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      "SVG_LENGTHTYPE_MM": {},
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      "SVG_LENGTHTYPE_PERCENTAGE": {},
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      "convertToSpecifiedUnits": {},
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      "SVG_MARKERUNITS_USERSPACEONUSE": {},
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      "SVG_MARKER_ORIENT_AUTO": {},
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      "flipX": {},
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      "createSVGPathSegCurvetoCubicSmoothRel": {},
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      "createSVGPathSegCurvetoQuadraticSmoothAbs": {},
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      "patternContentUnits": {},
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      "farthestViewportElement": {
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        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
      },
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        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTests"
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      },
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      },
      "requiredFeatures": {
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      },
      "systemLanguage": {
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      },
      "transform": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGTransformable"
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      "xmllang": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
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        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
      }
    },
    "support_level": "stable"
  },
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    "comment": "http://www.w3.org/TR/SVG/shapes.html#InterfaceSVGPolylineElement",
    "dart_action": "unstable",
    "members": {
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      "animatedPoints": {},
      "externalResourcesRequired": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "farthestViewportElement": {
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      "getCTM": {
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      "getScreenCTM": {
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      },
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      },
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      },
      "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"
  },
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    "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": {}
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    "support_level": "stable"
  },
  "SVGRadialGradientElement": {
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    "members": {
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      "cx": {},
      "cy": {},
      "fr": {},
      "fx": {},
      "fy": {},
      "r": {}
    },
    "support_level": "stable"
  },
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    "dart_action": "unstable",
    "members": {
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      "width": {},
      "x": {},
      "y": {}
    },
    "support_level": "stable"
  },
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        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
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      "getScreenCTM": {
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      "getTransformToElement": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLocatable"
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      },
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      },
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      "ry": {},
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      },
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      },
      "width": {},
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      },
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      },
      "y": {}
    },
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  },
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    "dart_action": "unstable",
    "members": {
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      "RENDERING_INTENT_AUTO": {},
      "RENDERING_INTENT_PERCEPTUAL": {},
      "RENDERING_INTENT_RELATIVE_COLORIMETRIC": {},
      "RENDERING_INTENT_SATURATION": {},
      "RENDERING_INTENT_UNKNOWN": {}
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    "support_level": "stable"
  },
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    "dart_action": "unstable",
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      "checkEnclosure": {},
      "checkIntersection": {},
      "contentScriptType": {},
      "contentStyleType": {},
      "createSVGAngle": {},
      "createSVGLength": {},
      "createSVGMatrix": {},
      "createSVGNumber": {},
      "createSVGPoint": {},
      "createSVGRect": {},
      "createSVGTransform": {},
      "createSVGTransformFromMatrix": {},
      "currentScale": {},
      "currentTranslate": {},
      "currentView": {},
      "deselectAll": {},
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      "getCurrentTime": {},
      "getElementById": {},
      "getEnclosureList": {},
      "getIntersectionList": {},
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      },
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      },
      "pauseAnimations": {},
      "pixelUnitToMillimeterX": {},
      "pixelUnitToMillimeterY": {},
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      },
      "screenPixelToMillimeterX": {},
      "screenPixelToMillimeterY": {},
      "setCurrentTime": {},
      "suspendRedraw": {},
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      },
      "unpauseAnimations": {},
      "unsuspendRedraw": {},
      "unsuspendRedrawAll": {},
      "useCurrentView": {},
      "viewBox": {
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      "width": {},
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    },
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    "members": {
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        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGExternalResourcesRequired"
      },
      "href": {
        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
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    },
    "support_level": "stable"
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    },
    "support_level": "stable"
  },
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    "dart_action": "unstable",
    "members": {
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      "offset": {}
    },
    "support_level": "stable"
  },
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    "dart_action": "unstable",
    "members": {
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      "getItem": {},
      "initialize": {},
      "insertItemBefore": {},
      "numberOfItems": {},
      "removeItem": {},
      "replaceItem": {}
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  },
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      "media": {},
      "title": {},
      "type": {},
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    },
    "support_level": "nonstandard"
  },
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    "dart_action": "unstable",
    "members": {
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      "getPresentationAttribute": {},
      "style": {}
    },
    "support_level": "experimental"
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    "dart_action": "unstable",
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      "systemLanguage": {}
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    "dart_action": "unstable",
    "members": {
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      "LENGTHADJUST_SPACINGANDGLYPHS": {},
      "LENGTHADJUST_UNKNOWN": {},
      "externalResourcesRequired": {
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      },
      "getCharNumAtPosition": {},
      "getComputedTextLength": {},
      "getEndPositionOfChar": {},
      "getExtentOfChar": {},
      "getNumberOfChars": {},
      "getRotationOfChar": {},
      "getStartPositionOfChar": {},
      "getSubStringLength": {},
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      "selectSubString": {},
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    "dart_action": "unstable",
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      "TEXTPATH_METHODTYPE_STRETCH": {},
      "TEXTPATH_METHODTYPE_UNKNOWN": {},
      "TEXTPATH_SPACINGTYPE_AUTO": {},
      "TEXTPATH_SPACINGTYPE_EXACT": {},
      "TEXTPATH_SPACINGTYPE_UNKNOWN": {},
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        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGURIReference"
      },
      "method": {},
      "spacing": {},
      "startOffset": {}
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    "dart_action": "unstable",
    "members": {
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      "rotate": {},
      "x": {},
      "y": {}
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    "dart_action": "unstable",
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        "comment": "http://www.w3.org/TR/SVG/types.html#InterfaceSVGLangSpace"
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    },
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    "dart_action": "unstable",
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      "SVG_TRANSFORM_ROTATE": {},
      "SVG_TRANSFORM_SCALE": {},
      "SVG_TRANSFORM_SKEWX": {},
      "SVG_TRANSFORM_SKEWY": {},
      "SVG_TRANSFORM_TRANSLATE": {},
      "SVG_TRANSFORM_UNKNOWN": {},
      "angle": {},
      "matrix": {},
      "setMatrix": {},
      "setRotate": {},
      "setScale": {},
      "setSkewX": {},
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    "dart_action": "unstable",
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      "insertItemBefore": {},
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      "getCTM": {
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