT_ALPHA": {},
      "ONE_MINUS_CONSTANT_COLOR": {},
      "ONE_MINUS_DST_ALPHA": {},
      "ONE_MINUS_DST_COLOR": {},
      "ONE_MINUS_SRC_ALPHA": {},
      "ONE_MINUS_SRC_COLOR": {},
      "OUT_OF_MEMORY": {},
      "PACK_ALIGNMENT": {},
      "POINTS": {},
      "POLYGON_OFFSET_FACTOR": {},
      "POLYGON_OFFSET_FILL": {},
      "POLYGON_OFFSET_UNITS": {},
      "RED_BITS": {},
      "RENDERBUFFER": {},
      "RENDERBUFFER_ALPHA_SIZE": {},
      "RENDERBUFFER_BINDING": {},
      "RENDERBUFFER_BLUE_SIZE": {},
      "RENDERBUFFER_DEPTH_SIZE": {},
      "RENDERBUFFER_GREEN_SIZE": {},
      "RENDERBUFFER_HEIGHT": {},
      "RENDERBUFFER_INTERNAL_FORMAT": {},
      "RENDERBUFFER_RED_SIZE": {},
      "RENDERBUFFER_STENCIL_SIZE": {},
      "RENDERBUFFER_WIDTH": {},
      "RENDERER": {},
      "REPEAT": {},
      "REPLACE": {},
      "RGB": {},
      "RGB565": {},
      "RGB5_A1": {},
      "RGBA": {},
      "RGBA4": {},
      "SAMPLER_2D": {},
      "SAMPLER_CUBE": {},
      "SAMPLES": {},
      "SAMPLE_ALPHA_TO_COVERAGE": {},
      "SAMPLE_BUFFERS": {},
      "SAMPLE_COVERAGE": {},
      "SAMPLE_COVERAGE_INVERT": {},
      "SAMPLE_COVERAGE_VALUE": {},
      "SCISSOR_BOX": {},
      "SCISSOR_TEST": {},
      "SHADER_TYPE": {},
      "SHADING_LANGUAGE_VERSION": {},
      "SHORT": {},
      "SRC_ALPHA": {},
      "SRC_ALPHA_SATURATE": {},
      "SRC_COLOR": {},
      "STATIC_DRAW": {},
      "STENCIL_ATTACHMENT": {},
      "STENCIL_BACK_FAIL": {},
      "STENCIL_BACK_FUNC": {},
      "STENCIL_BACK_PASS_DEPTH_FAIL": {},
      "STENCIL_BACK_PASS_DEPTH_PASS": {},
      "STENCIL_BACK_REF": {},
      "STENCIL_BACK_VALUE_MASK": {},
      "STENCIL_BACK_WRITEMASK": {},
      "STENCIL_BITS": {},
      "STENCIL_BUFFER_BIT": {},
      "STENCIL_CLEAR_VALUE": {},
      "STENCIL_FAIL": {},
      "STENCIL_FUNC": {},
      "STENCIL_INDEX": {},
      "STENCIL_INDEX8": {},
      "STENCIL_PASS_DEPTH_FAIL": {},
      "STENCIL_PASS_DEPTH_PASS": {},
      "STENCIL_REF": {},
      "STENCIL_TEST": {},
      "STENCIL_VALUE_MASK": {},
      "STENCIL_WRITEMASK": {},
      "STREAM_DRAW": {},
      "SUBPIXEL_BITS": {},
      "TEXTURE": {},
      "TEXTURE0": {},
      "TEXTURE1": {},
      "TEXTURE10": {},
      "TEXTURE11": {},
      "TEXTURE12": {},
      "TEXTURE13": {},
      "TEXTURE14": {},
      "TEXTURE15": {},
      "TEXTURE16": {},
      "TEXTURE17": {},
      "TEXTURE18": {},
      "TEXTURE19": {},
      "TEXTURE2": {},
      "TEXTURE20": {},
      "TEXTURE21": {},
      "TEXTURE22": {},
      "TEXTURE23": {},
      "TEXTURE24": {},
      "TEXTURE25": {},
      "TEXTURE26": {},
      "TEXTURE27": {},
      "TEXTURE28": {},
      "TEXTURE29": {},
      "TEXTURE3": {},
      "TEXTURE30": {},
      "TEXTURE31": {},
      "TEXTURE4": {},
      "TEXTURE5": {},
      "TEXTURE6": {},
      "TEXTURE7": {},
      "TEXTURE8": {},
      "TEXTURE9": {},
      "TEXTURE_2D": {},
      "TEXTURE_BINDING_2D": {},
      "TEXTURE_BINDING_CUBE_MAP": {},
      "TEXTURE_CUBE_MAP": {},
      "TEXTURE_CUBE_MAP_NEGATIVE_X": {},
      "TEXTURE_CUBE_MAP_NEGATIVE_Y": {},
      "TEXTURE_CUBE_MAP_NEGATIVE_Z": {},
      "TEXTURE_CUBE_MAP_POSITIVE_X": {},
      "TEXTURE_CUBE_MAP_POSITIVE_Y": {},
      "TEXTURE_CUBE_MAP_POSITIVE_Z": {},
      "TEXTURE_MAG_FILTER": {},
      "TEXTURE_MIN_FILTER": {},
      "TEXTURE_WRAP_S": {},
      "TEXTURE_WRAP_T": {},
      "TRIANGLES": {},
      "TRIANGLE_FAN": {},
      "TRIANGLE_STRIP": {},
      "UNPACK_ALIGNMENT": {},
      "UNPACK_COLORSPACE_CONVERSION_WEBGL": {},
      "UNPACK_FLIP_Y_WEBGL": {},
      "UNPACK_PREMULTIPLY_ALPHA_WEBGL": {},
      "UNSIGNED_BYTE": {},
      "UNSIGNED_INT": {},
      "UNSIGNED_SHORT": {},
      "UNSIGNED_SHORT_4_4_4_4": {},
      "UNSIGNED_SHORT_5_5_5_1": {},
      "UNSIGNED_SHORT_5_6_5": {},
      "VALIDATE_STATUS": {},
      "VENDOR": {},
      "VERSION": {},
      "VERTEX_ATTRIB_ARRAY_BUFFER_BINDING": {},
      "VERTEX_ATTRIB_ARRAY_ENABLED": {},
      "VERTEX_ATTRIB_ARRAY_NORMALIZED": {},
      "VERTEX_ATTRIB_ARRAY_POINTER": {},
      "VERTEX_ATTRIB_ARRAY_SIZE": {},
      "VERTEX_ATTRIB_ARRAY_STRIDE": {},
      "VERTEX_ATTRIB_ARRAY_TYPE": {},
      "VERTEX_SHADER": {},
      "VIEWPORT": {},
      "ZERO": {},
      "activeTexture": {},
      "attachShader": {},
      "bindAttribLocation": {},
      "bindBuffer": {},
      "bindFramebuffer": {},
      "bindRenderbuffer": {},
      "bindTexture": {},
      "blendColor": {},
      "blendEquation": {},
      "blendEquationSeparate": {},
      "blendFunc": {},
      "blendFuncSeparate": {},
      "bufferByteData": {},
      "bufferData": {},
      "bufferDataTyped": {},
      "bufferEmptyData": {},
      "bufferSubByteData": {},
      "bufferSubData": {},
      "bufferSubDataTyped": {},
      "checkFramebufferStatus": {},
      "clear": {},
      "clearColor": {},
      "clearDepth": {},
      "clearStencil": {},
      "colorMask": {},
