diff --git a/Tests/LibWeb/Text/expected/wpt-import/svg/idlharness.window.txt b/Tests/LibWeb/Text/expected/wpt-import/svg/idlharness.window.txt
new file mode 100644
index 00000000000..b774fa06c95
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/svg/idlharness.window.txt
@@ -0,0 +1,1787 @@
+Harness status: OK
+
+Found 1781 tests
+
+873 Pass
+908 Fail
+Pass	idl_test setup
+Pass	idl_test validation
+Pass	Partial interface Document: original interface defined
+Pass	Partial interface Document: member names are unique
+Pass	Partial interface SVGAElement: original interface defined
+Pass	Partial interface SVGAElement: member names are unique
+Pass	Partial interface SVGSVGElement: original interface defined
+Pass	Partial interface SVGSVGElement: member names are unique
+Pass	Partial interface Document[2]: member names are unique
+Pass	Partial interface Document[3]: member names are unique
+Pass	Partial interface Element: member names are unique
+Pass	Partial interface ShadowRoot: member names are unique
+Pass	Partial interface Document[4]: member names are unique
+Pass	SVGElement includes GlobalEventHandlers: member names are unique
+Pass	SVGElement includes SVGElementInstance: member names are unique
+Pass	SVGElement includes HTMLOrSVGElement: member names are unique
+Pass	SVGGraphicsElement includes SVGTests: member names are unique
+Pass	SVGSVGElement includes SVGFitToViewBox: member names are unique
+Pass	SVGSVGElement includes WindowEventHandlers: member names are unique
+Pass	SVGSymbolElement includes SVGFitToViewBox: member names are unique
+Pass	SVGUseElement includes SVGURIReference: member names are unique
+Pass	SVGStyleElement includes LinkStyle: member names are unique
+Pass	SVGPolylineElement includes SVGAnimatedPoints: member names are unique
+Pass	SVGPolygonElement includes SVGAnimatedPoints: member names are unique
+Pass	SVGTextPathElement includes SVGURIReference: member names are unique
+Pass	SVGImageElement includes SVGURIReference: member names are unique
+Pass	SVGMarkerElement includes SVGFitToViewBox: member names are unique
+Pass	SVGGradientElement includes SVGURIReference: member names are unique
+Pass	SVGPatternElement includes SVGFitToViewBox: member names are unique
+Pass	SVGPatternElement includes SVGURIReference: member names are unique
+Pass	SVGScriptElement includes SVGURIReference: member names are unique
+Pass	SVGAElement includes SVGURIReference: member names are unique
+Pass	SVGViewElement includes SVGFitToViewBox: member names are unique
+Pass	SVGAnimationElement includes SVGTests: member names are unique
+Pass	SVGMPathElement includes SVGURIReference: member names are unique
+Pass	SVGElement includes ElementCSSInlineStyle: member names are unique
+Pass	Element includes Animatable: member names are unique
+Pass	Document includes GlobalEventHandlers: member names are unique
+Pass	Document includes NonElementParentNode: member names are unique
+Pass	DocumentFragment includes NonElementParentNode: member names are unique
+Pass	Document includes ParentNode: member names are unique
+Pass	DocumentFragment includes ParentNode: member names are unique
+Pass	Element includes ParentNode: member names are unique
+Pass	Element includes NonDocumentTypeChildNode: member names are unique
+Pass	Element includes ChildNode: member names are unique
+Pass	Element includes Slottable: member names are unique
+Pass	Document includes XPathEvaluatorBase: member names are unique
+Pass	SVGElement interface: existence and properties of interface object
+Pass	SVGElement interface object length
+Pass	SVGElement interface object name
+Pass	SVGElement interface: existence and properties of interface prototype object
+Pass	SVGElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGElement interface: attribute className
+Pass	SVGElement interface: attribute ownerSVGElement
+Fail	SVGElement interface: attribute viewportElement
+Fail	SVGElement interface: attribute correspondingElement
+Fail	SVGElement interface: attribute correspondingUseElement
+Pass	SVGGraphicsElement interface: existence and properties of interface object
+Pass	SVGGraphicsElement interface object length
+Pass	SVGGraphicsElement interface object name
+Pass	SVGGraphicsElement interface: existence and properties of interface prototype object
+Pass	SVGGraphicsElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGGraphicsElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGGraphicsElement interface: attribute transform
+Pass	SVGGraphicsElement interface: operation getBBox(optional SVGBoundingBoxOptions)
+Fail	SVGGraphicsElement interface: operation getCTM()
+Pass	SVGGraphicsElement interface: operation getScreenCTM()
+Fail	SVGGraphicsElement interface: attribute requiredExtensions
+Fail	SVGGraphicsElement interface: attribute systemLanguage
+Pass	SVGGeometryElement interface: existence and properties of interface object
+Pass	SVGGeometryElement interface object length
+Pass	SVGGeometryElement interface object name
+Pass	SVGGeometryElement interface: existence and properties of interface prototype object
+Pass	SVGGeometryElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGGeometryElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGGeometryElement interface: attribute pathLength
+Fail	SVGGeometryElement interface: operation isPointInFill(optional DOMPointInit)
+Fail	SVGGeometryElement interface: operation isPointInStroke(optional DOMPointInit)
+Pass	SVGGeometryElement interface: operation getTotalLength()
+Pass	SVGGeometryElement interface: operation getPointAtLength(float)
+Fail	SVGNumber interface: existence and properties of interface object
+Fail	SVGNumber interface object length
+Fail	SVGNumber interface object name
+Fail	SVGNumber interface: existence and properties of interface prototype object
+Fail	SVGNumber interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGNumber interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGNumber interface: attribute value
+Fail	SVGNumber must be primary interface of objects.svg.createSVGNumber()
+Fail	Stringification of objects.svg.createSVGNumber()
+Fail	SVGNumber interface: objects.svg.createSVGNumber() must inherit property "value" with the proper type
+Pass	SVGLength interface: existence and properties of interface object
+Pass	SVGLength interface object length
+Pass	SVGLength interface object name
+Pass	SVGLength interface: existence and properties of interface prototype object
+Pass	SVGLength interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGLength interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_UNKNOWN on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_UNKNOWN on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_NUMBER on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_NUMBER on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_PERCENTAGE on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_PERCENTAGE on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_EMS on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_EMS on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_EXS on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_EXS on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_PX on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_PX on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_CM on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_CM on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_MM on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_MM on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_IN on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_IN on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_PT on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_PT on interface prototype object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_PC on interface object
+Pass	SVGLength interface: constant SVG_LENGTHTYPE_PC on interface prototype object
+Pass	SVGLength interface: attribute unitType
+Pass	SVGLength interface: attribute value
+Fail	SVGLength interface: attribute valueInSpecifiedUnits
+Fail	SVGLength interface: attribute valueAsString
+Fail	SVGLength interface: operation newValueSpecifiedUnits(unsigned short, float)
+Fail	SVGLength interface: operation convertToSpecifiedUnits(unsigned short)
+Pass	SVGLength must be primary interface of objects.svg.createSVGLength()
+Pass	Stringification of objects.svg.createSVGLength()
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_UNKNOWN" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_NUMBER" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_PERCENTAGE" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_EMS" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_EXS" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_PX" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_CM" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_MM" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_IN" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_PT" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "SVG_LENGTHTYPE_PC" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "unitType" with the proper type
+Pass	SVGLength interface: objects.svg.createSVGLength() must inherit property "value" with the proper type
+Fail	SVGLength interface: objects.svg.createSVGLength() must inherit property "valueInSpecifiedUnits" with the proper type
+Fail	SVGLength interface: objects.svg.createSVGLength() must inherit property "valueAsString" with the proper type
+Fail	SVGLength interface: objects.svg.createSVGLength() must inherit property "newValueSpecifiedUnits(unsigned short, float)" with the proper type
+Pass	SVGLength interface: calling newValueSpecifiedUnits(unsigned short, float) on objects.svg.createSVGLength() with too few arguments must throw TypeError
+Fail	SVGLength interface: objects.svg.createSVGLength() must inherit property "convertToSpecifiedUnits(unsigned short)" with the proper type
+Pass	SVGLength interface: calling convertToSpecifiedUnits(unsigned short) on objects.svg.createSVGLength() with too few arguments must throw TypeError
+Fail	SVGAngle interface: existence and properties of interface object
+Fail	SVGAngle interface object length
+Fail	SVGAngle interface object name
+Fail	SVGAngle interface: existence and properties of interface prototype object
+Fail	SVGAngle interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAngle interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_UNKNOWN on interface object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_UNKNOWN on interface prototype object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_UNSPECIFIED on interface object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_UNSPECIFIED on interface prototype object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_DEG on interface object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_DEG on interface prototype object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_RAD on interface object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_RAD on interface prototype object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_GRAD on interface object
+Fail	SVGAngle interface: constant SVG_ANGLETYPE_GRAD on interface prototype object
+Fail	SVGAngle interface: attribute unitType
+Fail	SVGAngle interface: attribute value
+Fail	SVGAngle interface: attribute valueInSpecifiedUnits
+Fail	SVGAngle interface: attribute valueAsString
+Fail	SVGAngle interface: operation newValueSpecifiedUnits(unsigned short, float)
+Fail	SVGAngle interface: operation convertToSpecifiedUnits(unsigned short)
+Fail	SVGAngle must be primary interface of objects.svg.createSVGAngle()
+Fail	Stringification of objects.svg.createSVGAngle()
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "SVG_ANGLETYPE_UNKNOWN" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "SVG_ANGLETYPE_UNSPECIFIED" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "SVG_ANGLETYPE_DEG" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "SVG_ANGLETYPE_RAD" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "SVG_ANGLETYPE_GRAD" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "unitType" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "value" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "valueInSpecifiedUnits" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "valueAsString" with the proper type
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "newValueSpecifiedUnits(unsigned short, float)" with the proper type
+Fail	SVGAngle interface: calling newValueSpecifiedUnits(unsigned short, float) on objects.svg.createSVGAngle() with too few arguments must throw TypeError
+Fail	SVGAngle interface: objects.svg.createSVGAngle() must inherit property "convertToSpecifiedUnits(unsigned short)" with the proper type
+Fail	SVGAngle interface: calling convertToSpecifiedUnits(unsigned short) on objects.svg.createSVGAngle() with too few arguments must throw TypeError
+Fail	SVGNumberList interface: existence and properties of interface object
+Fail	SVGNumberList interface object length
+Fail	SVGNumberList interface object name
+Fail	SVGNumberList interface: existence and properties of interface prototype object
+Fail	SVGNumberList interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGNumberList interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGNumberList interface: attribute length
+Fail	SVGNumberList interface: attribute numberOfItems
+Fail	SVGNumberList interface: operation clear()
+Fail	SVGNumberList interface: operation initialize(SVGNumber)
+Fail	SVGNumberList interface: operation getItem(unsigned long)
+Fail	SVGNumberList interface: operation insertItemBefore(SVGNumber, unsigned long)
+Fail	SVGNumberList interface: operation replaceItem(SVGNumber, unsigned long)
+Fail	SVGNumberList interface: operation removeItem(unsigned long)
+Fail	SVGNumberList interface: operation appendItem(SVGNumber)
+Fail	SVGNumberList must be primary interface of objects.text.rotate.baseVal
+Fail	Stringification of objects.text.rotate.baseVal
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "length" with the proper type
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "numberOfItems" with the proper type
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "clear()" with the proper type
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "initialize(SVGNumber)" with the proper type
+Fail	SVGNumberList interface: calling initialize(SVGNumber) on objects.text.rotate.baseVal with too few arguments must throw TypeError
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "getItem(unsigned long)" with the proper type
+Fail	SVGNumberList interface: calling getItem(unsigned long) on objects.text.rotate.baseVal with too few arguments must throw TypeError
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "insertItemBefore(SVGNumber, unsigned long)" with the proper type
+Fail	SVGNumberList interface: calling insertItemBefore(SVGNumber, unsigned long) on objects.text.rotate.baseVal with too few arguments must throw TypeError
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "replaceItem(SVGNumber, unsigned long)" with the proper type
+Fail	SVGNumberList interface: calling replaceItem(SVGNumber, unsigned long) on objects.text.rotate.baseVal with too few arguments must throw TypeError
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "removeItem(unsigned long)" with the proper type
+Fail	SVGNumberList interface: calling removeItem(unsigned long) on objects.text.rotate.baseVal with too few arguments must throw TypeError
+Fail	SVGNumberList interface: objects.text.rotate.baseVal must inherit property "appendItem(SVGNumber)" with the proper type
+Fail	SVGNumberList interface: calling appendItem(SVGNumber) on objects.text.rotate.baseVal with too few arguments must throw TypeError
+Fail	SVGLengthList interface: existence and properties of interface object
+Fail	SVGLengthList interface object length
+Fail	SVGLengthList interface object name
+Fail	SVGLengthList interface: existence and properties of interface prototype object
+Fail	SVGLengthList interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGLengthList interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGLengthList interface: attribute length
+Fail	SVGLengthList interface: attribute numberOfItems
+Fail	SVGLengthList interface: operation clear()
+Fail	SVGLengthList interface: operation initialize(SVGLength)
+Fail	SVGLengthList interface: operation getItem(unsigned long)
+Fail	SVGLengthList interface: operation insertItemBefore(SVGLength, unsigned long)
+Fail	SVGLengthList interface: operation replaceItem(SVGLength, unsigned long)
+Fail	SVGLengthList interface: operation removeItem(unsigned long)
+Fail	SVGLengthList interface: operation appendItem(SVGLength)
+Fail	SVGStringList interface: existence and properties of interface object
+Fail	SVGStringList interface object length
+Fail	SVGStringList interface object name
+Fail	SVGStringList interface: existence and properties of interface prototype object
+Fail	SVGStringList interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGStringList interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGStringList interface: attribute length
+Fail	SVGStringList interface: attribute numberOfItems
+Fail	SVGStringList interface: operation clear()
+Fail	SVGStringList interface: operation initialize(DOMString)
+Fail	SVGStringList interface: operation getItem(unsigned long)
+Fail	SVGStringList interface: operation insertItemBefore(DOMString, unsigned long)
+Fail	SVGStringList interface: operation replaceItem(DOMString, unsigned long)
+Fail	SVGStringList interface: operation removeItem(unsigned long)
+Fail	SVGStringList interface: operation appendItem(DOMString)
+Fail	SVGStringList must be primary interface of objects.a.requiredExtensions
+Fail	Stringification of objects.a.requiredExtensions
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "length" with the proper type
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "numberOfItems" with the proper type
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "clear()" with the proper type
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "initialize(DOMString)" with the proper type
+Fail	SVGStringList interface: calling initialize(DOMString) on objects.a.requiredExtensions with too few arguments must throw TypeError
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "getItem(unsigned long)" with the proper type
+Fail	SVGStringList interface: calling getItem(unsigned long) on objects.a.requiredExtensions with too few arguments must throw TypeError
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "insertItemBefore(DOMString, unsigned long)" with the proper type
+Fail	SVGStringList interface: calling insertItemBefore(DOMString, unsigned long) on objects.a.requiredExtensions with too few arguments must throw TypeError
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "replaceItem(DOMString, unsigned long)" with the proper type
+Fail	SVGStringList interface: calling replaceItem(DOMString, unsigned long) on objects.a.requiredExtensions with too few arguments must throw TypeError
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "removeItem(unsigned long)" with the proper type
+Fail	SVGStringList interface: calling removeItem(unsigned long) on objects.a.requiredExtensions with too few arguments must throw TypeError
+Fail	SVGStringList interface: objects.a.requiredExtensions must inherit property "appendItem(DOMString)" with the proper type
+Fail	SVGStringList interface: calling appendItem(DOMString) on objects.a.requiredExtensions with too few arguments must throw TypeError
+Fail	SVGAnimatedBoolean interface: existence and properties of interface object
+Fail	SVGAnimatedBoolean interface object length
+Fail	SVGAnimatedBoolean interface object name
+Fail	SVGAnimatedBoolean interface: existence and properties of interface prototype object
+Fail	SVGAnimatedBoolean interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimatedBoolean interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimatedBoolean interface: attribute baseVal
+Fail	SVGAnimatedBoolean interface: attribute animVal
+Fail	SVGAnimatedBoolean must be primary interface of objects.feConvolveMatrix.preserveAlpha
+Fail	Stringification of objects.feConvolveMatrix.preserveAlpha
+Fail	SVGAnimatedBoolean interface: objects.feConvolveMatrix.preserveAlpha must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedBoolean interface: objects.feConvolveMatrix.preserveAlpha must inherit property "animVal" with the proper type
+Pass	SVGAnimatedEnumeration interface: existence and properties of interface object
+Pass	SVGAnimatedEnumeration interface object length
+Pass	SVGAnimatedEnumeration interface object name
+Pass	SVGAnimatedEnumeration interface: existence and properties of interface prototype object
+Pass	SVGAnimatedEnumeration interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGAnimatedEnumeration interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGAnimatedEnumeration interface: attribute baseVal
+Pass	SVGAnimatedEnumeration interface: attribute animVal
+Fail	SVGAnimatedEnumeration must be primary interface of objects.text.lengthAdjust
+Fail	Stringification of objects.text.lengthAdjust
+Fail	SVGAnimatedEnumeration interface: objects.text.lengthAdjust must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedEnumeration interface: objects.text.lengthAdjust must inherit property "animVal" with the proper type
+Fail	SVGAnimatedInteger interface: existence and properties of interface object
+Fail	SVGAnimatedInteger interface object length
+Fail	SVGAnimatedInteger interface object name
+Fail	SVGAnimatedInteger interface: existence and properties of interface prototype object
+Fail	SVGAnimatedInteger interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimatedInteger interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimatedInteger interface: attribute baseVal
+Fail	SVGAnimatedInteger interface: attribute animVal
+Fail	SVGAnimatedInteger must be primary interface of objects.feConvolveMatrix.orderX
+Fail	Stringification of objects.feConvolveMatrix.orderX
+Fail	SVGAnimatedInteger interface: objects.feConvolveMatrix.orderX must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedInteger interface: objects.feConvolveMatrix.orderX must inherit property "animVal" with the proper type
+Pass	SVGAnimatedNumber interface: existence and properties of interface object
+Pass	SVGAnimatedNumber interface object length
+Pass	SVGAnimatedNumber interface object name
+Pass	SVGAnimatedNumber interface: existence and properties of interface prototype object
+Pass	SVGAnimatedNumber interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGAnimatedNumber interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGAnimatedNumber interface: attribute baseVal
+Pass	SVGAnimatedNumber interface: attribute animVal
+Pass	SVGAnimatedNumber must be primary interface of objects.stop.offset
+Pass	Stringification of objects.stop.offset
+Pass	SVGAnimatedNumber interface: objects.stop.offset must inherit property "baseVal" with the proper type
+Pass	SVGAnimatedNumber interface: objects.stop.offset must inherit property "animVal" with the proper type
+Pass	SVGAnimatedLength interface: existence and properties of interface object
+Pass	SVGAnimatedLength interface object length
+Pass	SVGAnimatedLength interface object name
+Pass	SVGAnimatedLength interface: existence and properties of interface prototype object
+Pass	SVGAnimatedLength interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGAnimatedLength interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGAnimatedLength interface: attribute baseVal
+Pass	SVGAnimatedLength interface: attribute animVal
+Pass	SVGAnimatedLength must be primary interface of objects.svg.x
+Pass	Stringification of objects.svg.x
+Pass	SVGAnimatedLength interface: objects.svg.x must inherit property "baseVal" with the proper type
+Pass	SVGAnimatedLength interface: objects.svg.x must inherit property "animVal" with the proper type
+Fail	SVGAnimatedAngle interface: existence and properties of interface object
+Fail	SVGAnimatedAngle interface object length
+Fail	SVGAnimatedAngle interface object name
+Fail	SVGAnimatedAngle interface: existence and properties of interface prototype object
+Fail	SVGAnimatedAngle interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimatedAngle interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimatedAngle interface: attribute baseVal
+Fail	SVGAnimatedAngle interface: attribute animVal
+Fail	SVGAnimatedAngle must be primary interface of objects.marker.orientAngle
+Fail	Stringification of objects.marker.orientAngle
+Fail	SVGAnimatedAngle interface: objects.marker.orientAngle must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedAngle interface: objects.marker.orientAngle must inherit property "animVal" with the proper type
+Pass	SVGAnimatedString interface: existence and properties of interface object
+Pass	SVGAnimatedString interface object length
+Pass	SVGAnimatedString interface object name
+Pass	SVGAnimatedString interface: existence and properties of interface prototype object
+Pass	SVGAnimatedString interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGAnimatedString interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGAnimatedString interface: attribute baseVal
+Pass	SVGAnimatedString interface: attribute animVal
+Fail	SVGAnimatedString must be primary interface of objects.a.target
+Fail	Stringification of objects.a.target
+Fail	SVGAnimatedString interface: objects.a.target must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedString interface: objects.a.target must inherit property "animVal" with the proper type
+Pass	SVGAnimatedRect interface: existence and properties of interface object
+Pass	SVGAnimatedRect interface object length
+Pass	SVGAnimatedRect interface object name
+Pass	SVGAnimatedRect interface: existence and properties of interface prototype object
+Pass	SVGAnimatedRect interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGAnimatedRect interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGAnimatedRect interface: attribute baseVal
+Pass	SVGAnimatedRect interface: attribute animVal
+Pass	SVGAnimatedRect must be primary interface of objects.svg.viewBox
+Pass	Stringification of objects.svg.viewBox
+Fail	SVGAnimatedRect interface: objects.svg.viewBox must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedRect interface: objects.svg.viewBox must inherit property "animVal" with the proper type
+Fail	SVGAnimatedNumberList interface: existence and properties of interface object
+Fail	SVGAnimatedNumberList interface object length
+Fail	SVGAnimatedNumberList interface object name
+Fail	SVGAnimatedNumberList interface: existence and properties of interface prototype object
+Fail	SVGAnimatedNumberList interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimatedNumberList interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimatedNumberList interface: attribute baseVal
+Fail	SVGAnimatedNumberList interface: attribute animVal
+Fail	SVGAnimatedNumberList must be primary interface of objects.text.rotate
+Fail	Stringification of objects.text.rotate
+Fail	SVGAnimatedNumberList interface: objects.text.rotate must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedNumberList interface: objects.text.rotate must inherit property "animVal" with the proper type
+Fail	SVGAnimatedLengthList interface: existence and properties of interface object
+Fail	SVGAnimatedLengthList interface object length
+Fail	SVGAnimatedLengthList interface object name
+Fail	SVGAnimatedLengthList interface: existence and properties of interface prototype object
+Fail	SVGAnimatedLengthList interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimatedLengthList interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimatedLengthList interface: attribute baseVal
+Fail	SVGAnimatedLengthList interface: attribute animVal
+Fail	SVGAnimatedLengthList must be primary interface of objects.text.x
+Fail	Stringification of objects.text.x
+Fail	SVGAnimatedLengthList interface: objects.text.x must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedLengthList interface: objects.text.x must inherit property "animVal" with the proper type
+Fail	SVGUnitTypes interface: existence and properties of interface object
+Fail	SVGUnitTypes interface object length
+Fail	SVGUnitTypes interface object name
+Fail	SVGUnitTypes interface: existence and properties of interface prototype object
+Fail	SVGUnitTypes interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGUnitTypes interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGUnitTypes interface: constant SVG_UNIT_TYPE_UNKNOWN on interface object
+Fail	SVGUnitTypes interface: constant SVG_UNIT_TYPE_UNKNOWN on interface prototype object
+Fail	SVGUnitTypes interface: constant SVG_UNIT_TYPE_USERSPACEONUSE on interface object
+Fail	SVGUnitTypes interface: constant SVG_UNIT_TYPE_USERSPACEONUSE on interface prototype object
+Fail	SVGUnitTypes interface: constant SVG_UNIT_TYPE_OBJECTBOUNDINGBOX on interface object
+Fail	SVGUnitTypes interface: constant SVG_UNIT_TYPE_OBJECTBOUNDINGBOX on interface prototype object
+Pass	SVGSVGElement interface: existence and properties of interface object
+Pass	SVGSVGElement interface object length
+Pass	SVGSVGElement interface object name
+Pass	SVGSVGElement interface: existence and properties of interface prototype object
+Pass	SVGSVGElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGSVGElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGSVGElement interface: attribute x
+Pass	SVGSVGElement interface: attribute y
+Pass	SVGSVGElement interface: attribute width
+Pass	SVGSVGElement interface: attribute height
+Pass	SVGSVGElement interface: attribute currentScale
+Pass	SVGSVGElement interface: attribute currentTranslate
+Pass	SVGSVGElement interface: operation getIntersectionList(DOMRectReadOnly, SVGElement?)
+Pass	SVGSVGElement interface: operation getEnclosureList(DOMRectReadOnly, SVGElement?)
