Revert "Making all DOM types abstract and removing superfluous Dartium constructors."

sdk/lib/svg/dartium/svg_dartium.dart

 library dart.dom.svg;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:_collection-dev';
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:nativewrappers';
 // DO NOT EDIT
 // Auto-generated dart:svg library.
@@ skipping 46 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAElement')
 @Unstable
 class AElement extends StyledElement implements UriReference, Tests, Transformable, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory AElement._() { throw new UnsupportedError("Not supported"); }
+  AElement.internal() : super.internal();
 
   @DomName('SVGAElement.SVGAElement')
   @DocsEditable
   factory AElement() => _SvgElementFactoryProvider.createSvgElement_tag("a");
 
   @DomName('SVGAElement.target')
   @DocsEditable
   AnimatedString get target native "SVGAElement_target_Getter";
 
   @DomName('SVGAElement.externalResourcesRequired')
@@ skipping 72 matching lines @@
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAltGlyphElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class AltGlyphElement extends TextPositioningElement implements UriReference {
-  // To suppress missing implicit constructor warnings.
-  factory AltGlyphElement._() { throw new UnsupportedError("Not supported"); }
+  AltGlyphElement.internal() : super.internal();
 
   @DomName('SVGAltGlyphElement.SVGAltGlyphElement')
   @DocsEditable
   factory AltGlyphElement() => _SvgElementFactoryProvider.createSvgElement_tag("altGlyph");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGAltGlyphElement.format')
   @DocsEditable
@@ skipping 20 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAngle')
 @Unstable
 class Angle extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Angle._() { throw new UnsupportedError("Not supported"); }
+  Angle.internal();
 
   @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 52 matching lines @@
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimateElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class AnimateElement extends AnimationElement {
-  // To suppress missing implicit constructor warnings.
-  factory AnimateElement._() { throw new UnsupportedError("Not supported"); }
+  AnimateElement.internal() : super.internal();
 
   @DomName('SVGAnimateElement.SVGAnimateElement')
   @DocsEditable
   factory AnimateElement() => _SvgElementFactoryProvider.createSvgElement_tag("animate");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimateMotionElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class AnimateMotionElement extends AnimationElement {
-  // To suppress missing implicit constructor warnings.
-  factory AnimateMotionElement._() { throw new UnsupportedError("Not supported"); }
+  AnimateMotionElement.internal() : super.internal();
 
   @DomName('SVGAnimateMotionElement.SVGAnimateMotionElement')
   @DocsEditable
   factory AnimateMotionElement() => _SvgElementFactoryProvider.createSvgElement_tag("animateMotion");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimateTransformElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class AnimateTransformElement extends AnimationElement {
-  // To suppress missing implicit constructor warnings.
-  factory AnimateTransformElement._() { throw new UnsupportedError("Not supported"); }
+  AnimateTransformElement.internal() : super.internal();
 
   @DomName('SVGAnimateTransformElement.SVGAnimateTransformElement')
   @DocsEditable
   factory AnimateTransformElement() => _SvgElementFactoryProvider.createSvgElement_tag("animateTransform");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedAngle')
 @Unstable
 class AnimatedAngle extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedAngle._() { throw new UnsupportedError("Not supported"); }
+  AnimatedAngle.internal();
 
   @DomName('SVGAnimatedAngle.animVal')
   @DocsEditable
   Angle get animVal native "SVGAnimatedAngle_animVal_Getter";
 
   @DomName('SVGAnimatedAngle.baseVal')
   @DocsEditable
   Angle get baseVal native "SVGAnimatedAngle_baseVal_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedBoolean')
 @Unstable
 class AnimatedBoolean extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedBoolean._() { throw new UnsupportedError("Not supported"); }
+  AnimatedBoolean.internal();
 
   @DomName('SVGAnimatedBoolean.animVal')
   @DocsEditable
   bool get animVal native "SVGAnimatedBoolean_animVal_Getter";
 
   @DomName('SVGAnimatedBoolean.baseVal')
   @DocsEditable
   bool get baseVal native "SVGAnimatedBoolean_baseVal_Getter";
 
   @DomName('SVGAnimatedBoolean.baseVal')
   @DocsEditable
   void set baseVal(bool value) native "SVGAnimatedBoolean_baseVal_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedEnumeration')
 @Unstable
 class AnimatedEnumeration extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedEnumeration._() { throw new UnsupportedError("Not supported"); }
+  AnimatedEnumeration.internal();
 
   @DomName('SVGAnimatedEnumeration.animVal')
   @DocsEditable
   int get animVal native "SVGAnimatedEnumeration_animVal_Getter";
 
   @DomName('SVGAnimatedEnumeration.baseVal')
   @DocsEditable
   int get baseVal native "SVGAnimatedEnumeration_baseVal_Getter";
 
   @DomName('SVGAnimatedEnumeration.baseVal')
   @DocsEditable
   void set baseVal(int value) native "SVGAnimatedEnumeration_baseVal_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedInteger')
 @Unstable
 class AnimatedInteger extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedInteger._() { throw new UnsupportedError("Not supported"); }
+  AnimatedInteger.internal();
 
   @DomName('SVGAnimatedInteger.animVal')
   @DocsEditable
   int get animVal native "SVGAnimatedInteger_animVal_Getter";
 