      "compileShader": {},
      "compressedTexImage2D": {},
      "compressedTexSubImage2D": {},
      "copyTexImage2D": {},
      "copyTexSubImage2D": {},
      "createBuffer": {},
      "createFramebuffer": {},
      "createProgram": {},
      "createRenderbuffer": {},
      "createShader": {},
      "createTexture": {},
      "cullFace": {},
      "deleteBuffer": {},
      "deleteFramebuffer": {},
      "deleteProgram": {},
      "deleteRenderbuffer": {},
      "deleteShader": {},
      "deleteTexture": {},
      "depthFunc": {},
      "depthMask": {},
      "depthRange": {},
      "detachShader": {},
      "disable": {},
      "disableVertexAttribArray": {},
      "drawArrays": {},
      "drawElements": {},
      "drawingBufferHeight": {},
      "drawingBufferWidth": {},
      "enable": {},
      "enableVertexAttribArray": {},
      "finish": {},
      "flush": {},
      "framebufferRenderbuffer": {},
      "framebufferTexture2D": {},
      "frontFace": {},
      "generateMipmap": {},
      "getActiveAttrib": {},
      "getActiveUniform": {},
      "getAttachedShaders": {},
      "getAttribLocation": {},
      "getBufferParameter": {},
      "getContextAttributes": {},
      "getError": {},
      "getExtension": {},
      "getFramebufferAttachmentParameter": {},
      "getParameter": {},
      "getProgramInfoLog": {},
      "getProgramParameter": {},
      "getRenderbufferParameter": {},
      "getShaderInfoLog": {},
      "getShaderParameter": {},
      "getShaderPrecisionFormat": {},
      "getShaderSource": {},
      "getSupportedExtensions": {},
      "getTexParameter": {},
      "getUniform": {},
      "getUniformLocation": {},
      "getVertexAttrib": {},
      "getVertexAttribOffset": {},
      "hint": {},
      "isBuffer": {},
      "isContextLost": {},
      "isEnabled": {},
      "isFramebuffer": {},
      "isProgram": {},
      "isRenderbuffer": {},
      "isShader": {},
      "isTexture": {},
      "lineWidth": {},
      "linkProgram": {},
      "pixelStorei": {},
      "polygonOffset": {},
      "readPixels": {},
      "releaseShaderCompiler": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "renderbufferStorage": {},
      "sampleCoverage": {},
      "scissor": {},
      "shaderSource": {},
      "stencilFunc": {},
      "stencilFuncSeparate": {},
      "stencilMask": {},
      "stencilMaskSeparate": {},
      "stencilOp": {},
      "stencilOpSeparate": {},
      "texImage2D": {},
      "texImage2DCanvas": {},
      "texImage2DData": {},
      "texImage2DImage": {},
      "texImage2DImageData": {},
      "texImage2DTypedData": {},
      "texImage2DVideo": {},
      "texParameterf": {},
      "texParameteri": {},
      "texSubImage2D": {},
      "texSubImage2DCanvas": {},
      "texSubImage2DData": {},
      "texSubImage2DImage": {},
      "texSubImage2DImageData": {},
      "texSubImage2DTypedData": {},
      "texSubImage2DVideo": {},
      "uniform1f": {},
      "uniform1fv": {},
      "uniform1i": {},
      "uniform1iv": {},
      "uniform2f": {},
      "uniform2fv": {},
      "uniform2i": {},
      "uniform2iv": {},
      "uniform3f": {},
      "uniform3fv": {},
      "uniform3i": {},
      "uniform3iv": {},
      "uniform4f": {},
      "uniform4fv": {},
      "uniform4i": {},
      "uniform4iv": {},
      "uniformMatrix2fv": {},
      "uniformMatrix3fv": {},
      "uniformMatrix4fv": {},
      "useProgram": {},
      "validateProgram": {},
      "vertexAttrib1f": {},
      "vertexAttrib1fv": {},
      "vertexAttrib2f": {},
      "vertexAttrib2fv": {},
      "vertexAttrib3f": {},
      "vertexAttrib3fv": {},
      "vertexAttrib4f": {},
      "vertexAttrib4fv": {},
      "vertexAttribPointer": {},
      "viewport": {}
    },
    "support_level": "stable"
  },
  "WebGLShader": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.8",
    "members": {},
    "support_level": "stable"
  },
  "WebGLShaderPrecisionFormat": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.12",
    "members": {
      "precision": {},
      "rangeMax": {},
      "rangeMin": {}
    },
    "support_level": "stable"
  },
  "WebGLTexture": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.9",
    "members": {},
    "support_level": "stable"
  },
  "WebGLUniformLocation": {
    "comment": "http://www.khronos.org/registry/webgl/specs/latest/#5.10",
    "members": {},
    "support_level": "stable"
  },
  "WebGLVertexArrayObjectOES": {
    "comment": "http://www.khronos.org/registry/webgl/extensions/OES_vertex_array_object/",
    "dart_action": "experimental",
    "members": {},
    "support_level": "experimental"
  },
  "WebKitAnimationEvent": {
    "comment": "http://www.w3.org/TR/css3-animations/#AnimationEvent-interface",
    "members": {
      "animationName": {},
      "elapsedTime": {}
    },
    "support_level": "stable"
  },
  "WebKitCSSFilterRule": {
    "comment": "http://www.w3.org/TR/filter-effects/",