+Pass	SVGSVGElement interface: operation checkIntersection(SVGElement, DOMRectReadOnly)
+Pass	SVGSVGElement interface: operation checkEnclosure(SVGElement, DOMRectReadOnly)
+Pass	SVGSVGElement interface: operation deselectAll()
+Fail	SVGSVGElement interface: operation createSVGNumber()
+Pass	SVGSVGElement interface: operation createSVGLength()
+Fail	SVGSVGElement interface: operation createSVGAngle()
+Pass	SVGSVGElement interface: operation createSVGPoint()
+Pass	SVGSVGElement interface: operation createSVGMatrix()
+Pass	SVGSVGElement interface: operation createSVGRect()
+Pass	SVGSVGElement interface: operation createSVGTransform()
+Fail	SVGSVGElement interface: operation createSVGTransformFromMatrix(optional DOMMatrix2DInit)
+Pass	SVGSVGElement interface: operation getElementById(DOMString)
+Pass	SVGSVGElement interface: operation suspendRedraw(unsigned long)
+Pass	SVGSVGElement interface: operation unsuspendRedraw(unsigned long)
+Pass	SVGSVGElement interface: operation unsuspendRedrawAll()
+Pass	SVGSVGElement interface: operation forceRedraw()
+Fail	SVGSVGElement interface: operation pauseAnimations()
+Fail	SVGSVGElement interface: operation unpauseAnimations()
+Fail	SVGSVGElement interface: operation animationsPaused()
+Fail	SVGSVGElement interface: operation getCurrentTime()
+Fail	SVGSVGElement interface: operation setCurrentTime(float)
+Pass	SVGSVGElement interface: attribute viewBox
+Fail	SVGSVGElement interface: attribute preserveAspectRatio
+Pass	SVGSVGElement must be primary interface of objects.svg
+Pass	Stringification of objects.svg
+Pass	SVGSVGElement interface: objects.svg must inherit property "x" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "y" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "width" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "height" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "currentScale" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "currentTranslate" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "getIntersectionList(DOMRectReadOnly, SVGElement?)" with the proper type
+Pass	SVGSVGElement interface: calling getIntersectionList(DOMRectReadOnly, SVGElement?) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "getEnclosureList(DOMRectReadOnly, SVGElement?)" with the proper type
+Pass	SVGSVGElement interface: calling getEnclosureList(DOMRectReadOnly, SVGElement?) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "checkIntersection(SVGElement, DOMRectReadOnly)" with the proper type
+Pass	SVGSVGElement interface: calling checkIntersection(SVGElement, DOMRectReadOnly) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "checkEnclosure(SVGElement, DOMRectReadOnly)" with the proper type
+Pass	SVGSVGElement interface: calling checkEnclosure(SVGElement, DOMRectReadOnly) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "deselectAll()" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "createSVGNumber()" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "createSVGLength()" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "createSVGAngle()" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "createSVGPoint()" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "createSVGMatrix()" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "createSVGRect()" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "createSVGTransform()" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "createSVGTransformFromMatrix(optional DOMMatrix2DInit)" with the proper type
+Pass	SVGSVGElement interface: calling createSVGTransformFromMatrix(optional DOMMatrix2DInit) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "getElementById(DOMString)" with the proper type
+Pass	SVGSVGElement interface: calling getElementById(DOMString) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "suspendRedraw(unsigned long)" with the proper type
+Pass	SVGSVGElement interface: calling suspendRedraw(unsigned long) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "unsuspendRedraw(unsigned long)" with the proper type
+Pass	SVGSVGElement interface: calling unsuspendRedraw(unsigned long) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "unsuspendRedrawAll()" with the proper type
+Pass	SVGSVGElement interface: objects.svg must inherit property "forceRedraw()" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "pauseAnimations()" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "unpauseAnimations()" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "animationsPaused()" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "getCurrentTime()" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "setCurrentTime(float)" with the proper type
+Fail	SVGSVGElement interface: calling setCurrentTime(float) on objects.svg with too few arguments must throw TypeError
+Pass	SVGSVGElement interface: objects.svg must inherit property "viewBox" with the proper type
+Fail	SVGSVGElement interface: objects.svg must inherit property "preserveAspectRatio" with the proper type
+Pass	SVGGraphicsElement interface: objects.svg must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.svg must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.svg with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.svg must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.svg must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.svg must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.svg must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.svg must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.svg must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.svg must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.svg must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.svg must inherit property "correspondingUseElement" with the proper type
+Pass	SVGGElement interface: existence and properties of interface object
+Pass	SVGGElement interface object length
+Pass	SVGGElement interface object name
+Pass	SVGGElement interface: existence and properties of interface prototype object
+Pass	SVGGElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGGElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGGElement must be primary interface of objects.g
+Pass	Stringification of objects.g
+Pass	SVGGraphicsElement interface: objects.g must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.g must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.g with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.g must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.g must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.g must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.g must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.g must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.g must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.g must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.g must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.g must inherit property "correspondingUseElement" with the proper type
+Pass	SVGDefsElement interface: existence and properties of interface object
+Pass	SVGDefsElement interface object length
+Pass	SVGDefsElement interface object name
+Pass	SVGDefsElement interface: existence and properties of interface prototype object
+Pass	SVGDefsElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGDefsElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGDefsElement must be primary interface of objects.defs
+Pass	Stringification of objects.defs
+Pass	SVGGraphicsElement interface: objects.defs must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.defs must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.defs with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.defs must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.defs must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.defs must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.defs must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.defs must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.defs must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.defs must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.defs must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.defs must inherit property "correspondingUseElement" with the proper type
+Pass	SVGDescElement interface: existence and properties of interface object
+Pass	SVGDescElement interface object length
+Pass	SVGDescElement interface object name
+Pass	SVGDescElement interface: existence and properties of interface prototype object
+Pass	SVGDescElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGDescElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGDescElement must be primary interface of objects.desc
+Pass	Stringification of objects.desc
+Pass	SVGElement interface: objects.desc must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.desc must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.desc must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.desc must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.desc must inherit property "correspondingUseElement" with the proper type
+Pass	SVGMetadataElement interface: existence and properties of interface object
+Pass	SVGMetadataElement interface object length
+Pass	SVGMetadataElement interface object name
+Pass	SVGMetadataElement interface: existence and properties of interface prototype object
+Pass	SVGMetadataElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGMetadataElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGMetadataElement must be primary interface of objects.metadata
+Pass	Stringification of objects.metadata
+Pass	SVGElement interface: objects.metadata must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.metadata must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.metadata must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.metadata must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.metadata must inherit property "correspondingUseElement" with the proper type
+Pass	SVGTitleElement interface: existence and properties of interface object
+Pass	SVGTitleElement interface object length
+Pass	SVGTitleElement interface object name
+Pass	SVGTitleElement interface: existence and properties of interface prototype object
+Pass	SVGTitleElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGTitleElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGTitleElement must be primary interface of objects.title
+Pass	Stringification of objects.title
+Pass	SVGElement interface: objects.title must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.title must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.title must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.title must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.title must inherit property "correspondingUseElement" with the proper type
+Pass	SVGSymbolElement interface: existence and properties of interface object
+Pass	SVGSymbolElement interface object length
+Pass	SVGSymbolElement interface object name
+Pass	SVGSymbolElement interface: existence and properties of interface prototype object
+Pass	SVGSymbolElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGSymbolElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGSymbolElement interface: attribute viewBox
+Fail	SVGSymbolElement interface: attribute preserveAspectRatio
+Pass	SVGSymbolElement must be primary interface of objects.symbol
+Pass	Stringification of objects.symbol
+Pass	SVGSymbolElement interface: objects.symbol must inherit property "viewBox" with the proper type
+Fail	SVGSymbolElement interface: objects.symbol must inherit property "preserveAspectRatio" with the proper type
+Pass	SVGGraphicsElement interface: objects.symbol must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.symbol must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.symbol with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.symbol must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.symbol must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.symbol must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.symbol must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.symbol must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.symbol must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.symbol must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.symbol must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.symbol must inherit property "correspondingUseElement" with the proper type
+Pass	SVGUseElement interface: existence and properties of interface object
+Pass	SVGUseElement interface object length
+Pass	SVGUseElement interface object name
+Pass	SVGUseElement interface: existence and properties of interface prototype object
+Pass	SVGUseElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGUseElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGUseElement interface: attribute x
+Pass	SVGUseElement interface: attribute y
+Pass	SVGUseElement interface: attribute width
+Pass	SVGUseElement interface: attribute height
+Pass	SVGUseElement interface: attribute instanceRoot
+Pass	SVGUseElement interface: attribute animatedInstanceRoot
+Pass	SVGUseElement interface: attribute href
+Pass	SVGUseElement must be primary interface of objects.use
+Pass	Stringification of objects.use
+Pass	SVGUseElement interface: objects.use must inherit property "x" with the proper type
+Pass	SVGUseElement interface: objects.use must inherit property "y" with the proper type
+Pass	SVGUseElement interface: objects.use must inherit property "width" with the proper type
+Pass	SVGUseElement interface: objects.use must inherit property "height" with the proper type
+Pass	SVGUseElement interface: objects.use must inherit property "instanceRoot" with the proper type
+Pass	SVGUseElement interface: objects.use must inherit property "animatedInstanceRoot" with the proper type
+Pass	SVGUseElement interface: objects.use must inherit property "href" with the proper type
+Pass	SVGGraphicsElement interface: objects.use must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.use must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.use with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.use must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.use must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.use must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.use must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.use must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.use must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.use must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.use must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.use must inherit property "correspondingUseElement" with the proper type
+Fail	SVGUseElementShadowRoot interface: existence and properties of interface object
+Fail	SVGUseElementShadowRoot interface object length
+Fail	SVGUseElementShadowRoot interface object name
+Fail	SVGUseElementShadowRoot interface: existence and properties of interface prototype object
+Fail	SVGUseElementShadowRoot interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGUseElementShadowRoot interface: existence and properties of interface prototype object's @@unscopables property
+Fail	ShadowAnimation interface: existence and properties of interface object
+Fail	ShadowAnimation interface object length
+Fail	ShadowAnimation interface object name
+Fail	ShadowAnimation interface: existence and properties of interface prototype object
+Fail	ShadowAnimation interface: existence and properties of interface prototype object's "constructor" property
+Fail	ShadowAnimation interface: existence and properties of interface prototype object's @@unscopables property
+Fail	ShadowAnimation interface: attribute sourceAnimation
+Fail	SVGSwitchElement interface: existence and properties of interface object
+Fail	SVGSwitchElement interface object length
+Fail	SVGSwitchElement interface object name
+Fail	SVGSwitchElement interface: existence and properties of interface prototype object
+Fail	SVGSwitchElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGSwitchElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGSwitchElement must be primary interface of objects.switch
+Fail	Stringification of objects.switch
+Fail	SVGGraphicsElement interface: objects.switch must inherit property "transform" with the proper type
+Fail	SVGGraphicsElement interface: objects.switch must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Fail	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.switch with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.switch must inherit property "getCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.switch must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.switch must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.switch must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.switch must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.switch must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.switch must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.switch must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.switch must inherit property "correspondingUseElement" with the proper type
+Pass	SVGStyleElement interface: existence and properties of interface object
+Pass	SVGStyleElement interface object length
+Pass	SVGStyleElement interface object name
+Pass	SVGStyleElement interface: existence and properties of interface prototype object
+Pass	SVGStyleElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGStyleElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGStyleElement interface: attribute type
+Pass	SVGStyleElement interface: attribute media
+Pass	SVGStyleElement interface: attribute title
+Pass	SVGStyleElement must be primary interface of objects.style
+Pass	Stringification of objects.style
+Pass	SVGStyleElement interface: objects.style must inherit property "type" with the proper type
+Pass	SVGStyleElement interface: objects.style must inherit property "media" with the proper type
+Pass	SVGStyleElement interface: objects.style must inherit property "title" with the proper type
+Pass	SVGElement interface: objects.style must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.style must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.style must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.style must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.style must inherit property "correspondingUseElement" with the proper type
+Pass	SVGTransform interface: existence and properties of interface object
+Pass	SVGTransform interface object length
+Pass	SVGTransform interface object name
+Pass	SVGTransform interface: existence and properties of interface prototype object
+Pass	SVGTransform interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGTransform interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGTransform interface: constant SVG_TRANSFORM_UNKNOWN on interface object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_UNKNOWN on interface prototype object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_MATRIX on interface object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_MATRIX on interface prototype object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_TRANSLATE on interface object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_TRANSLATE on interface prototype object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_SCALE on interface object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_SCALE on interface prototype object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_ROTATE on interface object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_ROTATE on interface prototype object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_SKEWX on interface object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_SKEWX on interface prototype object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_SKEWY on interface object
+Pass	SVGTransform interface: constant SVG_TRANSFORM_SKEWY on interface prototype object
+Pass	SVGTransform interface: attribute type
+Fail	SVGTransform interface: attribute matrix
+Pass	SVGTransform interface: attribute angle
+Fail	SVGTransform interface: operation setMatrix(optional DOMMatrix2DInit)
+Pass	SVGTransform interface: operation setTranslate(float, float)
+Pass	SVGTransform interface: operation setScale(float, float)
+Pass	SVGTransform interface: operation setRotate(float, float, float)
+Pass	SVGTransform interface: operation setSkewX(float)
+Pass	SVGTransform interface: operation setSkewY(float)
+Pass	SVGTransform must be primary interface of objects.svg.createSVGTransform()
+Pass	Stringification of objects.svg.createSVGTransform()
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "SVG_TRANSFORM_UNKNOWN" with the proper type
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "SVG_TRANSFORM_MATRIX" with the proper type
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "SVG_TRANSFORM_TRANSLATE" with the proper type
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "SVG_TRANSFORM_SCALE" with the proper type
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "SVG_TRANSFORM_ROTATE" with the proper type
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "SVG_TRANSFORM_SKEWX" with the proper type
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "SVG_TRANSFORM_SKEWY" with the proper type
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "type" with the proper type
+Fail	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "matrix" with the proper type
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "angle" with the proper type
+Fail	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "setMatrix(optional DOMMatrix2DInit)" with the proper type
+Pass	SVGTransform interface: calling setMatrix(optional DOMMatrix2DInit) on objects.svg.createSVGTransform() with too few arguments must throw TypeError
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "setTranslate(float, float)" with the proper type
+Pass	SVGTransform interface: calling setTranslate(float, float) on objects.svg.createSVGTransform() with too few arguments must throw TypeError
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "setScale(float, float)" with the proper type
+Pass	SVGTransform interface: calling setScale(float, float) on objects.svg.createSVGTransform() with too few arguments must throw TypeError
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "setRotate(float, float, float)" with the proper type
+Pass	SVGTransform interface: calling setRotate(float, float, float) on objects.svg.createSVGTransform() with too few arguments must throw TypeError
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "setSkewX(float)" with the proper type
+Pass	SVGTransform interface: calling setSkewX(float) on objects.svg.createSVGTransform() with too few arguments must throw TypeError
+Pass	SVGTransform interface: objects.svg.createSVGTransform() must inherit property "setSkewY(float)" with the proper type
+Pass	SVGTransform interface: calling setSkewY(float) on objects.svg.createSVGTransform() with too few arguments must throw TypeError
+Pass	SVGTransformList interface: existence and properties of interface object
+Pass	SVGTransformList interface object length
+Pass	SVGTransformList interface object name
+Pass	SVGTransformList interface: existence and properties of interface prototype object
+Pass	SVGTransformList interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGTransformList interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGTransformList interface: attribute length
+Pass	SVGTransformList interface: attribute numberOfItems
+Fail	SVGTransformList interface: operation clear()
+Fail	SVGTransformList interface: operation initialize(SVGTransform)
+Pass	SVGTransformList interface: operation getItem(unsigned long)
+Fail	SVGTransformList interface: operation insertItemBefore(SVGTransform, unsigned long)
+Fail	SVGTransformList interface: operation replaceItem(SVGTransform, unsigned long)
+Fail	SVGTransformList interface: operation removeItem(unsigned long)
+Pass	SVGTransformList interface: operation appendItem(SVGTransform)
+Fail	SVGTransformList interface: operation createSVGTransformFromMatrix(optional DOMMatrix2DInit)
+Fail	SVGTransformList interface: operation consolidate()
+Fail	SVGTransformList must be primary interface of objects.pattern.patternTransform.baseVal
+Fail	Stringification of objects.pattern.patternTransform.baseVal
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "length" with the proper type
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "numberOfItems" with the proper type
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "clear()" with the proper type
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "initialize(SVGTransform)" with the proper type
+Fail	SVGTransformList interface: calling initialize(SVGTransform) on objects.pattern.patternTransform.baseVal with too few arguments must throw TypeError
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "getItem(unsigned long)" with the proper type
+Fail	SVGTransformList interface: calling getItem(unsigned long) on objects.pattern.patternTransform.baseVal with too few arguments must throw TypeError
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "insertItemBefore(SVGTransform, unsigned long)" with the proper type
+Fail	SVGTransformList interface: calling insertItemBefore(SVGTransform, unsigned long) on objects.pattern.patternTransform.baseVal with too few arguments must throw TypeError
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "replaceItem(SVGTransform, unsigned long)" with the proper type
+Fail	SVGTransformList interface: calling replaceItem(SVGTransform, unsigned long) on objects.pattern.patternTransform.baseVal with too few arguments must throw TypeError
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "removeItem(unsigned long)" with the proper type
+Fail	SVGTransformList interface: calling removeItem(unsigned long) on objects.pattern.patternTransform.baseVal with too few arguments must throw TypeError
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "appendItem(SVGTransform)" with the proper type
+Fail	SVGTransformList interface: calling appendItem(SVGTransform) on objects.pattern.patternTransform.baseVal with too few arguments must throw TypeError
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "createSVGTransformFromMatrix(optional DOMMatrix2DInit)" with the proper type
+Fail	SVGTransformList interface: calling createSVGTransformFromMatrix(optional DOMMatrix2DInit) on objects.pattern.patternTransform.baseVal with too few arguments must throw TypeError
+Fail	SVGTransformList interface: objects.pattern.patternTransform.baseVal must inherit property "consolidate()" with the proper type
+Pass	SVGAnimatedTransformList interface: existence and properties of interface object
+Pass	SVGAnimatedTransformList interface object length
+Pass	SVGAnimatedTransformList interface object name
+Pass	SVGAnimatedTransformList interface: existence and properties of interface prototype object
+Pass	SVGAnimatedTransformList interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGAnimatedTransformList interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGAnimatedTransformList interface: attribute baseVal
+Pass	SVGAnimatedTransformList interface: attribute animVal
+Fail	SVGAnimatedTransformList must be primary interface of objects.pattern.patternTransform
+Fail	Stringification of objects.pattern.patternTransform
+Fail	SVGAnimatedTransformList interface: objects.pattern.patternTransform must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedTransformList interface: objects.pattern.patternTransform must inherit property "animVal" with the proper type
+Fail	SVGPreserveAspectRatio interface: existence and properties of interface object
+Fail	SVGPreserveAspectRatio interface object length
+Fail	SVGPreserveAspectRatio interface object name
+Fail	SVGPreserveAspectRatio interface: existence and properties of interface prototype object
+Fail	SVGPreserveAspectRatio interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGPreserveAspectRatio interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_UNKNOWN on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_UNKNOWN on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_NONE on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_NONE on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMINYMIN on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMINYMIN on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMIDYMIN on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMIDYMIN on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMAXYMIN on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMAXYMIN on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMINYMID on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMINYMID on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMIDYMID on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMIDYMID on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMAXYMID on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMAXYMID on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMINYMAX on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMINYMAX on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMIDYMAX on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMIDYMAX on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMAXYMAX on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_PRESERVEASPECTRATIO_XMAXYMAX on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_MEETORSLICE_UNKNOWN on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_MEETORSLICE_UNKNOWN on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_MEETORSLICE_MEET on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_MEETORSLICE_MEET on interface prototype object
+Fail	SVGPreserveAspectRatio interface: constant SVG_MEETORSLICE_SLICE on interface object
+Fail	SVGPreserveAspectRatio interface: constant SVG_MEETORSLICE_SLICE on interface prototype object
+Fail	SVGPreserveAspectRatio interface: attribute align
+Fail	SVGPreserveAspectRatio interface: attribute meetOrSlice
+Fail	SVGPreserveAspectRatio must be primary interface of objects.image.preserveAspectRatio.baseVal
+Fail	Stringification of objects.image.preserveAspectRatio.baseVal
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_UNKNOWN" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_NONE" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMINYMIN" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMIDYMIN" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMAXYMIN" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMINYMID" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMIDYMID" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMAXYMID" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMINYMAX" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMIDYMAX" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_PRESERVEASPECTRATIO_XMAXYMAX" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_MEETORSLICE_UNKNOWN" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_MEETORSLICE_MEET" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "SVG_MEETORSLICE_SLICE" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "align" with the proper type
+Fail	SVGPreserveAspectRatio interface: objects.image.preserveAspectRatio.baseVal must inherit property "meetOrSlice" with the proper type
+Fail	SVGAnimatedPreserveAspectRatio interface: existence and properties of interface object
+Fail	SVGAnimatedPreserveAspectRatio interface object length
+Fail	SVGAnimatedPreserveAspectRatio interface object name
+Fail	SVGAnimatedPreserveAspectRatio interface: existence and properties of interface prototype object
+Fail	SVGAnimatedPreserveAspectRatio interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimatedPreserveAspectRatio interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimatedPreserveAspectRatio interface: attribute baseVal
+Fail	SVGAnimatedPreserveAspectRatio interface: attribute animVal
+Fail	SVGAnimatedPreserveAspectRatio must be primary interface of objects.image.preserveAspectRatio
+Fail	Stringification of objects.image.preserveAspectRatio
+Fail	SVGAnimatedPreserveAspectRatio interface: objects.image.preserveAspectRatio must inherit property "baseVal" with the proper type
+Fail	SVGAnimatedPreserveAspectRatio interface: objects.image.preserveAspectRatio must inherit property "animVal" with the proper type
+Pass	SVGRectElement interface: existence and properties of interface object
+Pass	SVGRectElement interface object length
+Pass	SVGRectElement interface object name
+Pass	SVGRectElement interface: existence and properties of interface prototype object
+Pass	SVGRectElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGRectElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGRectElement interface: attribute x
+Pass	SVGRectElement interface: attribute y
+Pass	SVGRectElement interface: attribute width
+Pass	SVGRectElement interface: attribute height
+Pass	SVGRectElement interface: attribute rx
+Pass	SVGRectElement interface: attribute ry
+Pass	SVGRectElement must be primary interface of objects.rect
+Pass	Stringification of objects.rect
+Pass	SVGRectElement interface: objects.rect must inherit property "x" with the proper type
+Pass	SVGRectElement interface: objects.rect must inherit property "y" with the proper type
+Pass	SVGRectElement interface: objects.rect must inherit property "width" with the proper type
+Pass	SVGRectElement interface: objects.rect must inherit property "height" with the proper type
+Pass	SVGRectElement interface: objects.rect must inherit property "rx" with the proper type
+Pass	SVGRectElement interface: objects.rect must inherit property "ry" with the proper type
+Fail	SVGGeometryElement interface: objects.rect must inherit property "pathLength" with the proper type
+Fail	SVGGeometryElement interface: objects.rect must inherit property "isPointInFill(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInFill(optional DOMPointInit) on objects.rect with too few arguments must throw TypeError
+Fail	SVGGeometryElement interface: objects.rect must inherit property "isPointInStroke(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInStroke(optional DOMPointInit) on objects.rect with too few arguments must throw TypeError
+Pass	SVGGeometryElement interface: objects.rect must inherit property "getTotalLength()" with the proper type
+Pass	SVGGeometryElement interface: objects.rect must inherit property "getPointAtLength(float)" with the proper type
+Pass	SVGGeometryElement interface: calling getPointAtLength(float) on objects.rect with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.rect must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.rect must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.rect with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.rect must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.rect must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.rect must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.rect must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.rect must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.rect must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.rect must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.rect must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.rect must inherit property "correspondingUseElement" with the proper type
+Pass	SVGCircleElement interface: existence and properties of interface object
+Pass	SVGCircleElement interface object length
+Pass	SVGCircleElement interface object name
+Pass	SVGCircleElement interface: existence and properties of interface prototype object
+Pass	SVGCircleElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGCircleElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGCircleElement interface: attribute cx
+Pass	SVGCircleElement interface: attribute cy
+Pass	SVGCircleElement interface: attribute r
+Pass	SVGCircleElement must be primary interface of objects.circle
+Pass	Stringification of objects.circle
+Pass	SVGCircleElement interface: objects.circle must inherit property "cx" with the proper type
+Pass	SVGCircleElement interface: objects.circle must inherit property "cy" with the proper type
+Pass	SVGCircleElement interface: objects.circle must inherit property "r" with the proper type
+Fail	SVGGeometryElement interface: objects.circle must inherit property "pathLength" with the proper type
+Fail	SVGGeometryElement interface: objects.circle must inherit property "isPointInFill(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInFill(optional DOMPointInit) on objects.circle with too few arguments must throw TypeError
+Fail	SVGGeometryElement interface: objects.circle must inherit property "isPointInStroke(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInStroke(optional DOMPointInit) on objects.circle with too few arguments must throw TypeError
+Pass	SVGGeometryElement interface: objects.circle must inherit property "getTotalLength()" with the proper type
+Pass	SVGGeometryElement interface: objects.circle must inherit property "getPointAtLength(float)" with the proper type
+Pass	SVGGeometryElement interface: calling getPointAtLength(float) on objects.circle with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.circle must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.circle must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.circle with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.circle must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.circle must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.circle must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.circle must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.circle must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.circle must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.circle must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.circle must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.circle must inherit property "correspondingUseElement" with the proper type
+Pass	SVGEllipseElement interface: existence and properties of interface object
+Pass	SVGEllipseElement interface object length
+Pass	SVGEllipseElement interface object name
+Pass	SVGEllipseElement interface: existence and properties of interface prototype object
+Pass	SVGEllipseElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGEllipseElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGEllipseElement interface: attribute cx
+Pass	SVGEllipseElement interface: attribute cy
+Pass	SVGEllipseElement interface: attribute rx
+Pass	SVGEllipseElement interface: attribute ry
+Pass	SVGEllipseElement must be primary interface of objects.ellipse
+Pass	Stringification of objects.ellipse
+Pass	SVGEllipseElement interface: objects.ellipse must inherit property "cx" with the proper type
+Pass	SVGEllipseElement interface: objects.ellipse must inherit property "cy" with the proper type
+Pass	SVGEllipseElement interface: objects.ellipse must inherit property "rx" with the proper type
+Pass	SVGEllipseElement interface: objects.ellipse must inherit property "ry" with the proper type
+Fail	SVGGeometryElement interface: objects.ellipse must inherit property "pathLength" with the proper type
+Fail	SVGGeometryElement interface: objects.ellipse must inherit property "isPointInFill(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInFill(optional DOMPointInit) on objects.ellipse with too few arguments must throw TypeError
+Fail	SVGGeometryElement interface: objects.ellipse must inherit property "isPointInStroke(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInStroke(optional DOMPointInit) on objects.ellipse with too few arguments must throw TypeError
+Pass	SVGGeometryElement interface: objects.ellipse must inherit property "getTotalLength()" with the proper type
+Pass	SVGGeometryElement interface: objects.ellipse must inherit property "getPointAtLength(float)" with the proper type
+Pass	SVGGeometryElement interface: calling getPointAtLength(float) on objects.ellipse with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.ellipse must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.ellipse must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.ellipse with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.ellipse must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.ellipse must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.ellipse must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.ellipse must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.ellipse must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.ellipse must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.ellipse must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.ellipse must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.ellipse must inherit property "correspondingUseElement" with the proper type
+Pass	SVGLineElement interface: existence and properties of interface object
+Pass	SVGLineElement interface object length
+Pass	SVGLineElement interface object name
+Pass	SVGLineElement interface: existence and properties of interface prototype object
+Pass	SVGLineElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGLineElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGLineElement interface: attribute x1
+Pass	SVGLineElement interface: attribute y1
+Pass	SVGLineElement interface: attribute x2
+Pass	SVGLineElement interface: attribute y2
+Pass	SVGLineElement must be primary interface of objects.line
+Pass	Stringification of objects.line
+Pass	SVGLineElement interface: objects.line must inherit property "x1" with the proper type
+Pass	SVGLineElement interface: objects.line must inherit property "y1" with the proper type
+Pass	SVGLineElement interface: objects.line must inherit property "x2" with the proper type
+Pass	SVGLineElement interface: objects.line must inherit property "y2" with the proper type
+Fail	SVGGeometryElement interface: objects.line must inherit property "pathLength" with the proper type
+Fail	SVGGeometryElement interface: objects.line must inherit property "isPointInFill(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInFill(optional DOMPointInit) on objects.line with too few arguments must throw TypeError
+Fail	SVGGeometryElement interface: objects.line must inherit property "isPointInStroke(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInStroke(optional DOMPointInit) on objects.line with too few arguments must throw TypeError
+Pass	SVGGeometryElement interface: objects.line must inherit property "getTotalLength()" with the proper type
+Pass	SVGGeometryElement interface: objects.line must inherit property "getPointAtLength(float)" with the proper type
