Fixing up DOM constructors.

sdk/lib/svg/dart2js/svg_dart2js.dart

 library dart.dom.svg;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:_collection-dev';
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:_js_helper' show Creates, Returns, JavaScriptIndexingBehavior, JSName;
 import 'dart:_foreign_helper' show JS;
 import 'dart:_interceptors' show Interceptor;
@@ skipping 47 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAElement')
 @Unstable
 class AElement extends StyledElement implements UriReference, Tests, Transformable, ExternalResourcesRequired, LangSpace native "SVGAElement" {
+  // To suppress missing implicit constructor warnings.
+  factory AElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAElement.SVGAElement')
   @DocsEditable
   factory AElement() => _SvgElementFactoryProvider.createSvgElement_tag("a");
 
   @DomName('SVGAElement.target')
   @DocsEditable
   final AnimatedString target;
 
   // From SVGExternalResourcesRequired
@@ skipping 75 matching lines @@
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAltGlyphElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class AltGlyphElement extends TextPositioningElement implements UriReference native "SVGAltGlyphElement" {
+  // To suppress missing implicit constructor warnings.
+  factory AltGlyphElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAltGlyphElement.SVGAltGlyphElement')
   @DocsEditable
   factory AltGlyphElement() => _SvgElementFactoryProvider.createSvgElement_tag("altGlyph");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('altGlyph') && (new SvgElement.tag('altGlyph') is AltGlyphElement);
 
   @DomName('SVGAltGlyphElement.format')
   @DocsEditable
@@ skipping 10 matching lines @@
   final AnimatedString href;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAngle')
 @Unstable
-class Angle native "SVGAngle" {
+class Angle extends Interceptor native "SVGAngle" {
 
   @DomName('SVGAngle.SVG_ANGLETYPE_DEG')
   @DocsEditable
   static const int SVG_ANGLETYPE_DEG = 2;
 
   @DomName('SVGAngle.SVG_ANGLETYPE_GRAD')
   @DocsEditable
   static const int SVG_ANGLETYPE_GRAD = 4;
 
   @DomName('SVGAngle.SVG_ANGLETYPE_RAD')
@@ skipping 37 matching lines @@
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimateElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class AnimateElement extends AnimationElement native "SVGAnimateElement" {
+  // To suppress missing implicit constructor warnings.
+  factory AnimateElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAnimateElement.SVGAnimateElement')
   @DocsEditable
   factory AnimateElement() => _SvgElementFactoryProvider.createSvgElement_tag("animate");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('animate') && (new SvgElement.tag('animate') is AnimateElement);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimateMotionElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class AnimateMotionElement extends AnimationElement native "SVGAnimateMotionElement" {
+  // To suppress missing implicit constructor warnings.
+  factory AnimateMotionElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAnimateMotionElement.SVGAnimateMotionElement')
   @DocsEditable
   factory AnimateMotionElement() => _SvgElementFactoryProvider.createSvgElement_tag("animateMotion");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('animateMotion') && (new SvgElement.tag('animateMotion') is AnimateMotionElement);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimateTransformElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class AnimateTransformElement extends AnimationElement native "SVGAnimateTransformElement" {
+  // To suppress missing implicit constructor warnings.
+  factory AnimateTransformElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAnimateTransformElement.SVGAnimateTransformElement')
   @DocsEditable
   factory AnimateTransformElement() => _SvgElementFactoryProvider.createSvgElement_tag("animateTransform");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('animateTransform') && (new SvgElement.tag('animateTransform') is AnimateTransformElement);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedAngle')
 @Unstable
-class AnimatedAngle native "SVGAnimatedAngle" {
+class AnimatedAngle extends Interceptor native "SVGAnimatedAngle" {
 
   @DomName('SVGAnimatedAngle.animVal')
   @DocsEditable
   final Angle animVal;
 
   @DomName('SVGAnimatedAngle.baseVal')
   @DocsEditable
   final Angle baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedBoolean')
 @Unstable
-class AnimatedBoolean native "SVGAnimatedBoolean" {
+class AnimatedBoolean extends Interceptor native "SVGAnimatedBoolean" {
 
   @DomName('SVGAnimatedBoolean.animVal')
   @DocsEditable
   final bool animVal;
 
   @DomName('SVGAnimatedBoolean.baseVal')
   @DocsEditable
   bool baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedEnumeration')
 @Unstable
-class AnimatedEnumeration native "SVGAnimatedEnumeration" {
+class AnimatedEnumeration extends Interceptor native "SVGAnimatedEnumeration" {
 
   @DomName('SVGAnimatedEnumeration.animVal')
   @DocsEditable
   final int animVal;
 
   @DomName('SVGAnimatedEnumeration.baseVal')
   @DocsEditable
   int baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedInteger')
 @Unstable
-class AnimatedInteger native "SVGAnimatedInteger" {
+class AnimatedInteger extends Interceptor native "SVGAnimatedInteger" {
 
   @DomName('SVGAnimatedInteger.animVal')
   @DocsEditable
   final int animVal;
 
   @DomName('SVGAnimatedInteger.baseVal')
   @DocsEditable
   int baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedLength')
 @Unstable
-class AnimatedLength native "SVGAnimatedLength" {
+class AnimatedLength extends Interceptor native "SVGAnimatedLength" {
 
   @DomName('SVGAnimatedLength.animVal')
   @DocsEditable
   final Length animVal;
 
   @DomName('SVGAnimatedLength.baseVal')
   @DocsEditable
   final Length baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedLengthList')
 @Unstable
-class AnimatedLengthList native "SVGAnimatedLengthList" {
+class AnimatedLengthList extends Interceptor native "SVGAnimatedLengthList" {
 
   @DomName('SVGAnimatedLengthList.animVal')
   @DocsEditable
   final LengthList animVal;
 
   @DomName('SVGAnimatedLengthList.baseVal')
   @DocsEditable
   final LengthList baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedNumber')
 @Unstable
-class AnimatedNumber native "SVGAnimatedNumber" {
+class AnimatedNumber extends Interceptor native "SVGAnimatedNumber" {
 
   @DomName('SVGAnimatedNumber.animVal')
   @DocsEditable
   final num animVal;
 
   @DomName('SVGAnimatedNumber.baseVal')
   @DocsEditable
   num baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedNumberList')
 @Unstable
-class AnimatedNumberList native "SVGAnimatedNumberList" {
+class AnimatedNumberList extends Interceptor native "SVGAnimatedNumberList" {
 
   @DomName('SVGAnimatedNumberList.animVal')
   @DocsEditable
   final NumberList animVal;
 
   @DomName('SVGAnimatedNumberList.baseVal')
   @DocsEditable
   final NumberList baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedPreserveAspectRatio')
 @Unstable
-class AnimatedPreserveAspectRatio native "SVGAnimatedPreserveAspectRatio" {
+class AnimatedPreserveAspectRatio extends Interceptor native "SVGAnimatedPreserveAspectRatio" {
 
   @DomName('SVGAnimatedPreserveAspectRatio.animVal')
   @DocsEditable
   final PreserveAspectRatio animVal;
 
   @DomName('SVGAnimatedPreserveAspectRatio.baseVal')
   @DocsEditable
   final PreserveAspectRatio baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedRect')
 @Unstable
-class AnimatedRect native "SVGAnimatedRect" {
+class AnimatedRect extends Interceptor native "SVGAnimatedRect" {
 
   @DomName('SVGAnimatedRect.animVal')
   @DocsEditable
   final Rect animVal;
 
   @DomName('SVGAnimatedRect.baseVal')
   @DocsEditable
   final Rect baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedString')
 @Unstable
-class AnimatedString native "SVGAnimatedString" {
+class AnimatedString extends Interceptor native "SVGAnimatedString" {
 
   @DomName('SVGAnimatedString.animVal')
   @DocsEditable
   final String animVal;
 
   @DomName('SVGAnimatedString.baseVal')
   @DocsEditable
   String baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimatedTransformList')
 @Unstable
-class AnimatedTransformList native "SVGAnimatedTransformList" {
+class AnimatedTransformList extends Interceptor native "SVGAnimatedTransformList" {
 
   @DomName('SVGAnimatedTransformList.animVal')
   @DocsEditable
   final TransformList animVal;
 