    "members": {
      "style": {}
    },
    "support_level": "experimental"
  },
  "WebKitCSSFilterValue": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {
      "CSS_FILTER_BLUR": {},
      "CSS_FILTER_BRIGHTNESS": {},
      "CSS_FILTER_CONTRAST": {},
      "CSS_FILTER_CUSTOM": {},
      "CSS_FILTER_DROP_SHADOW": {},
      "CSS_FILTER_GRAYSCALE": {},
      "CSS_FILTER_HUE_ROTATE": {},
      "CSS_FILTER_INVERT": {},
      "CSS_FILTER_OPACITY": {},
      "CSS_FILTER_REFERENCE": {},
      "CSS_FILTER_SATURATE": {},
      "CSS_FILTER_SEPIA": {},
      "__getter__": {},
      "operationType": {}
    },
    "support_level": "deprecated"
  },
  "WebKitCSSKeyframeRule": {
    "comment": "http://www.w3.org/TR/css3-animations/#CSSKeyframeRule-interface",
    "members": {
      "keyText": {},
      "style": {}
    },
    "support_level": "experimental"
  },
  "WebKitCSSKeyframesRule": {
    "comment": "http://www.w3.org/TR/css3-animations/#csskeyframesrule",
    "members": {
      "__getter__": {},
      "cssRules": {},
      "deleteRule": {},
      "findRule": {},
      "insertRule": {},
      "name": {}
    },
    "support_level": "experimental"
  },
  "WebKitCSSMatrix": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {
      "WebKitCSSMatrix": {},
      "a": {},
      "b": {},
      "c": {},
      "d": {},
      "e": {},
      "f": {},
      "inverse": {},
      "m11": {},
      "m12": {},
      "m13": {},
      "m14": {},
      "m21": {},
      "m22": {},
      "m23": {},
      "m24": {},
      "m31": {},
      "m32": {},
      "m33": {},
      "m34": {},
      "m41": {},
      "m42": {},
      "m43": {},
      "m44": {},
      "multiply": {},
      "rotate": {},
      "rotateAxisAngle": {},
      "scale": {},
      "setMatrixValue": {},
      "skewX": {},
      "skewY": {},
      "toString": {},
      "translate": {}
    },
    "support_level": "deprecated"
  },
  "WebKitCSSMixFunctionValue": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {},
    "support_level": "deprecated"
  },
  "WebKitCSSRegionRule": {
    "comment": "http://dev.w3.org/csswg/css-regions/#region-style-rule-interface",
    "members": {
      "cssRules": {}
    },
    "support_level": "experimental"
  },
  "WebKitCSSTransformValue": {
    "comment": "http://dev.w3.org/csswg/cssom/",
    "dart_action": "suppress",
    "members": {
      "CSS_MATRIX": {},
      "CSS_MATRIX3D": {},
      "CSS_PERSPECTIVE": {},
      "CSS_ROTATE": {},
      "CSS_ROTATE3D": {},
      "CSS_ROTATEX": {},
      "CSS_ROTATEY": {},
      "CSS_ROTATEZ": {},
      "CSS_SCALE": {},
      "CSS_SCALE3D": {},
      "CSS_SCALEX": {},
      "CSS_SCALEY": {},
      "CSS_SCALEZ": {},
      "CSS_SKEW": {},
      "CSS_SKEWX": {},
      "CSS_SKEWY": {},
      "CSS_TRANSLATE": {},
      "CSS_TRANSLATE3D": {},
      "CSS_TRANSLATEX": {},
      "CSS_TRANSLATEY": {},
      "CSS_TRANSLATEZ": {},
      "__getter__": {},
      "operationType": {}
    },
    "support_level": "deprecated"
  },
  "WebKitMediaSource": {
    "members": {
      "WebKitMediaSource": {}
    },
    "support_level": "untriaged"
  },
  "WebKitNamedFlow": {
    "comment": "http://www.w3.org/TR/css3-regions/#dom-named-flow-collection",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "firstEmptyRegionIndex": {},
      "getContent": {},
      "getRegions": {},
      "getRegionsByContent": {},
      "name": {},
      "overset": {},
      "removeEventListener": {}
    },
    "support_level": "experimental"
  },
  "WebKitNamedFlowCollection": {
    "comment": "http://dev.w3.org/csswg/css-regions/#dom-named-flow-collection",
    "members": {
      "__getter__": {},
      "item": {},
      "length": {},
      "namedItem": {}
    },
    "support_level": "experimental"
  },
  "WebKitNotification": {
    "members": {},
    "support_level": "untriaged"
  },
  "WebKitPoint": {
    "comment": "http://developer.apple.com/library/safari/#documentation/DataManagement/Reference/DOMWindowAdditionsReference/DOMWindowAdditions/DOMWindowAdditions.html",
    "members": {
      "WebKitPoint": {},
      "_DomPoint": {},
      "x": {},
      "y": {}
    },
    "support_level": "nonstandard"
  },
  "WebKitSourceBuffer": {
    "members": {},
    "support_level": "untriaged"
  },
  "WebKitSourceBufferList": {
    "members": {
      "item": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "WebSocket": {
    "comment": "http://www.w3.org/TR/websockets/#the-websocket-interface",
    "dart_action": "unstable",
    "members": {
      "CLOSED": {},
      "CLOSING": {},
      "CONNECTING": {},
      "OPEN": {},
      "URL": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "WebSocket": {},
      "addEventListener": {},
      "binaryType": {},
      "bufferedAmount": {},
      "close": {},
      "dispatchEvent": {},
      "extensions": {},
      "onclose": {},
      "onerror": {},
      "onmessage": {},
      "onopen": {},