   @DomName('SVGAnimatedInteger.baseVal')
   @DocsEditable
   int get baseVal native "SVGAnimatedInteger_baseVal_Getter";
 
   @DomName('SVGAnimatedInteger.baseVal')
   @DocsEditable
   void set baseVal(int value) native "SVGAnimatedInteger_baseVal_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedLength')
 @Unstable
 class AnimatedLength extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedLength._() { throw new UnsupportedError("Not supported"); }
+  AnimatedLength.internal();
 
   @DomName('SVGAnimatedLength.animVal')
   @DocsEditable
   Length get animVal native "SVGAnimatedLength_animVal_Getter";
 
   @DomName('SVGAnimatedLength.baseVal')
   @DocsEditable
   Length get baseVal native "SVGAnimatedLength_baseVal_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedLengthList')
 @Unstable
 class AnimatedLengthList extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedLengthList._() { throw new UnsupportedError("Not supported"); }
+  AnimatedLengthList.internal();
 
   @DomName('SVGAnimatedLengthList.animVal')
   @DocsEditable
   LengthList get animVal native "SVGAnimatedLengthList_animVal_Getter";
 
   @DomName('SVGAnimatedLengthList.baseVal')
   @DocsEditable
   LengthList get baseVal native "SVGAnimatedLengthList_baseVal_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedNumber')
 @Unstable
 class AnimatedNumber extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedNumber._() { throw new UnsupportedError("Not supported"); }
+  AnimatedNumber.internal();
 
   @DomName('SVGAnimatedNumber.animVal')
   @DocsEditable
   num get animVal native "SVGAnimatedNumber_animVal_Getter";
 
   @DomName('SVGAnimatedNumber.baseVal')
   @DocsEditable
   num get baseVal native "SVGAnimatedNumber_baseVal_Getter";
 
   @DomName('SVGAnimatedNumber.baseVal')
   @DocsEditable
   void set baseVal(num value) native "SVGAnimatedNumber_baseVal_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedNumberList')
 @Unstable
 class AnimatedNumberList extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedNumberList._() { throw new UnsupportedError("Not supported"); }
+  AnimatedNumberList.internal();
 
   @DomName('SVGAnimatedNumberList.animVal')
   @DocsEditable
   NumberList get animVal native "SVGAnimatedNumberList_animVal_Getter";
 
   @DomName('SVGAnimatedNumberList.baseVal')
   @DocsEditable
   NumberList get baseVal native "SVGAnimatedNumberList_baseVal_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedPreserveAspectRatio')
 @Unstable
 class AnimatedPreserveAspectRatio extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedPreserveAspectRatio._() { throw new UnsupportedError("Not supported"); }
+  AnimatedPreserveAspectRatio.internal();
 
   @DomName('SVGAnimatedPreserveAspectRatio.animVal')
   @DocsEditable
   PreserveAspectRatio get animVal native "SVGAnimatedPreserveAspectRatio_animVal_Getter";
 
   @DomName('SVGAnimatedPreserveAspectRatio.baseVal')
   @DocsEditable
   PreserveAspectRatio get baseVal native "SVGAnimatedPreserveAspectRatio_baseVal_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedRect')
 @Unstable
 class AnimatedRect extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedRect._() { throw new UnsupportedError("Not supported"); }
+  AnimatedRect.internal();
 
   @DomName('SVGAnimatedRect.animVal')
   @DocsEditable
   Rect get animVal native "SVGAnimatedRect_animVal_Getter";
 
   @DomName('SVGAnimatedRect.baseVal')
   @DocsEditable
   Rect get baseVal native "SVGAnimatedRect_baseVal_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedString')
 @Unstable
 class AnimatedString extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedString._() { throw new UnsupportedError("Not supported"); }
+  AnimatedString.internal();
 
   @DomName('SVGAnimatedString.animVal')
   @DocsEditable
   String get animVal native "SVGAnimatedString_animVal_Getter";
 
   @DomName('SVGAnimatedString.baseVal')
   @DocsEditable
   String get baseVal native "SVGAnimatedString_baseVal_Getter";
 
   @DomName('SVGAnimatedString.baseVal')
   @DocsEditable
   void set baseVal(String value) native "SVGAnimatedString_baseVal_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimatedTransformList')
 @Unstable
 class AnimatedTransformList extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory AnimatedTransformList._() { throw new UnsupportedError("Not supported"); }
+  AnimatedTransformList.internal();
 
   @DomName('SVGAnimatedTransformList.animVal')
   @DocsEditable
   TransformList get animVal native "SVGAnimatedTransformList_animVal_Getter";
 
   @DomName('SVGAnimatedTransformList.baseVal')
   @DocsEditable
   TransformList get baseVal native "SVGAnimatedTransformList_baseVal_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimationElement')
 @Unstable
 class AnimationElement extends SvgElement implements Tests, ElementTimeControl, ExternalResourcesRequired {
-  // To suppress missing implicit constructor warnings.
-  factory AnimationElement._() { throw new UnsupportedError("Not supported"); }
+  AnimationElement.internal() : super.internal();
 
   @DomName('SVGAnimationElement.SVGAnimationElement')
   @DocsEditable
   factory AnimationElement() => _SvgElementFactoryProvider.createSvgElement_tag("animation");
 