   @DomName('SVGAnimatedTransformList.baseVal')
   @DocsEditable
   final TransformList baseVal;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimationElement')
 @Unstable
 class AnimationElement extends SvgElement implements Tests, ElementTimeControl, ExternalResourcesRequired native "SVGAnimationElement" {
+  // To suppress missing implicit constructor warnings.
+  factory AnimationElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAnimationElement.SVGAnimationElement')
   @DocsEditable
   factory AnimationElement() => _SvgElementFactoryProvider.createSvgElement_tag("animation");
 
   @DomName('SVGAnimationElement.targetElement')
   @DocsEditable
   final SvgElement targetElement;
 
   @DomName('SVGAnimationElement.getCurrentTime')
@@ skipping 52 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGCircleElement')
 @Unstable
 class CircleElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGCircleElement" {
+  // To suppress missing implicit constructor warnings.
+  factory CircleElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGCircleElement.SVGCircleElement')
   @DocsEditable
   factory CircleElement() => _SvgElementFactoryProvider.createSvgElement_tag("circle");
 
   @DomName('SVGCircleElement.cx')
   @DocsEditable
   final AnimatedLength cx;
 
   @DomName('SVGCircleElement.cy')
@@ skipping 74 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGClipPathElement')
 @Unstable
 class ClipPathElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGClipPathElement" {
+  // To suppress missing implicit constructor warnings.
+  factory ClipPathElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGClipPathElement.SVGClipPathElement')
   @DocsEditable
   factory ClipPathElement() => _SvgElementFactoryProvider.createSvgElement_tag("clipPath");
 
   @DomName('SVGClipPathElement.clipPathUnits')
   @DocsEditable
   final AnimatedEnumeration clipPathUnits;
 
   // From SVGExternalResourcesRequired
@@ skipping 66 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGDefsElement')
 @Unstable
 class DefsElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGDefsElement" {
+  // To suppress missing implicit constructor warnings.
+  factory DefsElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGDefsElement.SVGDefsElement')
   @DocsEditable
   factory DefsElement() => _SvgElementFactoryProvider.createSvgElement_tag("defs");
 
   // From SVGExternalResourcesRequired
 
   @DomName('SVGDefsElement.externalResourcesRequired')
   @DocsEditable
   final AnimatedBoolean externalResourcesRequired;
@@ skipping 62 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGDescElement')
 @Unstable
 class DescElement extends StyledElement implements LangSpace native "SVGDescElement" {
+  // To suppress missing implicit constructor warnings.
+  factory DescElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGDescElement.SVGDescElement')
   @DocsEditable
   factory DescElement() => _SvgElementFactoryProvider.createSvgElement_tag("desc");
 
   // From SVGLangSpace
 
   @DomName('SVGDescElement.xmllang')
   @DocsEditable
   String xmllang;
 
   @DomName('SVGDescElement.xmlspace')
   @DocsEditable
   String xmlspace;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGElementInstance')
 @Unstable
 class ElementInstance extends EventTarget native "SVGElementInstance" {
+  // To suppress missing implicit constructor warnings.
+  factory ElementInstance._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGElementInstance.abortEvent')
   @DocsEditable
   static const EventStreamProvider<Event> abortEvent = const EventStreamProvider<Event>('abort');
 
   @DomName('SVGElementInstance.beforecopyEvent')
   @DocsEditable
   static const EventStreamProvider<Event> beforeCopyEvent = const EventStreamProvider<Event>('beforecopy');
 
   @DomName('SVGElementInstance.beforecutEvent')
@@ skipping 348 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGEllipseElement')
 @Unstable
 class EllipseElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGEllipseElement" {
+  // To suppress missing implicit constructor warnings.
+  factory EllipseElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGEllipseElement.SVGEllipseElement')
   @DocsEditable
   factory EllipseElement() => _SvgElementFactoryProvider.createSvgElement_tag("ellipse");
 
   @DomName('SVGEllipseElement.cx')
   @DocsEditable
   final AnimatedLength cx;
 
   @DomName('SVGEllipseElement.cy')
@@ skipping 74 matching lines @@
 
   @DomName('SVGEllipseElement.transform')
   @DocsEditable
   final AnimatedTransformList transform;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGExternalResourcesRequired')
 @Unstable
-abstract class ExternalResourcesRequired {
+abstract class ExternalResourcesRequired extends Interceptor {
 
   /// Checks if this type is supported on the current platform.
   static bool supported(SvgElement element) => JS('bool', '#.externalResourcesRequired !== undefined && #.externalResourcesRequired.animVal !== undefined', element, element);
 
   AnimatedBoolean externalResourcesRequired;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFEBlendElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEBlendElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEBlendElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEBlendElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEBlendElement.SVGFEBlendElement')
   @DocsEditable
   factory FEBlendElement() => _SvgElementFactoryProvider.createSvgElement_tag("feBlend");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feBlend') && (new SvgElement.tag('feBlend') is FEBlendElement);
 
   @DomName('SVGFEBlendElement.SVG_FEBLEND_MODE_DARKEN')
   @DocsEditable
@@ skipping 59 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEColorMatrixElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEColorMatrixElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEColorMatrixElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEColorMatrixElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEColorMatrixElement.SVGFEColorMatrixElement')
   @DocsEditable
   factory FEColorMatrixElement() => _SvgElementFactoryProvider.createSvgElement_tag("feColorMatrix");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feColorMatrix') && (new SvgElement.tag('feColorMatrix') is FEColorMatrixElement);
 
   @DomName('SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_HUEROTATE')
   @DocsEditable
@@ skipping 55 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEComponentTransferElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEComponentTransferElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEComponentTransferElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEComponentTransferElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEComponentTransferElement.SVGFEComponentTransferElement')
   @DocsEditable
   factory FEComponentTransferElement() => _SvgElementFactoryProvider.createSvgElement_tag("feComponentTransfer");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feComponentTransfer') && (new SvgElement.tag('feComponentTransfer') is FEComponentTransferElement);
 
   @DomName('SVGFEComponentTransferElement.in1')
   @DocsEditable
@@ skipping 23 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFECompositeElement')
 @Unstable
 class FECompositeElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFECompositeElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FECompositeElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_ARITHMETIC')
   @DocsEditable
   static const int SVG_FECOMPOSITE_OPERATOR_ARITHMETIC = 6;
 
   @DomName('SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_ATOP')
   @DocsEditable
   static const int SVG_FECOMPOSITE_OPERATOR_ATOP = 4;
 
   @DomName('SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_IN')
@@ skipping 72 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEConvolveMatrixElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEConvolveMatrixElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEConvolveMatrixElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEConvolveMatrixElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEConvolveMatrixElement.SVGFEConvolveMatrixElement')
   @DocsEditable
   factory FEConvolveMatrixElement() => _SvgElementFactoryProvider.createSvgElement_tag("feConvolveMatrix");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feConvolveMatrix') && (new SvgElement.tag('feConvolveMatrix') is FEConvolveMatrixElement);
 
   @DomName('SVGFEConvolveMatrixElement.SVG_EDGEMODE_DUPLICATE')
   @DocsEditable
@@ skipping 87 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEDiffuseLightingElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEDiffuseLightingElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEDiffuseLightingElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEDiffuseLightingElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEDiffuseLightingElement.SVGFEDiffuseLightingElement')
   @DocsEditable
   factory FEDiffuseLightingElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDiffuseLighting");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feDiffuseLighting') && (new SvgElement.tag('feDiffuseLighting') is FEDiffuseLightingElement);
 
   @DomName('SVGFEDiffuseLightingElement.diffuseConstant')
   @DocsEditable
@@ skipping 43 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEDisplacementMapElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEDisplacementMapElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEDisplacementMapElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEDisplacementMapElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEDisplacementMapElement.SVGFEDisplacementMapElement')
   @DocsEditable
   factory FEDisplacementMapElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDisplacementMap");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feDisplacementMap') && (new SvgElement.tag('feDisplacementMap') is FEDisplacementMapElement);
 