      "protocol": {},
      "readyState": {},
      "removeEventListener": {},
      "send": {},
      "sendBlob": {},
      "sendByteBuffer": {},
      "sendString": {},
      "sendTypedData": {},
      "url": {}
    },
    "support_level": "stable"
  },
  "WheelEvent": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-Events/#events-wheelevents",
    "members": {
      "DOM_DELTA_LINE": {},
      "DOM_DELTA_PAGE": {},
      "DOM_DELTA_PIXEL": {},
      "deltaMode": {},
      "deltaX": {
        "support_level": "untriaged"
      },
      "deltaY": {
        "support_level": "untriaged"
      },
      "deltaZ": {
        "support_level": "untriaged"
      },
      "initWebKitWheelEvent": {
        "support_level": "experimental"
      },
      "webkitDirectionInvertedFromDevice": {
        "support_level": "experimental"
      },
      "wheelDelta": {
        "support_level": "nonstandard"
      },
      "wheelDeltaX": {
        "support_level": "nonstandard"
      },
      "wheelDeltaY": {
        "support_level": "nonstandard"
      }
    },
    "support_level": "stable"
  },
  "Window": {
    "members": {
      "CSS": {
        "comment": "http://www.w3.org/TR/css3-conditional/#the-css-interface"
      },
      "PERSISTENT": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystem",
        "support_level": "experimental"
      },
      "TEMPORARY": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystem",
        "support_level": "experimental"
      },
      "__getter__": {},
      "addEventListener": {},
      "alert": {},
      "applicationCache": {},
      "atob": {},
      "blur": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "btoa": {},
      "cancelAnimationFrame": {},
      "captureEvents": {
        "comment": "http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-flow-capture",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "clearInterval": {},
      "clearTimeout": {},
      "clientInformation": {
        "support_level": "nonstandard"
      },
      "close": {},
      "closed": {},
      "confirm": {},
      "console": {},
      "createImageBitmap": {
        "support_level": "untriaged"
      },
      "crypto": {
        "comment": "http://www.w3.org/TR/WebCryptoAPI/",
        "support_level": "experimental"
      },
      "defaultStatus": {
        "support_level": "nonstandard"
      },
      "defaultstatus": {
        "support_level": "nonstandard"
      },
      "devicePixelRatio": {
        "comment": "http://www.quirksmode.org/blog/archives/2012/06/devicepixelrati.html",
        "support_level": "nonstandard"
      },
      "dispatchEvent": {},
      "document": {},
      "event": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "find": {
        "support_level": "nonstandard"
      },
      "focus": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "frameElement": {},
      "frames": {},
      "getComputedStyle": {},
      "getMatchedCSSRules": {
        "support_level": "nonstandard"
      },
      "getSelection": {},
      "history": {},
      "indexedDB": {},
      "innerHeight": {},
      "innerWidth": {},
      "length": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "localStorage": {},
      "location": {},
      "locationbar": {},
      "matchMedia": {},
      "menubar": {},
      "moveBy": {},
      "moveTo": {},
      "name": {},
      "navigator": {},
      "offscreenBuffering": {
        "support_level": "nonstandard"
      },
      "onDOMContentLoaded": {},
      "onabort": {},
      "onanimationend": {
        "support_level": "untriaged"
      },
      "onanimationiteration": {
        "support_level": "untriaged"
      },
      "onanimationstart": {
        "support_level": "untriaged"
      },
      "onbeforeunload": {},
      "onblur": {},
      "oncanplay": {},
      "oncanplaythrough": {},
      "onchange": {},
      "onclick": {},
      "oncontentloaded": {
        "support_level": "untriaged"
      },
      "oncontextmenu": {},
      "ondblclick": {},
      "ondevicemotion": {
        "comment": "http://dev.w3.org/geo/api/spec-source-orientation.html#devicemotion",
        "support_level": "experimental"
      },
      "ondeviceorientation": {
        "comment": "http://dev.w3.org/geo/api/spec-source-orientation.html#devicemotion",
        "support_level": "experimental"
      },
      "ondoubleclick": {
        "support_level": "untriaged"
      },
      "ondrag": {},
      "ondragend": {},
      "ondragenter": {},
      "ondragleave": {},
      "ondragover": {},
      "ondragstart": {},
      "ondrop": {},
      "ondurationchange": {},
      "onemptied": {},
      "onended": {},
      "onerror": {},
      "onfocus": {},
      "onhashchange": {},
      "oninput": {},
      "oninvalid": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/section-index.html#attributes-1"
      },
      "onkeydown": {},
      "onkeypress": {},