+Pass	SVGGeometryElement interface: calling getPointAtLength(float) on objects.line with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.line must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.line must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.line with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.line must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.line must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.line must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.line must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.line must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.line must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.line must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.line must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.line must inherit property "correspondingUseElement" with the proper type
+Fail	SVGPointList interface: existence and properties of interface object
+Fail	SVGPointList interface object length
+Fail	SVGPointList interface object name
+Fail	SVGPointList interface: existence and properties of interface prototype object
+Fail	SVGPointList interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGPointList interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGPointList interface: attribute length
+Fail	SVGPointList interface: attribute numberOfItems
+Fail	SVGPointList interface: operation clear()
+Fail	SVGPointList interface: operation initialize(DOMPoint)
+Fail	SVGPointList interface: operation getItem(unsigned long)
+Fail	SVGPointList interface: operation insertItemBefore(DOMPoint, unsigned long)
+Fail	SVGPointList interface: operation replaceItem(DOMPoint, unsigned long)
+Fail	SVGPointList interface: operation removeItem(unsigned long)
+Fail	SVGPointList interface: operation appendItem(DOMPoint)
+Fail	SVGPointList must be primary interface of objects.polygon.points
+Fail	Stringification of objects.polygon.points
+Fail	SVGPointList interface: objects.polygon.points must inherit property "length" with the proper type
+Fail	SVGPointList interface: objects.polygon.points must inherit property "numberOfItems" with the proper type
+Fail	SVGPointList interface: objects.polygon.points must inherit property "clear()" with the proper type
+Fail	SVGPointList interface: objects.polygon.points must inherit property "initialize(DOMPoint)" with the proper type
+Fail	SVGPointList interface: calling initialize(DOMPoint) on objects.polygon.points with too few arguments must throw TypeError
+Fail	SVGPointList interface: objects.polygon.points must inherit property "getItem(unsigned long)" with the proper type
+Fail	SVGPointList interface: calling getItem(unsigned long) on objects.polygon.points with too few arguments must throw TypeError
+Fail	SVGPointList interface: objects.polygon.points must inherit property "insertItemBefore(DOMPoint, unsigned long)" with the proper type
+Fail	SVGPointList interface: calling insertItemBefore(DOMPoint, unsigned long) on objects.polygon.points with too few arguments must throw TypeError
+Fail	SVGPointList interface: objects.polygon.points must inherit property "replaceItem(DOMPoint, unsigned long)" with the proper type
+Fail	SVGPointList interface: calling replaceItem(DOMPoint, unsigned long) on objects.polygon.points with too few arguments must throw TypeError
+Fail	SVGPointList interface: objects.polygon.points must inherit property "removeItem(unsigned long)" with the proper type
+Fail	SVGPointList interface: calling removeItem(unsigned long) on objects.polygon.points with too few arguments must throw TypeError
+Fail	SVGPointList interface: objects.polygon.points must inherit property "appendItem(DOMPoint)" with the proper type
+Fail	SVGPointList interface: calling appendItem(DOMPoint) on objects.polygon.points with too few arguments must throw TypeError
+Pass	SVGPolylineElement interface: existence and properties of interface object
+Pass	SVGPolylineElement interface object length
+Pass	SVGPolylineElement interface object name
+Pass	SVGPolylineElement interface: existence and properties of interface prototype object
+Pass	SVGPolylineElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGPolylineElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGPolylineElement interface: attribute points
+Fail	SVGPolylineElement interface: attribute animatedPoints
+Pass	SVGPolylineElement must be primary interface of objects.polyline
+Pass	Stringification of objects.polyline
+Fail	SVGPolylineElement interface: objects.polyline must inherit property "points" with the proper type
+Fail	SVGPolylineElement interface: objects.polyline must inherit property "animatedPoints" with the proper type
+Fail	SVGGeometryElement interface: objects.polyline must inherit property "pathLength" with the proper type
+Fail	SVGGeometryElement interface: objects.polyline must inherit property "isPointInFill(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInFill(optional DOMPointInit) on objects.polyline with too few arguments must throw TypeError
+Fail	SVGGeometryElement interface: objects.polyline must inherit property "isPointInStroke(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInStroke(optional DOMPointInit) on objects.polyline with too few arguments must throw TypeError
+Pass	SVGGeometryElement interface: objects.polyline must inherit property "getTotalLength()" with the proper type
+Pass	SVGGeometryElement interface: objects.polyline must inherit property "getPointAtLength(float)" with the proper type
+Pass	SVGGeometryElement interface: calling getPointAtLength(float) on objects.polyline with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.polyline must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.polyline must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.polyline with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.polyline must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.polyline must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.polyline must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.polyline must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.polyline must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.polyline must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.polyline must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.polyline must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.polyline must inherit property "correspondingUseElement" with the proper type
+Pass	SVGPolygonElement interface: existence and properties of interface object
+Pass	SVGPolygonElement interface object length
+Pass	SVGPolygonElement interface object name
+Pass	SVGPolygonElement interface: existence and properties of interface prototype object
+Pass	SVGPolygonElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGPolygonElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGPolygonElement interface: attribute points
+Fail	SVGPolygonElement interface: attribute animatedPoints
+Pass	SVGPolygonElement must be primary interface of objects.polygon
+Pass	Stringification of objects.polygon
+Fail	SVGPolygonElement interface: objects.polygon must inherit property "points" with the proper type
+Fail	SVGPolygonElement interface: objects.polygon must inherit property "animatedPoints" with the proper type
+Fail	SVGGeometryElement interface: objects.polygon must inherit property "pathLength" with the proper type
+Fail	SVGGeometryElement interface: objects.polygon must inherit property "isPointInFill(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInFill(optional DOMPointInit) on objects.polygon with too few arguments must throw TypeError
+Fail	SVGGeometryElement interface: objects.polygon must inherit property "isPointInStroke(optional DOMPointInit)" with the proper type
+Pass	SVGGeometryElement interface: calling isPointInStroke(optional DOMPointInit) on objects.polygon with too few arguments must throw TypeError
+Pass	SVGGeometryElement interface: objects.polygon must inherit property "getTotalLength()" with the proper type
+Pass	SVGGeometryElement interface: objects.polygon must inherit property "getPointAtLength(float)" with the proper type
+Pass	SVGGeometryElement interface: calling getPointAtLength(float) on objects.polygon with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.polygon must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.polygon must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.polygon with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.polygon must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.polygon must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.polygon must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.polygon must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.polygon must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.polygon must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.polygon must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.polygon must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.polygon must inherit property "correspondingUseElement" with the proper type
+Pass	SVGTextContentElement interface: existence and properties of interface object
+Pass	SVGTextContentElement interface object length
+Pass	SVGTextContentElement interface object name
+Pass	SVGTextContentElement interface: existence and properties of interface prototype object
+Pass	SVGTextContentElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGTextContentElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGTextContentElement interface: constant LENGTHADJUST_UNKNOWN on interface object
+Pass	SVGTextContentElement interface: constant LENGTHADJUST_UNKNOWN on interface prototype object
+Pass	SVGTextContentElement interface: constant LENGTHADJUST_SPACING on interface object
+Pass	SVGTextContentElement interface: constant LENGTHADJUST_SPACING on interface prototype object
+Pass	SVGTextContentElement interface: constant LENGTHADJUST_SPACINGANDGLYPHS on interface object
+Pass	SVGTextContentElement interface: constant LENGTHADJUST_SPACINGANDGLYPHS on interface prototype object
+Fail	SVGTextContentElement interface: attribute textLength
+Fail	SVGTextContentElement interface: attribute lengthAdjust
+Pass	SVGTextContentElement interface: operation getNumberOfChars()
+Fail	SVGTextContentElement interface: operation getComputedTextLength()
+Fail	SVGTextContentElement interface: operation getSubStringLength(unsigned long, unsigned long)
+Pass	SVGTextContentElement interface: operation getStartPositionOfChar(unsigned long)
+Fail	SVGTextContentElement interface: operation getEndPositionOfChar(unsigned long)
+Fail	SVGTextContentElement interface: operation getExtentOfChar(unsigned long)
+Fail	SVGTextContentElement interface: operation getRotationOfChar(unsigned long)
+Fail	SVGTextContentElement interface: operation getCharNumAtPosition(optional DOMPointInit)
+Fail	SVGTextContentElement interface: operation selectSubString(unsigned long, unsigned long)
+Pass	SVGTextPositioningElement interface: existence and properties of interface object
+Pass	SVGTextPositioningElement interface object length
+Pass	SVGTextPositioningElement interface object name
+Pass	SVGTextPositioningElement interface: existence and properties of interface prototype object
+Pass	SVGTextPositioningElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGTextPositioningElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGTextPositioningElement interface: attribute x
+Fail	SVGTextPositioningElement interface: attribute y
+Fail	SVGTextPositioningElement interface: attribute dx
+Fail	SVGTextPositioningElement interface: attribute dy
+Fail	SVGTextPositioningElement interface: attribute rotate
+Pass	SVGTextElement interface: existence and properties of interface object
+Pass	SVGTextElement interface object length
+Pass	SVGTextElement interface object name
+Pass	SVGTextElement interface: existence and properties of interface prototype object
+Pass	SVGTextElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGTextElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGTextElement must be primary interface of objects.text
+Pass	Stringification of objects.text
+Fail	SVGTextPositioningElement interface: objects.text must inherit property "x" with the proper type
+Fail	SVGTextPositioningElement interface: objects.text must inherit property "y" with the proper type
+Fail	SVGTextPositioningElement interface: objects.text must inherit property "dx" with the proper type
+Fail	SVGTextPositioningElement interface: objects.text must inherit property "dy" with the proper type
+Fail	SVGTextPositioningElement interface: objects.text must inherit property "rotate" with the proper type
+Pass	SVGTextContentElement interface: objects.text must inherit property "LENGTHADJUST_UNKNOWN" with the proper type
+Pass	SVGTextContentElement interface: objects.text must inherit property "LENGTHADJUST_SPACING" with the proper type
+Pass	SVGTextContentElement interface: objects.text must inherit property "LENGTHADJUST_SPACINGANDGLYPHS" with the proper type
+Fail	SVGTextContentElement interface: objects.text must inherit property "textLength" with the proper type
+Fail	SVGTextContentElement interface: objects.text must inherit property "lengthAdjust" with the proper type
+Pass	SVGTextContentElement interface: objects.text must inherit property "getNumberOfChars()" with the proper type
+Fail	SVGTextContentElement interface: objects.text must inherit property "getComputedTextLength()" with the proper type
+Fail	SVGTextContentElement interface: objects.text must inherit property "getSubStringLength(unsigned long, unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getSubStringLength(unsigned long, unsigned long) on objects.text with too few arguments must throw TypeError
+Pass	SVGTextContentElement interface: objects.text must inherit property "getStartPositionOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getStartPositionOfChar(unsigned long) on objects.text with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.text must inherit property "getEndPositionOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getEndPositionOfChar(unsigned long) on objects.text with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.text must inherit property "getExtentOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getExtentOfChar(unsigned long) on objects.text with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.text must inherit property "getRotationOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getRotationOfChar(unsigned long) on objects.text with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.text must inherit property "getCharNumAtPosition(optional DOMPointInit)" with the proper type
+Pass	SVGTextContentElement interface: calling getCharNumAtPosition(optional DOMPointInit) on objects.text with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.text must inherit property "selectSubString(unsigned long, unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling selectSubString(unsigned long, unsigned long) on objects.text with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.text must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.text must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.text with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.text must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.text must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.text must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.text must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.text must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.text must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.text must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.text must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.text must inherit property "correspondingUseElement" with the proper type
+Pass	SVGTSpanElement interface: existence and properties of interface object
+Pass	SVGTSpanElement interface object length
+Pass	SVGTSpanElement interface object name
+Pass	SVGTSpanElement interface: existence and properties of interface prototype object
+Pass	SVGTSpanElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGTSpanElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGTSpanElement must be primary interface of objects.tspan
+Pass	Stringification of objects.tspan
+Fail	SVGTextPositioningElement interface: objects.tspan must inherit property "x" with the proper type
+Fail	SVGTextPositioningElement interface: objects.tspan must inherit property "y" with the proper type
+Fail	SVGTextPositioningElement interface: objects.tspan must inherit property "dx" with the proper type
+Fail	SVGTextPositioningElement interface: objects.tspan must inherit property "dy" with the proper type
+Fail	SVGTextPositioningElement interface: objects.tspan must inherit property "rotate" with the proper type
+Pass	SVGTextContentElement interface: objects.tspan must inherit property "LENGTHADJUST_UNKNOWN" with the proper type
+Pass	SVGTextContentElement interface: objects.tspan must inherit property "LENGTHADJUST_SPACING" with the proper type
+Pass	SVGTextContentElement interface: objects.tspan must inherit property "LENGTHADJUST_SPACINGANDGLYPHS" with the proper type
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "textLength" with the proper type
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "lengthAdjust" with the proper type
+Pass	SVGTextContentElement interface: objects.tspan must inherit property "getNumberOfChars()" with the proper type
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "getComputedTextLength()" with the proper type
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "getSubStringLength(unsigned long, unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getSubStringLength(unsigned long, unsigned long) on objects.tspan with too few arguments must throw TypeError
+Pass	SVGTextContentElement interface: objects.tspan must inherit property "getStartPositionOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getStartPositionOfChar(unsigned long) on objects.tspan with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "getEndPositionOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getEndPositionOfChar(unsigned long) on objects.tspan with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "getExtentOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getExtentOfChar(unsigned long) on objects.tspan with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "getRotationOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getRotationOfChar(unsigned long) on objects.tspan with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "getCharNumAtPosition(optional DOMPointInit)" with the proper type
+Pass	SVGTextContentElement interface: calling getCharNumAtPosition(optional DOMPointInit) on objects.tspan with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.tspan must inherit property "selectSubString(unsigned long, unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling selectSubString(unsigned long, unsigned long) on objects.tspan with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.tspan must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.tspan must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.tspan with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.tspan must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.tspan must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.tspan must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.tspan must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.tspan must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.tspan must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.tspan must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.tspan must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.tspan must inherit property "correspondingUseElement" with the proper type
+Pass	SVGTextPathElement interface: existence and properties of interface object
+Pass	SVGTextPathElement interface object length
+Pass	SVGTextPathElement interface object name
+Pass	SVGTextPathElement interface: existence and properties of interface prototype object
+Pass	SVGTextPathElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGTextPathElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGTextPathElement interface: constant TEXTPATH_METHODTYPE_UNKNOWN on interface object
+Pass	SVGTextPathElement interface: constant TEXTPATH_METHODTYPE_UNKNOWN on interface prototype object
+Pass	SVGTextPathElement interface: constant TEXTPATH_METHODTYPE_ALIGN on interface object
+Pass	SVGTextPathElement interface: constant TEXTPATH_METHODTYPE_ALIGN on interface prototype object
+Pass	SVGTextPathElement interface: constant TEXTPATH_METHODTYPE_STRETCH on interface object
+Pass	SVGTextPathElement interface: constant TEXTPATH_METHODTYPE_STRETCH on interface prototype object
+Pass	SVGTextPathElement interface: constant TEXTPATH_SPACINGTYPE_UNKNOWN on interface object
+Pass	SVGTextPathElement interface: constant TEXTPATH_SPACINGTYPE_UNKNOWN on interface prototype object
+Pass	SVGTextPathElement interface: constant TEXTPATH_SPACINGTYPE_AUTO on interface object
+Pass	SVGTextPathElement interface: constant TEXTPATH_SPACINGTYPE_AUTO on interface prototype object
+Pass	SVGTextPathElement interface: constant TEXTPATH_SPACINGTYPE_EXACT on interface object
+Pass	SVGTextPathElement interface: constant TEXTPATH_SPACINGTYPE_EXACT on interface prototype object
+Fail	SVGTextPathElement interface: attribute startOffset
+Fail	SVGTextPathElement interface: attribute method
+Fail	SVGTextPathElement interface: attribute spacing
+Pass	SVGTextPathElement interface: attribute href
+Pass	SVGTextPathElement must be primary interface of objects.textPath
+Pass	Stringification of objects.textPath
+Pass	SVGTextPathElement interface: objects.textPath must inherit property "TEXTPATH_METHODTYPE_UNKNOWN" with the proper type
+Pass	SVGTextPathElement interface: objects.textPath must inherit property "TEXTPATH_METHODTYPE_ALIGN" with the proper type
+Pass	SVGTextPathElement interface: objects.textPath must inherit property "TEXTPATH_METHODTYPE_STRETCH" with the proper type
+Pass	SVGTextPathElement interface: objects.textPath must inherit property "TEXTPATH_SPACINGTYPE_UNKNOWN" with the proper type
+Pass	SVGTextPathElement interface: objects.textPath must inherit property "TEXTPATH_SPACINGTYPE_AUTO" with the proper type
+Pass	SVGTextPathElement interface: objects.textPath must inherit property "TEXTPATH_SPACINGTYPE_EXACT" with the proper type
+Fail	SVGTextPathElement interface: objects.textPath must inherit property "startOffset" with the proper type
+Fail	SVGTextPathElement interface: objects.textPath must inherit property "method" with the proper type
+Fail	SVGTextPathElement interface: objects.textPath must inherit property "spacing" with the proper type
+Pass	SVGTextPathElement interface: objects.textPath must inherit property "href" with the proper type
+Pass	SVGTextContentElement interface: objects.textPath must inherit property "LENGTHADJUST_UNKNOWN" with the proper type
+Pass	SVGTextContentElement interface: objects.textPath must inherit property "LENGTHADJUST_SPACING" with the proper type
+Pass	SVGTextContentElement interface: objects.textPath must inherit property "LENGTHADJUST_SPACINGANDGLYPHS" with the proper type
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "textLength" with the proper type
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "lengthAdjust" with the proper type
+Pass	SVGTextContentElement interface: objects.textPath must inherit property "getNumberOfChars()" with the proper type
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "getComputedTextLength()" with the proper type
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "getSubStringLength(unsigned long, unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getSubStringLength(unsigned long, unsigned long) on objects.textPath with too few arguments must throw TypeError
+Pass	SVGTextContentElement interface: objects.textPath must inherit property "getStartPositionOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getStartPositionOfChar(unsigned long) on objects.textPath with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "getEndPositionOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getEndPositionOfChar(unsigned long) on objects.textPath with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "getExtentOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getExtentOfChar(unsigned long) on objects.textPath with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "getRotationOfChar(unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling getRotationOfChar(unsigned long) on objects.textPath with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "getCharNumAtPosition(optional DOMPointInit)" with the proper type
+Pass	SVGTextContentElement interface: calling getCharNumAtPosition(optional DOMPointInit) on objects.textPath with too few arguments must throw TypeError
+Fail	SVGTextContentElement interface: objects.textPath must inherit property "selectSubString(unsigned long, unsigned long)" with the proper type
+Pass	SVGTextContentElement interface: calling selectSubString(unsigned long, unsigned long) on objects.textPath with too few arguments must throw TypeError
+Pass	SVGGraphicsElement interface: objects.textPath must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.textPath must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.textPath with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.textPath must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.textPath must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.textPath must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.textPath must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.textPath must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.textPath must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.textPath must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.textPath must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.textPath must inherit property "correspondingUseElement" with the proper type
+Pass	SVGImageElement interface: existence and properties of interface object
+Pass	SVGImageElement interface object length
+Pass	SVGImageElement interface object name
+Pass	SVGImageElement interface: existence and properties of interface prototype object
+Pass	SVGImageElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGImageElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGImageElement interface: attribute x
+Pass	SVGImageElement interface: attribute y
+Pass	SVGImageElement interface: attribute width
+Pass	SVGImageElement interface: attribute height
+Fail	SVGImageElement interface: attribute preserveAspectRatio
+Pass	SVGImageElement interface: attribute crossOrigin
+Pass	SVGImageElement interface: attribute href
+Pass	SVGImageElement must be primary interface of objects.image
+Pass	Stringification of objects.image
+Pass	SVGImageElement interface: objects.image must inherit property "x" with the proper type
+Pass	SVGImageElement interface: objects.image must inherit property "y" with the proper type
+Pass	SVGImageElement interface: objects.image must inherit property "width" with the proper type
+Pass	SVGImageElement interface: objects.image must inherit property "height" with the proper type
+Fail	SVGImageElement interface: objects.image must inherit property "preserveAspectRatio" with the proper type
+Pass	SVGImageElement interface: objects.image must inherit property "crossOrigin" with the proper type
+Pass	SVGImageElement interface: objects.image must inherit property "href" with the proper type
+Pass	SVGGraphicsElement interface: objects.image must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.image must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.image with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.image must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.image must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.image must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.image must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.image must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.image must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.image must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.image must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.image must inherit property "correspondingUseElement" with the proper type
+Pass	SVGForeignObjectElement interface: existence and properties of interface object
+Pass	SVGForeignObjectElement interface object length
+Pass	SVGForeignObjectElement interface object name
+Pass	SVGForeignObjectElement interface: existence and properties of interface prototype object
+Pass	SVGForeignObjectElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGForeignObjectElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGForeignObjectElement interface: attribute x
+Pass	SVGForeignObjectElement interface: attribute y
+Pass	SVGForeignObjectElement interface: attribute width
+Pass	SVGForeignObjectElement interface: attribute height
+Pass	SVGForeignObjectElement must be primary interface of objects.foreignObject
+Pass	Stringification of objects.foreignObject
+Pass	SVGForeignObjectElement interface: objects.foreignObject must inherit property "x" with the proper type
+Pass	SVGForeignObjectElement interface: objects.foreignObject must inherit property "y" with the proper type
+Pass	SVGForeignObjectElement interface: objects.foreignObject must inherit property "width" with the proper type
+Pass	SVGForeignObjectElement interface: objects.foreignObject must inherit property "height" with the proper type
+Pass	SVGGraphicsElement interface: objects.foreignObject must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.foreignObject must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.foreignObject with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.foreignObject must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.foreignObject must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.foreignObject must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.foreignObject must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.foreignObject must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.foreignObject must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.foreignObject must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.foreignObject must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.foreignObject must inherit property "correspondingUseElement" with the proper type
+Fail	SVGMarkerElement interface: existence and properties of interface object
+Fail	SVGMarkerElement interface object length
+Fail	SVGMarkerElement interface object name
+Fail	SVGMarkerElement interface: existence and properties of interface prototype object
+Fail	SVGMarkerElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGMarkerElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGMarkerElement interface: constant SVG_MARKERUNITS_UNKNOWN on interface object
+Fail	SVGMarkerElement interface: constant SVG_MARKERUNITS_UNKNOWN on interface prototype object
+Fail	SVGMarkerElement interface: constant SVG_MARKERUNITS_USERSPACEONUSE on interface object
+Fail	SVGMarkerElement interface: constant SVG_MARKERUNITS_USERSPACEONUSE on interface prototype object
+Fail	SVGMarkerElement interface: constant SVG_MARKERUNITS_STROKEWIDTH on interface object
+Fail	SVGMarkerElement interface: constant SVG_MARKERUNITS_STROKEWIDTH on interface prototype object
+Fail	SVGMarkerElement interface: constant SVG_MARKER_ORIENT_UNKNOWN on interface object
+Fail	SVGMarkerElement interface: constant SVG_MARKER_ORIENT_UNKNOWN on interface prototype object
+Fail	SVGMarkerElement interface: constant SVG_MARKER_ORIENT_AUTO on interface object
+Fail	SVGMarkerElement interface: constant SVG_MARKER_ORIENT_AUTO on interface prototype object
+Fail	SVGMarkerElement interface: constant SVG_MARKER_ORIENT_ANGLE on interface object
+Fail	SVGMarkerElement interface: constant SVG_MARKER_ORIENT_ANGLE on interface prototype object
+Fail	SVGMarkerElement interface: attribute refX
+Fail	SVGMarkerElement interface: attribute refY
+Fail	SVGMarkerElement interface: attribute markerUnits
+Fail	SVGMarkerElement interface: attribute markerWidth
+Fail	SVGMarkerElement interface: attribute markerHeight
+Fail	SVGMarkerElement interface: attribute orientType
+Fail	SVGMarkerElement interface: attribute orientAngle
+Fail	SVGMarkerElement interface: attribute orient
+Fail	SVGMarkerElement interface: operation setOrientToAuto()
+Fail	SVGMarkerElement interface: operation setOrientToAngle(SVGAngle)
+Fail	SVGMarkerElement interface: attribute viewBox
+Fail	SVGMarkerElement interface: attribute preserveAspectRatio
+Fail	SVGMarkerElement must be primary interface of objects.marker
+Fail	Stringification of objects.marker
+Fail	SVGMarkerElement interface: objects.marker must inherit property "SVG_MARKERUNITS_UNKNOWN" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "SVG_MARKERUNITS_USERSPACEONUSE" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "SVG_MARKERUNITS_STROKEWIDTH" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "SVG_MARKER_ORIENT_UNKNOWN" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "SVG_MARKER_ORIENT_AUTO" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "SVG_MARKER_ORIENT_ANGLE" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "refX" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "refY" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "markerUnits" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "markerWidth" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "markerHeight" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "orientType" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "orientAngle" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "orient" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "setOrientToAuto()" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "setOrientToAngle(SVGAngle)" with the proper type
+Fail	SVGMarkerElement interface: calling setOrientToAngle(SVGAngle) on objects.marker with too few arguments must throw TypeError
+Fail	SVGMarkerElement interface: objects.marker must inherit property "viewBox" with the proper type
+Fail	SVGMarkerElement interface: objects.marker must inherit property "preserveAspectRatio" with the proper type
+Pass	SVGElement interface: objects.marker must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.marker must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.marker must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.marker must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.marker must inherit property "correspondingUseElement" with the proper type
+Pass	SVGGradientElement interface: existence and properties of interface object
+Pass	SVGGradientElement interface object length
+Pass	SVGGradientElement interface object name
+Pass	SVGGradientElement interface: existence and properties of interface prototype object
+Pass	SVGGradientElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGGradientElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGGradientElement interface: constant SVG_SPREADMETHOD_UNKNOWN on interface object
+Pass	SVGGradientElement interface: constant SVG_SPREADMETHOD_UNKNOWN on interface prototype object
+Pass	SVGGradientElement interface: constant SVG_SPREADMETHOD_PAD on interface object
+Pass	SVGGradientElement interface: constant SVG_SPREADMETHOD_PAD on interface prototype object
+Pass	SVGGradientElement interface: constant SVG_SPREADMETHOD_REFLECT on interface object
+Pass	SVGGradientElement interface: constant SVG_SPREADMETHOD_REFLECT on interface prototype object
+Pass	SVGGradientElement interface: constant SVG_SPREADMETHOD_REPEAT on interface object
+Pass	SVGGradientElement interface: constant SVG_SPREADMETHOD_REPEAT on interface prototype object
+Fail	SVGGradientElement interface: attribute gradientUnits
+Fail	SVGGradientElement interface: attribute gradientTransform
+Fail	SVGGradientElement interface: attribute spreadMethod
+Pass	SVGGradientElement interface: attribute href
+Pass	SVGLinearGradientElement interface: existence and properties of interface object
+Pass	SVGLinearGradientElement interface object length
+Pass	SVGLinearGradientElement interface object name
+Pass	SVGLinearGradientElement interface: existence and properties of interface prototype object
+Pass	SVGLinearGradientElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGLinearGradientElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGLinearGradientElement interface: attribute x1
+Pass	SVGLinearGradientElement interface: attribute y1
+Pass	SVGLinearGradientElement interface: attribute x2
+Pass	SVGLinearGradientElement interface: attribute y2
+Pass	SVGLinearGradientElement must be primary interface of objects.linearGradient
+Pass	Stringification of objects.linearGradient
+Pass	SVGLinearGradientElement interface: objects.linearGradient must inherit property "x1" with the proper type
+Pass	SVGLinearGradientElement interface: objects.linearGradient must inherit property "y1" with the proper type
+Pass	SVGLinearGradientElement interface: objects.linearGradient must inherit property "x2" with the proper type
+Pass	SVGLinearGradientElement interface: objects.linearGradient must inherit property "y2" with the proper type
+Pass	SVGGradientElement interface: objects.linearGradient must inherit property "SVG_SPREADMETHOD_UNKNOWN" with the proper type
+Pass	SVGGradientElement interface: objects.linearGradient must inherit property "SVG_SPREADMETHOD_PAD" with the proper type
+Pass	SVGGradientElement interface: objects.linearGradient must inherit property "SVG_SPREADMETHOD_REFLECT" with the proper type
+Pass	SVGGradientElement interface: objects.linearGradient must inherit property "SVG_SPREADMETHOD_REPEAT" with the proper type
+Fail	SVGGradientElement interface: objects.linearGradient must inherit property "gradientUnits" with the proper type
+Fail	SVGGradientElement interface: objects.linearGradient must inherit property "gradientTransform" with the proper type
+Fail	SVGGradientElement interface: objects.linearGradient must inherit property "spreadMethod" with the proper type
+Pass	SVGGradientElement interface: objects.linearGradient must inherit property "href" with the proper type
+Pass	SVGElement interface: objects.linearGradient must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.linearGradient must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.linearGradient must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.linearGradient must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.linearGradient must inherit property "correspondingUseElement" with the proper type
+Pass	SVGRadialGradientElement interface: existence and properties of interface object
+Pass	SVGRadialGradientElement interface object length
+Pass	SVGRadialGradientElement interface object name
+Pass	SVGRadialGradientElement interface: existence and properties of interface prototype object
+Pass	SVGRadialGradientElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGRadialGradientElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGRadialGradientElement interface: attribute cx
+Pass	SVGRadialGradientElement interface: attribute cy
+Pass	SVGRadialGradientElement interface: attribute r
+Pass	SVGRadialGradientElement interface: attribute fx
+Pass	SVGRadialGradientElement interface: attribute fy
+Pass	SVGRadialGradientElement interface: attribute fr
+Pass	SVGRadialGradientElement must be primary interface of objects.radialGradient
+Pass	Stringification of objects.radialGradient
+Pass	SVGRadialGradientElement interface: objects.radialGradient must inherit property "cx" with the proper type
+Pass	SVGRadialGradientElement interface: objects.radialGradient must inherit property "cy" with the proper type
+Pass	SVGRadialGradientElement interface: objects.radialGradient must inherit property "r" with the proper type
+Pass	SVGRadialGradientElement interface: objects.radialGradient must inherit property "fx" with the proper type
+Pass	SVGRadialGradientElement interface: objects.radialGradient must inherit property "fy" with the proper type
+Pass	SVGRadialGradientElement interface: objects.radialGradient must inherit property "fr" with the proper type
+Pass	SVGGradientElement interface: objects.radialGradient must inherit property "SVG_SPREADMETHOD_UNKNOWN" with the proper type
+Pass	SVGGradientElement interface: objects.radialGradient must inherit property "SVG_SPREADMETHOD_PAD" with the proper type
+Pass	SVGGradientElement interface: objects.radialGradient must inherit property "SVG_SPREADMETHOD_REFLECT" with the proper type
+Pass	SVGGradientElement interface: objects.radialGradient must inherit property "SVG_SPREADMETHOD_REPEAT" with the proper type
+Fail	SVGGradientElement interface: objects.radialGradient must inherit property "gradientUnits" with the proper type
+Fail	SVGGradientElement interface: objects.radialGradient must inherit property "gradientTransform" with the proper type
+Fail	SVGGradientElement interface: objects.radialGradient must inherit property "spreadMethod" with the proper type
+Pass	SVGGradientElement interface: objects.radialGradient must inherit property "href" with the proper type
+Pass	SVGElement interface: objects.radialGradient must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.radialGradient must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.radialGradient must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.radialGradient must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.radialGradient must inherit property "correspondingUseElement" with the proper type
+Pass	SVGStopElement interface: existence and properties of interface object
+Pass	SVGStopElement interface object length
+Pass	SVGStopElement interface object name
+Pass	SVGStopElement interface: existence and properties of interface prototype object
+Pass	SVGStopElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGStopElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGStopElement interface: attribute offset
+Pass	SVGStopElement must be primary interface of objects.stop
+Pass	Stringification of objects.stop
+Pass	SVGStopElement interface: objects.stop must inherit property "offset" with the proper type
+Pass	SVGElement interface: objects.stop must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.stop must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.stop must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.stop must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.stop must inherit property "correspondingUseElement" with the proper type
+Fail	SVGPatternElement interface: existence and properties of interface object
+Fail	SVGPatternElement interface object length
+Fail	SVGPatternElement interface object name
+Fail	SVGPatternElement interface: existence and properties of interface prototype object