   @DomName('SVGFEDisplacementMapElement.SVG_CHANNEL_A')
   @DocsEditable
@@ skipping 63 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEDistantLightElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEDistantLightElement extends SvgElement native "SVGFEDistantLightElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEDistantLightElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEDistantLightElement.SVGFEDistantLightElement')
   @DocsEditable
   factory FEDistantLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDistantLight");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feDistantLight') && (new SvgElement.tag('feDistantLight') is FEDistantLightElement);
 
   @DomName('SVGFEDistantLightElement.azimuth')
   @DocsEditable
   final AnimatedNumber azimuth;
 
   @DomName('SVGFEDistantLightElement.elevation')
   @DocsEditable
   final AnimatedNumber elevation;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFEFloodElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFloodElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEFloodElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEFloodElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEFloodElement.SVGFEFloodElement')
   @DocsEditable
   factory FEFloodElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFlood");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feFlood') && (new SvgElement.tag('feFlood') is FEFloodElement);
 
   // From SVGFilterPrimitiveStandardAttributes
 
@@ skipping 23 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEFuncAElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFuncAElement extends _SVGComponentTransferFunctionElement native "SVGFEFuncAElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEFuncAElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEFuncAElement.SVGFEFuncAElement')
   @DocsEditable
   factory FEFuncAElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncA");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feFuncA') && (new SvgElement.tag('feFuncA') is FEFuncAElement);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFEFuncBElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFuncBElement extends _SVGComponentTransferFunctionElement native "SVGFEFuncBElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEFuncBElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEFuncBElement.SVGFEFuncBElement')
   @DocsEditable
   factory FEFuncBElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncB");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feFuncB') && (new SvgElement.tag('feFuncB') is FEFuncBElement);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFEFuncGElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFuncGElement extends _SVGComponentTransferFunctionElement native "SVGFEFuncGElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEFuncGElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEFuncGElement.SVGFEFuncGElement')
   @DocsEditable
   factory FEFuncGElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncG");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feFuncG') && (new SvgElement.tag('feFuncG') is FEFuncGElement);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFEFuncRElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFuncRElement extends _SVGComponentTransferFunctionElement native "SVGFEFuncRElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEFuncRElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEFuncRElement.SVGFEFuncRElement')
   @DocsEditable
   factory FEFuncRElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncR");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feFuncR') && (new SvgElement.tag('feFuncR') is FEFuncRElement);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFEGaussianBlurElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEGaussianBlurElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEGaussianBlurElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEGaussianBlurElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEGaussianBlurElement.SVGFEGaussianBlurElement')
   @DocsEditable
   factory FEGaussianBlurElement() => _SvgElementFactoryProvider.createSvgElement_tag("feGaussianBlur");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feGaussianBlur') && (new SvgElement.tag('feGaussianBlur') is FEGaussianBlurElement);
 
   @DomName('SVGFEGaussianBlurElement.in1')
   @DocsEditable
@@ skipping 39 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEImageElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEImageElement extends StyledElement implements FilterPrimitiveStandardAttributes, UriReference, ExternalResourcesRequired, LangSpace native "SVGFEImageElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEImageElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEImageElement.SVGFEImageElement')
   @DocsEditable
   factory FEImageElement() => _SvgElementFactoryProvider.createSvgElement_tag("feImage");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feImage') && (new SvgElement.tag('feImage') is FEImageElement);
 
   @DomName('SVGFEImageElement.preserveAspectRatio')
   @DocsEditable
@@ skipping 49 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEMergeElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEMergeElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEMergeElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEMergeElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEMergeElement.SVGFEMergeElement')
   @DocsEditable
   factory FEMergeElement() => _SvgElementFactoryProvider.createSvgElement_tag("feMerge");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feMerge') && (new SvgElement.tag('feMerge') is FEMergeElement);
 
   // From SVGFilterPrimitiveStandardAttributes
 
@@ skipping 23 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEMergeNodeElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEMergeNodeElement extends SvgElement native "SVGFEMergeNodeElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEMergeNodeElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEMergeNodeElement.SVGFEMergeNodeElement')
   @DocsEditable
   factory FEMergeNodeElement() => _SvgElementFactoryProvider.createSvgElement_tag("feMergeNode");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feMergeNode') && (new SvgElement.tag('feMergeNode') is FEMergeNodeElement);
 
   @DomName('SVGFEMergeNodeElement.in1')
   @DocsEditable
   final AnimatedString in1;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFEMorphologyElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEMorphologyElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEMorphologyElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEMorphologyElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEMorphologyElement.SVG_MORPHOLOGY_OPERATOR_DILATE')
   @DocsEditable
   static const int SVG_MORPHOLOGY_OPERATOR_DILATE = 2;
 
   @DomName('SVGFEMorphologyElement.SVG_MORPHOLOGY_OPERATOR_ERODE')
   @DocsEditable
   static const int SVG_MORPHOLOGY_OPERATOR_ERODE = 1;
 
   @DomName('SVGFEMorphologyElement.SVG_MORPHOLOGY_OPERATOR_UNKNOWN')
@@ skipping 48 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEOffsetElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEOffsetElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEOffsetElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEOffsetElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEOffsetElement.SVGFEOffsetElement')
   @DocsEditable
   factory FEOffsetElement() => _SvgElementFactoryProvider.createSvgElement_tag("feOffset");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feOffset') && (new SvgElement.tag('feOffset') is FEOffsetElement);
 
   @DomName('SVGFEOffsetElement.dx')
   @DocsEditable
@@ skipping 35 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEPointLightElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEPointLightElement extends SvgElement native "SVGFEPointLightElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FEPointLightElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEPointLightElement.SVGFEPointLightElement')
   @DocsEditable
   factory FEPointLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("fePointLight");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('fePointLight') && (new SvgElement.tag('fePointLight') is FEPointLightElement);
 
   @DomName('SVGFEPointLightElement.x')
   @DocsEditable
@@ skipping 13 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFESpecularLightingElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FESpecularLightingElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFESpecularLightingElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FESpecularLightingElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFESpecularLightingElement.SVGFESpecularLightingElement')
   @DocsEditable
   factory FESpecularLightingElement() => _SvgElementFactoryProvider.createSvgElement_tag("feSpecularLighting");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feSpecularLighting') && (new SvgElement.tag('feSpecularLighting') is FESpecularLightingElement);
 
   @DomName('SVGFESpecularLightingElement.in1')
   @DocsEditable
@@ skipping 39 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFESpotLightElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FESpotLightElement extends SvgElement native "SVGFESpotLightElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FESpotLightElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFESpotLightElement.SVGFESpotLightElement')
   @DocsEditable
   factory FESpotLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("feSpotLight");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feSpotLight') && (new SvgElement.tag('feSpotLight') is FESpotLightElement);
 
   @DomName('SVGFESpotLightElement.limitingConeAngle')
   @DocsEditable
@@ skipping 33 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFETileElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FETileElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFETileElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FETileElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFETileElement.SVGFETileElement')
   @DocsEditable
   factory FETileElement() => _SvgElementFactoryProvider.createSvgElement_tag("feTile");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feTile') && (new SvgElement.tag('feTile') is FETileElement);
 
   @DomName('SVGFETileElement.in1')
   @DocsEditable
@@ skipping 27 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFETurbulenceElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FETurbulenceElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFETurbulenceElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FETurbulenceElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFETurbulenceElement.SVGFETurbulenceElement')
   @DocsEditable
   factory FETurbulenceElement() => _SvgElementFactoryProvider.createSvgElement_tag("feTurbulence");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('feTurbulence') && (new SvgElement.tag('feTurbulence') is FETurbulenceElement);
 
   @DomName('SVGFETurbulenceElement.SVG_STITCHTYPE_NOSTITCH')
   @DocsEditable
@@ skipping 71 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFilterElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FilterElement extends StyledElement implements UriReference, ExternalResourcesRequired, LangSpace native "SVGFilterElement" {
+  // To suppress missing implicit constructor warnings.
+  factory FilterElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFilterElement.SVGFilterElement')
   @DocsEditable
   factory FilterElement() => _SvgElementFactoryProvider.createSvgElement_tag("filter");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('filter') && (new SvgElement.tag('filter') is FilterElement);
 
   @DomName('SVGFilterElement.filterResX')
   @DocsEditable
@@ skipping 51 matching lines @@
 