   @DomName('SVGAnimationElement.targetElement')
   @DocsEditable
   SvgElement get targetElement native "SVGAnimationElement_targetElement_Getter";
 
   @DomName('SVGAnimationElement.getCurrentTime')
@@ skipping 49 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGCircleElement')
 @Unstable
 class CircleElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory CircleElement._() { throw new UnsupportedError("Not supported"); }
+  CircleElement.internal() : super.internal();
 
   @DomName('SVGCircleElement.SVGCircleElement')
   @DocsEditable
   factory CircleElement() => _SvgElementFactoryProvider.createSvgElement_tag("circle");
 
   @DomName('SVGCircleElement.cx')
   @DocsEditable
   AnimatedLength get cx native "SVGCircleElement_cx_Getter";
 
   @DomName('SVGCircleElement.cy')
@@ skipping 73 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGClipPathElement')
 @Unstable
 class ClipPathElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory ClipPathElement._() { throw new UnsupportedError("Not supported"); }
+  ClipPathElement.internal() : super.internal();
 
   @DomName('SVGClipPathElement.SVGClipPathElement')
   @DocsEditable
   factory ClipPathElement() => _SvgElementFactoryProvider.createSvgElement_tag("clipPath");
 
   @DomName('SVGClipPathElement.clipPathUnits')
   @DocsEditable
   AnimatedEnumeration get clipPathUnits native "SVGClipPathElement_clipPathUnits_Getter";
 
   @DomName('SVGClipPathElement.externalResourcesRequired')
@@ skipping 65 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGDefsElement')
 @Unstable
 class DefsElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory DefsElement._() { throw new UnsupportedError("Not supported"); }
+  DefsElement.internal() : super.internal();
 
   @DomName('SVGDefsElement.SVGDefsElement')
   @DocsEditable
   factory DefsElement() => _SvgElementFactoryProvider.createSvgElement_tag("defs");
 
   @DomName('SVGDefsElement.externalResourcesRequired')
   @DocsEditable
   AnimatedBoolean get externalResourcesRequired native "SVGDefsElement_externalResourcesRequired_Getter";
 
   @DomName('SVGDefsElement.xmllang')
@@ skipping 61 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGDescElement')
 @Unstable
 class DescElement extends StyledElement implements LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory DescElement._() { throw new UnsupportedError("Not supported"); }
+  DescElement.internal() : super.internal();
 
   @DomName('SVGDescElement.SVGDescElement')
   @DocsEditable
   factory DescElement() => _SvgElementFactoryProvider.createSvgElement_tag("desc");
 
   @DomName('SVGDescElement.xmllang')
   @DocsEditable
   String get xmllang native "SVGDescElement_xmllang_Getter";
 
   @DomName('SVGDescElement.xmllang')
@@ skipping 13 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGElementInstance')
 @Unstable
 class ElementInstance extends EventTarget {
-  // To suppress missing implicit constructor warnings.
-  factory ElementInstance._() { throw new UnsupportedError("Not supported"); }
+  ElementInstance.internal() : super.internal();
 
   @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 349 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGEllipseElement')
 @Unstable
 class EllipseElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory EllipseElement._() { throw new UnsupportedError("Not supported"); }
+  EllipseElement.internal() : super.internal();
 
   @DomName('SVGEllipseElement.SVGEllipseElement')
   @DocsEditable
   factory EllipseElement() => _SvgElementFactoryProvider.createSvgElement_tag("ellipse");
 
   @DomName('SVGEllipseElement.cx')
   @DocsEditable
   AnimatedLength get cx native "SVGEllipseElement_cx_Getter";
 
   @DomName('SVGEllipseElement.cy')
@@ skipping 77 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGExternalResourcesRequired')
 @Unstable
 class ExternalResourcesRequired extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory ExternalResourcesRequired._() { throw new UnsupportedError("Not supported"); }
+  ExternalResourcesRequired.internal();
 
   /// Checks if this type is supported on the current platform.
   static bool supported(SvgElement element) => true;
 
   @DomName('SVGExternalResourcesRequired.externalResourcesRequired')
   @DocsEditable
   AnimatedBoolean get externalResourcesRequired native "SVGExternalResourcesRequired_externalResourcesRequired_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFEBlendElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEBlendElement extends StyledElement implements FilterPrimitiveStandardAttributes {
-  // To suppress missing implicit constructor warnings.
-  factory FEBlendElement._() { throw new UnsupportedError("Not supported"); }
+  FEBlendElement.internal() : super.internal();
 
   @DomName('SVGFEBlendElement.SVGFEBlendElement')
   @DocsEditable
   factory FEBlendElement() => _SvgElementFactoryProvider.createSvgElement_tag("feBlend");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEBlendElement.SVG_FEBLEND_MODE_DARKEN')
   @DocsEditable
@@ skipping 60 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FEColorMatrixElement._() { throw new UnsupportedError("Not supported"); }
+  FEColorMatrixElement.internal() : super.internal();
 
   @DomName('SVGFEColorMatrixElement.SVGFEColorMatrixElement')
   @DocsEditable
   factory FEColorMatrixElement() => _SvgElementFactoryProvider.createSvgElement_tag("feColorMatrix");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_HUEROTATE')
   @DocsEditable
@@ skipping 56 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FEComponentTransferElement._() { throw new UnsupportedError("Not supported"); }
+  FEComponentTransferElement.internal() : super.internal();
 