      "onkeyup": {},
      "onload": {},
      "onloadeddata": {},
      "onloadedmetadata": {},
      "onloadstart": {},
      "onmessage": {},
      "onmousedown": {},
      "onmouseenter": {
        "support_level": "untriaged"
      },
      "onmouseleave": {
        "support_level": "untriaged"
      },
      "onmousemove": {},
      "onmouseout": {},
      "onmouseover": {},
      "onmouseup": {},
      "onmousewheel": {},
      "onoffline": {},
      "ononline": {},
      "onpagehide": {},
      "onpageshow": {},
      "onpause": {},
      "onplay": {},
      "onplaying": {},
      "onpopstate": {},
      "onprogress": {},
      "onratechange": {},
      "onreset": {},
      "onresize": {},
      "onscroll": {},
      "onsearch": {
        "comment": "http://www.w3.org/TR/html-markup/input.search.html",
        "support_level": "experimental"
      },
      "onseeked": {},
      "onseeking": {},
      "onselect": {},
      "onstalled": {},
      "onstorage": {},
      "onsubmit": {},
      "onsuspend": {},
      "ontimeupdate": {},
      "ontouchcancel": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchend": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchmove": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontouchstart": {
        "comment": "http://www.w3.org/TR/touch-events/, http://www.chromestatus.com/features",
        "support_level": "experimental"
      },
      "ontransitionend": {},
      "onunload": {},
      "onvolumechange": {},
      "onwaiting": {},
      "onwebkitAnimationEnd": {
        "support_level": "experimental"
      },
      "onwebkitAnimationIteration": {
        "support_level": "experimental"
      },
      "onwebkitAnimationStart": {
        "support_level": "experimental"
      },
      "onwebkitTransitionEnd": {
        "support_level": "deprecated"
      },
      "onwebkitanimationend": {
        "support_level": "experimental"
      },
      "onwebkitanimationiteration": {
        "support_level": "experimental"
      },
      "onwebkitanimationstart": {
        "support_level": "experimental"
      },
      "onwebkittransitionend": {
        "support_level": "deprecated"
      },
      "onwheel": {
        "support_level": "untriaged"
      },
      "open": {},
      "openDatabase": {
        "comment": "http://www.w3.org/TR/webdatabase/",
        "dart_action": "experimental",
        "support_level": "deprecated"
      },
      "opener": {},
      "outerHeight": {},
      "outerWidth": {},
      "pagePopupController": {
        "dart_action": "suppress",
        "support_level": "nonstandard"
      },
      "pageXOffset": {},
      "pageYOffset": {},
      "parent": {},
      "performance": {
        "comment": "http://www.w3.org/TR/navigation-timing/#sec-window.performance-attribute"
      },
      "personalbar": {
        "comment": "https://developer.mozilla.org/en-US/docs/DOM/window.personalbar",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "postMessage": {},
      "print": {},
      "prompt": {},
      "releaseEvents": {
        "comment": "http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-flow-capture",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "removeEventListener": {},
      "requestAnimationFrame": {},
      "resizeBy": {},
      "resizeTo": {},
      "screen": {},
      "screenLeft": {},
      "screenTop": {},
      "screenX": {},
      "screenY": {},
      "scroll": {},
      "scrollBy": {},
      "scrollTo": {},
      "scrollX": {},
      "scrollY": {},
      "scrollbars": {},
      "self": {},
      "sessionStorage": {},
      "setInterval": {},
      "setTimeout": {},
      "showModalDialog": {},
      "speechSynthesis": {
        "comment": "https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#tts-section",
        "support_level": "experimental"
      },
      "status": {},
      "statusbar": {},
      "stop": {},
      "styleMedia": {
        "comment": "http://developer.apple.com/library/safari/#documentation/SafariDOMAdditions/Reference/StyleMedia/StyleMedia/StyleMedia.html",
        "dart_action": "experimental",
        "support_level": "nonstandard"
      },
      "toString": {},
      "toolbar": {},
      "top": {},
      "webkitCancelAnimationFrame": {
        "support_level": "experimental"
      },
      "webkitCancelRequestAnimationFrame": {
        "support_level": "experimental"
      },
      "webkitConvertPointFromNodeToPage": {
        "comment": "http://developer.apple.com/library/safari/#documentation/DataManagement/Reference/DOMWindowAdditionsReference/DOMWindowAdditions/DOMWindowAdditions.html",
        "support_level": "experimental"
      },
      "webkitConvertPointFromPageToNode": {
        "comment": "http://developer.apple.com/library/safari/#documentation/DataManagement/Reference/DOMWindowAdditionsReference/DOMWindowAdditions/DOMWindowAdditions.html",