+Fail	SVGPatternElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGPatternElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGPatternElement interface: attribute patternUnits
+Fail	SVGPatternElement interface: attribute patternContentUnits
+Fail	SVGPatternElement interface: attribute patternTransform
+Fail	SVGPatternElement interface: attribute x
+Fail	SVGPatternElement interface: attribute y
+Fail	SVGPatternElement interface: attribute width
+Fail	SVGPatternElement interface: attribute height
+Fail	SVGPatternElement interface: attribute viewBox
+Fail	SVGPatternElement interface: attribute preserveAspectRatio
+Fail	SVGPatternElement interface: attribute href
+Fail	SVGPatternElement must be primary interface of objects.pattern
+Fail	Stringification of objects.pattern
+Fail	SVGPatternElement interface: objects.pattern must inherit property "patternUnits" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "patternContentUnits" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "patternTransform" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "x" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "y" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "width" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "height" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "viewBox" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "preserveAspectRatio" with the proper type
+Fail	SVGPatternElement interface: objects.pattern must inherit property "href" with the proper type
+Pass	SVGElement interface: objects.pattern must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.pattern must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.pattern must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.pattern must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.pattern must inherit property "correspondingUseElement" with the proper type
+Pass	SVGScriptElement interface: existence and properties of interface object
+Pass	SVGScriptElement interface object length
+Pass	SVGScriptElement interface object name
+Pass	SVGScriptElement interface: existence and properties of interface prototype object
+Pass	SVGScriptElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGScriptElement interface: existence and properties of interface prototype object's @@unscopables property
+Pass	SVGScriptElement interface: attribute type
+Pass	SVGScriptElement interface: attribute crossOrigin
+Pass	SVGScriptElement interface: attribute href
+Pass	SVGScriptElement must be primary interface of objects.script
+Pass	Stringification of objects.script
+Pass	SVGScriptElement interface: objects.script must inherit property "type" with the proper type
+Pass	SVGScriptElement interface: objects.script must inherit property "crossOrigin" with the proper type
+Pass	SVGScriptElement interface: objects.script must inherit property "href" with the proper type
+Pass	SVGElement interface: objects.script must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.script must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.script must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.script must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.script must inherit property "correspondingUseElement" with the proper type
+Pass	SVGAElement interface: existence and properties of interface object
+Pass	SVGAElement interface object length
+Pass	SVGAElement interface object name
+Pass	SVGAElement interface: existence and properties of interface prototype object
+Pass	SVGAElement interface: existence and properties of interface prototype object's "constructor" property
+Pass	SVGAElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAElement interface: attribute target
+Pass	SVGAElement interface: attribute download
+Pass	SVGAElement interface: attribute ping
+Pass	SVGAElement interface: attribute rel
+Pass	SVGAElement interface: attribute relList
+Pass	SVGAElement interface: attribute hreflang
+Pass	SVGAElement interface: attribute type
+Fail	SVGAElement interface: attribute text
+Fail	SVGAElement interface: attribute referrerPolicy
+Fail	SVGAElement interface: attribute origin
+Fail	SVGAElement interface: attribute protocol
+Fail	SVGAElement interface: attribute username
+Fail	SVGAElement interface: attribute password
+Fail	SVGAElement interface: attribute host
+Fail	SVGAElement interface: attribute hostname
+Fail	SVGAElement interface: attribute port
+Fail	SVGAElement interface: attribute pathname
+Fail	SVGAElement interface: attribute search
+Fail	SVGAElement interface: attribute hash
+Pass	SVGAElement interface: attribute href
+Pass	SVGAElement must be primary interface of objects.a
+Pass	Stringification of objects.a
+Fail	SVGAElement interface: objects.a must inherit property "target" with the proper type
+Pass	SVGAElement interface: objects.a must inherit property "download" with the proper type
+Pass	SVGAElement interface: objects.a must inherit property "ping" with the proper type
+Pass	SVGAElement interface: objects.a must inherit property "rel" with the proper type
+Pass	SVGAElement interface: objects.a must inherit property "relList" with the proper type
+Pass	SVGAElement interface: objects.a must inherit property "hreflang" with the proper type
+Pass	SVGAElement interface: objects.a must inherit property "type" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "text" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "referrerPolicy" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "origin" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "protocol" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "username" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "password" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "host" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "hostname" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "port" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "pathname" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "search" with the proper type
+Fail	SVGAElement interface: objects.a must inherit property "hash" with the proper type
+Pass	SVGAElement interface: objects.a must inherit property "href" with the proper type
+Pass	SVGGraphicsElement interface: objects.a must inherit property "transform" with the proper type
+Pass	SVGGraphicsElement interface: objects.a must inherit property "getBBox(optional SVGBoundingBoxOptions)" with the proper type
+Pass	SVGGraphicsElement interface: calling getBBox(optional SVGBoundingBoxOptions) on objects.a with too few arguments must throw TypeError
+Fail	SVGGraphicsElement interface: objects.a must inherit property "getCTM()" with the proper type
+Pass	SVGGraphicsElement interface: objects.a must inherit property "getScreenCTM()" with the proper type
+Fail	SVGGraphicsElement interface: objects.a must inherit property "requiredExtensions" with the proper type
+Fail	SVGGraphicsElement interface: objects.a must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.a must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.a must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.a must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.a must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.a must inherit property "correspondingUseElement" with the proper type
+Fail	SVGViewElement interface: existence and properties of interface object
+Fail	SVGViewElement interface object length
+Fail	SVGViewElement interface object name
+Fail	SVGViewElement interface: existence and properties of interface prototype object
+Fail	SVGViewElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGViewElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGViewElement interface: attribute viewBox
+Fail	SVGViewElement interface: attribute preserveAspectRatio
+Fail	SVGViewElement must be primary interface of objects.view
+Fail	Stringification of objects.view
+Fail	SVGViewElement interface: objects.view must inherit property "viewBox" with the proper type
+Fail	SVGViewElement interface: objects.view must inherit property "preserveAspectRatio" with the proper type
+Pass	SVGElement interface: objects.view must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.view must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.view must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.view must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.view must inherit property "correspondingUseElement" with the proper type
+Fail	TimeEvent interface: existence and properties of interface object
+Fail	TimeEvent interface object length
+Fail	TimeEvent interface object name
+Fail	TimeEvent interface: existence and properties of interface prototype object
+Fail	TimeEvent interface: existence and properties of interface prototype object's "constructor" property
+Fail	TimeEvent interface: existence and properties of interface prototype object's @@unscopables property
+Fail	TimeEvent interface: attribute view
+Fail	TimeEvent interface: attribute detail
+Fail	TimeEvent interface: operation initTimeEvent(DOMString, Window?, long)
+Fail	SVGAnimationElement interface: existence and properties of interface object
+Fail	SVGAnimationElement interface object length
+Fail	SVGAnimationElement interface object name
+Fail	SVGAnimationElement interface: existence and properties of interface prototype object
+Fail	SVGAnimationElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimationElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimationElement interface: attribute targetElement
+Fail	SVGAnimationElement interface: attribute onbegin
+Fail	SVGAnimationElement interface: attribute onend
+Fail	SVGAnimationElement interface: attribute onrepeat
+Fail	SVGAnimationElement interface: operation getStartTime()
+Fail	SVGAnimationElement interface: operation getCurrentTime()
+Fail	SVGAnimationElement interface: operation getSimpleDuration()
+Fail	SVGAnimationElement interface: operation beginElement()
+Fail	SVGAnimationElement interface: operation beginElementAt(float)
+Fail	SVGAnimationElement interface: operation endElement()
+Fail	SVGAnimationElement interface: operation endElementAt(float)
+Fail	SVGAnimationElement interface: attribute requiredExtensions
+Fail	SVGAnimationElement interface: attribute systemLanguage
+Fail	SVGAnimateElement interface: existence and properties of interface object
+Fail	SVGAnimateElement interface object length
+Fail	SVGAnimateElement interface object name
+Fail	SVGAnimateElement interface: existence and properties of interface prototype object
+Fail	SVGAnimateElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimateElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimateElement must be primary interface of objects.animate
+Fail	Stringification of objects.animate
+Fail	SVGAnimationElement interface: objects.animate must inherit property "targetElement" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "onbegin" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "onend" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "onrepeat" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "getStartTime()" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "getCurrentTime()" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "getSimpleDuration()" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "beginElement()" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "beginElementAt(float)" with the proper type
+Fail	SVGAnimationElement interface: calling beginElementAt(float) on objects.animate with too few arguments must throw TypeError
+Fail	SVGAnimationElement interface: objects.animate must inherit property "endElement()" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "endElementAt(float)" with the proper type
+Fail	SVGAnimationElement interface: calling endElementAt(float) on objects.animate with too few arguments must throw TypeError
+Fail	SVGAnimationElement interface: objects.animate must inherit property "requiredExtensions" with the proper type
+Fail	SVGAnimationElement interface: objects.animate must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.animate must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.animate must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.animate must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.animate must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.animate must inherit property "correspondingUseElement" with the proper type
+Fail	SVGSetElement interface: existence and properties of interface object
+Fail	SVGSetElement interface object length
+Fail	SVGSetElement interface object name
+Fail	SVGSetElement interface: existence and properties of interface prototype object
+Fail	SVGSetElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGSetElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGSetElement must be primary interface of objects.set
+Fail	Stringification of objects.set
+Fail	SVGAnimationElement interface: objects.set must inherit property "targetElement" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "onbegin" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "onend" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "onrepeat" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "getStartTime()" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "getCurrentTime()" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "getSimpleDuration()" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "beginElement()" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "beginElementAt(float)" with the proper type
+Fail	SVGAnimationElement interface: calling beginElementAt(float) on objects.set with too few arguments must throw TypeError
+Fail	SVGAnimationElement interface: objects.set must inherit property "endElement()" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "endElementAt(float)" with the proper type
+Fail	SVGAnimationElement interface: calling endElementAt(float) on objects.set with too few arguments must throw TypeError
+Fail	SVGAnimationElement interface: objects.set must inherit property "requiredExtensions" with the proper type
+Fail	SVGAnimationElement interface: objects.set must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.set must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.set must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.set must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.set must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.set must inherit property "correspondingUseElement" with the proper type
+Fail	SVGAnimateMotionElement interface: existence and properties of interface object
+Fail	SVGAnimateMotionElement interface object length
+Fail	SVGAnimateMotionElement interface object name
+Fail	SVGAnimateMotionElement interface: existence and properties of interface prototype object
+Fail	SVGAnimateMotionElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimateMotionElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimateMotionElement must be primary interface of objects.animateMotion
+Fail	Stringification of objects.animateMotion
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "targetElement" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "onbegin" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "onend" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "onrepeat" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "getStartTime()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "getCurrentTime()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "getSimpleDuration()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "beginElement()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "beginElementAt(float)" with the proper type
+Fail	SVGAnimationElement interface: calling beginElementAt(float) on objects.animateMotion with too few arguments must throw TypeError
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "endElement()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "endElementAt(float)" with the proper type
+Fail	SVGAnimationElement interface: calling endElementAt(float) on objects.animateMotion with too few arguments must throw TypeError
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "requiredExtensions" with the proper type
+Fail	SVGAnimationElement interface: objects.animateMotion must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.animateMotion must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.animateMotion must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.animateMotion must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.animateMotion must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.animateMotion must inherit property "correspondingUseElement" with the proper type
+Fail	SVGMPathElement interface: existence and properties of interface object
+Fail	SVGMPathElement interface object length
+Fail	SVGMPathElement interface object name
+Fail	SVGMPathElement interface: existence and properties of interface prototype object
+Fail	SVGMPathElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGMPathElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGMPathElement interface: attribute href
+Fail	SVGMPathElement must be primary interface of objects.mpath
+Fail	Stringification of objects.mpath
+Fail	SVGMPathElement interface: objects.mpath must inherit property "href" with the proper type
+Pass	SVGElement interface: objects.mpath must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.mpath must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.mpath must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.mpath must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.mpath must inherit property "correspondingUseElement" with the proper type
+Fail	SVGAnimateTransformElement interface: existence and properties of interface object
+Fail	SVGAnimateTransformElement interface object length
+Fail	SVGAnimateTransformElement interface object name
+Fail	SVGAnimateTransformElement interface: existence and properties of interface prototype object
+Fail	SVGAnimateTransformElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGAnimateTransformElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	SVGAnimateTransformElement must be primary interface of objects.animateTransform
+Fail	Stringification of objects.animateTransform
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "targetElement" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "onbegin" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "onend" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "onrepeat" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "getStartTime()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "getCurrentTime()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "getSimpleDuration()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "beginElement()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "beginElementAt(float)" with the proper type
+Fail	SVGAnimationElement interface: calling beginElementAt(float) on objects.animateTransform with too few arguments must throw TypeError
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "endElement()" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "endElementAt(float)" with the proper type
+Fail	SVGAnimationElement interface: calling endElementAt(float) on objects.animateTransform with too few arguments must throw TypeError
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "requiredExtensions" with the proper type
+Fail	SVGAnimationElement interface: objects.animateTransform must inherit property "systemLanguage" with the proper type
+Pass	SVGElement interface: objects.animateTransform must inherit property "className" with the proper type
+Pass	SVGElement interface: objects.animateTransform must inherit property "ownerSVGElement" with the proper type
+Fail	SVGElement interface: objects.animateTransform must inherit property "viewportElement" with the proper type
+Fail	SVGElement interface: objects.animateTransform must inherit property "correspondingElement" with the proper type
+Fail	SVGElement interface: objects.animateTransform must inherit property "correspondingUseElement" with the proper type
+Fail	SVGDiscardElement interface: existence and properties of interface object
+Fail	SVGDiscardElement interface object length
+Fail	SVGDiscardElement interface object name
+Fail	SVGDiscardElement interface: existence and properties of interface prototype object
+Fail	SVGDiscardElement interface: existence and properties of interface prototype object's "constructor" property
+Fail	SVGDiscardElement interface: existence and properties of interface prototype object's @@unscopables property
+Fail	Document interface: attribute rootElement
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/wpt-import/interfaces/SVG.idl b/Tests/LibWeb/Text/input/wpt-import/interfaces/SVG.idl
new file mode 100644
index 00000000000..5dff2947b51
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/interfaces/SVG.idl
@@ -0,0 +1,689 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: Scalable Vector Graphics (SVG) 2 (https://svgwg.org/svg2-draft/)
+
+[Exposed=Window]
+interface SVGElement : Element {
+
+  [SameObject] readonly attribute SVGAnimatedString className;
+
+  readonly attribute SVGSVGElement? ownerSVGElement;
+  readonly attribute SVGElement? viewportElement;
+};
+
+SVGElement includes GlobalEventHandlers;
+SVGElement includes SVGElementInstance;
+SVGElement includes HTMLOrSVGElement;
+
+dictionary SVGBoundingBoxOptions {
+  boolean fill = true;
+  boolean stroke = false;
+  boolean markers = false;
+  boolean clipped = false;
+};
+
+[Exposed=Window]
+interface SVGGraphicsElement : SVGElement {
+  [SameObject] readonly attribute SVGAnimatedTransformList transform;
+
+  DOMRect getBBox(optional SVGBoundingBoxOptions options = {});
+  DOMMatrix? getCTM();
+  DOMMatrix? getScreenCTM();
+};
+
+SVGGraphicsElement includes SVGTests;
+
+[Exposed=Window]
+interface SVGGeometryElement : SVGGraphicsElement {
+  [SameObject] readonly attribute SVGAnimatedNumber pathLength;
+
+  boolean isPointInFill(optional DOMPointInit point = {});
+  boolean isPointInStroke(optional DOMPointInit point = {});
+  float getTotalLength();
+  DOMPoint getPointAtLength(float distance);
+};
+
+[Exposed=Window]
+interface SVGNumber {
+  attribute float value;
+};
+
+[Exposed=Window]
+interface SVGLength {
+
+  // Length Unit Types
+  const unsigned short SVG_LENGTHTYPE_UNKNOWN = 0;
+  const unsigned short SVG_LENGTHTYPE_NUMBER = 1;
+  const unsigned short SVG_LENGTHTYPE_PERCENTAGE = 2;
+  const unsigned short SVG_LENGTHTYPE_EMS = 3;
+  const unsigned short SVG_LENGTHTYPE_EXS = 4;
+  const unsigned short SVG_LENGTHTYPE_PX = 5;
+  const unsigned short SVG_LENGTHTYPE_CM = 6;
+  const unsigned short SVG_LENGTHTYPE_MM = 7;
+  const unsigned short SVG_LENGTHTYPE_IN = 8;
+  const unsigned short SVG_LENGTHTYPE_PT = 9;
+  const unsigned short SVG_LENGTHTYPE_PC = 10;
+
+  readonly attribute unsigned short unitType;
+           attribute float value;
+           attribute float valueInSpecifiedUnits;
+           attribute DOMString valueAsString;
+
+  undefined newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits);
+  undefined convertToSpecifiedUnits(unsigned short unitType);
+};
+
+[Exposed=Window]
+interface SVGAngle {
+
+  // Angle Unit Types
+  const unsigned short SVG_ANGLETYPE_UNKNOWN = 0;
+  const unsigned short SVG_ANGLETYPE_UNSPECIFIED = 1;
+  const unsigned short SVG_ANGLETYPE_DEG = 2;
+  const unsigned short SVG_ANGLETYPE_RAD = 3;
+  const unsigned short SVG_ANGLETYPE_GRAD = 4;
+
+  readonly attribute unsigned short unitType;
+           attribute float value;
+           attribute float valueInSpecifiedUnits;
+           attribute DOMString valueAsString;
+
+  undefined newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits);
+  undefined convertToSpecifiedUnits(unsigned short unitType);
+};
+
+[Exposed=Window]
+interface SVGNumberList {
+
+  readonly attribute unsigned long length;
+  readonly attribute unsigned long numberOfItems;
+
+  undefined clear();
+  SVGNumber initialize(SVGNumber newItem);
+  getter SVGNumber getItem(unsigned long index);
+  SVGNumber insertItemBefore(SVGNumber newItem, unsigned long index);
+  SVGNumber replaceItem(SVGNumber newItem, unsigned long index);
+  SVGNumber removeItem(unsigned long index);
+  SVGNumber appendItem(SVGNumber newItem);
+  setter undefined (unsigned long index, SVGNumber newItem);
+};
+
+[Exposed=Window]
+interface SVGLengthList {
+
+  readonly attribute unsigned long length;
+  readonly attribute unsigned long numberOfItems;
+
+  undefined clear();
+  SVGLength initialize(SVGLength newItem);
+  getter SVGLength getItem(unsigned long index);
+  SVGLength insertItemBefore(SVGLength newItem, unsigned long index);
+  SVGLength replaceItem(SVGLength newItem, unsigned long index);
+  SVGLength removeItem(unsigned long index);
+  SVGLength appendItem(SVGLength newItem);
+  setter undefined (unsigned long index, SVGLength newItem);
+};
+
+[Exposed=Window]
+interface SVGStringList {
+
+  readonly attribute unsigned long length;
+  readonly attribute unsigned long numberOfItems;
+
+  undefined clear();
+  DOMString initialize(DOMString newItem);
+  getter DOMString getItem(unsigned long index);
+  DOMString insertItemBefore(DOMString newItem, unsigned long index);
+  DOMString replaceItem(DOMString newItem, unsigned long index);
+  DOMString removeItem(unsigned long index);
+  DOMString appendItem(DOMString newItem);
+  setter undefined (unsigned long index, DOMString newItem);
+};
+
+[Exposed=Window]
+interface SVGAnimatedBoolean {
+           attribute boolean baseVal;
+  readonly attribute boolean animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedEnumeration {
+           attribute unsigned short baseVal;
+  readonly attribute unsigned short animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedInteger {
+           attribute long baseVal;
+  readonly attribute long animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedNumber {
+           attribute float baseVal;
+  readonly attribute float animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedLength {
+  [SameObject] readonly attribute SVGLength baseVal;
+  [SameObject] readonly attribute SVGLength animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedAngle {
+  [SameObject] readonly attribute SVGAngle baseVal;
+  [SameObject] readonly attribute SVGAngle animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedString {
+           attribute DOMString baseVal;
+  readonly attribute DOMString animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedRect {
+  [SameObject] readonly attribute DOMRect baseVal;
+  [SameObject] readonly attribute DOMRectReadOnly animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedNumberList {
+  [SameObject] readonly attribute SVGNumberList baseVal;
+  [SameObject] readonly attribute SVGNumberList animVal;
+};
+
+[Exposed=Window]
+interface SVGAnimatedLengthList {
+  [SameObject] readonly attribute SVGLengthList baseVal;
+  [SameObject] readonly attribute SVGLengthList animVal;
+};
+
+[Exposed=Window]
+interface SVGUnitTypes {
+  // Unit Types
+  const unsigned short SVG_UNIT_TYPE_UNKNOWN = 0;
+  const unsigned short SVG_UNIT_TYPE_USERSPACEONUSE = 1;
+  const unsigned short SVG_UNIT_TYPE_OBJECTBOUNDINGBOX = 2;
+};
+
+interface mixin SVGTests {
+  [SameObject] readonly attribute SVGStringList requiredExtensions;
+  [SameObject] readonly attribute SVGStringList systemLanguage;
+};
+
+interface mixin SVGFitToViewBox {
+  [SameObject] readonly attribute SVGAnimatedRect viewBox;
+  [SameObject] readonly attribute SVGAnimatedPreserveAspectRatio preserveAspectRatio;
+};
+
+interface mixin SVGURIReference {
+  [SameObject] readonly attribute SVGAnimatedString href;
+};
+
+partial interface Document {
+  readonly attribute SVGSVGElement? rootElement;
+};
+
+[Exposed=Window]
+interface SVGSVGElement : SVGGraphicsElement {
+
+  [SameObject] readonly attribute SVGAnimatedLength x;
+  [SameObject] readonly attribute SVGAnimatedLength y;
+  [SameObject] readonly attribute SVGAnimatedLength width;
+  [SameObject] readonly attribute SVGAnimatedLength height;
+
+  attribute float currentScale;
+  [SameObject] readonly attribute DOMPointReadOnly currentTranslate;
+
+  NodeList getIntersectionList(DOMRectReadOnly rect, SVGElement? referenceElement);
+  NodeList getEnclosureList(DOMRectReadOnly rect, SVGElement? referenceElement);
+  boolean checkIntersection(SVGElement element, DOMRectReadOnly rect);
+  boolean checkEnclosure(SVGElement element, DOMRectReadOnly rect);
+
+  undefined deselectAll();
+
+  SVGNumber createSVGNumber();
+  SVGLength createSVGLength();
+  SVGAngle createSVGAngle();
+  DOMPoint createSVGPoint();
+  DOMMatrix createSVGMatrix();
+  DOMRect createSVGRect();
+  SVGTransform createSVGTransform();
+  SVGTransform createSVGTransformFromMatrix(optional DOMMatrix2DInit matrix = {});
+
+  Element getElementById(DOMString elementId);
+
+  // Deprecated methods that have no effect when called,
+  // but which are kept for compatibility reasons.
+  unsigned long suspendRedraw(unsigned long maxWaitMilliseconds);
+  undefined unsuspendRedraw(unsigned long suspendHandleID);
+  undefined unsuspendRedrawAll();
+  undefined forceRedraw();
+};
+
+SVGSVGElement includes SVGFitToViewBox;
+SVGSVGElement includes WindowEventHandlers;
+
+[Exposed=Window]
+interface SVGGElement : SVGGraphicsElement {
+};
+
+[Exposed=Window]
+interface SVGDefsElement : SVGGraphicsElement {
+};
+
+[Exposed=Window]
+interface SVGDescElement : SVGElement {
+};
+
+[Exposed=Window]
+interface SVGMetadataElement : SVGElement {
+};
+
+[Exposed=Window]
+interface SVGTitleElement : SVGElement {
+};
+
+[Exposed=Window]
+interface SVGSymbolElement : SVGGraphicsElement {
+};
+
+SVGSymbolElement includes SVGFitToViewBox;
+
+[Exposed=Window]
+interface SVGUseElement : SVGGraphicsElement {
+  [SameObject] readonly attribute SVGAnimatedLength x;
+  [SameObject] readonly attribute SVGAnimatedLength y;
+  [SameObject] readonly attribute SVGAnimatedLength width;
+  [SameObject] readonly attribute SVGAnimatedLength height;
+  [SameObject] readonly attribute SVGElement? instanceRoot;
+  [SameObject] readonly attribute SVGElement? animatedInstanceRoot;
+};
+
+SVGUseElement includes SVGURIReference;
+
+[Exposed=Window]
+interface SVGUseElementShadowRoot : ShadowRoot {
+};
+
+interface mixin SVGElementInstance {
+  [SameObject] readonly attribute SVGElement? correspondingElement;
+  [SameObject] readonly attribute SVGUseElement? correspondingUseElement;
+};
+
+[Exposed=Window]
+interface ShadowAnimation : Animation {
+  constructor(Animation source, (Element or CSSPseudoElement) newTarget);
+  [SameObject] readonly attribute Animation sourceAnimation;
+};
+
+[Exposed=Window]
+interface SVGSwitchElement : SVGGraphicsElement {
+};
+
+interface mixin GetSVGDocument {
+  Document getSVGDocument();
+};
+
+[Exposed=Window]
+interface SVGStyleElement : SVGElement {
+  attribute DOMString type;
+  attribute DOMString media;
+  attribute DOMString title;
+};
+
+SVGStyleElement includes LinkStyle;
+
+[Exposed=Window]
+interface SVGTransform {
+
+  // Transform Types
+  const unsigned short SVG_TRANSFORM_UNKNOWN = 0;
+  const unsigned short SVG_TRANSFORM_MATRIX = 1;
+  const unsigned short SVG_TRANSFORM_TRANSLATE = 2;
+  const unsigned short SVG_TRANSFORM_SCALE = 3;
+  const unsigned short SVG_TRANSFORM_ROTATE = 4;
+  const unsigned short SVG_TRANSFORM_SKEWX = 5;
+  const unsigned short SVG_TRANSFORM_SKEWY = 6;
+
+  readonly attribute unsigned short type;
+  [SameObject] readonly attribute DOMMatrix matrix;
+  readonly attribute float angle;
+
+  undefined setMatrix(optional DOMMatrix2DInit matrix = {});
+  undefined setTranslate(float tx, float ty);
+  undefined setScale(float sx, float sy);
+  undefined setRotate(float angle, float cx, float cy);
+  undefined setSkewX(float angle);
+  undefined setSkewY(float angle);
+};
+
+[Exposed=Window]
+interface SVGTransformList {
+
+  readonly attribute unsigned long length;
+  readonly attribute unsigned long numberOfItems;
+
+  undefined clear();
+  SVGTransform initialize(SVGTransform newItem);
+  getter SVGTransform getItem(unsigned long index);
+  SVGTransform insertItemBefore(SVGTransform newItem, unsigned long index);
+  SVGTransform replaceItem(SVGTransform newItem, unsigned long index);
+  SVGTransform removeItem(unsigned long index);
+  SVGTransform appendItem(SVGTransform newItem);
+  setter undefined (unsigned long index, SVGTransform newItem);
+
+  // Additional methods not common to other list interfaces.
+  SVGTransform createSVGTransformFromMatrix(optional DOMMatrix2DInit matrix = {});
+  SVGTransform? consolidate();
+};
+
+[Exposed=Window]
+interface SVGAnimatedTransformList {
+  [SameObject] readonly attribute SVGTransformList baseVal;
+  [SameObject] readonly attribute SVGTransformList animVal;
+};
+
+[Exposed=Window]
+interface SVGPreserveAspectRatio {
+
+  // Alignment Types
+  const unsigned short SVG_PRESERVEASPECTRATIO_UNKNOWN = 0;
+  const unsigned short SVG_PRESERVEASPECTRATIO_NONE = 1;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMINYMIN = 2;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMIDYMIN = 3;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMAXYMIN = 4;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMINYMID = 5;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMIDYMID = 6;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMAXYMID = 7;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMINYMAX = 8;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMIDYMAX = 9;
+  const unsigned short SVG_PRESERVEASPECTRATIO_XMAXYMAX = 10;
+
+  // Meet-or-slice Types
+  const unsigned short SVG_MEETORSLICE_UNKNOWN = 0;
+  const unsigned short SVG_MEETORSLICE_MEET = 1;
+  const unsigned short SVG_MEETORSLICE_SLICE = 2;
+
+  attribute unsigned short align;
+  attribute unsigned short meetOrSlice;
+};
+
+[Exposed=Window]
+interface SVGAnimatedPreserveAspectRatio {
+  [SameObject] readonly attribute SVGPreserveAspectRatio baseVal;
+  [SameObject] readonly attribute SVGPreserveAspectRatio animVal;
+};
+
+[Exposed=Window]
+interface SVGRectElement : SVGGeometryElement {
+  [SameObject] readonly attribute SVGAnimatedLength x;
+  [SameObject] readonly attribute SVGAnimatedLength y;
+  [SameObject] readonly attribute SVGAnimatedLength width;
+  [SameObject] readonly attribute SVGAnimatedLength height;
+  [SameObject] readonly attribute SVGAnimatedLength rx;
+  [SameObject] readonly attribute SVGAnimatedLength ry;
+};
+
+[Exposed=Window]
+interface SVGCircleElement : SVGGeometryElement {
+  [SameObject] readonly attribute SVGAnimatedLength cx;
+  [SameObject] readonly attribute SVGAnimatedLength cy;
+  [SameObject] readonly attribute SVGAnimatedLength r;
+};
+
+[Exposed=Window]
+interface SVGEllipseElement : SVGGeometryElement {
+  [SameObject] readonly attribute SVGAnimatedLength cx;
+  [SameObject] readonly attribute SVGAnimatedLength cy;
+  [SameObject] readonly attribute SVGAnimatedLength rx;
+  [SameObject] readonly attribute SVGAnimatedLength ry;
+};
+
+[Exposed=Window]
+interface SVGLineElement : SVGGeometryElement {
+  [SameObject] readonly attribute SVGAnimatedLength x1;
+  [SameObject] readonly attribute SVGAnimatedLength y1;
+  [SameObject] readonly attribute SVGAnimatedLength x2;
+  [SameObject] readonly attribute SVGAnimatedLength y2;
+};
+
+interface mixin SVGAnimatedPoints {
+  [SameObject] readonly attribute SVGPointList points;
+  [SameObject] readonly attribute SVGPointList animatedPoints;
+};
+
+[Exposed=Window]
+interface SVGPointList {
+
+  readonly attribute unsigned long length;
+  readonly attribute unsigned long numberOfItems;
+
+  undefined clear();
+  DOMPoint initialize(DOMPoint newItem);
+  getter DOMPoint getItem(unsigned long index);
+  DOMPoint insertItemBefore(DOMPoint newItem, unsigned long index);
+  DOMPoint replaceItem(DOMPoint newItem, unsigned long index);
+  DOMPoint removeItem(unsigned long index);
+  DOMPoint appendItem(DOMPoint newItem);
+  setter undefined (unsigned long index, DOMPoint newItem);
+};
+
+[Exposed=Window]
+interface SVGPolylineElement : SVGGeometryElement {
+};
+
+SVGPolylineElement includes SVGAnimatedPoints;
+
+[Exposed=Window]
+interface SVGPolygonElement : SVGGeometryElement {
+};
+
+SVGPolygonElement includes SVGAnimatedPoints;
+
+[Exposed=Window]
+interface SVGTextContentElement : SVGGraphicsElement {
+
+  // lengthAdjust Types
+  const unsigned short LENGTHADJUST_UNKNOWN = 0;
+  const unsigned short LENGTHADJUST_SPACING = 1;
+  const unsigned short LENGTHADJUST_SPACINGANDGLYPHS = 2;
+
+  [SameObject] readonly attribute SVGAnimatedLength textLength;
+  [SameObject] readonly attribute SVGAnimatedEnumeration lengthAdjust;
+
+  long getNumberOfChars();
+  float getComputedTextLength();
+  float getSubStringLength(unsigned long charnum, unsigned long nchars);
+  DOMPoint getStartPositionOfChar(unsigned long charnum);
+  DOMPoint getEndPositionOfChar(unsigned long charnum);
+  DOMRect getExtentOfChar(unsigned long charnum);
+  float getRotationOfChar(unsigned long charnum);
+  long getCharNumAtPosition(optional DOMPointInit point = {});
+  undefined selectSubString(unsigned long charnum, unsigned long nchars);
+};
+
+[Exposed=Window]
+interface SVGTextPositioningElement : SVGTextContentElement {
+  [SameObject] readonly attribute SVGAnimatedLengthList x;
+  [SameObject] readonly attribute SVGAnimatedLengthList y;
+  [SameObject] readonly attribute SVGAnimatedLengthList dx;
+  [SameObject] readonly attribute SVGAnimatedLengthList dy;
+  [SameObject] readonly attribute SVGAnimatedNumberList rotate;
+};
+
+[Exposed=Window]
+interface SVGTextElement : SVGTextPositioningElement {
+};
+
+[Exposed=Window]
+interface SVGTSpanElement : SVGTextPositioningElement {
+};
+
+[Exposed=Window]
+interface SVGTextPathElement : SVGTextContentElement {
+
+  // textPath Method Types
+  const unsigned short TEXTPATH_METHODTYPE_UNKNOWN = 0;
+  const unsigned short TEXTPATH_METHODTYPE_ALIGN = 1;
+  const unsigned short TEXTPATH_METHODTYPE_STRETCH = 2;
+
+  // textPath Spacing Types
+  const unsigned short TEXTPATH_SPACINGTYPE_UNKNOWN = 0;
+  const unsigned short TEXTPATH_SPACINGTYPE_AUTO = 1;
+  const unsigned short TEXTPATH_SPACINGTYPE_EXACT = 2;
+
+  [SameObject] readonly attribute SVGAnimatedLength startOffset;
+  [SameObject] readonly attribute SVGAnimatedEnumeration method;
+  [SameObject] readonly attribute SVGAnimatedEnumeration spacing;
+};
+
+SVGTextPathElement includes SVGURIReference;
+
+[Exposed=Window]
+interface SVGImageElement : SVGGraphicsElement {
+  [SameObject] readonly attribute SVGAnimatedLength x;
+  [SameObject] readonly attribute SVGAnimatedLength y;
+  [SameObject] readonly attribute SVGAnimatedLength width;
+  [SameObject] readonly attribute SVGAnimatedLength height;
+  [SameObject] readonly attribute SVGAnimatedPreserveAspectRatio preserveAspectRatio;
+  attribute DOMString? crossOrigin;
+};
+
+SVGImageElement includes SVGURIReference;
+
+[Exposed=Window]
+interface SVGForeignObjectElement : SVGGraphicsElement {
+  [SameObject] readonly attribute SVGAnimatedLength x;
+  [SameObject] readonly attribute SVGAnimatedLength y;
+  [SameObject] readonly attribute SVGAnimatedLength width;
+  [SameObject] readonly attribute SVGAnimatedLength height;
+};
+
+[Exposed=Window]
+interface SVGMarkerElement : SVGElement {
+
+  // Marker Unit Types
+  const unsigned short SVG_MARKERUNITS_UNKNOWN = 0;
+  const unsigned short SVG_MARKERUNITS_USERSPACEONUSE = 1;
+  const unsigned short SVG_MARKERUNITS_STROKEWIDTH = 2;
+
+  // Marker Orientation Types
+  const unsigned short SVG_MARKER_ORIENT_UNKNOWN = 0;
+  const unsigned short SVG_MARKER_ORIENT_AUTO = 1;
+  const unsigned short SVG_MARKER_ORIENT_ANGLE = 2;
+
+  [SameObject] readonly attribute SVGAnimatedLength refX;
+  [SameObject] readonly attribute SVGAnimatedLength refY;
+  [SameObject] readonly attribute SVGAnimatedEnumeration markerUnits;
+  [SameObject] readonly attribute SVGAnimatedLength markerWidth;
+  [SameObject] readonly attribute SVGAnimatedLength markerHeight;
+  [SameObject] readonly attribute SVGAnimatedEnumeration orientType;
+  [SameObject] readonly attribute SVGAnimatedAngle orientAngle;
+  attribute DOMString orient;
+
+  undefined setOrientToAuto();
+  undefined setOrientToAngle(SVGAngle angle);
+};
+
+SVGMarkerElement includes SVGFitToViewBox;
+
+[Exposed=Window]
+interface SVGGradientElement : SVGElement {
+
+  // Spread Method Types
+  const unsigned short SVG_SPREADMETHOD_UNKNOWN = 0;
+  const unsigned short SVG_SPREADMETHOD_PAD = 1;
+  const unsigned short SVG_SPREADMETHOD_REFLECT = 2;
+  const unsigned short SVG_SPREADMETHOD_REPEAT = 3;
+
+  [SameObject] readonly attribute SVGAnimatedEnumeration gradientUnits;
+  [SameObject] readonly attribute SVGAnimatedTransformList gradientTransform;
+  [SameObject] readonly attribute SVGAnimatedEnumeration spreadMethod;
+};
+
+SVGGradientElement includes SVGURIReference;
+
+[Exposed=Window]
+interface SVGLinearGradientElement : SVGGradientElement {
+  [SameObject] readonly attribute SVGAnimatedLength x1;
+  [SameObject] readonly attribute SVGAnimatedLength y1;
+  [SameObject] readonly attribute SVGAnimatedLength x2;
+  [SameObject] readonly attribute SVGAnimatedLength y2;
+};
+
+[Exposed=Window]
+interface SVGRadialGradientElement : SVGGradientElement {
+  [SameObject] readonly attribute SVGAnimatedLength cx;
+  [SameObject] readonly attribute SVGAnimatedLength cy;
+  [SameObject] readonly attribute SVGAnimatedLength r;
+  [SameObject] readonly attribute SVGAnimatedLength fx;
+  [SameObject] readonly attribute SVGAnimatedLength fy;
+  [SameObject] readonly attribute SVGAnimatedLength fr;
+};
+
+[Exposed=Window]
+interface SVGStopElement : SVGElement {
+  [SameObject] readonly attribute SVGAnimatedNumber offset;
+};
+
+[Exposed=Window]
+interface SVGPatternElement : SVGElement {
+  [SameObject] readonly attribute SVGAnimatedEnumeration patternUnits;
+  [SameObject] readonly attribute SVGAnimatedEnumeration patternContentUnits;
+  [SameObject] readonly attribute SVGAnimatedTransformList patternTransform;
+  [SameObject] readonly attribute SVGAnimatedLength x;
+  [SameObject] readonly attribute SVGAnimatedLength y;
+  [SameObject] readonly attribute SVGAnimatedLength width;
+  [SameObject] readonly attribute SVGAnimatedLength height;
+};
+
+SVGPatternElement includes SVGFitToViewBox;
+SVGPatternElement includes SVGURIReference;
+
+[Exposed=Window]
+interface SVGScriptElement : SVGElement {
+  attribute DOMString type;
+  attribute DOMString? crossOrigin;
+};
+
+SVGScriptElement includes SVGURIReference;
+
+[Exposed=Window]
+interface SVGAElement : SVGGraphicsElement {
+  [SameObject] readonly attribute SVGAnimatedString target;
+  attribute DOMString download;
+  attribute USVString ping;
+  attribute DOMString rel;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+  attribute DOMString hreflang;
+  attribute DOMString type;
+
+  attribute DOMString text;
+
+  attribute DOMString referrerPolicy;
+};
+
+SVGAElement includes SVGURIReference;
+
+// Inline HTMLHyperlinkElementUtils except href, which conflicts.