   @DomName('SVGFilterElement.href')
   @DocsEditable
   final AnimatedString href;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGFilterPrimitiveStandardAttributes')
 @Unstable
-abstract class FilterPrimitiveStandardAttributes {
+abstract class FilterPrimitiveStandardAttributes extends Interceptor {
 
   AnimatedLength height;
 
   AnimatedString result;
 
   AnimatedLength width;
 
   AnimatedLength x;
 
   AnimatedLength y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGFitToViewBox')
 @Unstable
-abstract class FitToViewBox {
+abstract class FitToViewBox extends Interceptor {
 
   AnimatedPreserveAspectRatio preserveAspectRatio;
 
   AnimatedRect viewBox;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGForeignObjectElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class ForeignObjectElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGForeignObjectElement" {
+  // To suppress missing implicit constructor warnings.
+  factory ForeignObjectElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGForeignObjectElement.SVGForeignObjectElement')
   @DocsEditable
   factory ForeignObjectElement() => _SvgElementFactoryProvider.createSvgElement_tag("foreignObject");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('foreignObject') && (new SvgElement.tag('foreignObject') is ForeignObjectElement);
 
   @DomName('SVGForeignObjectElement.height')
   @DocsEditable
@@ skipping 81 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGGElement')
 @Unstable
 class GElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGGElement" {
+  // To suppress missing implicit constructor warnings.
+  factory GElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGGElement.SVGGElement')
   @DocsEditable
   factory GElement() => _SvgElementFactoryProvider.createSvgElement_tag("g");
 
   // From SVGExternalResourcesRequired
 
   @DomName('SVGGElement.externalResourcesRequired')
   @DocsEditable
   final AnimatedBoolean externalResourcesRequired;
@@ skipping 62 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGImageElement')
 @Unstable
 class ImageElement extends StyledElement implements UriReference, Tests, Transformable, ExternalResourcesRequired, LangSpace native "SVGImageElement" {
+  // To suppress missing implicit constructor warnings.
+  factory ImageElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGImageElement.SVGImageElement')
   @DocsEditable
   factory ImageElement() => _SvgElementFactoryProvider.createSvgElement_tag("image");
 
   @DomName('SVGImageElement.height')
   @DocsEditable
   final AnimatedLength height;
 
   @DomName('SVGImageElement.preserveAspectRatio')
@@ skipping 84 matching lines @@
 
   @DomName('SVGImageElement.href')
   @DocsEditable
   final AnimatedString href;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGLangSpace')
 @Unstable
-abstract class LangSpace {
+abstract class LangSpace extends Interceptor {
 
   /// Checks if this type is supported on the current platform.
   static bool supported(SvgElement element) => JS('bool', '#.xmlspace !== undefined && #.xmllang !== undefined', element, element);
 
   String xmllang;
 
   String xmlspace;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGLength')
 @Unstable
-class Length native "SVGLength" {
+class Length extends Interceptor native "SVGLength" {
 
   @DomName('SVGLength.SVG_LENGTHTYPE_CM')
   @DocsEditable
   static const int SVG_LENGTHTYPE_CM = 6;
 
   @DomName('SVGLength.SVG_LENGTHTYPE_EMS')
   @DocsEditable
   static const int SVG_LENGTHTYPE_EMS = 3;
 
   @DomName('SVGLength.SVG_LENGTHTYPE_EXS')
@@ skipping 146 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGLineElement')
 @Unstable
 class LineElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGLineElement" {
+  // To suppress missing implicit constructor warnings.
+  factory LineElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGLineElement.SVGLineElement')
   @DocsEditable
   factory LineElement() => _SvgElementFactoryProvider.createSvgElement_tag("line");
 
   @DomName('SVGLineElement.x1')
   @DocsEditable
   final AnimatedLength x1;
 
   @DomName('SVGLineElement.x2')
@@ skipping 78 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGLinearGradientElement')
 @Unstable
 class LinearGradientElement extends _GradientElement native "SVGLinearGradientElement" {
+  // To suppress missing implicit constructor warnings.
+  factory LinearGradientElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGLinearGradientElement.SVGLinearGradientElement')
   @DocsEditable
   factory LinearGradientElement() => _SvgElementFactoryProvider.createSvgElement_tag("linearGradient");
 
   @DomName('SVGLinearGradientElement.x1')
   @DocsEditable
   final AnimatedLength x1;
 
   @DomName('SVGLinearGradientElement.x2')
   @DocsEditable
   final AnimatedLength x2;
 
   @DomName('SVGLinearGradientElement.y1')
   @DocsEditable
   final AnimatedLength y1;
 
   @DomName('SVGLinearGradientElement.y2')
   @DocsEditable
   final AnimatedLength y2;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGLocatable')
 @Unstable
-abstract class Locatable {
+abstract class Locatable extends Interceptor {
 
   SvgElement farthestViewportElement;
 
   SvgElement nearestViewportElement;
 
   Rect getBBox();
 
   Matrix getCTM();
 
   Matrix getScreenCTM();
 
   Matrix getTransformToElement(SvgElement element);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGMarkerElement')
 @Unstable
 class MarkerElement extends StyledElement implements FitToViewBox, ExternalResourcesRequired, LangSpace native "SVGMarkerElement" {
+  // To suppress missing implicit constructor warnings.
+  factory MarkerElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGMarkerElement.SVGMarkerElement')
   @DocsEditable
   factory MarkerElement() => _SvgElementFactoryProvider.createSvgElement_tag("marker");
 
   @DomName('SVGMarkerElement.SVG_MARKERUNITS_STROKEWIDTH')
   @DocsEditable
   static const int SVG_MARKERUNITS_STROKEWIDTH = 2;
 
   @DomName('SVGMarkerElement.SVG_MARKERUNITS_UNKNOWN')
@@ skipping 80 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGMaskElement')
 @Unstable
 class MaskElement extends StyledElement implements Tests, ExternalResourcesRequired, LangSpace native "SVGMaskElement" {
+  // To suppress missing implicit constructor warnings.
+  factory MaskElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGMaskElement.SVGMaskElement')
   @DocsEditable
   factory MaskElement() => _SvgElementFactoryProvider.createSvgElement_tag("mask");
 
   @DomName('SVGMaskElement.height')
   @DocsEditable
   final AnimatedLength height;
 
   @DomName('SVGMaskElement.maskContentUnits')
@@ skipping 51 matching lines @@
   bool hasExtension(String extension) native;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGMatrix')
 @Unstable
-class Matrix native "SVGMatrix" {
+class Matrix extends Interceptor native "SVGMatrix" {
 
   @DomName('SVGMatrix.a')
   @DocsEditable
   num a;
 
   @DomName('SVGMatrix.b')
   @DocsEditable
   num b;
 
   @DomName('SVGMatrix.c')
@@ skipping 58 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGMetadataElement')
 @Unstable
 class MetadataElement extends SvgElement native "SVGMetadataElement" {
+  // To suppress missing implicit constructor warnings.
+  factory MetadataElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGNumber')
 @Unstable
-class Number native "SVGNumber" {
+class Number extends Interceptor native "SVGNumber" {
 
   @DomName('SVGNumber.value')
   @DocsEditable
   num value;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
@@ skipping 82 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathElement')
 @Unstable
 class PathElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGPathElement" {
+  // To suppress missing implicit constructor warnings.
+  factory PathElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathElement.SVGPathElement')
   @DocsEditable
   factory PathElement() => _SvgElementFactoryProvider.createSvgElement_tag("path");
 
   @DomName('SVGPathElement.animatedNormalizedPathSegList')
   @DocsEditable
   final PathSegList animatedNormalizedPathSegList;
 
   @DomName('SVGPathElement.animatedPathSegList')
@@ skipping 188 matching lines @@
   final AnimatedTransformList transform;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSeg')
 @Unstable
-class PathSeg native "SVGPathSeg" {
+class PathSeg extends Interceptor native "SVGPathSeg" {
 
   @DomName('SVGPathSeg.PATHSEG_ARC_ABS')
   @DocsEditable
   static const int PATHSEG_ARC_ABS = 10;
 
   @DomName('SVGPathSeg.PATHSEG_ARC_REL')
   @DocsEditable
   static const int PATHSEG_ARC_REL = 11;
 