   @DomName('SVGFEComponentTransferElement.SVGFEComponentTransferElement')
   @DocsEditable
   factory FEComponentTransferElement() => _SvgElementFactoryProvider.createSvgElement_tag("feComponentTransfer");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEComponentTransferElement.in1')
   @DocsEditable
@@ skipping 24 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFECompositeElement')
 @Unstable
 class FECompositeElement extends StyledElement implements FilterPrimitiveStandardAttributes {
-  // To suppress missing implicit constructor warnings.
-  factory FECompositeElement._() { throw new UnsupportedError("Not supported"); }
+  FECompositeElement.internal() : super.internal();
 
   @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 73 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FEConvolveMatrixElement._() { throw new UnsupportedError("Not supported"); }
+  FEConvolveMatrixElement.internal() : super.internal();
 
   @DomName('SVGFEConvolveMatrixElement.SVGFEConvolveMatrixElement')
   @DocsEditable
   factory FEConvolveMatrixElement() => _SvgElementFactoryProvider.createSvgElement_tag("feConvolveMatrix");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEConvolveMatrixElement.SVG_EDGEMODE_DUPLICATE')
   @DocsEditable
@@ skipping 88 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FEDiffuseLightingElement._() { throw new UnsupportedError("Not supported"); }
+  FEDiffuseLightingElement.internal() : super.internal();
 
   @DomName('SVGFEDiffuseLightingElement.SVGFEDiffuseLightingElement')
   @DocsEditable
   factory FEDiffuseLightingElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDiffuseLighting");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEDiffuseLightingElement.diffuseConstant')
   @DocsEditable
@@ skipping 44 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FEDisplacementMapElement._() { throw new UnsupportedError("Not supported"); }
+  FEDisplacementMapElement.internal() : super.internal();
 
   @DomName('SVGFEDisplacementMapElement.SVGFEDisplacementMapElement')
   @DocsEditable
   factory FEDisplacementMapElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDisplacementMap");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEDisplacementMapElement.SVG_CHANNEL_A')
   @DocsEditable
@@ skipping 64 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEDistantLightElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEDistantLightElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory FEDistantLightElement._() { throw new UnsupportedError("Not supported"); }
+  FEDistantLightElement.internal() : super.internal();
 
   @DomName('SVGFEDistantLightElement.SVGFEDistantLightElement')
   @DocsEditable
   factory FEDistantLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDistantLight");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEDistantLightElement.azimuth')
   @DocsEditable
@@ skipping 12 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEFloodElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFloodElement extends StyledElement implements FilterPrimitiveStandardAttributes {
-  // To suppress missing implicit constructor warnings.
-  factory FEFloodElement._() { throw new UnsupportedError("Not supported"); }
+  FEFloodElement.internal() : super.internal();
 
   @DomName('SVGFEFloodElement.SVGFEFloodElement')
   @DocsEditable
   factory FEFloodElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFlood");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEFloodElement.height')
   @DocsEditable
@@ skipping 24 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEFuncAElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFuncAElement extends _SVGComponentTransferFunctionElement {
-  // To suppress missing implicit constructor warnings.
-  factory FEFuncAElement._() { throw new UnsupportedError("Not supported"); }
+  FEFuncAElement.internal() : super.internal();
 
   @DomName('SVGFEFuncAElement.SVGFEFuncAElement')
   @DocsEditable
   factory FEFuncAElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncA");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFEFuncBElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFuncBElement extends _SVGComponentTransferFunctionElement {
-  // To suppress missing implicit constructor warnings.
-  factory FEFuncBElement._() { throw new UnsupportedError("Not supported"); }
+  FEFuncBElement.internal() : super.internal();
 
   @DomName('SVGFEFuncBElement.SVGFEFuncBElement')
   @DocsEditable
   factory FEFuncBElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncB");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFEFuncGElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFuncGElement extends _SVGComponentTransferFunctionElement {
-  // To suppress missing implicit constructor warnings.
-  factory FEFuncGElement._() { throw new UnsupportedError("Not supported"); }
+  FEFuncGElement.internal() : super.internal();
 
   @DomName('SVGFEFuncGElement.SVGFEFuncGElement')
   @DocsEditable
   factory FEFuncGElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncG");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFEFuncRElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEFuncRElement extends _SVGComponentTransferFunctionElement {
-  // To suppress missing implicit constructor warnings.
-  factory FEFuncRElement._() { throw new UnsupportedError("Not supported"); }
+  FEFuncRElement.internal() : super.internal();
 
   @DomName('SVGFEFuncRElement.SVGFEFuncRElement')
   @DocsEditable
   factory FEFuncRElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncR");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFEGaussianBlurElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEGaussianBlurElement extends StyledElement implements FilterPrimitiveStandardAttributes {
-  // To suppress missing implicit constructor warnings.
-  factory FEGaussianBlurElement._() { throw new UnsupportedError("Not supported"); }
+  FEGaussianBlurElement.internal() : super.internal();
 