+partial interface SVGAElement {
+  readonly attribute USVString origin;
+  [CEReactions] attribute USVString protocol;
+  [CEReactions] attribute USVString username;
+  [CEReactions] attribute USVString password;
+  [CEReactions] attribute USVString host;
+  [CEReactions] attribute USVString hostname;
+  [CEReactions] attribute USVString port;
+  [CEReactions] attribute USVString pathname;
+  [CEReactions] attribute USVString search;
+  [CEReactions] attribute USVString hash;
+};
+
+[Exposed=Window]
+interface SVGViewElement : SVGElement {};
+
+SVGViewElement includes SVGFitToViewBox;
diff --git a/Tests/LibWeb/Text/input/wpt-import/interfaces/cssom.idl b/Tests/LibWeb/Text/input/wpt-import/interfaces/cssom.idl
new file mode 100644
index 00000000000..7f9aefdb97e
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/interfaces/cssom.idl
@@ -0,0 +1,191 @@
+// GENERATED PREAMBLE - DO NOT EDIT
+// CSSOMString is an implementation-defined type of either DOMString or
+// USVString in CSSOM: https://drafts.csswg.org/cssom/#cssomstring-type
+// For web-platform-tests, use DOMString because USVString has additional
+// requirements in type conversion and could result in spurious failures for
+// implementations that use DOMString.
+typedef DOMString CSSOMString;
+
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: CSS Object Model (CSSOM) (https://drafts.csswg.org/cssom-1/)
+
+[Exposed=Window]
+interface MediaList {
+  stringifier attribute [LegacyNullToEmptyString] CSSOMString mediaText;
+  readonly attribute unsigned long length;
+  getter CSSOMString? item(unsigned long index);
+  undefined appendMedium(CSSOMString medium);
+  undefined deleteMedium(CSSOMString medium);
+};
+
+[Exposed=Window]
+interface StyleSheet {
+  readonly attribute CSSOMString type;
+  readonly attribute USVString? href;
+  readonly attribute (Element or ProcessingInstruction)? ownerNode;
+  readonly attribute CSSStyleSheet? parentStyleSheet;
+  readonly attribute DOMString? title;
+  [SameObject, PutForwards=mediaText] readonly attribute MediaList media;
+  attribute boolean disabled;
+};
+
+[Exposed=Window]
+interface CSSStyleSheet : StyleSheet {
+  constructor(optional CSSStyleSheetInit options = {});
+
+  readonly attribute CSSRule? ownerRule;
+  [SameObject] readonly attribute CSSRuleList cssRules;
+  unsigned long insertRule(CSSOMString rule, optional unsigned long index = 0);
+  undefined deleteRule(unsigned long index);
+
+  Promise<CSSStyleSheet> replace(USVString text);
+  undefined replaceSync(USVString text);
+};
+
+dictionary CSSStyleSheetInit {
+  DOMString baseURL = null;
+  (MediaList or DOMString) media = "";
+  boolean disabled = false;
+};
+
+partial interface CSSStyleSheet {
+  [SameObject] readonly attribute CSSRuleList rules;
+  long addRule(optional DOMString selector = "undefined", optional DOMString style = "undefined", optional unsigned long index);
+  undefined removeRule(optional unsigned long index = 0);
+};
+
+[Exposed=Window]
+interface StyleSheetList {
+  getter CSSStyleSheet? item(unsigned long index);
+  readonly attribute unsigned long length;
+};
+
+partial interface mixin DocumentOrShadowRoot {
+  [SameObject] readonly attribute StyleSheetList styleSheets;
+  attribute ObservableArray<CSSStyleSheet> adoptedStyleSheets;
+};
+
+interface mixin LinkStyle {
+  readonly attribute CSSStyleSheet? sheet;
+};
+
+ProcessingInstruction includes LinkStyle;
+[Exposed=Window]
+interface CSSRuleList {
+  getter CSSRule? item(unsigned long index);
+  readonly attribute unsigned long length;
+};
+
+[Exposed=Window]
+interface CSSRule {
+  attribute CSSOMString cssText;
+  readonly attribute CSSRule? parentRule;
+  readonly attribute CSSStyleSheet? parentStyleSheet;
+
+  // the following attribute and constants are historical
+  readonly attribute unsigned short type;
+  const unsigned short STYLE_RULE = 1;
+  const unsigned short CHARSET_RULE = 2;
+  const unsigned short IMPORT_RULE = 3;
+  const unsigned short MEDIA_RULE = 4;
+  const unsigned short FONT_FACE_RULE = 5;
+  const unsigned short PAGE_RULE = 6;
+  const unsigned short MARGIN_RULE = 9;
+  const unsigned short NAMESPACE_RULE = 10;
+};
+
+[Exposed=Window]
+interface CSSStyleRule : CSSGroupingRule {
+  attribute CSSOMString selectorText;
+  [SameObject, PutForwards=cssText] readonly attribute CSSStyleProperties style;
+};
+
+[Exposed=Window]
+interface CSSImportRule : CSSRule {
+  readonly attribute USVString href;
+  [SameObject, PutForwards=mediaText] readonly attribute MediaList media;
+  [SameObject] readonly attribute CSSStyleSheet? styleSheet;
+  readonly attribute CSSOMString? layerName;
+  readonly attribute CSSOMString? supportsText;
+};
+
+[Exposed=Window]
+interface CSSGroupingRule : CSSRule {
+  [SameObject] readonly attribute CSSRuleList cssRules;
+  unsigned long insertRule(CSSOMString rule, optional unsigned long index = 0);
+  undefined deleteRule(unsigned long index);
+};
+
+[Exposed=Window]
+interface CSSPageDescriptors : CSSStyleDeclaration {
+  attribute [LegacyNullToEmptyString] CSSOMString margin;
+  attribute [LegacyNullToEmptyString] CSSOMString marginTop;
+  attribute [LegacyNullToEmptyString] CSSOMString marginRight;
+  attribute [LegacyNullToEmptyString] CSSOMString marginBottom;
+  attribute [LegacyNullToEmptyString] CSSOMString marginLeft;
+  attribute [LegacyNullToEmptyString] CSSOMString margin-top;
+  attribute [LegacyNullToEmptyString] CSSOMString margin-right;
+  attribute [LegacyNullToEmptyString] CSSOMString margin-bottom;
+  attribute [LegacyNullToEmptyString] CSSOMString margin-left;
+  attribute [LegacyNullToEmptyString] CSSOMString size;
+  attribute [LegacyNullToEmptyString] CSSOMString pageOrientation;
+  attribute [LegacyNullToEmptyString] CSSOMString page-orientation;
+  attribute [LegacyNullToEmptyString] CSSOMString marks;
+  attribute [LegacyNullToEmptyString] CSSOMString bleed;
+};
+
+[Exposed=Window]
+interface CSSPageRule : CSSGroupingRule {
+           attribute CSSOMString selectorText;
+  [SameObject, PutForwards=cssText] readonly attribute CSSPageDescriptors style;
+};
+
+[Exposed=Window]
+interface CSSMarginRule : CSSRule {
+  readonly attribute CSSOMString name;
+  [SameObject, PutForwards=cssText] readonly attribute CSSStyleDeclaration style;
+};
+
+[Exposed=Window]
+interface CSSNamespaceRule : CSSRule {
+  readonly attribute CSSOMString namespaceURI;
+  readonly attribute CSSOMString prefix;
+};
+
+[Exposed=Window]
+interface CSSStyleDeclaration {
+  [CEReactions] attribute CSSOMString cssText;
+  readonly attribute unsigned long length;
+  getter CSSOMString item(unsigned long index);
+  CSSOMString getPropertyValue(CSSOMString property);
+  CSSOMString getPropertyPriority(CSSOMString property);
+  [CEReactions] undefined setProperty(CSSOMString property, [LegacyNullToEmptyString] CSSOMString value, optional [LegacyNullToEmptyString] CSSOMString priority = "");
+  [CEReactions] CSSOMString removeProperty(CSSOMString property);
+  readonly attribute CSSRule? parentRule;
+};
+
+[Exposed=Window]
+interface CSSStyleProperties : CSSStyleDeclaration {
+  [CEReactions] attribute [LegacyNullToEmptyString] CSSOMString cssFloat;
+};
+
+interface mixin ElementCSSInlineStyle {
+  [SameObject, PutForwards=cssText] readonly attribute CSSStyleDeclaration style;
+};
+
+HTMLElement includes ElementCSSInlineStyle;
+
+SVGElement includes ElementCSSInlineStyle;
+
+MathMLElement includes ElementCSSInlineStyle;
+
+partial interface Window {
+  [NewObject] CSSStyleDeclaration getComputedStyle(Element elt, optional CSSOMString? pseudoElt);
+};
+
+[Exposed=Window]
+namespace CSS {
+  CSSOMString escape(CSSOMString ident);
+};
diff --git a/Tests/LibWeb/Text/input/wpt-import/interfaces/html.idl b/Tests/LibWeb/Text/input/wpt-import/interfaces/html.idl
new file mode 100644
index 00000000000..102149c4dfa
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/interfaces/html.idl
@@ -0,0 +1,3046 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: HTML Standard (https://html.spec.whatwg.org/multipage/)
+
+[Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface HTMLAllCollection {
+  readonly attribute unsigned long length;
+  getter Element (unsigned long index);
+  getter (HTMLCollection or Element)? namedItem(DOMString name);
+  (HTMLCollection or Element)? item(optional DOMString nameOrIndex);
+
+  // Note: HTMLAllCollection objects have a custom [[Call]] internal method and an [[IsHTMLDDA]] internal slot.
+};
+
+[Exposed=Window]
+interface HTMLFormControlsCollection : HTMLCollection {
+  // inherits length and item()
+  getter (RadioNodeList or Element)? namedItem(DOMString name); // shadows inherited namedItem()
+};
+
+[Exposed=Window]
+interface RadioNodeList : NodeList {
+  attribute DOMString value;
+};
+
+[Exposed=Window]
+interface HTMLOptionsCollection : HTMLCollection {
+  // inherits item(), namedItem()
+  [CEReactions] attribute unsigned long length; // shadows inherited length
+  [CEReactions] setter undefined (unsigned long index, HTMLOptionElement? option);
+  [CEReactions] undefined add((HTMLOptionElement or HTMLOptGroupElement) element, optional (HTMLElement or long)? before = null);
+  [CEReactions] undefined remove(long index);
+  attribute long selectedIndex;
+};
+
+[Exposed=(Window,Worker)]
+interface DOMStringList {
+  readonly attribute unsigned long length;
+  getter DOMString? item(unsigned long index);
+  boolean contains(DOMString string);
+};
+
+enum DocumentReadyState { "loading", "interactive", "complete" };
+enum DocumentVisibilityState { "visible", "hidden" };
+typedef (HTMLScriptElement or SVGScriptElement) HTMLOrSVGScriptElement;
+
+[LegacyOverrideBuiltIns]
+partial interface Document {
+  static Document parseHTMLUnsafe((TrustedHTML or DOMString) html);
+
+  // resource metadata management
+  [PutForwards=href, LegacyUnforgeable] readonly attribute Location? location;
+  attribute USVString domain;
+  readonly attribute USVString referrer;
+  attribute USVString cookie;
+  readonly attribute DOMString lastModified;
+  readonly attribute DocumentReadyState readyState;
+
+  // DOM tree accessors
+  getter object (DOMString name);
+  [CEReactions] attribute DOMString title;
+  [CEReactions] attribute DOMString dir;
+  [CEReactions] attribute HTMLElement? body;
+  readonly attribute HTMLHeadElement? head;
+  [SameObject] readonly attribute HTMLCollection images;
+  [SameObject] readonly attribute HTMLCollection embeds;
+  [SameObject] readonly attribute HTMLCollection plugins;
+  [SameObject] readonly attribute HTMLCollection links;
+  [SameObject] readonly attribute HTMLCollection forms;
+  [SameObject] readonly attribute HTMLCollection scripts;
+  NodeList getElementsByName(DOMString elementName);
+  readonly attribute HTMLOrSVGScriptElement? currentScript; // classic scripts in a document tree only
+
+  // dynamic markup insertion
+  [CEReactions] Document open(optional DOMString unused1, optional DOMString unused2); // both arguments are ignored
+  WindowProxy? open(USVString url, DOMString name, DOMString features);
+  [CEReactions] undefined close();
+  [CEReactions] undefined write((TrustedHTML or DOMString)... text);
+  [CEReactions] undefined writeln((TrustedHTML or DOMString)... text);
+
+  // user interaction
+  readonly attribute WindowProxy? defaultView;
+  boolean hasFocus();
+  [CEReactions] attribute DOMString designMode;
+  [CEReactions] boolean execCommand(DOMString commandId, optional boolean showUI = false, optional DOMString value = "");
+  boolean queryCommandEnabled(DOMString commandId);
+  boolean queryCommandIndeterm(DOMString commandId);
+  boolean queryCommandState(DOMString commandId);
+  boolean queryCommandSupported(DOMString commandId);
+  DOMString queryCommandValue(DOMString commandId);
+  readonly attribute boolean hidden;
+  readonly attribute DocumentVisibilityState visibilityState;
+
+  // special event handler IDL attributes that only apply to Document objects
+  [LegacyLenientThis] attribute EventHandler onreadystatechange;
+  attribute EventHandler onvisibilitychange;
+
+  // also has obsolete members
+};
+Document includes GlobalEventHandlers;
+
+partial interface mixin DocumentOrShadowRoot {
+  readonly attribute Element? activeElement;
+};
+
+[Exposed=Window]
+interface HTMLElement : Element {
+  [HTMLConstructor] constructor();
+
+  // metadata attributes
+  [CEReactions] attribute DOMString title;
+  [CEReactions] attribute DOMString lang;
+  [CEReactions] attribute boolean translate;
+  [CEReactions] attribute DOMString dir;
+
+  // user interaction
+  [CEReactions] attribute (boolean or unrestricted double or DOMString)? hidden;
+  [CEReactions] attribute boolean inert;
+  undefined click();
+  [CEReactions] attribute DOMString accessKey;
+  readonly attribute DOMString accessKeyLabel;
+  [CEReactions] attribute boolean draggable;
+  [CEReactions] attribute boolean spellcheck;
+  [CEReactions] attribute DOMString writingSuggestions;
+  [CEReactions] attribute DOMString autocapitalize;
+  [CEReactions] attribute boolean autocorrect;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString innerText;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString outerText;
+
+  ElementInternals attachInternals();
+
+  // The popover API
+  undefined showPopover(optional ShowPopoverOptions options = {});
+  undefined hidePopover();
+  boolean togglePopover(optional (TogglePopoverOptions or boolean) options = {});
+  [CEReactions] attribute DOMString? popover;
+};
+
+dictionary ShowPopoverOptions {
+  HTMLElement source;
+};
+
+dictionary TogglePopoverOptions : ShowPopoverOptions {
+  boolean force;
+};
+
+HTMLElement includes GlobalEventHandlers;
+HTMLElement includes ElementContentEditable;
+HTMLElement includes HTMLOrSVGElement;
+
+[Exposed=Window]
+interface HTMLUnknownElement : HTMLElement {
+  // Note: intentionally no [HTMLConstructor]
+};
+
+interface mixin HTMLOrSVGElement {
+  [SameObject] readonly attribute DOMStringMap dataset;
+  attribute DOMString nonce; // intentionally no [CEReactions]
+
+  [CEReactions] attribute boolean autofocus;
+  [CEReactions] attribute long tabIndex;
+  undefined focus(optional FocusOptions options = {});
+  undefined blur();
+};
+
+[Exposed=Window,
+ LegacyOverrideBuiltIns]
+interface DOMStringMap {
+  getter DOMString (DOMString name);
+  [CEReactions] setter undefined (DOMString name, DOMString value);
+  [CEReactions] deleter undefined (DOMString name);
+};
+
+[Exposed=Window]
+interface HTMLHtmlElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLHeadElement : HTMLElement {
+  [HTMLConstructor] constructor();
+};
+
+[Exposed=Window]
+interface HTMLTitleElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString text;
+};
+
+[Exposed=Window]
+interface HTMLBaseElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString href;
+  [CEReactions] attribute DOMString target;
+};
+
+[Exposed=Window]
+interface HTMLLinkElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString href;
+  [CEReactions] attribute DOMString? crossOrigin;
+  [CEReactions] attribute DOMString rel;
+  [CEReactions] attribute DOMString as;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+  [CEReactions] attribute DOMString media;
+  [CEReactions] attribute DOMString integrity;
+  [CEReactions] attribute DOMString hreflang;
+  [CEReactions] attribute DOMString type;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList sizes;
+  [CEReactions] attribute USVString imageSrcset;
+  [CEReactions] attribute DOMString imageSizes;
+  [CEReactions] attribute DOMString referrerPolicy;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList blocking;
+  [CEReactions] attribute boolean disabled;
+  [CEReactions] attribute DOMString fetchPriority;
+
+  // also has obsolete members
+};
+HTMLLinkElement includes LinkStyle;
+
+[Exposed=Window]
+interface HTMLMetaElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString httpEquiv;
+  [CEReactions] attribute DOMString content;
+  [CEReactions] attribute DOMString media;
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLStyleElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  attribute boolean disabled;
+  [CEReactions] attribute DOMString media;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList blocking;
+
+  // also has obsolete members
+};
+HTMLStyleElement includes LinkStyle;
+
+[Exposed=Window]
+interface HTMLBodyElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+HTMLBodyElement includes WindowEventHandlers;
+
+[Exposed=Window]
+interface HTMLHeadingElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLParagraphElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLHRElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLPreElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLQuoteElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString cite;
+};
+
+[Exposed=Window]
+interface HTMLOListElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean reversed;
+  [CEReactions] attribute long start;
+  [CEReactions] attribute DOMString type;
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLUListElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLMenuElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLLIElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute long value;
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLDListElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLDivElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLAnchorElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString target;
+  [CEReactions] attribute DOMString download;
+  [CEReactions] attribute USVString ping;
+  [CEReactions] attribute DOMString rel;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+  [CEReactions] attribute DOMString hreflang;
+  [CEReactions] attribute DOMString type;
+
+  [CEReactions] attribute DOMString text;
+
+  [CEReactions] attribute DOMString referrerPolicy;
+
+  // also has obsolete members
+};
+HTMLAnchorElement includes HTMLHyperlinkElementUtils;
+
+[Exposed=Window]
+interface HTMLDataElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString value;
+};
+
+[Exposed=Window]
+interface HTMLTimeElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString dateTime;
+};
+
+[Exposed=Window]
+interface HTMLSpanElement : HTMLElement {
+  [HTMLConstructor] constructor();
+};
+
+[Exposed=Window]
+interface HTMLBRElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+interface mixin HTMLHyperlinkElementUtils {
+  [CEReactions] stringifier attribute USVString href;
+  readonly attribute USVString origin;
+  [CEReactions] attribute USVString protocol;
+  [CEReactions] attribute USVString username;
+  [CEReactions] attribute USVString password;
+  [CEReactions] attribute USVString host;
+  [CEReactions] attribute USVString hostname;
+  [CEReactions] attribute USVString port;
+  [CEReactions] attribute USVString pathname;
+  [CEReactions] attribute USVString search;
+  [CEReactions] attribute USVString hash;
+};
+
+[Exposed=Window]
+interface HTMLModElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString cite;
+  [CEReactions] attribute DOMString dateTime;
+};
+
+[Exposed=Window]
+interface HTMLPictureElement : HTMLElement {
+  [HTMLConstructor] constructor();
+};
+
+[Exposed=Window]
+interface HTMLSourceElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute USVString srcset;
+  [CEReactions] attribute DOMString sizes;
+  [CEReactions] attribute DOMString media;
+  [CEReactions] attribute unsigned long width;
+  [CEReactions] attribute unsigned long height;
+};
+
+[Exposed=Window,
+ LegacyFactoryFunction=Image(optional unsigned long width, optional unsigned long height)]
+interface HTMLImageElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString alt;
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute USVString srcset;
+  [CEReactions] attribute DOMString sizes;
+  [CEReactions] attribute DOMString? crossOrigin;
+  [CEReactions] attribute DOMString useMap;
+  [CEReactions] attribute boolean isMap;
+  [CEReactions] attribute unsigned long width;
+  [CEReactions] attribute unsigned long height;
+  readonly attribute unsigned long naturalWidth;
+  readonly attribute unsigned long naturalHeight;
+  readonly attribute boolean complete;
+  readonly attribute USVString currentSrc;
+  [CEReactions] attribute DOMString referrerPolicy;
+  [CEReactions] attribute DOMString decoding;
+  [CEReactions] attribute DOMString loading;
+  [CEReactions] attribute DOMString fetchPriority;
+
+  Promise<undefined> decode();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLIFrameElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute (TrustedHTML or DOMString) srcdoc;
+  [CEReactions] attribute DOMString name;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList sandbox;
+  [CEReactions] attribute DOMString allow;
+  [CEReactions] attribute boolean allowFullscreen;
+  [CEReactions] attribute DOMString width;
+  [CEReactions] attribute DOMString height;
+  [CEReactions] attribute DOMString referrerPolicy;
+  [CEReactions] attribute DOMString loading;
+  readonly attribute Document? contentDocument;
+  readonly attribute WindowProxy? contentWindow;
+  Document? getSVGDocument();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLEmbedElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString width;
+  [CEReactions] attribute DOMString height;
+  Document? getSVGDocument();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLObjectElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString data;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString name;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString width;
+  [CEReactions] attribute DOMString height;
+  readonly attribute Document? contentDocument;
+  readonly attribute WindowProxy? contentWindow;
+  Document? getSVGDocument();
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLVideoElement : HTMLMediaElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute unsigned long width;
+  [CEReactions] attribute unsigned long height;
+  readonly attribute unsigned long videoWidth;
+  readonly attribute unsigned long videoHeight;
+  [CEReactions] attribute USVString poster;
+  [CEReactions] attribute boolean playsInline;
+};
+
+[Exposed=Window,
+ LegacyFactoryFunction=Audio(optional DOMString src)]
+interface HTMLAudioElement : HTMLMediaElement {
+  [HTMLConstructor] constructor();
+};
+
+[Exposed=Window]
+interface HTMLTrackElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString kind;
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString srclang;
+  [CEReactions] attribute DOMString label;
+  [CEReactions] attribute boolean default;
+
+  const unsigned short NONE = 0;
+  const unsigned short LOADING = 1;
+  const unsigned short LOADED = 2;
+  const unsigned short ERROR = 3;
+  readonly attribute unsigned short readyState;
+
+  readonly attribute TextTrack track;
+};
+
+enum CanPlayTypeResult { "" /* empty string */, "maybe", "probably" };
+typedef (MediaStream or MediaSource or Blob) MediaProvider;
+
+[Exposed=Window]
+interface HTMLMediaElement : HTMLElement {
+
+  // error state
+  readonly attribute MediaError? error;
+
+  // network state
+  [CEReactions] attribute USVString src;
+  attribute MediaProvider? srcObject;
+  readonly attribute USVString currentSrc;
+  [CEReactions] attribute DOMString? crossOrigin;
+  const unsigned short NETWORK_EMPTY = 0;
+  const unsigned short NETWORK_IDLE = 1;
+  const unsigned short NETWORK_LOADING = 2;
+  const unsigned short NETWORK_NO_SOURCE = 3;
+  readonly attribute unsigned short networkState;
+  [CEReactions] attribute DOMString preload;
+  readonly attribute TimeRanges buffered;
+  undefined load();
+  CanPlayTypeResult canPlayType(DOMString type);
+
+  // ready state
+  const unsigned short HAVE_NOTHING = 0;
+  const unsigned short HAVE_METADATA = 1;
+  const unsigned short HAVE_CURRENT_DATA = 2;
+  const unsigned short HAVE_FUTURE_DATA = 3;
+  const unsigned short HAVE_ENOUGH_DATA = 4;
+  readonly attribute unsigned short readyState;
+  readonly attribute boolean seeking;
+
+  // playback state
+  attribute double currentTime;
+  undefined fastSeek(double time);
+  readonly attribute unrestricted double duration;
+  object getStartDate();
+  readonly attribute boolean paused;
+  attribute double defaultPlaybackRate;
+  attribute double playbackRate;
+  attribute boolean preservesPitch;
+  readonly attribute TimeRanges played;
+  readonly attribute TimeRanges seekable;
+  readonly attribute boolean ended;
+  [CEReactions] attribute boolean autoplay;
+  [CEReactions] attribute boolean loop;
+  Promise<undefined> play();
+  undefined pause();
+
+  // controls
+  [CEReactions] attribute boolean controls;
+  attribute double volume;
+  attribute boolean muted;
+  [CEReactions] attribute boolean defaultMuted;
+
+  // tracks
+  [SameObject] readonly attribute AudioTrackList audioTracks;
+  [SameObject] readonly attribute VideoTrackList videoTracks;
+  [SameObject] readonly attribute TextTrackList textTracks;
+  TextTrack addTextTrack(TextTrackKind kind, optional DOMString label = "", optional DOMString language = "");
+};
+
+[Exposed=Window]
+interface MediaError {
+  const unsigned short MEDIA_ERR_ABORTED = 1;
+  const unsigned short MEDIA_ERR_NETWORK = 2;
+  const unsigned short MEDIA_ERR_DECODE = 3;
+  const unsigned short MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
+
+  readonly attribute unsigned short code;
+  readonly attribute DOMString message;
+};
+
+[Exposed=Window]
+interface AudioTrackList : EventTarget {
+  readonly attribute unsigned long length;
+  getter AudioTrack (unsigned long index);
+  AudioTrack? getTrackById(DOMString id);
+
+  attribute EventHandler onchange;
+  attribute EventHandler onaddtrack;
+  attribute EventHandler onremovetrack;
+};
+
+[Exposed=Window]
+interface AudioTrack {
+  readonly attribute DOMString id;
+  readonly attribute DOMString kind;
+  readonly attribute DOMString label;
+  readonly attribute DOMString language;
+  attribute boolean enabled;
+};
+
+[Exposed=Window]
+interface VideoTrackList : EventTarget {
+  readonly attribute unsigned long length;
+  getter VideoTrack (unsigned long index);
+  VideoTrack? getTrackById(DOMString id);
+  readonly attribute long selectedIndex;
+
+  attribute EventHandler onchange;
+  attribute EventHandler onaddtrack;
+  attribute EventHandler onremovetrack;
+};
+
+[Exposed=Window]
+interface VideoTrack {
+  readonly attribute DOMString id;
+  readonly attribute DOMString kind;
+  readonly attribute DOMString label;
+  readonly attribute DOMString language;
+  attribute boolean selected;
+};
+
+[Exposed=Window]
+interface TextTrackList : EventTarget {
+  readonly attribute unsigned long length;
+  getter TextTrack (unsigned long index);
+  TextTrack? getTrackById(DOMString id);
+
+  attribute EventHandler onchange;
+  attribute EventHandler onaddtrack;
+  attribute EventHandler onremovetrack;
+};
+
+enum TextTrackMode { "disabled",  "hidden",  "showing" };
+enum TextTrackKind { "subtitles",  "captions",  "descriptions",  "chapters",  "metadata" };
+
+[Exposed=Window]
+interface TextTrack : EventTarget {
+  readonly attribute TextTrackKind kind;
+  readonly attribute DOMString label;
+  readonly attribute DOMString language;
+
+  readonly attribute DOMString id;
+  readonly attribute DOMString inBandMetadataTrackDispatchType;
+
+  attribute TextTrackMode mode;
+
+  readonly attribute TextTrackCueList? cues;
+  readonly attribute TextTrackCueList? activeCues;
+
+  undefined addCue(TextTrackCue cue);
+  undefined removeCue(TextTrackCue cue);
+
+  attribute EventHandler oncuechange;
+};
+
+[Exposed=Window]
+interface TextTrackCueList {
+  readonly attribute unsigned long length;
+  getter TextTrackCue (unsigned long index);
+  TextTrackCue? getCueById(DOMString id);
+};
+
+[Exposed=Window]
+interface TextTrackCue : EventTarget {
+  readonly attribute TextTrack? track;
+
+  attribute DOMString id;
+  attribute double startTime;
+  attribute unrestricted double endTime;
+  attribute boolean pauseOnExit;
+
+  attribute EventHandler onenter;
+  attribute EventHandler onexit;
+};
+
+[Exposed=Window]
+interface TimeRanges {
+  readonly attribute unsigned long length;
+  double start(unsigned long index);
+  double end(unsigned long index);
+};
+
+[Exposed=Window]
+interface TrackEvent : Event {
+  constructor(DOMString type, optional TrackEventInit eventInitDict = {});
+
+  readonly attribute (VideoTrack or AudioTrack or TextTrack)? track;
+};
+
+dictionary TrackEventInit : EventInit {
+  (VideoTrack or AudioTrack or TextTrack)? track = null;
+};
+
+[Exposed=Window]
+interface HTMLMapElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [SameObject] readonly attribute HTMLCollection areas;
+};
+
+[Exposed=Window]
+interface HTMLAreaElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString alt;
+  [CEReactions] attribute DOMString coords;
+  [CEReactions] attribute DOMString shape;
+  [CEReactions] attribute DOMString target;
+  [CEReactions] attribute DOMString download;
+  [CEReactions] attribute USVString ping;
+  [CEReactions] attribute DOMString rel;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+  [CEReactions] attribute DOMString referrerPolicy;
+
+  // also has obsolete members
+};
+HTMLAreaElement includes HTMLHyperlinkElementUtils;
+
+[Exposed=Window]
+interface HTMLTableElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute HTMLTableCaptionElement? caption;
+  HTMLTableCaptionElement createCaption();
+  [CEReactions] undefined deleteCaption();
+
+  [CEReactions] attribute HTMLTableSectionElement? tHead;
+  HTMLTableSectionElement createTHead();
+  [CEReactions] undefined deleteTHead();
+
+  [CEReactions] attribute HTMLTableSectionElement? tFoot;
+  HTMLTableSectionElement createTFoot();
+  [CEReactions] undefined deleteTFoot();
+
+  [SameObject] readonly attribute HTMLCollection tBodies;
+  HTMLTableSectionElement createTBody();
+
+  [SameObject] readonly attribute HTMLCollection rows;
+  HTMLTableRowElement insertRow(optional long index = -1);
+  [CEReactions] undefined deleteRow(long index);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableCaptionElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableColElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute unsigned long span;
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableSectionElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [SameObject] readonly attribute HTMLCollection rows;
+  HTMLTableRowElement insertRow(optional long index = -1);
+  [CEReactions] undefined deleteRow(long index);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableRowElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  readonly attribute long rowIndex;
+  readonly attribute long sectionRowIndex;
+  [SameObject] readonly attribute HTMLCollection cells;
+  HTMLTableCellElement insertCell(optional long index = -1);
+  [CEReactions] undefined deleteCell(long index);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTableCellElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute unsigned long colSpan;
+  [CEReactions] attribute unsigned long rowSpan;
+  [CEReactions] attribute DOMString headers;
+  readonly attribute long cellIndex;
+
+  [CEReactions] attribute DOMString scope; // only conforming for th elements
+  [CEReactions] attribute DOMString abbr;  // only conforming for th elements
+
+  // also has obsolete members
+};
+
+[Exposed=Window,
+ LegacyOverrideBuiltIns,
+ LegacyUnenumerableNamedProperties]
+interface HTMLFormElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString acceptCharset;
+  [CEReactions] attribute USVString action;
+  [CEReactions] attribute DOMString autocomplete;
+  [CEReactions] attribute DOMString enctype;
+  [CEReactions] attribute DOMString encoding;
+  [CEReactions] attribute DOMString method;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute boolean noValidate;
+  [CEReactions] attribute DOMString target;
+  [CEReactions] attribute DOMString rel;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
+
+  [SameObject] readonly attribute HTMLFormControlsCollection elements;
+  readonly attribute unsigned long length;
+  getter Element (unsigned long index);
+  getter (RadioNodeList or Element) (DOMString name);
+
+  undefined submit();
+  undefined requestSubmit(optional HTMLElement? submitter = null);
+  [CEReactions] undefined reset();
+  boolean checkValidity();
+  boolean reportValidity();
+};
+
+[Exposed=Window]
+interface HTMLLabelElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString htmlFor;
+  readonly attribute HTMLElement? control;
+};
+
+[Exposed=Window]
+interface HTMLInputElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString accept;
+  [CEReactions] attribute boolean alpha;
+  [CEReactions] attribute DOMString alt;
+  [CEReactions] attribute DOMString autocomplete;
+  [CEReactions] attribute boolean defaultChecked;
+  attribute boolean checked;
+  [CEReactions] attribute DOMString colorSpace;
+  [CEReactions] attribute DOMString dirName;
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  attribute FileList? files;
+  [CEReactions] attribute USVString formAction;
+  [CEReactions] attribute DOMString formEnctype;
+  [CEReactions] attribute DOMString formMethod;
+  [CEReactions] attribute boolean formNoValidate;
+  [CEReactions] attribute DOMString formTarget;