   @DomName('SVGPathSeg.PATHSEG_CLOSEPATH')
@@ skipping 78 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegArcAbs')
 @Unstable
 class PathSegArcAbs extends PathSeg native "SVGPathSegArcAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegArcAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegArcAbs.angle')
   @DocsEditable
   num angle;
 
   @DomName('SVGPathSegArcAbs.largeArcFlag')
   @DocsEditable
   bool largeArcFlag;
 
   @DomName('SVGPathSegArcAbs.r1')
@@ skipping 18 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegArcRel')
 @Unstable
 class PathSegArcRel extends PathSeg native "SVGPathSegArcRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegArcRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegArcRel.angle')
   @DocsEditable
   num angle;
 
   @DomName('SVGPathSegArcRel.largeArcFlag')
   @DocsEditable
   bool largeArcFlag;
 
   @DomName('SVGPathSegArcRel.r1')
@@ skipping 18 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegClosePath')
 @Unstable
 class PathSegClosePath extends PathSeg native "SVGPathSegClosePath" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegClosePath._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoCubicAbs')
 @Unstable
 class PathSegCurvetoCubicAbs extends PathSeg native "SVGPathSegCurvetoCubicAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegCurvetoCubicAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegCurvetoCubicAbs.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegCurvetoCubicAbs.x1')
   @DocsEditable
   num x1;
 
   @DomName('SVGPathSegCurvetoCubicAbs.x2')
@@ skipping 14 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoCubicRel')
 @Unstable
 class PathSegCurvetoCubicRel extends PathSeg native "SVGPathSegCurvetoCubicRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegCurvetoCubicRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegCurvetoCubicRel.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegCurvetoCubicRel.x1')
   @DocsEditable
   num x1;
 
   @DomName('SVGPathSegCurvetoCubicRel.x2')
@@ skipping 14 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoCubicSmoothAbs')
 @Unstable
 class PathSegCurvetoCubicSmoothAbs extends PathSeg native "SVGPathSegCurvetoCubicSmoothAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegCurvetoCubicSmoothAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegCurvetoCubicSmoothAbs.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegCurvetoCubicSmoothAbs.x2')
   @DocsEditable
   num x2;
 
   @DomName('SVGPathSegCurvetoCubicSmoothAbs.y')
   @DocsEditable
   num y;
 
   @DomName('SVGPathSegCurvetoCubicSmoothAbs.y2')
   @DocsEditable
   num y2;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoCubicSmoothRel')
 @Unstable
 class PathSegCurvetoCubicSmoothRel extends PathSeg native "SVGPathSegCurvetoCubicSmoothRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegCurvetoCubicSmoothRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegCurvetoCubicSmoothRel.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegCurvetoCubicSmoothRel.x2')
   @DocsEditable
   num x2;
 
   @DomName('SVGPathSegCurvetoCubicSmoothRel.y')
   @DocsEditable
   num y;
 
   @DomName('SVGPathSegCurvetoCubicSmoothRel.y2')
   @DocsEditable
   num y2;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoQuadraticAbs')
 @Unstable
 class PathSegCurvetoQuadraticAbs extends PathSeg native "SVGPathSegCurvetoQuadraticAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegCurvetoQuadraticAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegCurvetoQuadraticAbs.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegCurvetoQuadraticAbs.x1')
   @DocsEditable
   num x1;
 
   @DomName('SVGPathSegCurvetoQuadraticAbs.y')
   @DocsEditable
   num y;
 
   @DomName('SVGPathSegCurvetoQuadraticAbs.y1')
   @DocsEditable
   num y1;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoQuadraticRel')
 @Unstable
 class PathSegCurvetoQuadraticRel extends PathSeg native "SVGPathSegCurvetoQuadraticRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegCurvetoQuadraticRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegCurvetoQuadraticRel.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegCurvetoQuadraticRel.x1')
   @DocsEditable
   num x1;
 
   @DomName('SVGPathSegCurvetoQuadraticRel.y')
   @DocsEditable
   num y;
 
   @DomName('SVGPathSegCurvetoQuadraticRel.y1')
   @DocsEditable
   num y1;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoQuadraticSmoothAbs')
 @Unstable
 class PathSegCurvetoQuadraticSmoothAbs extends PathSeg native "SVGPathSegCurvetoQuadraticSmoothAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegCurvetoQuadraticSmoothAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothAbs.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothAbs.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoQuadraticSmoothRel')
 @Unstable
 class PathSegCurvetoQuadraticSmoothRel extends PathSeg native "SVGPathSegCurvetoQuadraticSmoothRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegCurvetoQuadraticSmoothRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothRel.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothRel.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoAbs')
 @Unstable
 class PathSegLinetoAbs extends PathSeg native "SVGPathSegLinetoAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegLinetoAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegLinetoAbs.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegLinetoAbs.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoHorizontalAbs')
 @Unstable
 class PathSegLinetoHorizontalAbs extends PathSeg native "SVGPathSegLinetoHorizontalAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegLinetoHorizontalAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegLinetoHorizontalAbs.x')
   @DocsEditable
   num x;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoHorizontalRel')
 @Unstable
 class PathSegLinetoHorizontalRel extends PathSeg native "SVGPathSegLinetoHorizontalRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegLinetoHorizontalRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegLinetoHorizontalRel.x')
   @DocsEditable
   num x;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoRel')
 @Unstable
 class PathSegLinetoRel extends PathSeg native "SVGPathSegLinetoRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegLinetoRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegLinetoRel.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegLinetoRel.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoVerticalAbs')
 @Unstable
 class PathSegLinetoVerticalAbs extends PathSeg native "SVGPathSegLinetoVerticalAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegLinetoVerticalAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegLinetoVerticalAbs.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoVerticalRel')
 @Unstable
 class PathSegLinetoVerticalRel extends PathSeg native "SVGPathSegLinetoVerticalRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegLinetoVerticalRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegLinetoVerticalRel.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
@@ skipping 82 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegMovetoAbs')
 @Unstable
 class PathSegMovetoAbs extends PathSeg native "SVGPathSegMovetoAbs" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegMovetoAbs._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegMovetoAbs.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegMovetoAbs.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPathSegMovetoRel')
 @Unstable
 class PathSegMovetoRel extends PathSeg native "SVGPathSegMovetoRel" {
+  // To suppress missing implicit constructor warnings.
+  factory PathSegMovetoRel._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathSegMovetoRel.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPathSegMovetoRel.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPatternElement')
 @Unstable
 class PatternElement extends StyledElement implements FitToViewBox, UriReference, Tests, ExternalResourcesRequired, LangSpace native "SVGPatternElement" {
+  // To suppress missing implicit constructor warnings.
+  factory PatternElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPatternElement.SVGPatternElement')
   @DocsEditable
   factory PatternElement() => _SvgElementFactoryProvider.createSvgElement_tag("pattern");
 
   @DomName('SVGPatternElement.height')
   @DocsEditable
   final AnimatedLength height;
 
   @DomName('SVGPatternElement.patternContentUnits')
@@ skipping 71 matching lines @@
   final AnimatedString href;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPoint')
 @Unstable
-class Point native "SVGPoint" {
+class Point extends Interceptor native "SVGPoint" {
 
   @DomName('SVGPoint.x')
   @DocsEditable
   num x;
 
   @DomName('SVGPoint.y')
   @DocsEditable
   num y;
 
   @DomName('SVGPoint.matrixTransform')
   @DocsEditable
   Point matrixTransform(Matrix matrix) native;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPointList')
 @Unstable
-class PointList native "SVGPointList" {
+class PointList extends Interceptor native "SVGPointList" {
 
   @DomName('SVGPointList.numberOfItems')
   @DocsEditable
   final int numberOfItems;
 
   @DomName('SVGPointList.appendItem')
   @DocsEditable
   Point appendItem(Point item) native;
 
   @DomName('SVGPointList.clear')
@@ skipping 22 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPolygonElement')
 @Unstable
 class PolygonElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGPolygonElement" {
+  // To suppress missing implicit constructor warnings.
+  factory PolygonElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPolygonElement.SVGPolygonElement')
   @DocsEditable
   factory PolygonElement() => _SvgElementFactoryProvider.createSvgElement_tag("polygon");
 