   @DomName('SVGFEGaussianBlurElement.SVGFEGaussianBlurElement')
   @DocsEditable
   factory FEGaussianBlurElement() => _SvgElementFactoryProvider.createSvgElement_tag("feGaussianBlur");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEGaussianBlurElement.in1')
   @DocsEditable
@@ skipping 40 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FEImageElement._() { throw new UnsupportedError("Not supported"); }
+  FEImageElement.internal() : super.internal();
 
   @DomName('SVGFEImageElement.SVGFEImageElement')
   @DocsEditable
   factory FEImageElement() => _SvgElementFactoryProvider.createSvgElement_tag("feImage");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEImageElement.preserveAspectRatio')
   @DocsEditable
@@ skipping 52 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FEMergeElement._() { throw new UnsupportedError("Not supported"); }
+  FEMergeElement.internal() : super.internal();
 
   @DomName('SVGFEMergeElement.SVGFEMergeElement')
   @DocsEditable
   factory FEMergeElement() => _SvgElementFactoryProvider.createSvgElement_tag("feMerge");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEMergeElement.height')
   @DocsEditable
@@ skipping 24 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEMergeNodeElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEMergeNodeElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory FEMergeNodeElement._() { throw new UnsupportedError("Not supported"); }
+  FEMergeNodeElement.internal() : super.internal();
 
   @DomName('SVGFEMergeNodeElement.SVGFEMergeNodeElement')
   @DocsEditable
   factory FEMergeNodeElement() => _SvgElementFactoryProvider.createSvgElement_tag("feMergeNode");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEMergeNodeElement.in1')
   @DocsEditable
   AnimatedString get in1 native "SVGFEMergeNodeElement_in1_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFEMorphologyElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEMorphologyElement extends StyledElement implements FilterPrimitiveStandardAttributes {
-  // To suppress missing implicit constructor warnings.
-  factory FEMorphologyElement._() { throw new UnsupportedError("Not supported"); }
+  FEMorphologyElement.internal() : super.internal();
 
   @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 49 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FEOffsetElement._() { throw new UnsupportedError("Not supported"); }
+  FEOffsetElement.internal() : super.internal();
 
   @DomName('SVGFEOffsetElement.SVGFEOffsetElement')
   @DocsEditable
   factory FEOffsetElement() => _SvgElementFactoryProvider.createSvgElement_tag("feOffset");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEOffsetElement.dx')
   @DocsEditable
@@ skipping 36 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFEPointLightElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FEPointLightElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory FEPointLightElement._() { throw new UnsupportedError("Not supported"); }
+  FEPointLightElement.internal() : super.internal();
 
   @DomName('SVGFEPointLightElement.SVGFEPointLightElement')
   @DocsEditable
   factory FEPointLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("fePointLight");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEPointLightElement.x')
   @DocsEditable
@@ skipping 16 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FESpecularLightingElement._() { throw new UnsupportedError("Not supported"); }
+  FESpecularLightingElement.internal() : super.internal();
 
   @DomName('SVGFESpecularLightingElement.SVGFESpecularLightingElement')
   @DocsEditable
   factory FESpecularLightingElement() => _SvgElementFactoryProvider.createSvgElement_tag("feSpecularLighting");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFESpecularLightingElement.in1')
   @DocsEditable
@@ skipping 40 matching lines @@
 
 
 @DocsEditable
 @DomName('SVGFESpotLightElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class FESpotLightElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory FESpotLightElement._() { throw new UnsupportedError("Not supported"); }
+  FESpotLightElement.internal() : super.internal();
 
   @DomName('SVGFESpotLightElement.SVGFESpotLightElement')
   @DocsEditable
   factory FESpotLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("feSpotLight");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFESpotLightElement.limitingConeAngle')
   @DocsEditable
@@ skipping 36 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FETileElement._() { throw new UnsupportedError("Not supported"); }
+  FETileElement.internal() : super.internal();
 
   @DomName('SVGFETileElement.SVGFETileElement')
   @DocsEditable
   factory FETileElement() => _SvgElementFactoryProvider.createSvgElement_tag("feTile");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFETileElement.in1')
   @DocsEditable
@@ skipping 28 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FETurbulenceElement._() { throw new UnsupportedError("Not supported"); }
+  FETurbulenceElement.internal() : super.internal();
 
   @DomName('SVGFETurbulenceElement.SVGFETurbulenceElement')
   @DocsEditable
   factory FETurbulenceElement() => _SvgElementFactoryProvider.createSvgElement_tag("feTurbulence");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFETurbulenceElement.SVG_STITCHTYPE_NOSTITCH')
   @DocsEditable
@@ skipping 72 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 {
-  // To suppress missing implicit constructor warnings.
-  factory FilterElement._() { throw new UnsupportedError("Not supported"); }
+  FilterElement.internal() : super.internal();
 
   @DomName('SVGFilterElement.SVGFilterElement')
   @DocsEditable
   factory FilterElement() => _SvgElementFactoryProvider.createSvgElement_tag("filter");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFilterElement.filterResX')
   @DocsEditable
@@ skipping 60 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFilterPrimitiveStandardAttributes')
 @Unstable
 class FilterPrimitiveStandardAttributes extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory FilterPrimitiveStandardAttributes._() { throw new UnsupportedError("Not supported"); }
+  FilterPrimitiveStandardAttributes.internal();
 