+  [CEReactions] attribute unsigned long height;
+  attribute boolean indeterminate;
+  readonly attribute HTMLDataListElement? list;
+  [CEReactions] attribute DOMString max;
+  [CEReactions] attribute long maxLength;
+  [CEReactions] attribute DOMString min;
+  [CEReactions] attribute long minLength;
+  [CEReactions] attribute boolean multiple;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString pattern;
+  [CEReactions] attribute DOMString placeholder;
+  [CEReactions] attribute boolean readOnly;
+  [CEReactions] attribute boolean required;
+  [CEReactions] attribute unsigned long size;
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString step;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString defaultValue;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString value;
+  attribute object? valueAsDate;
+  attribute unrestricted double valueAsNumber;
+  [CEReactions] attribute unsigned long width;
+
+  undefined stepUp(optional long n = 1);
+  undefined stepDown(optional long n = 1);
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList? labels;
+
+  undefined select();
+  attribute unsigned long? selectionStart;
+  attribute unsigned long? selectionEnd;
+  attribute DOMString? selectionDirection;
+  undefined setRangeText(DOMString replacement);
+  undefined setRangeText(DOMString replacement, unsigned long start, unsigned long end, optional SelectionMode selectionMode = "preserve");
+  undefined setSelectionRange(unsigned long start, unsigned long end, optional DOMString direction);
+
+  undefined showPicker();
+
+  // also has obsolete members
+};
+HTMLInputElement includes PopoverInvokerElement;
+
+[Exposed=Window]
+interface HTMLButtonElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString command;
+  [CEReactions] attribute Element? commandForElement;
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute USVString formAction;
+  [CEReactions] attribute DOMString formEnctype;
+  [CEReactions] attribute DOMString formMethod;
+  [CEReactions] attribute boolean formNoValidate;
+  [CEReactions] attribute DOMString formTarget;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString value;
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList labels;
+};
+HTMLButtonElement includes PopoverInvokerElement;
+
+[Exposed=Window]
+interface HTMLSelectElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString autocomplete;
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute boolean multiple;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute boolean required;
+  [CEReactions] attribute unsigned long size;
+
+  readonly attribute DOMString type;
+
+  [SameObject] readonly attribute HTMLOptionsCollection options;
+  [CEReactions] attribute unsigned long length;
+  getter HTMLOptionElement? item(unsigned long index);
+  HTMLOptionElement? namedItem(DOMString name);
+  [CEReactions] undefined add((HTMLOptionElement or HTMLOptGroupElement) element, optional (HTMLElement or long)? before = null);
+  [CEReactions] undefined remove(); // ChildNode overload
+  [CEReactions] undefined remove(long index);
+  [CEReactions] setter undefined (unsigned long index, HTMLOptionElement? option);
+
+  [SameObject] readonly attribute HTMLCollection selectedOptions;
+  attribute long selectedIndex;
+  attribute DOMString value;
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  undefined showPicker();
+
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLDataListElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [SameObject] readonly attribute HTMLCollection options;
+};
+
+[Exposed=Window]
+interface HTMLOptGroupElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean disabled;
+  [CEReactions] attribute DOMString label;
+};
+
+[Exposed=Window,
+ LegacyFactoryFunction=Option(optional DOMString text = "", optional DOMString value, optional boolean defaultSelected = false, optional boolean selected = false)]
+interface HTMLOptionElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString label;
+  [CEReactions] attribute boolean defaultSelected;
+  attribute boolean selected;
+  [CEReactions] attribute DOMString value;
+
+  [CEReactions] attribute DOMString text;
+  readonly attribute long index;
+};
+
+[Exposed=Window]
+interface HTMLTextAreaElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString autocomplete;
+  [CEReactions] attribute unsigned long cols;
+  [CEReactions] attribute DOMString dirName;
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute long maxLength;
+  [CEReactions] attribute long minLength;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString placeholder;
+  [CEReactions] attribute boolean readOnly;
+  [CEReactions] attribute boolean required;
+  [CEReactions] attribute unsigned long rows;
+  [CEReactions] attribute DOMString wrap;
+
+  readonly attribute DOMString type;
+  [CEReactions] attribute DOMString defaultValue;
+  attribute [LegacyNullToEmptyString] DOMString value;
+  readonly attribute unsigned long textLength;
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList labels;
+
+  undefined select();
+  attribute unsigned long selectionStart;
+  attribute unsigned long selectionEnd;
+  attribute DOMString selectionDirection;
+  undefined setRangeText(DOMString replacement);
+  undefined setRangeText(DOMString replacement, unsigned long start, unsigned long end, optional SelectionMode selectionMode = "preserve");
+  undefined setSelectionRange(unsigned long start, unsigned long end, optional DOMString direction);
+};
+
+[Exposed=Window]
+interface HTMLOutputElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList htmlFor;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString name;
+
+  readonly attribute DOMString type;
+  [CEReactions] attribute DOMString defaultValue;
+  [CEReactions] attribute DOMString value;
+
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLProgressElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute double value;
+  [CEReactions] attribute double max;
+  readonly attribute double position;
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLMeterElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute double value;
+  [CEReactions] attribute double min;
+  [CEReactions] attribute double max;
+  [CEReactions] attribute double low;
+  [CEReactions] attribute double high;
+  [CEReactions] attribute double optimum;
+  readonly attribute NodeList labels;
+};
+
+[Exposed=Window]
+interface HTMLFieldSetElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean disabled;
+  readonly attribute HTMLFormElement? form;
+  [CEReactions] attribute DOMString name;
+
+  readonly attribute DOMString type;
+
+  [SameObject] readonly attribute HTMLCollection elements;
+
+  readonly attribute boolean willValidate;
+  [SameObject] readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+  undefined setCustomValidity(DOMString error);
+};
+
+[Exposed=Window]
+interface HTMLLegendElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  readonly attribute HTMLFormElement? form;
+
+  // also has obsolete members
+};
+
+enum SelectionMode {
+  "select",
+  "start",
+  "end",
+  "preserve" // default
+};
+
+[Exposed=Window]
+interface ValidityState {
+  readonly attribute boolean valueMissing;
+  readonly attribute boolean typeMismatch;
+  readonly attribute boolean patternMismatch;
+  readonly attribute boolean tooLong;
+  readonly attribute boolean tooShort;
+  readonly attribute boolean rangeUnderflow;
+  readonly attribute boolean rangeOverflow;
+  readonly attribute boolean stepMismatch;
+  readonly attribute boolean badInput;
+  readonly attribute boolean customError;
+  readonly attribute boolean valid;
+};
+
+[Exposed=Window]
+interface SubmitEvent : Event {
+  constructor(DOMString type, optional SubmitEventInit eventInitDict = {});
+
+  readonly attribute HTMLElement? submitter;
+};
+
+dictionary SubmitEventInit : EventInit {
+  HTMLElement? submitter = null;
+};
+
+[Exposed=Window]
+interface FormDataEvent : Event {
+  constructor(DOMString type, FormDataEventInit eventInitDict);
+
+  readonly attribute FormData formData;
+};
+
+dictionary FormDataEventInit : EventInit {
+  required FormData formData;
+};
+
+[Exposed=Window]
+interface HTMLDetailsElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute boolean open;
+};
+
+[Exposed=Window]
+interface HTMLDialogElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean open;
+  attribute DOMString returnValue;
+  [CEReactions] attribute DOMString closedBy;
+  [CEReactions] undefined show();
+  [CEReactions] undefined showModal();
+  [CEReactions] undefined close(optional DOMString returnValue);
+  [CEReactions] undefined requestClose(optional DOMString returnValue);
+};
+
+[Exposed=Window]
+interface HTMLScriptElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute boolean noModule;
+  [CEReactions] attribute boolean async;
+  [CEReactions] attribute boolean defer;
+  [CEReactions] attribute DOMString? crossOrigin;
+  [CEReactions] attribute DOMString text;
+  [CEReactions] attribute DOMString integrity;
+  [CEReactions] attribute DOMString referrerPolicy;
+  [SameObject, PutForwards=value] readonly attribute DOMTokenList blocking;
+  [CEReactions] attribute DOMString fetchPriority;
+
+  static boolean supports(DOMString type);
+
+  // also has obsolete members
+};
+
+[Exposed=Window]
+interface HTMLTemplateElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  readonly attribute DocumentFragment content;
+  [CEReactions] attribute DOMString shadowRootMode;
+  [CEReactions] attribute boolean shadowRootDelegatesFocus;
+  [CEReactions] attribute boolean shadowRootClonable;
+  [CEReactions] attribute boolean shadowRootSerializable;
+  [CEReactions] attribute DOMString shadowRootCustomElementRegistry;
+};
+
+[Exposed=Window]
+interface HTMLSlotElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  sequence<Node> assignedNodes(optional AssignedNodesOptions options = {});
+  sequence<Element> assignedElements(optional AssignedNodesOptions options = {});
+  undefined assign((Element or Text)... nodes);
+};
+
+dictionary AssignedNodesOptions {
+  boolean flatten = false;
+};
+
+typedef (CanvasRenderingContext2D or ImageBitmapRenderingContext or WebGLRenderingContext or WebGL2RenderingContext or GPUCanvasContext) RenderingContext;
+
+[Exposed=Window]
+interface HTMLCanvasElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute unsigned long width;
+  [CEReactions] attribute unsigned long height;
+
+  RenderingContext? getContext(DOMString contextId, optional any options = null);
+
+  USVString toDataURL(optional DOMString type = "image/png", optional any quality);
+  undefined toBlob(BlobCallback _callback, optional DOMString type = "image/png", optional any quality);
+  OffscreenCanvas transferControlToOffscreen();
+};
+
+callback BlobCallback = undefined (Blob? blob);
+
+typedef (HTMLImageElement or
+         SVGImageElement) HTMLOrSVGImageElement;
+
+typedef (HTMLOrSVGImageElement or
+         HTMLVideoElement or
+         HTMLCanvasElement or
+         ImageBitmap or
+         OffscreenCanvas or
+         VideoFrame) CanvasImageSource;
+
+enum PredefinedColorSpace { "srgb", "display-p3" };
+
+enum CanvasColorType { "unorm8", "float16" };
+
+enum CanvasFillRule { "nonzero", "evenodd" };
+
+dictionary CanvasRenderingContext2DSettings {
+  boolean alpha = true;
+  boolean desynchronized = false;
+  PredefinedColorSpace colorSpace = "srgb";
+  CanvasColorType colorType = "unorm8";
+  boolean willReadFrequently = false;
+};
+
+enum ImageSmoothingQuality { "low", "medium", "high" };
+
+[Exposed=Window]
+interface CanvasRenderingContext2D {
+  // back-reference to the canvas
+  readonly attribute HTMLCanvasElement canvas;
+};
+CanvasRenderingContext2D includes CanvasSettings;
+CanvasRenderingContext2D includes CanvasState;
+CanvasRenderingContext2D includes CanvasTransform;
+CanvasRenderingContext2D includes CanvasCompositing;
+CanvasRenderingContext2D includes CanvasImageSmoothing;
+CanvasRenderingContext2D includes CanvasFillStrokeStyles;
+CanvasRenderingContext2D includes CanvasShadowStyles;
+CanvasRenderingContext2D includes CanvasFilters;
+CanvasRenderingContext2D includes CanvasRect;
+CanvasRenderingContext2D includes CanvasDrawPath;
+CanvasRenderingContext2D includes CanvasUserInterface;
+CanvasRenderingContext2D includes CanvasText;
+CanvasRenderingContext2D includes CanvasDrawImage;
+CanvasRenderingContext2D includes CanvasImageData;
+CanvasRenderingContext2D includes CanvasPathDrawingStyles;
+CanvasRenderingContext2D includes CanvasTextDrawingStyles;
+CanvasRenderingContext2D includes CanvasPath;
+
+interface mixin CanvasSettings {
+  // settings
+  CanvasRenderingContext2DSettings getContextAttributes();
+};
+
+interface mixin CanvasState {
+  // state
+  undefined save(); // push state on state stack
+  undefined restore(); // pop state stack and restore state
+  undefined reset(); // reset the rendering context to its default state
+  boolean isContextLost(); // return whether context is lost
+};
+
+interface mixin CanvasTransform {
+  // transformations (default transform is the identity matrix)
+  undefined scale(unrestricted double x, unrestricted double y);
+  undefined rotate(unrestricted double angle);
+  undefined translate(unrestricted double x, unrestricted double y);
+  undefined transform(unrestricted double a, unrestricted double b, unrestricted double c, unrestricted double d, unrestricted double e, unrestricted double f);
+
+  [NewObject] DOMMatrix getTransform();
+  undefined setTransform(unrestricted double a, unrestricted double b, unrestricted double c, unrestricted double d, unrestricted double e, unrestricted double f);
+  undefined setTransform(optional DOMMatrix2DInit transform = {});
+  undefined resetTransform();
+
+};
+
+interface mixin CanvasCompositing {
+  // compositing
+  attribute unrestricted double globalAlpha; // (default 1.0)
+  attribute DOMString globalCompositeOperation; // (default "source-over")
+};
+
+interface mixin CanvasImageSmoothing {
+  // image smoothing
+  attribute boolean imageSmoothingEnabled; // (default true)
+  attribute ImageSmoothingQuality imageSmoothingQuality; // (default low)
+
+};
+
+interface mixin CanvasFillStrokeStyles {
+  // colors and styles (see also the CanvasPathDrawingStyles and CanvasTextDrawingStyles interfaces)
+  attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle; // (default black)
+  attribute (DOMString or CanvasGradient or CanvasPattern) fillStyle; // (default black)
+  CanvasGradient createLinearGradient(double x0, double y0, double x1, double y1);
+  CanvasGradient createRadialGradient(double x0, double y0, double r0, double x1, double y1, double r1);
+  CanvasGradient createConicGradient(double startAngle, double x, double y);
+  CanvasPattern? createPattern(CanvasImageSource image, [LegacyNullToEmptyString] DOMString repetition);
+
+};
+
+interface mixin CanvasShadowStyles {
+  // shadows
+  attribute unrestricted double shadowOffsetX; // (default 0)
+  attribute unrestricted double shadowOffsetY; // (default 0)
+  attribute unrestricted double shadowBlur; // (default 0)
+  attribute DOMString shadowColor; // (default transparent black)
+};
+
+interface mixin CanvasFilters {
+  // filters
+  attribute DOMString filter; // (default "none")
+};
+
+interface mixin CanvasRect {
+  // rects
+  undefined clearRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
+  undefined fillRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
+  undefined strokeRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
+};
+
+interface mixin CanvasDrawPath {
+  // path API (see also CanvasPath)
+  undefined beginPath();
+  undefined fill(optional CanvasFillRule fillRule = "nonzero");
+  undefined fill(Path2D path, optional CanvasFillRule fillRule = "nonzero");
+  undefined stroke();
+  undefined stroke(Path2D path);
+  undefined clip(optional CanvasFillRule fillRule = "nonzero");
+  undefined clip(Path2D path, optional CanvasFillRule fillRule = "nonzero");
+  boolean isPointInPath(unrestricted double x, unrestricted double y, optional CanvasFillRule fillRule = "nonzero");
+  boolean isPointInPath(Path2D path, unrestricted double x, unrestricted double y, optional CanvasFillRule fillRule = "nonzero");
+  boolean isPointInStroke(unrestricted double x, unrestricted double y);
+  boolean isPointInStroke(Path2D path, unrestricted double x, unrestricted double y);
+};
+
+interface mixin CanvasUserInterface {
+  undefined drawFocusIfNeeded(Element element);
+  undefined drawFocusIfNeeded(Path2D path, Element element);
+};
+
+interface mixin CanvasText {
+  // text (see also the CanvasPathDrawingStyles and CanvasTextDrawingStyles interfaces)
+  undefined fillText(DOMString text, unrestricted double x, unrestricted double y, optional unrestricted double maxWidth);
+  undefined strokeText(DOMString text, unrestricted double x, unrestricted double y, optional unrestricted double maxWidth);
+  TextMetrics measureText(DOMString text);
+};
+
+interface mixin CanvasDrawImage {
+  // drawing images
+  undefined drawImage(CanvasImageSource image, unrestricted double dx, unrestricted double dy);
+  undefined drawImage(CanvasImageSource image, unrestricted double dx, unrestricted double dy, unrestricted double dw, unrestricted double dh);
+  undefined drawImage(CanvasImageSource image, unrestricted double sx, unrestricted double sy, unrestricted double sw, unrestricted double sh, unrestricted double dx, unrestricted double dy, unrestricted double dw, unrestricted double dh);
+};
+
+interface mixin CanvasImageData {
+  // pixel manipulation
+  ImageData createImageData([EnforceRange] long sw, [EnforceRange] long sh, optional ImageDataSettings settings = {});
+  ImageData createImageData(ImageData imageData);
+  ImageData getImageData([EnforceRange] long sx, [EnforceRange] long sy, [EnforceRange] long sw, [EnforceRange] long sh, optional ImageDataSettings settings = {});
+  undefined putImageData(ImageData imageData, [EnforceRange] long dx, [EnforceRange] long dy);
+  undefined putImageData(ImageData imageData, [EnforceRange] long dx, [EnforceRange] long dy, [EnforceRange] long dirtyX, [EnforceRange] long dirtyY, [EnforceRange] long dirtyWidth, [EnforceRange] long dirtyHeight);
+};
+
+enum CanvasLineCap { "butt", "round", "square" };
+enum CanvasLineJoin { "round", "bevel", "miter" };
+enum CanvasTextAlign { "start", "end", "left", "right", "center" };
+enum CanvasTextBaseline { "top", "hanging", "middle", "alphabetic", "ideographic", "bottom" };
+enum CanvasDirection { "ltr", "rtl", "inherit" };
+enum CanvasFontKerning { "auto", "normal", "none" };
+enum CanvasFontStretch { "ultra-condensed", "extra-condensed", "condensed", "semi-condensed", "normal", "semi-expanded", "expanded", "extra-expanded", "ultra-expanded" };
+enum CanvasFontVariantCaps { "normal", "small-caps", "all-small-caps", "petite-caps", "all-petite-caps", "unicase", "titling-caps" };
+enum CanvasTextRendering { "auto", "optimizeSpeed", "optimizeLegibility", "geometricPrecision" };
+
+interface mixin CanvasPathDrawingStyles {
+  // line caps/joins
+  attribute unrestricted double lineWidth; // (default 1)
+  attribute CanvasLineCap lineCap; // (default "butt")
+  attribute CanvasLineJoin lineJoin; // (default "miter")
+  attribute unrestricted double miterLimit; // (default 10)
+
+  // dashed lines
+  undefined setLineDash(sequence<unrestricted double> segments); // default empty
+  sequence<unrestricted double> getLineDash();
+  attribute unrestricted double lineDashOffset;
+};
+
+interface mixin CanvasTextDrawingStyles {
+  // text
+  attribute DOMString lang; // (default: "inherit")
+  attribute DOMString font; // (default 10px sans-serif)
+  attribute CanvasTextAlign textAlign; // (default: "start")
+  attribute CanvasTextBaseline textBaseline; // (default: "alphabetic")
+  attribute CanvasDirection direction; // (default: "inherit")
+  attribute DOMString letterSpacing; // (default: "0px")
+  attribute CanvasFontKerning fontKerning; // (default: "auto")
+  attribute CanvasFontStretch fontStretch; // (default: "normal")
+  attribute CanvasFontVariantCaps fontVariantCaps; // (default: "normal")
+  attribute CanvasTextRendering textRendering; // (default: "auto")
+  attribute DOMString wordSpacing; // (default: "0px")
+};
+
+interface mixin CanvasPath {
+  // shared path API methods
+  undefined closePath();
+  undefined moveTo(unrestricted double x, unrestricted double y);
+  undefined lineTo(unrestricted double x, unrestricted double y);
+  undefined quadraticCurveTo(unrestricted double cpx, unrestricted double cpy, unrestricted double x, unrestricted double y);
+  undefined bezierCurveTo(unrestricted double cp1x, unrestricted double cp1y, unrestricted double cp2x, unrestricted double cp2y, unrestricted double x, unrestricted double y);
+  undefined arcTo(unrestricted double x1, unrestricted double y1, unrestricted double x2, unrestricted double y2, unrestricted double radius);
+  undefined rect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h);
+  undefined roundRect(unrestricted double x, unrestricted double y, unrestricted double w, unrestricted double h, optional (unrestricted double or DOMPointInit or sequence<(unrestricted double or DOMPointInit)>) radii = 0);
+  undefined arc(unrestricted double x, unrestricted double y, unrestricted double radius, unrestricted double startAngle, unrestricted double endAngle, optional boolean counterclockwise = false);
+  undefined ellipse(unrestricted double x, unrestricted double y, unrestricted double radiusX, unrestricted double radiusY, unrestricted double rotation, unrestricted double startAngle, unrestricted double endAngle, optional boolean counterclockwise = false);
+};
+
+[Exposed=(Window,Worker)]
+interface CanvasGradient {
+  // opaque object
+  undefined addColorStop(double offset, DOMString color);
+};
+
+[Exposed=(Window,Worker)]
+interface CanvasPattern {
+  // opaque object
+  undefined setTransform(optional DOMMatrix2DInit transform = {});
+};
+
+[Exposed=(Window,Worker)]
+interface TextMetrics {
+  // x-direction
+  readonly attribute double width; // advance width
+  readonly attribute double actualBoundingBoxLeft;
+  readonly attribute double actualBoundingBoxRight;
+
+  // y-direction
+  readonly attribute double fontBoundingBoxAscent;
+  readonly attribute double fontBoundingBoxDescent;
+  readonly attribute double actualBoundingBoxAscent;
+  readonly attribute double actualBoundingBoxDescent;
+  readonly attribute double emHeightAscent;
+  readonly attribute double emHeightDescent;
+  readonly attribute double hangingBaseline;
+  readonly attribute double alphabeticBaseline;
+  readonly attribute double ideographicBaseline;
+};
+
+typedef (Uint8ClampedArray or Float16Array) ImageDataArray;
+
+enum ImageDataPixelFormat { "rgba-unorm8", "rgba-float16" };
+
+dictionary ImageDataSettings {
+  PredefinedColorSpace colorSpace;
+  ImageDataPixelFormat pixelFormat = "rgba-unorm8";
+};
+
+[Exposed=(Window,Worker),
+ Serializable]
+interface ImageData {
+  constructor(unsigned long sw, unsigned long sh, optional ImageDataSettings settings = {});
+  constructor(ImageDataArray data, unsigned long sw, optional unsigned long sh, optional ImageDataSettings settings = {});
+
+  readonly attribute unsigned long width;
+  readonly attribute unsigned long height;
+  readonly attribute ImageDataArray data;
+  readonly attribute ImageDataPixelFormat pixelFormat;
+  readonly attribute PredefinedColorSpace colorSpace;
+};
+
+[Exposed=(Window,Worker)]
+interface Path2D {
+  constructor(optional (Path2D or DOMString) path);
+
+  undefined addPath(Path2D path, optional DOMMatrix2DInit transform = {});
+};
+Path2D includes CanvasPath;
+
+[Exposed=(Window,Worker)]
+interface ImageBitmapRenderingContext {
+  readonly attribute (HTMLCanvasElement or OffscreenCanvas) canvas;
+  undefined transferFromImageBitmap(ImageBitmap? bitmap);
+};
+
+dictionary ImageBitmapRenderingContextSettings {
+  boolean alpha = true;
+};
+
+typedef (OffscreenCanvasRenderingContext2D or ImageBitmapRenderingContext or WebGLRenderingContext or WebGL2RenderingContext or GPUCanvasContext) OffscreenRenderingContext;
+
+dictionary ImageEncodeOptions {
+  DOMString type = "image/png";
+  unrestricted double quality;
+};
+
+enum OffscreenRenderingContextId { "2d", "bitmaprenderer", "webgl", "webgl2", "webgpu" };
+
+[Exposed=(Window,Worker), Transferable]
+interface OffscreenCanvas : EventTarget {
+  constructor([EnforceRange] unsigned long long width, [EnforceRange] unsigned long long height);
+
+  attribute [EnforceRange] unsigned long long width;
+  attribute [EnforceRange] unsigned long long height;
+
+  OffscreenRenderingContext? getContext(OffscreenRenderingContextId contextId, optional any options = null);
+  ImageBitmap transferToImageBitmap();
+  Promise<Blob> convertToBlob(optional ImageEncodeOptions options = {});
+
+  attribute EventHandler oncontextlost;
+  attribute EventHandler oncontextrestored;
+};
+
+[Exposed=(Window,Worker)]
+interface OffscreenCanvasRenderingContext2D {
+  readonly attribute OffscreenCanvas canvas;
+};
+
+OffscreenCanvasRenderingContext2D includes CanvasSettings;
+OffscreenCanvasRenderingContext2D includes CanvasState;
+OffscreenCanvasRenderingContext2D includes CanvasTransform;
+OffscreenCanvasRenderingContext2D includes CanvasCompositing;
+OffscreenCanvasRenderingContext2D includes CanvasImageSmoothing;
+OffscreenCanvasRenderingContext2D includes CanvasFillStrokeStyles;
+OffscreenCanvasRenderingContext2D includes CanvasShadowStyles;
+OffscreenCanvasRenderingContext2D includes CanvasFilters;
+OffscreenCanvasRenderingContext2D includes CanvasRect;
+OffscreenCanvasRenderingContext2D includes CanvasDrawPath;
+OffscreenCanvasRenderingContext2D includes CanvasText;
+OffscreenCanvasRenderingContext2D includes CanvasDrawImage;
+OffscreenCanvasRenderingContext2D includes CanvasImageData;
+OffscreenCanvasRenderingContext2D includes CanvasPathDrawingStyles;
+OffscreenCanvasRenderingContext2D includes CanvasTextDrawingStyles;
+OffscreenCanvasRenderingContext2D includes CanvasPath;
+
+[Exposed=Window]
+interface CustomElementRegistry {
+  constructor();
+
+  [CEReactions] undefined define(DOMString name, CustomElementConstructor constructor, optional ElementDefinitionOptions options = {});
+  (CustomElementConstructor or undefined) get(DOMString name);
+  DOMString? getName(CustomElementConstructor constructor);
+  Promise<CustomElementConstructor> whenDefined(DOMString name);
+  [CEReactions] undefined upgrade(Node root);
+  undefined initialize(Node root);
+};
+
+callback CustomElementConstructor = HTMLElement ();
+
+dictionary ElementDefinitionOptions {
+  DOMString extends;
+};
+
+[Exposed=Window]
+interface ElementInternals {
+  // Shadow root access
+  readonly attribute ShadowRoot? shadowRoot;
+
+  // Form-associated custom elements
+  undefined setFormValue((File or USVString or FormData)? value,
+                         optional (File or USVString or FormData)? state);
+
+  readonly attribute HTMLFormElement? form;
+
+  undefined setValidity(optional ValidityStateFlags flags = {},
+                        optional DOMString message,
+                        optional HTMLElement anchor);
+  readonly attribute boolean willValidate;
+  readonly attribute ValidityState validity;
+  readonly attribute DOMString validationMessage;
+  boolean checkValidity();
+  boolean reportValidity();
+
+  readonly attribute NodeList labels;
+
+  // Custom state pseudo-class
+  [SameObject] readonly attribute CustomStateSet states;
+};
+
+// Accessibility semantics
+ElementInternals includes ARIAMixin;
+
+dictionary ValidityStateFlags {
+  boolean valueMissing = false;
+  boolean typeMismatch = false;
+  boolean patternMismatch = false;
+  boolean tooLong = false;
+  boolean tooShort = false;
+  boolean rangeUnderflow = false;
+  boolean rangeOverflow = false;
+  boolean stepMismatch = false;
+  boolean badInput = false;
+  boolean customError = false;
+};
+
+[Exposed=Window]
+interface CustomStateSet {
+  setlike<DOMString>;
+};
+
+[Exposed=(Window)]
+interface VisibilityStateEntry : PerformanceEntry {
+  readonly attribute DOMString name;                 // shadows inherited name
+  readonly attribute DOMString entryType;            // shadows inherited entryType
+  readonly attribute DOMHighResTimeStamp startTime;  // shadows inherited startTime
+  readonly attribute unsigned long duration;         // shadows inherited duration
+};
+
+[Exposed=Window]
+interface UserActivation {
+  readonly attribute boolean hasBeenActive;
+  readonly attribute boolean isActive;
+};
+
+partial interface Navigator {
+  [SameObject] readonly attribute UserActivation userActivation;
+};
+
+[Exposed=Window]
+interface ToggleEvent : Event {
+  constructor(DOMString type, optional ToggleEventInit eventInitDict = {});
+  readonly attribute DOMString oldState;
+  readonly attribute DOMString newState;
+};
+
+dictionary ToggleEventInit : EventInit {
+  DOMString oldState = "";
+  DOMString newState = "";
+};
+
+[Exposed=Window]
+interface CommandEvent : Event {
+  constructor(DOMString type, optional CommandEventInit eventInitDict = {});
+  readonly attribute Element? source;
+  readonly attribute DOMString command;
+};
+
+dictionary CommandEventInit : EventInit {
+  Element? source = null;
+  DOMString command = "";
+};
+
+dictionary FocusOptions {
+  boolean preventScroll = false;
+  boolean focusVisible;
+};
+
+interface mixin ElementContentEditable {
+  [CEReactions] attribute DOMString contentEditable;
+  [CEReactions] attribute DOMString enterKeyHint;
+  readonly attribute boolean isContentEditable;
+  [CEReactions] attribute DOMString inputMode;
+};
+
+[Exposed=Window]
+interface CloseWatcher : EventTarget {
+  constructor(optional CloseWatcherOptions options = {});
+
+  undefined requestClose();
+  undefined close();
+  undefined destroy();
+
+  attribute EventHandler oncancel;
+  attribute EventHandler onclose;
+};
+
+dictionary CloseWatcherOptions {
+  AbortSignal signal;
+};
+
+[Exposed=Window]
+interface DataTransfer {
+  constructor();
+
+  attribute DOMString dropEffect;
+  attribute DOMString effectAllowed;
+
+  [SameObject] readonly attribute DataTransferItemList items;
+
+  undefined setDragImage(Element image, long x, long y);
+
+  /* old interface */
+  readonly attribute FrozenArray<DOMString> types;
+  DOMString getData(DOMString format);
+  undefined setData(DOMString format, DOMString data);
+  undefined clearData(optional DOMString format);
+  [SameObject] readonly attribute FileList files;
+};
+
+[Exposed=Window]
+interface DataTransferItemList {
+  readonly attribute unsigned long length;
+  getter DataTransferItem (unsigned long index);
+  DataTransferItem? add(DOMString data, DOMString type);
+  DataTransferItem? add(File data);
+  undefined remove(unsigned long index);
+  undefined clear();
+};
+
+[Exposed=Window]
+interface DataTransferItem {
+  readonly attribute DOMString kind;
+  readonly attribute DOMString type;
+  undefined getAsString(FunctionStringCallback? _callback);
+  File? getAsFile();
+};
+
+callback FunctionStringCallback = undefined (DOMString data);
+
+[Exposed=Window]
+interface DragEvent : MouseEvent {
+  constructor(DOMString type, optional DragEventInit eventInitDict = {});
+
+  readonly attribute DataTransfer? dataTransfer;
+};
+
+dictionary DragEventInit : MouseEventInit {
+  DataTransfer? dataTransfer = null;
+};
+
+interface mixin PopoverInvokerElement {
+  [CEReactions] attribute Element? popoverTargetElement;
+  [CEReactions] attribute DOMString popoverTargetAction;
+};
+
+[Global=Window,
+ Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface Window : EventTarget {
+  // the current browsing context
+  [LegacyUnforgeable] readonly attribute WindowProxy window;
+  [Replaceable] readonly attribute WindowProxy self;
+  [LegacyUnforgeable] readonly attribute Document document;
+  attribute DOMString name;
+  [PutForwards=href, LegacyUnforgeable] readonly attribute Location location;
+  readonly attribute History history;
+  readonly attribute Navigation navigation;
+  readonly attribute CustomElementRegistry customElements;
+  [Replaceable] readonly attribute BarProp locationbar;
+  [Replaceable] readonly attribute BarProp menubar;
+  [Replaceable] readonly attribute BarProp personalbar;
+  [Replaceable] readonly attribute BarProp scrollbars;
+  [Replaceable] readonly attribute BarProp statusbar;
+  [Replaceable] readonly attribute BarProp toolbar;
+  attribute DOMString status;
+  undefined close();
+  readonly attribute boolean closed;
+  undefined stop();
+  undefined focus();
+  undefined blur();
+
+  // other browsing contexts
+  [Replaceable] readonly attribute WindowProxy frames;
+  [Replaceable] readonly attribute unsigned long length;
+  [LegacyUnforgeable] readonly attribute WindowProxy? top;
+  attribute any opener;
+  [Replaceable] readonly attribute WindowProxy? parent;
+  readonly attribute Element? frameElement;
+  WindowProxy? open(optional USVString url = "", optional DOMString target = "_blank", optional [LegacyNullToEmptyString] DOMString features = "");
+
+  // Since this is the global object, the IDL named getter adds a NamedPropertiesObject exotic
+  // object on the prototype chain. Indeed, this does not make the global object an exotic object.