        "support_level": "experimental"
      },
      "webkitIndexedDB": {
        "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBEnvironment",
        "support_level": "experimental"
      },
      "webkitNotifications": {
        "comment": "https://plus.sandbox.google.com/u/0/+GoogleChromeDevelopers/posts/8vWo8hq4pDm?e=Showroom",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitRequestAnimationFrame": {
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitRequestFileSystem": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystem",
        "support_level": "experimental"
      },
      "webkitResolveLocalFileSystemURL": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystem",
        "support_level": "experimental"
      },
      "webkitStorageInfo": {
        "comment": "http://www.w3.org/TR/file-system-api/",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "window": {}
    },
    "support_level": "stable"
  },
  "WindowBase64": {
    "members": {
      "atob": {
        "support_level": "untriaged"
      },
      "btoa": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "WindowEventHandlers": {
    "members": {
      "onbeforeunload": {
        "support_level": "untriaged"
      },
      "onhashchange": {
        "support_level": "untriaged"
      },
      "onmessage": {
        "support_level": "untriaged"
      },
      "onoffline": {
        "support_level": "untriaged"
      },
      "ononline": {
        "support_level": "untriaged"
      },
      "onpopstate": {
        "support_level": "untriaged"
      },
      "onresize": {
        "support_level": "untriaged"
      },
      "onstorage": {
        "support_level": "untriaged"
      },
      "onunload": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "WindowTimers": {
    "members": {
      "clearInterval": {
        "support_level": "untriaged"
      },
      "clearTimeout": {
        "support_level": "untriaged"
      },
      "setInterval": {
        "support_level": "untriaged"
      },
      "setTimeout": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "Worker": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#worker",
    "dart_action": "experimental",
    "members": {
      "Worker": {},
      "addEventListener": {
        "support_level": "untriaged"
      },
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "onerror": {
        "support_level": "untriaged"
      },
      "onmessage": {},
      "postMessage": {},
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "terminate": {}
    },
    "support_level": "stable"
  },
  "WorkerConsole": {
    "members": {},
    "support_level": "untriaged"
  },
  "WorkerContext": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#WorkerGlobalScope-partial",
    "dart_action": "experimental",
    "members": {
      "PERSISTENT": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystem",
        "support_level": "experimental"
      },
      "TEMPORARY": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystem",
        "support_level": "experimental"
      },
      "addEventListener": {},
      "clearInterval": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#windowtimers"
      },
      "clearTimeout": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#windowtimers"
      },
      "close": {},
      "dispatchEvent": {},
      "importScripts": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#WorkerGlobalScope-partial"
      },
      "indexedDB": {
        "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBEnvironment"
      },
      "location": {},
      "navigator": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#WorkerGlobalScope-partial"
      },
      "onerror": {},
      "openDatabase": {
        "comment": "http://www.w3.org/TR/webdatabase/",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "openDatabaseSync": {
        "comment": "http://www.w3.org/TR/webdatabase/",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "removeEventListener": {},
      "self": {},
      "setInterval": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#windowtimers"
      },
      "setTimeout": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#windowtimers"
      },
      "webkitIndexedDB": {
        "comment": "http://www.w3.org/TR/IndexedDB/#idl-def-IDBEnvironment",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitNotifications": {
        "comment": "https://plus.sandbox.google.com/u/0/+GoogleChromeDevelopers/posts/8vWo8hq4pDm?e=Showroom",
        "dart_action": "suppress",
        "support_level": "deprecated"
      },
      "webkitRequestFileSystem": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystem",
        "support_level": "experimental"
      },
      "webkitRequestFileSystemSync": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystemSync",
        "support_level": "experimental"
      },