   @DomName('SVGFilterPrimitiveStandardAttributes.height')
   @DocsEditable
   AnimatedLength get height native "SVGFilterPrimitiveStandardAttributes_height_Getter";
 
   @DomName('SVGFilterPrimitiveStandardAttributes.result')
   @DocsEditable
   AnimatedString get result native "SVGFilterPrimitiveStandardAttributes_result_Getter";
 
   @DomName('SVGFilterPrimitiveStandardAttributes.width')
@@ skipping 13 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFitToViewBox')
 @Unstable
 class FitToViewBox extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory FitToViewBox._() { throw new UnsupportedError("Not supported"); }
+  FitToViewBox.internal();
 
   @DomName('SVGFitToViewBox.preserveAspectRatio')
   @DocsEditable
   AnimatedPreserveAspectRatio get preserveAspectRatio native "SVGFitToViewBox_preserveAspectRatio_Getter";
 
   @DomName('SVGFitToViewBox.viewBox')
   @DocsEditable
   AnimatedRect get viewBox native "SVGFitToViewBox_viewBox_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGForeignObjectElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class ForeignObjectElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory ForeignObjectElement._() { throw new UnsupportedError("Not supported"); }
+  ForeignObjectElement.internal() : super.internal();
 
   @DomName('SVGForeignObjectElement.SVGForeignObjectElement')
   @DocsEditable
   factory ForeignObjectElement() => _SvgElementFactoryProvider.createSvgElement_tag("foreignObject");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGForeignObjectElement.height')
   @DocsEditable
@@ skipping 80 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGGElement')
 @Unstable
 class GElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory GElement._() { throw new UnsupportedError("Not supported"); }
+  GElement.internal() : super.internal();
 
   @DomName('SVGGElement.SVGGElement')
   @DocsEditable
   factory GElement() => _SvgElementFactoryProvider.createSvgElement_tag("g");
 
   @DomName('SVGGElement.externalResourcesRequired')
   @DocsEditable
   AnimatedBoolean get externalResourcesRequired native "SVGGElement_externalResourcesRequired_Getter";
 
   @DomName('SVGGElement.xmllang')
@@ skipping 61 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGImageElement')
 @Unstable
 class ImageElement extends StyledElement implements UriReference, Tests, Transformable, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory ImageElement._() { throw new UnsupportedError("Not supported"); }
+  ImageElement.internal() : super.internal();
 
   @DomName('SVGImageElement.SVGImageElement')
   @DocsEditable
   factory ImageElement() => _SvgElementFactoryProvider.createSvgElement_tag("image");
 
   @DomName('SVGImageElement.height')
   @DocsEditable
   AnimatedLength get height native "SVGImageElement_height_Getter";
 
   @DomName('SVGImageElement.preserveAspectRatio')
@@ skipping 85 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGLangSpace')
 @Unstable
 class LangSpace extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory LangSpace._() { throw new UnsupportedError("Not supported"); }
+  LangSpace.internal();
 
   /// Checks if this type is supported on the current platform.
   static bool supported(SvgElement element) => true;
 
   @DomName('SVGLangSpace.xmllang')
   @DocsEditable
   String get xmllang native "SVGLangSpace_xmllang_Getter";
 
   @DomName('SVGLangSpace.xmllang')
   @DocsEditable
@@ skipping 12 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGLength')
 @Unstable
 class Length extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Length._() { throw new UnsupportedError("Not supported"); }
+  Length.internal();
 
   @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 73 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGLengthList')
 @Unstable
 class LengthList extends NativeFieldWrapperClass1 with ListMixin<Length>, ImmutableListMixin<Length> implements List<Length> {
-  // To suppress missing implicit constructor warnings.
-  factory LengthList._() { throw new UnsupportedError("Not supported"); }
+  LengthList.internal();
 
   @DomName('SVGLengthList.numberOfItems')
   @DocsEditable
   int get numberOfItems native "SVGLengthList_numberOfItems_Getter";
 
   Length operator[](int index) {
     if (index < 0 || index >= length)
       throw new RangeError.range(index, 0, length);
     return _nativeIndexedGetter(index);
   }
@@ skipping 72 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGLineElement')
 @Unstable
 class LineElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory LineElement._() { throw new UnsupportedError("Not supported"); }
+  LineElement.internal() : super.internal();
 
   @DomName('SVGLineElement.SVGLineElement')
   @DocsEditable
   factory LineElement() => _SvgElementFactoryProvider.createSvgElement_tag("line");
 
   @DomName('SVGLineElement.x1')
   @DocsEditable
   AnimatedLength get x1 native "SVGLineElement_x1_Getter";
 
   @DomName('SVGLineElement.x2')
@@ skipping 77 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGLinearGradientElement')
 @Unstable
 class LinearGradientElement extends _GradientElement {
-  // To suppress missing implicit constructor warnings.
-  factory LinearGradientElement._() { throw new UnsupportedError("Not supported"); }
+  LinearGradientElement.internal() : super.internal();
 
   @DomName('SVGLinearGradientElement.SVGLinearGradientElement')
   @DocsEditable
   factory LinearGradientElement() => _SvgElementFactoryProvider.createSvgElement_tag("linearGradient");
 