+  // Indexed access is taken care of by the WindowProxy exotic object.
+  getter object (DOMString name);
+
+  // the user agent
+  readonly attribute Navigator navigator;
+  [Replaceable] readonly attribute Navigator clientInformation; // legacy alias of .navigator
+  readonly attribute boolean originAgentCluster;
+
+  // user prompts
+  undefined alert();
+  undefined alert(DOMString message);
+  boolean confirm(optional DOMString message = "");
+  DOMString? prompt(optional DOMString message = "", optional DOMString default = "");
+  undefined print();
+
+  undefined postMessage(any message, USVString targetOrigin, optional sequence<object> transfer = []);
+  undefined postMessage(any message, optional WindowPostMessageOptions options = {});
+
+  // also has obsolete members
+};
+Window includes GlobalEventHandlers;
+Window includes WindowEventHandlers;
+
+dictionary WindowPostMessageOptions : StructuredSerializeOptions {
+  USVString targetOrigin = "/";
+};
+
+[Exposed=Window]
+interface BarProp {
+  readonly attribute boolean visible;
+};
+
+[Exposed=Window]
+interface Location { // but see also additional creation steps and overridden internal methods
+  [LegacyUnforgeable] stringifier attribute USVString href;
+  [LegacyUnforgeable] readonly attribute USVString origin;
+  [LegacyUnforgeable] attribute USVString protocol;
+  [LegacyUnforgeable] attribute USVString host;
+  [LegacyUnforgeable] attribute USVString hostname;
+  [LegacyUnforgeable] attribute USVString port;
+  [LegacyUnforgeable] attribute USVString pathname;
+  [LegacyUnforgeable] attribute USVString search;
+  [LegacyUnforgeable] attribute USVString hash;
+
+  [LegacyUnforgeable] undefined assign(USVString url);
+  [LegacyUnforgeable] undefined replace(USVString url);
+  [LegacyUnforgeable] undefined reload();
+
+  [LegacyUnforgeable, SameObject] readonly attribute DOMStringList ancestorOrigins;
+};
+
+enum ScrollRestoration { "auto", "manual" };
+
+[Exposed=Window]
+interface History {
+  readonly attribute unsigned long length;
+  attribute ScrollRestoration scrollRestoration;
+  readonly attribute any state;
+  undefined go(optional long delta = 0);
+  undefined back();
+  undefined forward();
+  undefined pushState(any data, DOMString unused, optional USVString? url = null);
+  undefined replaceState(any data, DOMString unused, optional USVString? url = null);
+};
+
+[Exposed=Window]
+interface Navigation : EventTarget {
+  sequence<NavigationHistoryEntry> entries();
+  readonly attribute NavigationHistoryEntry? currentEntry;
+  undefined updateCurrentEntry(NavigationUpdateCurrentEntryOptions options);
+  readonly attribute NavigationTransition? transition;
+  readonly attribute NavigationActivation? activation;
+
+  readonly attribute boolean canGoBack;
+  readonly attribute boolean canGoForward;
+
+  NavigationResult navigate(USVString url, optional NavigationNavigateOptions options = {});
+  NavigationResult reload(optional NavigationReloadOptions options = {});
+
+  NavigationResult traverseTo(DOMString key, optional NavigationOptions options = {});
+  NavigationResult back(optional NavigationOptions options = {});
+  NavigationResult forward(optional NavigationOptions options = {});
+
+  attribute EventHandler onnavigate;
+  attribute EventHandler onnavigatesuccess;
+  attribute EventHandler onnavigateerror;
+  attribute EventHandler oncurrententrychange;
+};
+
+dictionary NavigationUpdateCurrentEntryOptions {
+  required any state;
+};
+
+dictionary NavigationOptions {
+  any info;
+};
+
+dictionary NavigationNavigateOptions : NavigationOptions {
+  any state;
+  NavigationHistoryBehavior history = "auto";
+};
+
+dictionary NavigationReloadOptions : NavigationOptions {
+  any state;
+};
+
+dictionary NavigationResult {
+  Promise<NavigationHistoryEntry> committed;
+  Promise<NavigationHistoryEntry> finished;
+};
+
+enum NavigationHistoryBehavior {
+  "auto",
+  "push",
+  "replace"
+};
+
+enum NavigationType {
+ "push",
+ "replace",
+ "reload",
+ "traverse"
+};
+
+[Exposed=Window]
+interface NavigationHistoryEntry : EventTarget {
+  readonly attribute USVString? url;
+  readonly attribute DOMString key;
+  readonly attribute DOMString id;
+  readonly attribute long long index;
+  readonly attribute boolean sameDocument;
+
+  any getState();
+
+  attribute EventHandler ondispose;
+};
+
+[Exposed=Window]
+interface NavigationTransition {
+  readonly attribute NavigationType navigationType;
+  readonly attribute NavigationHistoryEntry from;
+  readonly attribute Promise<undefined> finished;
+};
+
+[Exposed=Window]
+interface NavigationActivation {
+  readonly attribute NavigationHistoryEntry? from;
+  readonly attribute NavigationHistoryEntry entry;
+  readonly attribute NavigationType navigationType;
+};
+
+[Exposed=Window]
+interface NavigateEvent : Event {
+  constructor(DOMString type, NavigateEventInit eventInitDict);
+
+  readonly attribute NavigationType navigationType;
+  readonly attribute NavigationDestination destination;
+  readonly attribute boolean canIntercept;
+  readonly attribute boolean userInitiated;
+  readonly attribute boolean hashChange;
+  readonly attribute AbortSignal signal;
+  readonly attribute FormData? formData;
+  readonly attribute DOMString? downloadRequest;
+  readonly attribute any info;
+  readonly attribute boolean hasUAVisualTransition;
+  readonly attribute Element? sourceElement;
+
+  undefined intercept(optional NavigationInterceptOptions options = {});
+  undefined scroll();
+};
+
+dictionary NavigateEventInit : EventInit {
+  NavigationType navigationType = "push";
+  required NavigationDestination destination;
+  boolean canIntercept = false;
+  boolean userInitiated = false;
+  boolean hashChange = false;
+  required AbortSignal signal;
+  FormData? formData = null;
+  DOMString? downloadRequest = null;
+  any info;
+  boolean hasUAVisualTransition = false;
+  Element? sourceElement = null;
+};
+
+dictionary NavigationInterceptOptions {
+  NavigationInterceptHandler handler;
+  NavigationFocusReset focusReset;
+  NavigationScrollBehavior scroll;
+};
+
+enum NavigationFocusReset {
+  "after-transition",
+  "manual"
+};
+
+enum NavigationScrollBehavior {
+  "after-transition",
+  "manual"
+};
+
+callback NavigationInterceptHandler = Promise<undefined> ();
+
+[Exposed=Window]
+interface NavigationDestination {
+  readonly attribute USVString url;
+  readonly attribute DOMString key;
+  readonly attribute DOMString id;
+  readonly attribute long long index;
+  readonly attribute boolean sameDocument;
+
+  any getState();
+};
+
+[Exposed=Window]
+interface NavigationCurrentEntryChangeEvent : Event {
+  constructor(DOMString type, NavigationCurrentEntryChangeEventInit eventInitDict);
+
+  readonly attribute NavigationType? navigationType;
+  readonly attribute NavigationHistoryEntry from;
+};
+
+dictionary NavigationCurrentEntryChangeEventInit : EventInit {
+  NavigationType? navigationType = null;
+  required NavigationHistoryEntry from;
+};
+
+[Exposed=Window]
+interface PopStateEvent : Event {
+  constructor(DOMString type, optional PopStateEventInit eventInitDict = {});
+
+  readonly attribute any state;
+  readonly attribute boolean hasUAVisualTransition;
+};
+
+dictionary PopStateEventInit : EventInit {
+  any state = null;
+  boolean hasUAVisualTransition = false;
+};
+
+[Exposed=Window]
+interface HashChangeEvent : Event {
+  constructor(DOMString type, optional HashChangeEventInit eventInitDict = {});
+
+  readonly attribute USVString oldURL;
+  readonly attribute USVString newURL;
+};
+
+dictionary HashChangeEventInit : EventInit {
+  USVString oldURL = "";
+  USVString newURL = "";
+};
+
+[Exposed=Window]
+interface PageSwapEvent : Event {
+  constructor(DOMString type, optional PageSwapEventInit eventInitDict = {});
+  readonly attribute NavigationActivation? activation;
+  readonly attribute ViewTransition? viewTransition;
+};
+
+dictionary PageSwapEventInit : EventInit {
+  NavigationActivation? activation = null;
+  ViewTransition? viewTransition = null;
+};
+
+[Exposed=Window]
+interface PageRevealEvent : Event {
+  constructor(DOMString type, optional PageRevealEventInit eventInitDict = {});
+  readonly attribute ViewTransition? viewTransition;
+};
+
+dictionary PageRevealEventInit : EventInit {
+  ViewTransition? viewTransition = null;
+};
+
+[Exposed=Window]
+interface PageTransitionEvent : Event {
+  constructor(DOMString type, optional PageTransitionEventInit eventInitDict = {});
+
+  readonly attribute boolean persisted;
+};
+
+dictionary PageTransitionEventInit : EventInit {
+  boolean persisted = false;
+};
+
+[Exposed=Window]
+interface BeforeUnloadEvent : Event {
+  attribute DOMString returnValue;
+};
+
+[Exposed=Window]
+interface NotRestoredReasonDetails {
+  readonly attribute DOMString reason;
+  [Default] object toJSON();
+};
+
+[Exposed=Window]
+interface NotRestoredReasons {
+  readonly attribute USVString? src;
+  readonly attribute DOMString? id;
+  readonly attribute DOMString? name;
+  readonly attribute USVString? url;
+  readonly attribute FrozenArray<NotRestoredReasonDetails>? reasons;
+  readonly attribute FrozenArray<NotRestoredReasons>? children;
+  [Default] object toJSON();
+};
+
+[Exposed=*]
+interface ErrorEvent : Event {
+  constructor(DOMString type, optional ErrorEventInit eventInitDict = {});
+
+  readonly attribute DOMString message;
+  readonly attribute USVString filename;
+  readonly attribute unsigned long lineno;
+  readonly attribute unsigned long colno;
+  readonly attribute any error;
+};
+
+dictionary ErrorEventInit : EventInit {
+  DOMString message = "";
+  USVString filename = "";
+  unsigned long lineno = 0;
+  unsigned long colno = 0;
+  any error;
+};
+
+[Exposed=*]
+interface PromiseRejectionEvent : Event {
+  constructor(DOMString type, PromiseRejectionEventInit eventInitDict);
+
+  readonly attribute object promise;
+  readonly attribute any reason;
+};
+
+dictionary PromiseRejectionEventInit : EventInit {
+  required object promise;
+  any reason;
+};
+
+[LegacyTreatNonObjectAsNull]
+callback EventHandlerNonNull = any (Event event);
+typedef EventHandlerNonNull? EventHandler;
+
+[LegacyTreatNonObjectAsNull]
+callback OnErrorEventHandlerNonNull = any ((Event or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long colno, optional any error);
+typedef OnErrorEventHandlerNonNull? OnErrorEventHandler;
+
+[LegacyTreatNonObjectAsNull]
+callback OnBeforeUnloadEventHandlerNonNull = DOMString? (Event event);
+typedef OnBeforeUnloadEventHandlerNonNull? OnBeforeUnloadEventHandler;
+
+interface mixin GlobalEventHandlers {
+  attribute EventHandler onabort;
+  attribute EventHandler onauxclick;
+  attribute EventHandler onbeforeinput;
+  attribute EventHandler onbeforematch;
+  attribute EventHandler onbeforetoggle;
+  attribute EventHandler onblur;
+  attribute EventHandler oncancel;
+  attribute EventHandler oncanplay;
+  attribute EventHandler oncanplaythrough;
+  attribute EventHandler onchange;
+  attribute EventHandler onclick;
+  attribute EventHandler onclose;
+  attribute EventHandler oncommand;
+  attribute EventHandler oncontextlost;
+  attribute EventHandler oncontextmenu;
+  attribute EventHandler oncontextrestored;
+  attribute EventHandler oncopy;
+  attribute EventHandler oncuechange;
+  attribute EventHandler oncut;
+  attribute EventHandler ondblclick;
+  attribute EventHandler ondrag;
+  attribute EventHandler ondragend;
+  attribute EventHandler ondragenter;
+  attribute EventHandler ondragleave;
+  attribute EventHandler ondragover;
+  attribute EventHandler ondragstart;
+  attribute EventHandler ondrop;
+  attribute EventHandler ondurationchange;
+  attribute EventHandler onemptied;
+  attribute EventHandler onended;
+  attribute OnErrorEventHandler onerror;
+  attribute EventHandler onfocus;
+  attribute EventHandler onformdata;
+  attribute EventHandler oninput;
+  attribute EventHandler oninvalid;
+  attribute EventHandler onkeydown;
+  attribute EventHandler onkeypress;
+  attribute EventHandler onkeyup;
+  attribute EventHandler onload;
+  attribute EventHandler onloadeddata;
+  attribute EventHandler onloadedmetadata;
+  attribute EventHandler onloadstart;
+  attribute EventHandler onmousedown;
+  [LegacyLenientThis] attribute EventHandler onmouseenter;
+  [LegacyLenientThis] attribute EventHandler onmouseleave;
+  attribute EventHandler onmousemove;
+  attribute EventHandler onmouseout;
+  attribute EventHandler onmouseover;
+  attribute EventHandler onmouseup;
+  attribute EventHandler onpaste;
+  attribute EventHandler onpause;
+  attribute EventHandler onplay;
+  attribute EventHandler onplaying;
+  attribute EventHandler onprogress;
+  attribute EventHandler onratechange;
+  attribute EventHandler onreset;
+  attribute EventHandler onresize;
+  attribute EventHandler onscroll;
+  attribute EventHandler onscrollend;
+  attribute EventHandler onsecuritypolicyviolation;
+  attribute EventHandler onseeked;
+  attribute EventHandler onseeking;
+  attribute EventHandler onselect;
+  attribute EventHandler onslotchange;
+  attribute EventHandler onstalled;
+  attribute EventHandler onsubmit;
+  attribute EventHandler onsuspend;
+  attribute EventHandler ontimeupdate;
+  attribute EventHandler ontoggle;
+  attribute EventHandler onvolumechange;
+  attribute EventHandler onwaiting;
+  attribute EventHandler onwebkitanimationend;
+  attribute EventHandler onwebkitanimationiteration;
+  attribute EventHandler onwebkitanimationstart;
+  attribute EventHandler onwebkittransitionend;
+  attribute EventHandler onwheel;
+};
+
+interface mixin WindowEventHandlers {
+  attribute EventHandler onafterprint;
+  attribute EventHandler onbeforeprint;
+  attribute OnBeforeUnloadEventHandler onbeforeunload;
+  attribute EventHandler onhashchange;
+  attribute EventHandler onlanguagechange;
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+  attribute EventHandler onoffline;
+  attribute EventHandler ononline;
+  attribute EventHandler onpagehide;
+  attribute EventHandler onpagereveal;
+  attribute EventHandler onpageshow;
+  attribute EventHandler onpageswap;
+  attribute EventHandler onpopstate;
+  attribute EventHandler onrejectionhandled;
+  attribute EventHandler onstorage;
+  attribute EventHandler onunhandledrejection;
+  attribute EventHandler onunload;
+};
+
+typedef (DOMString or Function or TrustedScript) TimerHandler;
+
+interface mixin WindowOrWorkerGlobalScope {
+  [Replaceable] readonly attribute USVString origin;
+  readonly attribute boolean isSecureContext;
+  readonly attribute boolean crossOriginIsolated;
+
+  undefined reportError(any e);
+
+  // base64 utility methods
+  DOMString btoa(DOMString data);
+  ByteString atob(DOMString data);
+
+  // timers
+  long setTimeout(TimerHandler handler, optional long timeout = 0, any... arguments);
+  undefined clearTimeout(optional long id = 0);
+  long setInterval(TimerHandler handler, optional long timeout = 0, any... arguments);
+  undefined clearInterval(optional long id = 0);
+
+  // microtask queuing
+  undefined queueMicrotask(VoidFunction callback);
+
+  // ImageBitmap
+  Promise<ImageBitmap> createImageBitmap(ImageBitmapSource image, optional ImageBitmapOptions options = {});
+  Promise<ImageBitmap> createImageBitmap(ImageBitmapSource image, long sx, long sy, long sw, long sh, optional ImageBitmapOptions options = {});
+
+  // structured cloning
+  any structuredClone(any value, optional StructuredSerializeOptions options = {});
+};
+Window includes WindowOrWorkerGlobalScope;
+WorkerGlobalScope includes WindowOrWorkerGlobalScope;
+
+partial interface Element {
+  [CEReactions] undefined setHTMLUnsafe((TrustedHTML or DOMString) html);
+  DOMString getHTML(optional GetHTMLOptions options = {});
+
+  [CEReactions] attribute (TrustedHTML or [LegacyNullToEmptyString] DOMString) innerHTML;
+  [CEReactions] attribute (TrustedHTML or [LegacyNullToEmptyString] DOMString) outerHTML;
+  [CEReactions] undefined insertAdjacentHTML(DOMString position, (TrustedHTML or DOMString) string);
+};
+
+partial interface ShadowRoot {
+  [CEReactions] undefined setHTMLUnsafe((TrustedHTML or DOMString) html);
+  DOMString getHTML(optional GetHTMLOptions options = {});
+
+  [CEReactions] attribute (TrustedHTML or [LegacyNullToEmptyString] DOMString) innerHTML;
+};
+
+dictionary GetHTMLOptions {
+  boolean serializableShadowRoots = false;
+  sequence<ShadowRoot> shadowRoots = [];
+};
+
+[Exposed=Window]
+interface DOMParser {
+  constructor();
+
+  [NewObject] Document parseFromString((TrustedHTML or DOMString) string, DOMParserSupportedType type);
+};
+
+enum DOMParserSupportedType {
+  "text/html",
+  "text/xml",
+  "application/xml",
+  "application/xhtml+xml",
+  "image/svg+xml"
+};
+
+partial interface Range {
+  [CEReactions, NewObject] DocumentFragment createContextualFragment((TrustedHTML or DOMString) string);
+};
+
+[Exposed=Window]
+interface XMLSerializer {
+  constructor();
+
+  DOMString serializeToString(Node root);
+};
+
+[Exposed=Window]
+interface Navigator {
+  // objects implementing this interface also implement the interfaces given below
+};
+Navigator includes NavigatorID;
+Navigator includes NavigatorLanguage;
+Navigator includes NavigatorOnLine;
+Navigator includes NavigatorContentUtils;
+Navigator includes NavigatorCookies;
+Navigator includes NavigatorPlugins;
+Navigator includes NavigatorConcurrentHardware;
+
+interface mixin NavigatorID {
+  readonly attribute DOMString appCodeName; // constant "Mozilla"
+  readonly attribute DOMString appName; // constant "Netscape"
+  readonly attribute DOMString appVersion;
+  readonly attribute DOMString platform;
+  readonly attribute DOMString product; // constant "Gecko"
+  [Exposed=Window] readonly attribute DOMString productSub;
+  readonly attribute DOMString userAgent;
+  [Exposed=Window] readonly attribute DOMString vendor;
+  [Exposed=Window] readonly attribute DOMString vendorSub; // constant ""
+};
+
+partial interface mixin NavigatorID {
+  [Exposed=Window] boolean taintEnabled(); // constant false
+  [Exposed=Window] readonly attribute DOMString oscpu;
+};
+
+interface mixin NavigatorLanguage {
+  readonly attribute DOMString language;
+  readonly attribute FrozenArray<DOMString> languages;
+};
+
+interface mixin NavigatorOnLine {
+  readonly attribute boolean onLine;
+};
+
+interface mixin NavigatorContentUtils {
+  [SecureContext] undefined registerProtocolHandler(DOMString scheme, USVString url);
+  [SecureContext] undefined unregisterProtocolHandler(DOMString scheme, USVString url);
+};
+
+interface mixin NavigatorCookies {
+  readonly attribute boolean cookieEnabled;
+};
+
+interface mixin NavigatorPlugins {
+  [SameObject] readonly attribute PluginArray plugins;
+  [SameObject] readonly attribute MimeTypeArray mimeTypes;
+  boolean javaEnabled();
+  readonly attribute boolean pdfViewerEnabled;
+};
+
+[Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface PluginArray {
+  undefined refresh();
+  readonly attribute unsigned long length;
+  getter Plugin? item(unsigned long index);
+  getter Plugin? namedItem(DOMString name);
+};
+
+[Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface MimeTypeArray {
+  readonly attribute unsigned long length;
+  getter MimeType? item(unsigned long index);
+  getter MimeType? namedItem(DOMString name);
+};
+
+[Exposed=Window,
+ LegacyUnenumerableNamedProperties]
+interface Plugin {
+  readonly attribute DOMString name;
+  readonly attribute DOMString description;
+  readonly attribute DOMString filename;
+  readonly attribute unsigned long length;
+  getter MimeType? item(unsigned long index);
+  getter MimeType? namedItem(DOMString name);
+};
+
+[Exposed=Window]
+interface MimeType {
+  readonly attribute DOMString type;
+  readonly attribute DOMString description;
+  readonly attribute DOMString suffixes;
+  readonly attribute Plugin enabledPlugin;
+};
+
+[Exposed=(Window,Worker), Serializable, Transferable]
+interface ImageBitmap {
+  readonly attribute unsigned long width;
+  readonly attribute unsigned long height;
+  undefined close();
+};
+
+typedef (CanvasImageSource or
+         Blob or
+         ImageData) ImageBitmapSource;
+
+enum ImageOrientation { "from-image", "flipY" };
+enum PremultiplyAlpha { "none", "premultiply", "default" };
+enum ColorSpaceConversion { "none", "default" };
+enum ResizeQuality { "pixelated", "low", "medium", "high" };
+
+dictionary ImageBitmapOptions {
+  ImageOrientation imageOrientation = "from-image";
+  PremultiplyAlpha premultiplyAlpha = "default";
+  ColorSpaceConversion colorSpaceConversion = "default";
+  [EnforceRange] unsigned long resizeWidth;
+  [EnforceRange] unsigned long resizeHeight;
+  ResizeQuality resizeQuality = "low";
+};
+
+callback FrameRequestCallback = undefined (DOMHighResTimeStamp time);
+
+interface mixin AnimationFrameProvider {
+  unsigned long requestAnimationFrame(FrameRequestCallback callback);
+  undefined cancelAnimationFrame(unsigned long handle);
+};
+Window includes AnimationFrameProvider;
+DedicatedWorkerGlobalScope includes AnimationFrameProvider;
+
+[Exposed=(Window,Worker,AudioWorklet)]
+interface MessageEvent : Event {
+  constructor(DOMString type, optional MessageEventInit eventInitDict = {});
+
+  readonly attribute any data;
+  readonly attribute USVString origin;
+  readonly attribute DOMString lastEventId;
+  readonly attribute MessageEventSource? source;
+  readonly attribute FrozenArray<MessagePort> ports;
+
+  undefined initMessageEvent(DOMString type, optional boolean bubbles = false, optional boolean cancelable = false, optional any data = null, optional USVString origin = "", optional DOMString lastEventId = "", optional MessageEventSource? source = null, optional sequence<MessagePort> ports = []);
+};
+
+dictionary MessageEventInit : EventInit {
+  any data = null;
+  USVString origin = "";
+  DOMString lastEventId = "";
+  MessageEventSource? source = null;
+  sequence<MessagePort> ports = [];
+};
+
+typedef (WindowProxy or MessagePort or ServiceWorker) MessageEventSource;
+
+[Exposed=(Window,Worker)]
+interface EventSource : EventTarget {
+  constructor(USVString url, optional EventSourceInit eventSourceInitDict = {});
+
+  readonly attribute USVString url;
+  readonly attribute boolean withCredentials;
+
+  // ready state
+  const unsigned short CONNECTING = 0;
+  const unsigned short OPEN = 1;
+  const unsigned short CLOSED = 2;
+  readonly attribute unsigned short readyState;
+
+  // networking
+  attribute EventHandler onopen;
+  attribute EventHandler onmessage;
+  attribute EventHandler onerror;
+  undefined close();
+};
+
+dictionary EventSourceInit {
+  boolean withCredentials = false;
+};
+
+[Exposed=(Window,Worker)]
+interface MessageChannel {
+  constructor();
+
+  readonly attribute MessagePort port1;
+  readonly attribute MessagePort port2;
+};
+
+interface mixin MessageEventTarget {
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+};
+
+[Exposed=(Window,Worker,AudioWorklet), Transferable]
+interface MessagePort : EventTarget {
+  undefined postMessage(any message, sequence<object> transfer);
+  undefined postMessage(any message, optional StructuredSerializeOptions options = {});
+  undefined start();
+  undefined close();
+
+  // event handlers
+  attribute EventHandler onclose;
+};
+
+MessagePort includes MessageEventTarget;
+
+dictionary StructuredSerializeOptions {
+  sequence<object> transfer = [];
+};
+
+[Exposed=(Window,Worker)]
+interface BroadcastChannel : EventTarget {
+  constructor(DOMString name);
+
+  readonly attribute DOMString name;
+  undefined postMessage(any message);
+  undefined close();
+  attribute EventHandler onmessage;
+  attribute EventHandler onmessageerror;
+};
+
+[Exposed=Worker]
+interface WorkerGlobalScope : EventTarget {
+  readonly attribute WorkerGlobalScope self;
+  readonly attribute WorkerLocation location;
+  readonly attribute WorkerNavigator navigator;
+  undefined importScripts((TrustedScriptURL or USVString)... urls);
+
+  attribute OnErrorEventHandler onerror;
+  attribute EventHandler onlanguagechange;
+  attribute EventHandler onoffline;
+  attribute EventHandler ononline;
+  attribute EventHandler onrejectionhandled;
+  attribute EventHandler onunhandledrejection;
+};
+
+[Global=(Worker,DedicatedWorker),Exposed=DedicatedWorker]
+interface DedicatedWorkerGlobalScope : WorkerGlobalScope {
+  [Replaceable] readonly attribute DOMString name;
+
+  undefined postMessage(any message, sequence<object> transfer);
+  undefined postMessage(any message, optional StructuredSerializeOptions options = {});
+
+  undefined close();
+};
+
+DedicatedWorkerGlobalScope includes MessageEventTarget;
+
+[Global=(Worker,SharedWorker),Exposed=SharedWorker]
+interface SharedWorkerGlobalScope : WorkerGlobalScope {
+  [Replaceable] readonly attribute DOMString name;
+
+  undefined close();
+
+  attribute EventHandler onconnect;
+};
+
+interface mixin AbstractWorker {
+  attribute EventHandler onerror;
+};
+
+[Exposed=(Window,DedicatedWorker,SharedWorker)]
+interface Worker : EventTarget {
+  constructor((TrustedScriptURL or USVString) scriptURL, optional WorkerOptions options = {});
+
+  undefined terminate();
+
+  undefined postMessage(any message, sequence<object> transfer);
+  undefined postMessage(any message, optional StructuredSerializeOptions options = {});
+};
+
+dictionary WorkerOptions {
+  WorkerType type = "classic";
+  RequestCredentials credentials = "same-origin"; // credentials is only used if type is "module"
+  DOMString name = "";
+};
+
+enum WorkerType { "classic", "module" };
+
+Worker includes AbstractWorker;
+Worker includes MessageEventTarget;
+
+[Exposed=Window]
+interface SharedWorker : EventTarget {
+  constructor((TrustedScriptURL or USVString) scriptURL, optional (DOMString or WorkerOptions) options = {});
+
+  readonly attribute MessagePort port;
+};
+SharedWorker includes AbstractWorker;
+
+interface mixin NavigatorConcurrentHardware {
+  readonly attribute unsigned long long hardwareConcurrency;
+};
+
+[Exposed=Worker]
+interface WorkerNavigator {};
+WorkerNavigator includes NavigatorID;
+WorkerNavigator includes NavigatorLanguage;
+WorkerNavigator includes NavigatorOnLine;
+WorkerNavigator includes NavigatorConcurrentHardware;
+
+[Exposed=Worker]
+interface WorkerLocation {
+  stringifier readonly attribute USVString href;
+  readonly attribute USVString origin;
+  readonly attribute USVString protocol;
+  readonly attribute USVString host;
+  readonly attribute USVString hostname;
+  readonly attribute USVString port;