   @DomName('SVGPolygonElement.animatedPoints')
   @DocsEditable
   final PointList animatedPoints;
 
   @DomName('SVGPolygonElement.points')
@@ skipping 70 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPolylineElement')
 @Unstable
 class PolylineElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGPolylineElement" {
+  // To suppress missing implicit constructor warnings.
+  factory PolylineElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPolylineElement.SVGPolylineElement')
   @DocsEditable
   factory PolylineElement() => _SvgElementFactoryProvider.createSvgElement_tag("polyline");
 
   @DomName('SVGPolylineElement.animatedPoints')
   @DocsEditable
   final PointList animatedPoints;
 
   @DomName('SVGPolylineElement.points')
@@ skipping 69 matching lines @@
   final AnimatedTransformList transform;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPreserveAspectRatio')
 @Unstable
-class PreserveAspectRatio native "SVGPreserveAspectRatio" {
+class PreserveAspectRatio extends Interceptor native "SVGPreserveAspectRatio" {
 
   @DomName('SVGPreserveAspectRatio.SVG_MEETORSLICE_MEET')
   @DocsEditable
   static const int SVG_MEETORSLICE_MEET = 1;
 
   @DomName('SVGPreserveAspectRatio.SVG_MEETORSLICE_SLICE')
   @DocsEditable
   static const int SVG_MEETORSLICE_SLICE = 2;
 
   @DomName('SVGPreserveAspectRatio.SVG_MEETORSLICE_UNKNOWN')
@@ skipping 54 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGRadialGradientElement')
 @Unstable
 class RadialGradientElement extends _GradientElement native "SVGRadialGradientElement" {
+  // To suppress missing implicit constructor warnings.
+  factory RadialGradientElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGRadialGradientElement.SVGRadialGradientElement')
   @DocsEditable
   factory RadialGradientElement() => _SvgElementFactoryProvider.createSvgElement_tag("radialGradient");
 
   @DomName('SVGRadialGradientElement.cx')
   @DocsEditable
   final AnimatedLength cx;
 
   @DomName('SVGRadialGradientElement.cy')
@@ skipping 17 matching lines @@
   final AnimatedLength r;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGRect')
 @Unstable
-class Rect native "SVGRect" {
+class Rect extends Interceptor native "SVGRect" {
 
   @DomName('SVGRect.height')
   @DocsEditable
   num height;
 
   @DomName('SVGRect.width')
   @DocsEditable
   num width;
 
   @DomName('SVGRect.x')
   @DocsEditable
   num x;
 
   @DomName('SVGRect.y')
   @DocsEditable
   num y;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGRectElement')
 @Unstable
 class RectElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGRectElement" {
+  // To suppress missing implicit constructor warnings.
+  factory RectElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGRectElement.SVGRectElement')
   @DocsEditable
   factory RectElement() => _SvgElementFactoryProvider.createSvgElement_tag("rect");
 
   @DomName('SVGRectElement.height')
   @DocsEditable
   final AnimatedLength height;
 
   @DomName('SVGRectElement.rx')
@@ skipping 85 matching lines @@
   final AnimatedTransformList transform;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGRenderingIntent')
 @Unstable
-class RenderingIntent native "SVGRenderingIntent" {
+class RenderingIntent extends Interceptor native "SVGRenderingIntent" {
 
   @DomName('SVGRenderingIntent.RENDERING_INTENT_ABSOLUTE_COLORIMETRIC')
   @DocsEditable
   static const int RENDERING_INTENT_ABSOLUTE_COLORIMETRIC = 5;
 
   @DomName('SVGRenderingIntent.RENDERING_INTENT_AUTO')
   @DocsEditable
   static const int RENDERING_INTENT_AUTO = 1;
 
   @DomName('SVGRenderingIntent.RENDERING_INTENT_PERCEPTUAL')
@@ skipping 14 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGScriptElement')
 @Unstable
 class ScriptElement extends SvgElement implements UriReference, ExternalResourcesRequired native "SVGScriptElement" {
+  // To suppress missing implicit constructor warnings.
+  factory ScriptElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGScriptElement.SVGScriptElement')
   @DocsEditable
   factory ScriptElement() => _SvgElementFactoryProvider.createSvgElement_tag("script");
 
   @DomName('SVGScriptElement.type')
   @DocsEditable
   String type;
 
   // From SVGExternalResourcesRequired
@@ skipping 13 matching lines @@
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGSetElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class SetElement extends AnimationElement native "SVGSetElement" {
+  // To suppress missing implicit constructor warnings.
+  factory SetElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGSetElement.SVGSetElement')
   @DocsEditable
   factory SetElement() => _SvgElementFactoryProvider.createSvgElement_tag("set");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('set') && (new SvgElement.tag('set') is SetElement);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGStopElement')
 @Unstable
 class StopElement extends StyledElement native "SVGStopElement" {
+  // To suppress missing implicit constructor warnings.
+  factory StopElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGStopElement.SVGStopElement')
   @DocsEditable
   factory StopElement() => _SvgElementFactoryProvider.createSvgElement_tag("stop");
 
   @JSName('offset')
   @DomName('SVGStopElement.offset')
   @DocsEditable
   final AnimatedNumber gradientOffset;
 }
@@ skipping 88 matching lines @@
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGStyleElement')
 // http://www.w3.org/TR/SVG/types.html#InterfaceSVGStylable
 @Experimental // nonstandard
 class StyleElement extends SvgElement implements LangSpace native "SVGStyleElement" {
+  // To suppress missing implicit constructor warnings.
+  factory StyleElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGStyleElement.SVGStyleElement')
   @DocsEditable
   factory StyleElement() => _SvgElementFactoryProvider.createSvgElement_tag("style");
 
   @DomName('SVGStyleElement.disabled')
   @DocsEditable
   bool disabled;
 
   @DomName('SVGStyleElement.media')
@@ skipping 23 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGStyledElement')
 @Unstable
 class StyledElement extends SvgElement native "SVGStyledElement" {
+  // To suppress missing implicit constructor warnings.
+  factory StyledElement._() { throw new UnsupportedError("Not supported"); }
 
   // Shadowing definition.
   AnimatedString get $dom_svgClassName => JS("AnimatedString", "#.className", this);
 
   // Use implementation from Element.
   // final CssStyleDeclaration style;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGDocument')
 @Unstable
 class SvgDocument extends Document native "SVGDocument" {
+  // To suppress missing implicit constructor warnings.
+  factory SvgDocument._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGDocument.rootElement')
   @DocsEditable
   final SvgSvgElement rootElement;
 
   @JSName('createEvent')
   @DomName('SVGDocument.createEvent')
   @DocsEditable
   Event $dom_createEvent(String eventType) native;
 }
@@ skipping 102 matching lines @@
 
   /**
    * Checks to see if the SVG element type is supported by the current platform.
    *
    * The tag should be a valid SVG element tag name.
    */
   static bool isTagSupported(String tag) {
     var e = new SvgElement.tag(tag);
     return e is SvgElement && !(e is UnknownElement);
   }
+  // To suppress missing implicit constructor warnings.
+  factory SvgElement._() { throw new UnsupportedError("Not supported"); }
 
   // Shadowing definition.
   String get id => JS("String", "#.id", this);
 
   void set id(String value) {
     JS("void", "#.id = #", this, value);
   }
 
   @JSName('ownerSVGElement')
   @DomName('SVGElement.ownerSVGElement')
@@ skipping 10 matching lines @@
 
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGException')
 @Unstable
-class SvgException native "SVGException" {
+class SvgException extends Interceptor native "SVGException" {
 
   @DomName('SVGException.SVG_INVALID_VALUE_ERR')
   @DocsEditable
   static const int SVG_INVALID_VALUE_ERR = 1;
 
   @DomName('SVGException.SVG_MATRIX_NOT_INVERTABLE')
   @DocsEditable
   static const int SVG_MATRIX_NOT_INVERTABLE = 2;
 
   @DomName('SVGException.SVG_WRONG_TYPE_ERR')
@@ skipping 21 matching lines @@
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DomName('SVGSVGElement')
 @Unstable
 class SvgSvgElement extends StyledElement implements FitToViewBox, Transformable, Tests, ExternalResourcesRequired, ZoomAndPan, LangSpace native "SVGSVGElement" {
   factory SvgSvgElement() => _SvgSvgElementFactoryProvider.createSvgSvgElement();
 