   @DomName('SVGLinearGradientElement.x1')
   @DocsEditable
   AnimatedLength get x1 native "SVGLinearGradientElement_x1_Getter";
 
   @DomName('SVGLinearGradientElement.x2')
@@ skipping 13 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGLocatable')
 @Unstable
 class Locatable extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Locatable._() { throw new UnsupportedError("Not supported"); }
+  Locatable.internal();
 
   @DomName('SVGLocatable.farthestViewportElement')
   @DocsEditable
   SvgElement get farthestViewportElement native "SVGLocatable_farthestViewportElement_Getter";
 
   @DomName('SVGLocatable.nearestViewportElement')
   @DocsEditable
   SvgElement get nearestViewportElement native "SVGLocatable_nearestViewportElement_Getter";
 
   @DomName('SVGLocatable.getBBox')
@@ skipping 17 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGMarkerElement')
 @Unstable
 class MarkerElement extends StyledElement implements FitToViewBox, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory MarkerElement._() { throw new UnsupportedError("Not supported"); }
+  MarkerElement.internal() : super.internal();
 
   @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 85 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGMaskElement')
 @Unstable
 class MaskElement extends StyledElement implements Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory MaskElement._() { throw new UnsupportedError("Not supported"); }
+  MaskElement.internal() : super.internal();
 
   @DomName('SVGMaskElement.SVGMaskElement')
   @DocsEditable
   factory MaskElement() => _SvgElementFactoryProvider.createSvgElement_tag("mask");
 
   @DomName('SVGMaskElement.height')
   @DocsEditable
   AnimatedLength get height native "SVGMaskElement_height_Getter";
 
   @DomName('SVGMaskElement.maskContentUnits')
@@ skipping 57 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGMatrix')
 @Unstable
 class Matrix extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Matrix._() { throw new UnsupportedError("Not supported"); }
+  Matrix.internal();
 
   @DomName('SVGMatrix.a')
   @DocsEditable
   num get a native "SVGMatrix_a_Getter";
 
   @DomName('SVGMatrix.a')
   @DocsEditable
   void set a(num value) native "SVGMatrix_a_Setter";
 
   @DomName('SVGMatrix.b')
@@ skipping 85 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGMetadataElement')
 @Unstable
 class MetadataElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory MetadataElement._() { throw new UnsupportedError("Not supported"); }
+  MetadataElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGNumber')
 @Unstable
 class Number extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Number._() { throw new UnsupportedError("Not supported"); }
+  Number.internal();
 
   @DomName('SVGNumber.value')
   @DocsEditable
   num get value native "SVGNumber_value_Getter";
 
   @DomName('SVGNumber.value')
   @DocsEditable
   void set value(num value) native "SVGNumber_value_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGNumberList')
 @Unstable
 class NumberList extends NativeFieldWrapperClass1 with ListMixin<Number>, ImmutableListMixin<Number> implements List<Number> {
-  // To suppress missing implicit constructor warnings.
-  factory NumberList._() { throw new UnsupportedError("Not supported"); }
+  NumberList.internal();
 
   @DomName('SVGNumberList.numberOfItems')
   @DocsEditable
   int get numberOfItems native "SVGNumberList_numberOfItems_Getter";
 
   Number operator[](int index) {
     if (index < 0 || index >= length)
       throw new RangeError.range(index, 0, length);
     return _nativeIndexedGetter(index);
   }
@@ skipping 72 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathElement')
 @Unstable
 class PathElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory PathElement._() { throw new UnsupportedError("Not supported"); }
+  PathElement.internal() : super.internal();
 
   @DomName('SVGPathElement.SVGPathElement')
   @DocsEditable
   factory PathElement() => _SvgElementFactoryProvider.createSvgElement_tag("path");
 
   @DomName('SVGPathElement.animatedNormalizedPathSegList')
   @DocsEditable
   PathSegList get animatedNormalizedPathSegList native "SVGPathElement_animatedNormalizedPathSegList_Getter";
 
   @DomName('SVGPathElement.animatedPathSegList')
@@ skipping 169 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSeg')
 @Unstable
 class PathSeg extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory PathSeg._() { throw new UnsupportedError("Not supported"); }
+  PathSeg.internal();
 
   @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 81 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegArcAbs')
 @Unstable
 class PathSegArcAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegArcAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegArcAbs.internal() : super.internal();
 
   @DomName('SVGPathSegArcAbs.angle')
   @DocsEditable
   num get angle native "SVGPathSegArcAbs_angle_Getter";
 
   @DomName('SVGPathSegArcAbs.angle')
   @DocsEditable
   void set angle(num value) native "SVGPathSegArcAbs_angle_Setter";
 
   @DomName('SVGPathSegArcAbs.largeArcFlag')
@@ skipping 49 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegArcRel')
 @Unstable
 class PathSegArcRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegArcRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegArcRel.internal() : super.internal();
 
   @DomName('SVGPathSegArcRel.angle')
   @DocsEditable
   num get angle native "SVGPathSegArcRel_angle_Getter";
 
   @DomName('SVGPathSegArcRel.angle')
   @DocsEditable
   void set angle(num value) native "SVGPathSegArcRel_angle_Setter";
 