      "webkitResolveLocalFileSystemSyncURL": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystemSync",
        "support_level": "experimental"
      },
      "webkitResolveLocalFileSystemURL": {
        "comment": "http://www.w3.org/TR/file-system-api/#idl-def-LocalFileSystem",
        "support_level": "experimental"
      }
    },
    "support_level": "stable"
  },
  "WorkerCrypto": {
    "members": {
      "getRandomValues": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "WorkerGlobalScope": {
    "members": {
      "PERSISTENT": {
        "support_level": "untriaged"
      },
      "TEMPORARY": {
        "support_level": "untriaged"
      },
      "addEventListener": {
        "support_level": "untriaged"
      },
      "atob": {
        "support_level": "untriaged"
      },
      "btoa": {
        "support_level": "untriaged"
      },
      "clearInterval": {
        "support_level": "untriaged"
      },
      "clearTimeout": {
        "support_level": "untriaged"
      },
      "close": {
        "support_level": "untriaged"
      },
      "console": {
        "support_level": "untriaged"
      },
      "crypto": {
        "support_level": "untriaged"
      },
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "importScripts": {
        "support_level": "untriaged"
      },
      "indexedDB": {
        "support_level": "untriaged"
      },
      "location": {
        "support_level": "untriaged"
      },
      "navigator": {
        "support_level": "untriaged"
      },
      "onerror": {
        "support_level": "untriaged"
      },
      "openDatabase": {
        "support_level": "untriaged"
      },
      "openDatabaseSync": {
        "support_level": "untriaged"
      },
      "performance": {
        "support_level": "untriaged"
      },
      "removeEventListener": {
        "support_level": "untriaged"
      },
      "self": {
        "support_level": "untriaged"
      },
      "setInterval": {
        "support_level": "untriaged"
      },
      "setTimeout": {
        "support_level": "untriaged"
      },
      "webkitIndexedDB": {
        "support_level": "untriaged"
      },
      "webkitNotifications": {
        "support_level": "untriaged"
      },
      "webkitRequestFileSystem": {
        "support_level": "untriaged"
      },
      "webkitRequestFileSystemSync": {
        "support_level": "untriaged"
      },
      "webkitResolveLocalFileSystemSyncURL": {
        "support_level": "untriaged"
      },
      "webkitResolveLocalFileSystemURL": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "WorkerLocation": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#workerlocation",
    "members": {
      "hash": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "host": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "hostname": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "href": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "pathname": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "port": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "protocol": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "search": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      },
      "toString": {
        "comment": "http://url.spec.whatwg.org/#urlutils"
      }
    },
    "support_level": "experimental"
  },
  "WorkerNavigator": {
    "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html#workernavigator",
    "members": {
      "appName": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid"
      },
      "appVersion": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid"
      },
      "onLine": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/offline.html#navigatoronline"
      },
      "platform": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid"
      },
      "userAgent": {
        "comment": "http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#navigatorid"
      },
      "webkitPersistentStorage": {
        "comment": "http://www.w3.org/TR/quota-api/#accessing-storagequota",
        "support_level": "experimental"
      },
      "webkitTemporaryStorage": {
        "support_level": "experimental"
      }
    },
    "support_level": "experimental"
  },
  "WorkerPerformance": {
    "members": {
      "now": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "XMLHttpRequest": {
    "comment": "http://xhr.spec.whatwg.org/#interface-xmlhttprequest",
    "members": {
      "DONE": {},
      "HEADERS_RECEIVED": {},
      "HttpRequest": {},
      "LOADING": {},
      "OPENED": {},
      "UNSENT": {},
      "XMLHttpRequest": {},
      "abort": {},
      "addEventListener": {},
      "dispatchEvent": {},
      "getAllResponseHeaders": {
        "dart_action": "unstable"
      },
      "getResponseHeader": {
        "dart_action": "unstable"
      },
      "onabort": {},
      "onerror": {},
      "onload": {},
      "onloadend": {},
      "onloadstart": {},