+  // To suppress missing implicit constructor warnings.
+  factory SvgSvgElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGSVGElement.contentScriptType')
   @DocsEditable
   String contentScriptType;
 
   @DomName('SVGSVGElement.contentStyleType')
   @DocsEditable
   String contentStyleType;
 
   @DomName('SVGSVGElement.currentScale')
@@ skipping 239 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGSwitchElement')
 @Unstable
 class SwitchElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace native "SVGSwitchElement" {
+  // To suppress missing implicit constructor warnings.
+  factory SwitchElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGSwitchElement.SVGSwitchElement')
   @DocsEditable
   factory SwitchElement() => _SvgElementFactoryProvider.createSvgElement_tag("switch");
 
   // From SVGExternalResourcesRequired
 
   @DomName('SVGSwitchElement.externalResourcesRequired')
   @DocsEditable
   final AnimatedBoolean externalResourcesRequired;
@@ skipping 62 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGSymbolElement')
 @Unstable
 class SymbolElement extends StyledElement implements FitToViewBox, ExternalResourcesRequired, LangSpace native "SVGSymbolElement" {
+  // To suppress missing implicit constructor warnings.
+  factory SymbolElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGSymbolElement.SVGSymbolElement')
   @DocsEditable
   factory SymbolElement() => _SvgElementFactoryProvider.createSvgElement_tag("symbol");
 
   // From SVGExternalResourcesRequired
 
   @DomName('SVGSymbolElement.externalResourcesRequired')
   @DocsEditable
   final AnimatedBoolean externalResourcesRequired;
@@ skipping 20 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGTSpanElement')
 @Unstable
 class TSpanElement extends TextPositioningElement native "SVGTSpanElement" {
+  // To suppress missing implicit constructor warnings.
+  factory TSpanElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTSpanElement.SVGTSpanElement')
   @DocsEditable
   factory TSpanElement() => _SvgElementFactoryProvider.createSvgElement_tag("tspan");
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGTests')
 @Unstable
-abstract class Tests {
+abstract class Tests extends Interceptor {
 
   StringList requiredExtensions;
 
   StringList requiredFeatures;
 
   StringList systemLanguage;
 
   bool hasExtension(String extension);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGTextContentElement')
 @Unstable
 class TextContentElement extends StyledElement implements Tests, ExternalResourcesRequired, LangSpace native "SVGTextContentElement" {
+  // To suppress missing implicit constructor warnings.
+  factory TextContentElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTextContentElement.LENGTHADJUST_SPACING')
   @DocsEditable
   static const int LENGTHADJUST_SPACING = 1;
 
   @DomName('SVGTextContentElement.LENGTHADJUST_SPACINGANDGLYPHS')
   @DocsEditable
   static const int LENGTHADJUST_SPACINGANDGLYPHS = 2;
 
   @DomName('SVGTextContentElement.LENGTHADJUST_UNKNOWN')
@@ skipping 80 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGTextElement')
 @Unstable
 class TextElement extends TextPositioningElement implements Transformable native "SVGTextElement" {
+  // To suppress missing implicit constructor warnings.
+  factory TextElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTextElement.SVGTextElement')
   @DocsEditable
   factory TextElement() => _SvgElementFactoryProvider.createSvgElement_tag("text");
 
   // From SVGLocatable
 
   @DomName('SVGTextElement.farthestViewportElement')
   @DocsEditable
   final SvgElement farthestViewportElement;
@@ skipping 28 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGTextPathElement')
 @Unstable
 class TextPathElement extends TextContentElement implements UriReference native "SVGTextPathElement" {
+  // To suppress missing implicit constructor warnings.
+  factory TextPathElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTextPathElement.TEXTPATH_METHODTYPE_ALIGN')
   @DocsEditable
   static const int TEXTPATH_METHODTYPE_ALIGN = 1;
 
   @DomName('SVGTextPathElement.TEXTPATH_METHODTYPE_STRETCH')
   @DocsEditable
   static const int TEXTPATH_METHODTYPE_STRETCH = 2;
 
   @DomName('SVGTextPathElement.TEXTPATH_METHODTYPE_UNKNOWN')
@@ skipping 32 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGTextPositioningElement')
 @Unstable
 class TextPositioningElement extends TextContentElement native "SVGTextPositioningElement" {
+  // To suppress missing implicit constructor warnings.
+  factory TextPositioningElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTextPositioningElement.dx')
   @DocsEditable
   final AnimatedLengthList dx;
 
   @DomName('SVGTextPositioningElement.dy')
   @DocsEditable
   final AnimatedLengthList dy;
 
   @DomName('SVGTextPositioningElement.rotate')
@@ skipping 10 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGTitleElement')
 @Unstable
 class TitleElement extends StyledElement implements LangSpace native "SVGTitleElement" {
+  // To suppress missing implicit constructor warnings.
+  factory TitleElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTitleElement.SVGTitleElement')
   @DocsEditable
   factory TitleElement() => _SvgElementFactoryProvider.createSvgElement_tag("title");
 
   // From SVGLangSpace
 
   @DomName('SVGTitleElement.xmllang')
   @DocsEditable
   String xmllang;
 
   @DomName('SVGTitleElement.xmlspace')
   @DocsEditable
   String xmlspace;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGTransform')
 @Unstable
-class Transform native "SVGTransform" {
+class Transform extends Interceptor native "SVGTransform" {
 
   @DomName('SVGTransform.SVG_TRANSFORM_MATRIX')
   @DocsEditable
   static const int SVG_TRANSFORM_MATRIX = 1;
 
   @DomName('SVGTransform.SVG_TRANSFORM_ROTATE')
   @DocsEditable
   static const int SVG_TRANSFORM_ROTATE = 4;
 
   @DomName('SVGTransform.SVG_TRANSFORM_SCALE')
@@ skipping 147 matching lines @@
 
   @DomName('SVGTransformList.replaceItem')
   @DocsEditable
   Transform replaceItem(Transform item, int index) native;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGTransformable')
 @Unstable
-abstract class Transformable implements Locatable {
+abstract class Transformable extends Interceptor implements Locatable {
 
   AnimatedTransformList transform;
 
   // From SVGLocatable
 
   SvgElement farthestViewportElement;
 
   SvgElement nearestViewportElement;
 
   Rect getBBox();
 
   Matrix getCTM();
 
   Matrix getScreenCTM();
 
   Matrix getTransformToElement(SvgElement element);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGUnitTypes')
 @Unstable
-class UnitTypes native "SVGUnitTypes" {
+class UnitTypes extends Interceptor native "SVGUnitTypes" {
 
   @DomName('SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX')
   @DocsEditable
   static const int SVG_UNIT_TYPE_OBJECTBOUNDINGBOX = 2;
 
   @DomName('SVGUnitTypes.SVG_UNIT_TYPE_UNKNOWN')
   @DocsEditable
   static const int SVG_UNIT_TYPE_UNKNOWN = 0;
 
   @DomName('SVGUnitTypes.SVG_UNIT_TYPE_USERSPACEONUSE')
   @DocsEditable
   static const int SVG_UNIT_TYPE_USERSPACEONUSE = 1;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGURIReference')
 @Unstable
-abstract class UriReference {
+abstract class UriReference extends Interceptor {
 
   AnimatedString href;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGUseElement')
 @Unstable
 class UseElement extends StyledElement implements UriReference, Tests, Transformable, ExternalResourcesRequired, LangSpace native "SVGUseElement" {
+  // To suppress missing implicit constructor warnings.
+  factory UseElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGUseElement.SVGUseElement')
   @DocsEditable
   factory UseElement() => _SvgElementFactoryProvider.createSvgElement_tag("use");
 
   @DomName('SVGUseElement.animatedInstanceRoot')
   @DocsEditable
   final ElementInstance animatedInstanceRoot;
 
   @DomName('SVGUseElement.height')
@@ skipping 92 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGViewElement')
 @Unstable
 class ViewElement extends SvgElement implements FitToViewBox, ExternalResourcesRequired, ZoomAndPan native "SVGViewElement" {
+  // To suppress missing implicit constructor warnings.
+  factory ViewElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGViewElement.SVGViewElement')
   @DocsEditable
   factory ViewElement() => _SvgElementFactoryProvider.createSvgElement_tag("view");
 