+  readonly attribute USVString pathname;
+  readonly attribute USVString search;
+  readonly attribute USVString hash;
+};
+
+[Exposed=Worklet, SecureContext]
+interface WorkletGlobalScope {};
+
+[Exposed=Window, SecureContext]
+interface Worklet {
+  [NewObject] Promise<undefined> addModule(USVString moduleURL, optional WorkletOptions options = {});
+};
+
+dictionary WorkletOptions {
+  RequestCredentials credentials = "same-origin";
+};
+
+[Exposed=Window]
+interface Storage {
+  readonly attribute unsigned long length;
+  DOMString? key(unsigned long index);
+  getter DOMString? getItem(DOMString key);
+  setter undefined setItem(DOMString key, DOMString value);
+  deleter undefined removeItem(DOMString key);
+  undefined clear();
+};
+
+interface mixin WindowSessionStorage {
+  readonly attribute Storage sessionStorage;
+};
+Window includes WindowSessionStorage;
+
+interface mixin WindowLocalStorage {
+  readonly attribute Storage localStorage;
+};
+Window includes WindowLocalStorage;
+
+[Exposed=Window]
+interface StorageEvent : Event {
+  constructor(DOMString type, optional StorageEventInit eventInitDict = {});
+
+  readonly attribute DOMString? key;
+  readonly attribute DOMString? oldValue;
+  readonly attribute DOMString? newValue;
+  readonly attribute USVString url;
+  readonly attribute Storage? storageArea;
+
+  undefined initStorageEvent(DOMString type, optional boolean bubbles = false, optional boolean cancelable = false, optional DOMString? key = null, optional DOMString? oldValue = null, optional DOMString? newValue = null, optional USVString url = "", optional Storage? storageArea = null);
+};
+
+dictionary StorageEventInit : EventInit {
+  DOMString? key = null;
+  DOMString? oldValue = null;
+  DOMString? newValue = null;
+  USVString url = "";
+  Storage? storageArea = null;
+};
+
+[Exposed=Window]
+interface HTMLMarqueeElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString behavior;
+  [CEReactions] attribute DOMString bgColor;
+  [CEReactions] attribute DOMString direction;
+  [CEReactions] attribute DOMString height;
+  [CEReactions] attribute unsigned long hspace;
+  [CEReactions] attribute long loop;
+  [CEReactions] attribute unsigned long scrollAmount;
+  [CEReactions] attribute unsigned long scrollDelay;
+  [CEReactions] attribute boolean trueSpeed;
+  [CEReactions] attribute unsigned long vspace;
+  [CEReactions] attribute DOMString width;
+
+  undefined start();
+  undefined stop();
+};
+
+[Exposed=Window]
+interface HTMLFrameSetElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString cols;
+  [CEReactions] attribute DOMString rows;
+};
+HTMLFrameSetElement includes WindowEventHandlers;
+
+[Exposed=Window]
+interface HTMLFrameElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString scrolling;
+  [CEReactions] attribute USVString src;
+  [CEReactions] attribute DOMString frameBorder;
+  [CEReactions] attribute USVString longDesc;
+  [CEReactions] attribute boolean noResize;
+  readonly attribute Document? contentDocument;
+  readonly attribute WindowProxy? contentWindow;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString marginHeight;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString marginWidth;
+};
+
+partial interface HTMLAnchorElement {
+  [CEReactions] attribute DOMString coords;
+  [CEReactions] attribute DOMString charset;
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString rev;
+  [CEReactions] attribute DOMString shape;
+};
+
+partial interface HTMLAreaElement {
+  [CEReactions] attribute boolean noHref;
+};
+
+partial interface HTMLBodyElement {
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString text;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString link;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString vLink;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString aLink;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+  [CEReactions] attribute DOMString background;
+};
+
+partial interface HTMLBRElement {
+  [CEReactions] attribute DOMString clear;
+};
+
+partial interface HTMLTableCaptionElement {
+  [CEReactions] attribute DOMString align;
+};
+
+partial interface HTMLTableColElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString ch;
+  [CEReactions] attribute DOMString chOff;
+  [CEReactions] attribute DOMString vAlign;
+  [CEReactions] attribute DOMString width;
+};
+
+[Exposed=Window]
+interface HTMLDirectoryElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute boolean compact;
+};
+
+partial interface HTMLDivElement {
+  [CEReactions] attribute DOMString align;
+};
+
+partial interface HTMLDListElement {
+  [CEReactions] attribute boolean compact;
+};
+
+partial interface HTMLEmbedElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString name;
+};
+
+[Exposed=Window]
+interface HTMLFontElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString color;
+  [CEReactions] attribute DOMString face;
+  [CEReactions] attribute DOMString size;
+};
+
+partial interface HTMLHeadingElement {
+  [CEReactions] attribute DOMString align;
+};
+
+partial interface HTMLHRElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString color;
+  [CEReactions] attribute boolean noShade;
+  [CEReactions] attribute DOMString size;
+  [CEReactions] attribute DOMString width;
+};
+
+partial interface HTMLHtmlElement {
+  [CEReactions] attribute DOMString version;
+};
+
+partial interface HTMLIFrameElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString scrolling;
+  [CEReactions] attribute DOMString frameBorder;
+  [CEReactions] attribute USVString longDesc;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString marginHeight;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString marginWidth;
+};
+
+partial interface HTMLImageElement {
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute USVString lowsrc;
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute unsigned long hspace;
+  [CEReactions] attribute unsigned long vspace;
+  [CEReactions] attribute USVString longDesc;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString border;
+};
+
+partial interface HTMLInputElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString useMap;
+};
+
+partial interface HTMLLegendElement {
+  [CEReactions] attribute DOMString align;
+};
+
+partial interface HTMLLIElement {
+  [CEReactions] attribute DOMString type;
+};
+
+partial interface HTMLLinkElement {
+  [CEReactions] attribute DOMString charset;
+  [CEReactions] attribute DOMString rev;
+  [CEReactions] attribute DOMString target;
+};
+
+partial interface HTMLMenuElement {
+  [CEReactions] attribute boolean compact;
+};
+
+partial interface HTMLMetaElement {
+  [CEReactions] attribute DOMString scheme;
+};
+
+partial interface HTMLObjectElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString archive;
+  [CEReactions] attribute DOMString code;
+  [CEReactions] attribute boolean declare;
+  [CEReactions] attribute unsigned long hspace;
+  [CEReactions] attribute DOMString standby;
+  [CEReactions] attribute unsigned long vspace;
+  [CEReactions] attribute DOMString codeBase;
+  [CEReactions] attribute DOMString codeType;
+  [CEReactions] attribute DOMString useMap;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString border;
+};
+
+partial interface HTMLOListElement {
+  [CEReactions] attribute boolean compact;
+};
+
+partial interface HTMLParagraphElement {
+  [CEReactions] attribute DOMString align;
+};
+
+[Exposed=Window]
+interface HTMLParamElement : HTMLElement {
+  [HTMLConstructor] constructor();
+
+  [CEReactions] attribute DOMString name;
+  [CEReactions] attribute DOMString value;
+  [CEReactions] attribute DOMString type;
+  [CEReactions] attribute DOMString valueType;
+};
+
+partial interface HTMLPreElement {
+  [CEReactions] attribute long width;
+};
+
+partial interface HTMLStyleElement {
+  [CEReactions] attribute DOMString type;
+};
+
+partial interface HTMLScriptElement {
+  [CEReactions] attribute DOMString charset;
+  [CEReactions] attribute DOMString event;
+  [CEReactions] attribute DOMString htmlFor;
+};
+
+partial interface HTMLTableElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString border;
+  [CEReactions] attribute DOMString frame;
+  [CEReactions] attribute DOMString rules;
+  [CEReactions] attribute DOMString summary;
+  [CEReactions] attribute DOMString width;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString cellPadding;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString cellSpacing;
+};
+
+partial interface HTMLTableSectionElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString ch;
+  [CEReactions] attribute DOMString chOff;
+  [CEReactions] attribute DOMString vAlign;
+};
+
+partial interface HTMLTableCellElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString axis;
+  [CEReactions] attribute DOMString height;
+  [CEReactions] attribute DOMString width;
+
+  [CEReactions] attribute DOMString ch;
+  [CEReactions] attribute DOMString chOff;
+  [CEReactions] attribute boolean noWrap;
+  [CEReactions] attribute DOMString vAlign;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+};
+
+partial interface HTMLTableRowElement {
+  [CEReactions] attribute DOMString align;
+  [CEReactions] attribute DOMString ch;
+  [CEReactions] attribute DOMString chOff;
+  [CEReactions] attribute DOMString vAlign;
+
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+};
+
+partial interface HTMLUListElement {
+  [CEReactions] attribute boolean compact;
+  [CEReactions] attribute DOMString type;
+};
+
+partial interface Document {
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString fgColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString linkColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString vlinkColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString alinkColor;
+  [CEReactions] attribute [LegacyNullToEmptyString] DOMString bgColor;
+
+  [SameObject] readonly attribute HTMLCollection anchors;
+  [SameObject] readonly attribute HTMLCollection applets;
+
+  undefined clear();
+  undefined captureEvents();
+  undefined releaseEvents();
+
+  [SameObject] readonly attribute HTMLAllCollection all;
+};
+
+partial interface Window {
+  undefined captureEvents();
+  undefined releaseEvents();
+
+  [Replaceable, SameObject] readonly attribute External external;
+};
+
+[Exposed=Window]
+interface External {
+  undefined AddSearchProvider();
+  undefined IsSearchProviderInstalled();
+};
diff --git a/Tests/LibWeb/Text/input/wpt-import/interfaces/svg-animations.idl b/Tests/LibWeb/Text/input/wpt-import/interfaces/svg-animations.idl
new file mode 100644
index 00000000000..b57e1b9eb51
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/interfaces/svg-animations.idl
@@ -0,0 +1,68 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: SVG Animations (https://svgwg.org/specs/animations/)
+
+[Exposed=Window]
+interface TimeEvent : Event {
+
+  readonly attribute WindowProxy? view;
+  readonly attribute long detail;
+
+  undefined initTimeEvent(DOMString typeArg, Window? viewArg, long detailArg);
+};
+
+[Exposed=Window]
+interface SVGAnimationElement : SVGElement {
+
+  readonly attribute SVGElement? targetElement;
+
+  attribute EventHandler onbegin;
+  attribute EventHandler onend;
+  attribute EventHandler onrepeat;
+
+  float getStartTime();
+  float getCurrentTime();
+  float getSimpleDuration();
+
+  undefined beginElement();
+  undefined beginElementAt(float offset);
+  undefined endElement();
+  undefined endElementAt(float offset);
+};
+
+SVGAnimationElement includes SVGTests;
+
+[Exposed=Window]
+interface SVGAnimateElement : SVGAnimationElement {
+};
+
+[Exposed=Window]
+interface SVGSetElement : SVGAnimationElement {
+};
+
+[Exposed=Window]
+interface SVGAnimateMotionElement : SVGAnimationElement {
+};
+
+[Exposed=Window]
+interface SVGMPathElement : SVGElement {
+};
+
+SVGMPathElement includes SVGURIReference;
+
+[Exposed=Window]
+interface SVGAnimateTransformElement : SVGAnimationElement {
+};
+
+[Exposed=Window]
+interface SVGDiscardElement : SVGAnimationElement {
+};
+
+partial interface SVGSVGElement {
+  undefined pauseAnimations();
+  undefined unpauseAnimations();
+  boolean animationsPaused();
+  float getCurrentTime();
+  undefined setCurrentTime(float seconds);
+};
diff --git a/Tests/LibWeb/Text/input/wpt-import/interfaces/web-animations.idl b/Tests/LibWeb/Text/input/wpt-import/interfaces/web-animations.idl
new file mode 100644
index 00000000000..c36588af478
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/interfaces/web-animations.idl
@@ -0,0 +1,150 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: Web Animations (https://drafts.csswg.org/web-animations-1/)
+
+[Exposed=Window]
+interface AnimationTimeline {
+};
+
+dictionary DocumentTimelineOptions {
+  DOMHighResTimeStamp originTime = 0;
+};
+
+[Exposed=Window]
+interface DocumentTimeline : AnimationTimeline {
+  constructor(optional DocumentTimelineOptions options = {});
+};
+
+[Exposed=Window]
+interface Animation : EventTarget {
+  constructor(optional AnimationEffect? effect = null,
+              optional AnimationTimeline? timeline);
+           attribute DOMString                id;
+           attribute AnimationEffect?         effect;
+           attribute AnimationTimeline?       timeline;
+           attribute double                   playbackRate;
+  readonly attribute AnimationPlayState       playState;
+  readonly attribute AnimationReplaceState    replaceState;
+  readonly attribute boolean                  pending;
+  readonly attribute Promise<Animation>       ready;
+  readonly attribute Promise<Animation>       finished;
+           attribute EventHandler             onfinish;
+           attribute EventHandler             oncancel;
+           attribute EventHandler             onremove;
+  undefined cancel();
+  undefined finish();
+  undefined play();
+  undefined pause();
+  undefined updatePlaybackRate(double playbackRate);
+  undefined reverse();
+  undefined persist();
+  [CEReactions]
+  undefined commitStyles();
+};
+
+enum AnimationPlayState { "idle", "running", "paused", "finished" };
+
+enum AnimationReplaceState { "active", "removed", "persisted" };
+
+[Exposed=Window]
+interface AnimationEffect {
+    EffectTiming         getTiming();
+    ComputedEffectTiming getComputedTiming();
+    undefined            updateTiming(optional OptionalEffectTiming timing = {});
+};
+
+dictionary EffectTiming {
+  FillMode                           fill = "auto";
+  double                             iterationStart = 0.0;
+  unrestricted double                iterations = 1.0;
+  PlaybackDirection                  direction = "normal";
+  DOMString                          easing = "linear";
+};
+
+dictionary OptionalEffectTiming {
+  double                             delay;
+  double                             endDelay;
+  FillMode                           fill;
+  double                             iterationStart;
+  unrestricted double                iterations;
+  (unrestricted double or DOMString) duration;
+  PlaybackDirection                  direction;
+  DOMString                          easing;
+};
+
+enum FillMode { "none", "forwards", "backwards", "both", "auto" };
+
+enum PlaybackDirection { "normal", "reverse", "alternate", "alternate-reverse" };
+
+dictionary ComputedEffectTiming : EffectTiming {
+  double?              progress;
+  unrestricted double? currentIteration;
+};
+
+[Exposed=Window]
+interface KeyframeEffect : AnimationEffect {
+  constructor(Element?       target,
+              object?        keyframes,
+              optional (unrestricted double or KeyframeEffectOptions) options = {});
+  constructor(KeyframeEffect source);
+  attribute Element?           target;
+  attribute CSSOMString?       pseudoElement;
+  attribute CompositeOperation composite;
+  sequence<object> getKeyframes();
+  undefined        setKeyframes(object? keyframes);
+};
+
+dictionary BaseComputedKeyframe {
+     double?                  offset = null;
+     double                   computedOffset;
+     DOMString                easing = "linear";
+     CompositeOperationOrAuto composite = "auto";
+};
+
+dictionary BasePropertyIndexedKeyframe {
+  (double? or sequence<double?>)                         offset = [];
+  (DOMString or sequence<DOMString>)                     easing = [];
+  (CompositeOperationOrAuto or sequence<CompositeOperationOrAuto>) composite = [];
+};
+
+dictionary BaseKeyframe {
+  double?                  offset = null;
+  DOMString                easing = "linear";
+  CompositeOperationOrAuto composite = "auto";
+};
+
+dictionary KeyframeEffectOptions : EffectTiming {
+    CompositeOperation composite = "replace";
+    CSSOMString?       pseudoElement = null;
+};
+
+enum CompositeOperation { "replace", "add", "accumulate" };
+
+enum CompositeOperationOrAuto { "replace", "add", "accumulate", "auto" };
+
+interface mixin Animatable {
+    Animation           animate(object? keyframes,
+                                optional (unrestricted double or KeyframeAnimationOptions) options = {});
+    sequence<Animation> getAnimations(optional GetAnimationsOptions options = {});
+};
+
+dictionary KeyframeAnimationOptions : KeyframeEffectOptions {
+    DOMString id = "";
+    AnimationTimeline? timeline;
+};
+
+dictionary GetAnimationsOptions {
+    boolean subtree = false;
+    CSSOMString? pseudoElement = null;
+};
+
+partial interface Document {
+    readonly attribute DocumentTimeline timeline;
+};
+
+partial interface mixin DocumentOrShadowRoot {
+    sequence<Animation> getAnimations();
+};
+
+Element includes Animatable;
diff --git a/Tests/LibWeb/Text/input/wpt-import/svg/idlharness.window.html b/Tests/LibWeb/Text/input/wpt-import/svg/idlharness.window.html
new file mode 100644
index 00000000000..bbbd53b2afa
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/svg/idlharness.window.html
@@ -0,0 +1,9 @@
+<!doctype html>
+<meta charset=utf-8>
+<meta name="timeout" content="long">
+<script src="../resources/testharness.js"></script>
+<script src="../resources/testharnessreport.js"></script>
+<script src="../resources/WebIDLParser.js"></script>
+<script src="../resources/idlharness.js"></script>
+<div id=log></div>
+<script src="../svg/idlharness.window.js"></script>
diff --git a/Tests/LibWeb/Text/input/wpt-import/svg/idlharness.window.js b/Tests/LibWeb/Text/input/wpt-import/svg/idlharness.window.js
new file mode 100644
index 00000000000..57beca77fd4
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/svg/idlharness.window.js
@@ -0,0 +1,201 @@
+// META: timeout=long
+// META: script=/resources/WebIDLParser.js
+// META: script=/resources/idlharness.js
+
+// https://svgwg.org/svg2-draft/
+
+'use strict';
+
+let objects = {};
+
+const elements = [
+  'svg',
+  'g',
+  'defs',
+  'desc',
+  'title',
+  'symbol',
+  'use',
+  'image',
+  'switch',
+  'style',
+  'path',
+  'rect',
+  'circle',
+  'ellipse',
+  'line',
+  'polyline',
+  'polygon',
+  'text',
+  'tspan',
+  'textPath',
+  'marker',
+  'linearGradient',
+  'radialGradient',
+  'meshGradient',
+  'stop',
+  'pattern',
+  'clipPath',
+  'mask',
+  'a',
+  'view',
+  'script',
+  'animate',
+  'set',
+  'animateMotion',
+  'mpath',
+  'animateTransform',
+  'metadata',
+  'foreignObject',
+  'filter',
+  'feBlend',
+  'feColorMatrix',
+  'feComponentTransfer',
+  'feFuncR',
+  'feFuncG',
+  'feFuncB',
+  'feFuncA',
+  'feComposite',
+  'feConvolveMatrix',
+  'feDiffuseLighting',
+  'fePointLight',
+  'feSpotLight',
+  'feDisplacementMap',
+  'feDropShadow',
+  'feFlood',
+  'feGaussianBlur',
+  'feDisplacementMap',
+  'feDropShadow',
+  'feImage',
+  'feMerge',
+  'feMergeNode',
+  'feMorphology',
+  'feSpecularLighting',
+  'feTile',
+  'feTurbulence',
+];
+
+idl_test(
+  ['SVG', 'svg-animations'],
+  ['cssom', 'web-animations', 'html', 'dom'],
+  idlArray => {
+    const svgUrl = 'http://www.w3.org/2000/svg';
+    for (const element of elements) {
+      try {
+        objects[element] = document.createElementNS(svgUrl, element);
+      } catch (e) {
+        // Will be surfaced by idlharess.js's test_object below.
+      }
+    }
+
+    idlArray.add_untested_idls('interface CSSPseudoElement {};')
+    idlArray.add_objects({
+      SVGAnimatedBoolean: ['objects.feConvolveMatrix.preserveAlpha'],
+      SVGAnimatedString: ['objects.a.target'],
+      SVGStringList: ['objects.a.requiredExtensions'],
+      SVGAnimatedEnumeration: ['objects.text.lengthAdjust'],
+      SVGAnimatedInteger: ['objects.feConvolveMatrix.orderX'],
+      SVGNumber: ['objects.svg.createSVGNumber()'],
+      SVGAnimatedNumber: ['objects.stop.offset'],
+      SVGNumberList: ['objects.text.rotate.baseVal'],
+      SVGAnimatedNumberList: ['objects.text.rotate'],
+      SVGLength: ['objects.svg.createSVGLength()'],
+      SVGAnimatedLength: ['objects.svg.x'],
+      SVGAnimatedLengthList: ['objects.text.x'],
+      SVGAngle: ['objects.svg.createSVGAngle()'],
+      SVGAnimatedAngle: ['objects.marker.orientAngle'],
+      SVGRect: ['objects.svg.createSVGRect()'],
+      SVGAnimatedRect: ['objects.svg.viewBox'],
+      SVGSVGElement: ['objects.svg'],
+      SVGGElement: ['objects.g'],
+      SVGDefsElement: ['objects.defs'],
+      SVGDescElement: ['objects.desc'],
+      SVGTitleElement: ['objects.title'],
+      SVGSymbolElement: ['objects.symbol'],
+      SVGUseElement: ['objects.use'],
+      SVGImageElement: ['objects.image'],
+      SVGSwitchElement: ['objects.switch'],
+      SVGStyleElement: ['objects.style'],
+      SVGPoint: ['objects.svg.createSVGPoint()'],
+      SVGPointList: ['objects.polygon.points'],
+      SVGMatrix: ['objects.svg.createSVGMatrix()'],
+      SVGTransform: ['objects.svg.createSVGTransform()'],
+      SVGTransformList: ['objects.pattern.patternTransform.baseVal'],
+      SVGAnimatedTransformList: ['objects.pattern.patternTransform'],
+      SVGPreserveAspectRatio: ['objects.image.preserveAspectRatio.baseVal'],
+      SVGAnimatedPreserveAspectRatio: ['objects.image.preserveAspectRatio'],
+      SVGPathSegClosePath: ['objects.path.createSVGPathSegClosePath()'],
+      SVGPathSegMovetoAbs: ['objects.path.createSVGPathSegMovetoAbs(0,0)'],
+      SVGPathSegMovetoRel: ['objects.path.createSVGPathSegMovetoRel(0,0)'],
+      SVGPathSegLinetoAbs: ['objects.path.createSVGPathSegLinetoAbs(0,0)'],
+      SVGPathSegLinetoRel: ['objects.path.createSVGPathSegLinetoRel(0,0)'],
+      SVGPathSegCurvetoCubicAbs: ['objects.path.createSVGPathSegCurvetoCubicAbs(0,0,0,0,0,0)'],
+      SVGPathSegCurvetoCubicRel: ['objects.path.createSVGPathSegCurvetoCubicRel(0,0,0,0,0,0)'],
+      SVGPathSegCurvetoQuadraticAbs: ['objects.path.createSVGPathSegCurvetoQuadraticAbs(0,0,0,0)'],
+      SVGPathSegCurvetoQuadraticRel: ['objects.path.createSVGPathSegCurvetoQuadraticRel(0,0,0,0)'],
+      SVGPathSegArcAbs: ['objects.path.createSVGPathSegArcAbs(0,0,0,0,0,true,true)'],
+      SVGPathSegArcRel: ['objects.path.createSVGPathSegArcRel(0,0,0,0,0,true,true)'],
+      SVGPathSegLinetoHorizontalAbs: ['objects.path.createSVGPathSegLinetoHorizontalAbs(0)'],
+      SVGPathSegLinetoHorizontalRel: ['objects.path.createSVGPathSegLinetoHorizontalRel(0)'],
+      SVGPathSegLinetoVerticalAbs: ['objects.path.createSVGPathSegLinetoVerticalAbs(0)'],
+      SVGPathSegLinetoVerticalRel: ['objects.path.createSVGPathSegLinetoVerticalRel(0)'],
+      SVGPathSegCurvetoCubicSmoothAbs: ['objects.path.createSVGPathSegCurvetoCubicSmoothAbs(0,0,0,0)'],
+      SVGPathSegCurvetoCubicSmoothRel: ['objects.path.createSVGPathSegCurvetoCubicSmoothRel(0,0,0,0)'],
+      SVGPathSegCurvetoQuadraticSmoothAbs: ['objects.path.createSVGPathSegCurvetoQuadraticSmoothAbs(0,0)'],
+      SVGPathSegCurvetoQuadraticSmoothRel: ['objects.path.createSVGPathSegCurvetoQuadraticSmoothRel(0,0)'],
+      SVGPathSegList: ['objects.path.pathSegList'],
+      SVGPathElement: ['objects.path'],
+      SVGRectElement: ['objects.rect'],
+      SVGCircleElement: ['objects.circle'],
+      SVGEllipseElement: ['objects.ellipse'],
+      SVGLineElement: ['objects.line'],
+      SVGPolylineElement: ['objects.polyline'],
+      SVGPolygonElement: ['objects.polygon'],
+      SVGTextElement: ['objects.text'],
+      SVGTSpanElement: ['objects.tspan'],
+      SVGTextPathElement: ['objects.textPath'],
+      SVGMarkerElement: ['objects.marker'],
+      SVGLinearGradientElement: ['objects.linearGradient'],
+      SVGRadialGradientElement: ['objects.radialGradient'],
+      SVGMeshGradientElement: ['objects.meshGradient'],
+      SVGStopElement: ['objects.stop'],
+      SVGPatternElement: ['objects.pattern'],
+      SVGClipPathElement: ['objects.clipPath'],
+      SVGMaskElement: ['objects.mask'],
+      SVGAElement: ['objects.a'],
+      SVGViewElement: ['objects.view'],
+      SVGScriptElement: ['objects.script'],
+      SVGAnimateElement: ['objects.animate'],
+      SVGSetElement: ['objects.set'],
+      SVGAnimateMotionElement: ['objects.animateMotion'],
+      SVGMPathElement: ['objects.mpath'],
+      SVGAnimateTransformElement: ['objects.animateTransform'],
+      SVGMetadataElement: ['objects.metadata'],
+      SVGForeignObjectElement: ['objects.foreignObject'],
+      SVGFilterElement: ['objects.filter'],
+      SVGFEBlendElement: ['objects.feBlend'],
+      SVGFEColorMatrixElement: ['objects.feColorMatrix'],
+      SVGFEComponentTransferElement: ['objects.feComponentTransfer'],
+      SVGFEFuncRElement: ['objects.feFuncR'],
+      SVGFEFuncGElement: ['objects.feFuncG'],
+      SVGFEFuncBElement: ['objects.feFuncB'],
+      SVGFEFuncAElement: ['objects.feFuncA'],
+      SVGFECompositeElement: ['objects.feComposite'],
+      SVGFEConvolveMatrixElement: ['objects.feConvolveMatrix'],
+      SVGFEDiffuseLightingElement: ['objects.feDiffuseLighting'],
+      SVGFEPointLightElement: ['objects.fePointLight'],
+      SVGFESpotLightElement: ['objects.feSpotLight'],
+      SVGFEDisplacementMapElement: ['objects.feDisplacementMap'],
+      SVGFEDropShadowElement: ['objects.feDropShadow'],
+      SVGFEFloodElement: ['objects.feFlood'],
+      SVGFEGaussianBlurElement: ['objects.feGaussianBlur'],
+      SVGFEImageElement: ['objects.feImage'],
+      SVGFEMergeElement: ['objects.feMerge'],
+      SVGFEMergeNodeElement: ['objects.feMergeNode'],
+      SVGFEMorphologyElement: ['objects.feMorphology'],
+      SVGFESpecularLightingElement: ['objects.feSpecularLighting'],
+      SVGFETileElement: ['objects.feTile'],
+      SVGFETurbulenceElement: ['objects.feTurbulence']
+    });
+  }
+);