      "onprogress": {},
      "onreadystatechange": {},
      "open": {},
      "overrideMimeType": {},
      "readyState": {},
      "removeEventListener": {},
      "response": {},
      "responseText": {},
      "responseType": {},
      "responseXML": {},
      "send": {},
      "setRequestHeader": {},
      "status": {},
      "statusText": {},
      "timeout": {
        "support_level": "untriaged"
      },
      "upload": {
        "dart_action": "unstable"
      },
      "withCredentials": {}
    },
    "support_level": "stable"
  },
  "XMLHttpRequestEventTarget": {
    "members": {
      "addEventListener": {
        "support_level": "untriaged"
      },
      "dispatchEvent": {
        "support_level": "untriaged"
      },
      "onabort": {
        "support_level": "untriaged"
      },
      "onerror": {
        "support_level": "untriaged"
      },
      "onload": {
        "support_level": "untriaged"
      },
      "onloadend": {
        "support_level": "untriaged"
      },
      "onloadstart": {
        "support_level": "untriaged"
      },
      "onprogress": {
        "support_level": "untriaged"
      },
      "ontimeout": {
        "support_level": "untriaged"
      },
      "removeEventListener": {
        "support_level": "untriaged"
      }
    },
    "support_level": "untriaged"
  },
  "XMLHttpRequestException": {
    "comment": "http://www.w3.org/TR/2007/WD-XMLHttpRequest-20070227/#exceptions",
    "dart_action": "experimental",
    "members": {
      "ABORT_ERR": {
        "support_level": "nonstandard"
      },
      "NETWORK_ERR": {},
      "code": {},
      "message": {
        "support_level": "nonstandard"
      },
      "name": {
        "support_level": "nonstandard"
      },
      "toString": {}
    },
    "support_level": "nonstandard"
  },
  "XMLHttpRequestProgressEvent": {
    "dart_action": "experimental",
    "members": {
      "position": {},
      "totalSize": {}
    },
    "support_level": "nonstandard"
  },
  "XMLHttpRequestUpload": {
    "comment": "http://xhr.spec.whatwg.org/#xmlhttprequestupload",
    "members": {
      "addEventListener": {},
      "dispatchEvent": {},
      "onabort": {},
      "onerror": {},
      "onload": {},
      "onloadend": {},
      "onloadstart": {},
      "onprogress": {},
      "removeEventListener": {}
    },
    "support_level": "experimental"
  },
  "XMLSerializer": {
    "comment": "http://domparsing.spec.whatwg.org/#the-xmlserializer-interface",
    "dart_action": "suppress",
    "members": {
      "XMLSerializer": {},
      "serializeToString": {}
    },
    "support_level": "stable"
  },
  "XPathEvaluator": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#XPathEvaluator",
    "dart_action": "suppress",
    "members": {
      "XPathEvaluator": {},
      "createExpression": {},
      "createNSResolver": {},
      "evaluate": {}
    },
    "support_level": "experimental"
  },
  "XPathException": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#XPathException",
    "dart_action": "suppress",
    "members": {
      "INVALID_EXPRESSION_ERR": {},
      "TYPE_ERR": {},
      "code": {},
      "message": {
        "support_level": "nonstandard"
      },
      "name": {
        "support_level": "nonstandard"
      },
      "toString": {}
    },
    "support_level": "experimental"
  },
  "XPathExpression": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#XPathExpression",
    "dart_action": "suppress",
    "members": {
      "evaluate": {}
    },
    "support_level": "experimental"
  },
  "XPathNSResolver": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#XPathNSResolver",
    "dart_action": "suppress",
    "members": {
      "lookupNamespaceURI": {}
    },
    "support_level": "experimental"
  },
  "XPathResult": {
    "comment": "http://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#XPathResult",
    "dart_action": "suppress",
    "members": {
      "ANY_TYPE": {},
      "ANY_UNORDERED_NODE_TYPE": {},
      "BOOLEAN_TYPE": {},
      "FIRST_ORDERED_NODE_TYPE": {},
      "NUMBER_TYPE": {},
      "ORDERED_NODE_ITERATOR_TYPE": {},
      "ORDERED_NODE_SNAPSHOT_TYPE": {},
      "STRING_TYPE": {},
      "UNORDERED_NODE_ITERATOR_TYPE": {},
      "UNORDERED_NODE_SNAPSHOT_TYPE": {},
      "booleanValue": {},
      "invalidIteratorState": {},
      "iterateNext": {},
      "numberValue": {},
      "resultType": {},
      "singleNodeValue": {},
      "snapshotItem": {},
      "snapshotLength": {},
      "stringValue": {}
    },
    "support_level": "experimental"
  },
  "XSLTProcessor": {
    "dart_action": "suppress",
    "members": {
      "XSLTProcessor": {},
      "clearParameters": {},
      "getParameter": {},
      "importStylesheet": {},
      "removeParameter": {},
      "reset": {},
      "setParameter": {},
      "transformToDocument": {},
      "transformToFragment": {}
    },
    "support_level": "nonstandard"
  }
}