   @DomName('SVGViewElement.viewTarget')
   @DocsEditable
   final StringList viewTarget;
 
   // From SVGExternalResourcesRequired
@@ skipping 19 matching lines @@
   int zoomAndPan;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGViewSpec')
 @Unstable
-class ViewSpec native "SVGViewSpec" {
+class ViewSpec extends Interceptor native "SVGViewSpec" {
 
   @DomName('SVGViewSpec.preserveAspectRatio')
   @DocsEditable
   @Experimental // nonstandard
   final AnimatedPreserveAspectRatio preserveAspectRatio;
 
   @DomName('SVGViewSpec.preserveAspectRatioString')
   @DocsEditable
   final String preserveAspectRatioString;
 
@@ skipping 25 matching lines @@
   @DomName('SVGViewSpec.zoomAndPan')
   @DocsEditable
   @Experimental // nonstandard
   int zoomAndPan;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
+@DocsEditable
 @DomName('SVGZoomAndPan')
 @Unstable
-abstract class ZoomAndPan {
+abstract class ZoomAndPan extends Interceptor {
 
   @DomName('SVGZoomAndPan.SVG_ZOOMANDPAN_DISABLE')
   @DocsEditable
   static const int SVG_ZOOMANDPAN_DISABLE = 1;
 
   @DomName('SVGZoomAndPan.SVG_ZOOMANDPAN_MAGNIFY')
   @DocsEditable
   static const int SVG_ZOOMANDPAN_MAGNIFY = 2;
 
   @DomName('SVGZoomAndPan.SVG_ZOOMANDPAN_UNKNOWN')
   @DocsEditable
   static const int SVG_ZOOMANDPAN_UNKNOWN = 0;
 
   int zoomAndPan;
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGZoomEvent')
 @Unstable
 class ZoomEvent extends UIEvent native "SVGZoomEvent" {
+  // To suppress missing implicit constructor warnings.
+  factory ZoomEvent._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGZoomEvent.newScale')
   @DocsEditable
   final num newScale;
 
   @DomName('SVGZoomEvent.newTranslate')
   @DocsEditable
   final Point newTranslate;
 
   @DomName('SVGZoomEvent.previousScale')
@@ skipping 72 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGGradientElement')
 @Unstable
 class _GradientElement extends StyledElement implements UriReference, ExternalResourcesRequired native "SVGGradientElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _GradientElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGGradientElement.SVG_SPREADMETHOD_PAD')
   @DocsEditable
   static const int SVG_SPREADMETHOD_PAD = 1;
 
   @DomName('SVGGradientElement.SVG_SPREADMETHOD_REFLECT')
   @DocsEditable
   static const int SVG_SPREADMETHOD_REFLECT = 2;
 
   @DomName('SVGGradientElement.SVG_SPREADMETHOD_REPEAT')
@@ skipping 30 matching lines @@
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAltGlyphDefElement')
 @Unstable
 abstract class _SVGAltGlyphDefElement extends SvgElement native "SVGAltGlyphDefElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGAltGlyphDefElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAltGlyphItemElement')
 @Unstable
 abstract class _SVGAltGlyphItemElement extends SvgElement native "SVGAltGlyphItemElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGAltGlyphItemElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGAnimateColorElement')
 @Unstable
 abstract class _SVGAnimateColorElement extends AnimationElement native "SVGAnimateColorElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGAnimateColorElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 // Hack because the baseclass is private in dart:html, and we want to omit this
 // type entirely but can't.
 @DocsEditable
 @DomName('SVGColor')
 @Unstable
-class _SVGColor native "SVGColor" {
+abstract class _SVGColor native "SVGColor" {
   _SVGColor.internal();
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGComponentTransferFunctionElement')
 @Unstable
 abstract class _SVGComponentTransferFunctionElement extends SvgElement native "SVGComponentTransferFunctionElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGComponentTransferFunctionElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGCursorElement')
 @Unstable
 abstract class _SVGCursorElement extends SvgElement implements UriReference, Tests, ExternalResourcesRequired native "SVGCursorElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGCursorElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGCursorElement.SVGCursorElement')
   @DocsEditable
   factory _SVGCursorElement() => _SvgElementFactoryProvider.createSvgElement_tag("cursor");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => SvgElement.isTagSupported('cursor') && (new SvgElement.tag('cursor') is _SVGCursorElement);
 
   // From SVGExternalResourcesRequired
 
   // From SVGTests
 
   // From SVGURIReference
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFEDropShadowElement')
 @Experimental // nonstandard
 abstract class _SVGFEDropShadowElement extends StyledElement implements FilterPrimitiveStandardAttributes native "SVGFEDropShadowElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGFEDropShadowElement._() { throw new UnsupportedError("Not supported"); }
 
   // From SVGFilterPrimitiveStandardAttributes
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFontElement')
 @Unstable
 abstract class _SVGFontElement extends SvgElement native "SVGFontElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGFontElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFontFaceElement')
 @Unstable
 abstract class _SVGFontFaceElement extends SvgElement native "SVGFontFaceElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGFontFaceElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFontFaceFormatElement')
 @Unstable
 abstract class _SVGFontFaceFormatElement extends SvgElement native "SVGFontFaceFormatElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGFontFaceFormatElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFontFaceNameElement')
 @Unstable
 abstract class _SVGFontFaceNameElement extends SvgElement native "SVGFontFaceNameElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGFontFaceNameElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFontFaceSrcElement')
 @Unstable
 abstract class _SVGFontFaceSrcElement extends SvgElement native "SVGFontFaceSrcElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGFontFaceSrcElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGFontFaceUriElement')
 @Unstable
 abstract class _SVGFontFaceUriElement extends SvgElement native "SVGFontFaceUriElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGFontFaceUriElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGGlyphElement')
 @Unstable
 abstract class _SVGGlyphElement extends SvgElement native "SVGGlyphElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGGlyphElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGGlyphElement.SVGGlyphElement')
   @DocsEditable
   factory _SVGGlyphElement() => _SvgElementFactoryProvider.createSvgElement_tag("glyph");
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGGlyphRefElement')
 @Unstable
 abstract class _SVGGlyphRefElement extends StyledElement implements UriReference native "SVGGlyphRefElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGGlyphRefElement._() { throw new UnsupportedError("Not supported"); }
 
   // From SVGURIReference
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGHKernElement')
 @Unstable
 abstract class _SVGHKernElement extends SvgElement native "SVGHKernElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGHKernElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGHKernElement.SVGHKernElement')
   @DocsEditable
   factory _SVGHKernElement() => _SvgElementFactoryProvider.createSvgElement_tag("hkern");
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGMPathElement')
 abstract class _SVGMPathElement extends SvgElement implements UriReference, ExternalResourcesRequired native "SVGMPathElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGMPathElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGMPathElement.SVGMPathElement')
   @DocsEditable
   factory _SVGMPathElement() => _SvgElementFactoryProvider.createSvgElement_tag("mpath");
 
   // From SVGExternalResourcesRequired
 
   // From SVGURIReference
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGMissingGlyphElement')
 @Unstable
 abstract class _SVGMissingGlyphElement extends StyledElement native "SVGMissingGlyphElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGMissingGlyphElement._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGPaint')
 @Unstable
 abstract class _SVGPaint extends _SVGColor native "SVGPaint" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGPaint._() { throw new UnsupportedError("Not supported"); }
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGTRefElement')
 @Unstable
 abstract class _SVGTRefElement extends TextPositioningElement implements UriReference native "SVGTRefElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGTRefElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTRefElement.SVGTRefElement')
   @DocsEditable
   factory _SVGTRefElement() => _SvgElementFactoryProvider.createSvgElement_tag("tref");
 
   // From SVGURIReference
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('SVGVKernElement')
 @Unstable
 abstract class _SVGVKernElement extends SvgElement native "SVGVKernElement" {
+  // To suppress missing implicit constructor warnings.
+  factory _SVGVKernElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGVKernElement.SVGVKernElement')
   @DocsEditable
   factory _SVGVKernElement() => _SvgElementFactoryProvider.createSvgElement_tag("vkern");
 }