   @DomName('SVGPathSegArcRel.largeArcFlag')
@@ skipping 49 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegClosePath')
 @Unstable
 class PathSegClosePath extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegClosePath._() { throw new UnsupportedError("Not supported"); }
+  PathSegClosePath.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoCubicAbs')
 @Unstable
 class PathSegCurvetoCubicAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegCurvetoCubicAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegCurvetoCubicAbs.internal() : super.internal();
 
   @DomName('SVGPathSegCurvetoCubicAbs.x')
   @DocsEditable
   num get x native "SVGPathSegCurvetoCubicAbs_x_Getter";
 
   @DomName('SVGPathSegCurvetoCubicAbs.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegCurvetoCubicAbs_x_Setter";
 
   @DomName('SVGPathSegCurvetoCubicAbs.x1')
@@ skipping 41 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoCubicRel')
 @Unstable
 class PathSegCurvetoCubicRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegCurvetoCubicRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegCurvetoCubicRel.internal() : super.internal();
 
   @DomName('SVGPathSegCurvetoCubicRel.x')
   @DocsEditable
   num get x native "SVGPathSegCurvetoCubicRel_x_Getter";
 
   @DomName('SVGPathSegCurvetoCubicRel.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegCurvetoCubicRel_x_Setter";
 
   @DomName('SVGPathSegCurvetoCubicRel.x1')
@@ skipping 41 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoCubicSmoothAbs')
 @Unstable
 class PathSegCurvetoCubicSmoothAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegCurvetoCubicSmoothAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegCurvetoCubicSmoothAbs.internal() : super.internal();
 
   @DomName('SVGPathSegCurvetoCubicSmoothAbs.x')
   @DocsEditable
   num get x native "SVGPathSegCurvetoCubicSmoothAbs_x_Getter";
 
   @DomName('SVGPathSegCurvetoCubicSmoothAbs.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegCurvetoCubicSmoothAbs_x_Setter";
 
   @DomName('SVGPathSegCurvetoCubicSmoothAbs.x2')
@@ skipping 25 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoCubicSmoothRel')
 @Unstable
 class PathSegCurvetoCubicSmoothRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegCurvetoCubicSmoothRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegCurvetoCubicSmoothRel.internal() : super.internal();
 
   @DomName('SVGPathSegCurvetoCubicSmoothRel.x')
   @DocsEditable
   num get x native "SVGPathSegCurvetoCubicSmoothRel_x_Getter";
 
   @DomName('SVGPathSegCurvetoCubicSmoothRel.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegCurvetoCubicSmoothRel_x_Setter";
 
   @DomName('SVGPathSegCurvetoCubicSmoothRel.x2')
@@ skipping 25 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoQuadraticAbs')
 @Unstable
 class PathSegCurvetoQuadraticAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegCurvetoQuadraticAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegCurvetoQuadraticAbs.internal() : super.internal();
 
   @DomName('SVGPathSegCurvetoQuadraticAbs.x')
   @DocsEditable
   num get x native "SVGPathSegCurvetoQuadraticAbs_x_Getter";
 
   @DomName('SVGPathSegCurvetoQuadraticAbs.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegCurvetoQuadraticAbs_x_Setter";
 
   @DomName('SVGPathSegCurvetoQuadraticAbs.x1')
@@ skipping 25 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoQuadraticRel')
 @Unstable
 class PathSegCurvetoQuadraticRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegCurvetoQuadraticRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegCurvetoQuadraticRel.internal() : super.internal();
 
   @DomName('SVGPathSegCurvetoQuadraticRel.x')
   @DocsEditable
   num get x native "SVGPathSegCurvetoQuadraticRel_x_Getter";
 
   @DomName('SVGPathSegCurvetoQuadraticRel.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegCurvetoQuadraticRel_x_Setter";
 
   @DomName('SVGPathSegCurvetoQuadraticRel.x1')
@@ skipping 25 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoQuadraticSmoothAbs')
 @Unstable
 class PathSegCurvetoQuadraticSmoothAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegCurvetoQuadraticSmoothAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegCurvetoQuadraticSmoothAbs.internal() : super.internal();
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothAbs.x')
   @DocsEditable
   num get x native "SVGPathSegCurvetoQuadraticSmoothAbs_x_Getter";
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothAbs.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegCurvetoQuadraticSmoothAbs_x_Setter";
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothAbs.y')
   @DocsEditable
   num get y native "SVGPathSegCurvetoQuadraticSmoothAbs_y_Getter";
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothAbs.y')
   @DocsEditable
   void set y(num value) native "SVGPathSegCurvetoQuadraticSmoothAbs_y_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegCurvetoQuadraticSmoothRel')
 @Unstable
 class PathSegCurvetoQuadraticSmoothRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegCurvetoQuadraticSmoothRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegCurvetoQuadraticSmoothRel.internal() : super.internal();
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothRel.x')
   @DocsEditable
   num get x native "SVGPathSegCurvetoQuadraticSmoothRel_x_Getter";
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothRel.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegCurvetoQuadraticSmoothRel_x_Setter";
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothRel.y')
   @DocsEditable
   num get y native "SVGPathSegCurvetoQuadraticSmoothRel_y_Getter";
 
   @DomName('SVGPathSegCurvetoQuadraticSmoothRel.y')
   @DocsEditable
   void set y(num value) native "SVGPathSegCurvetoQuadraticSmoothRel_y_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoAbs')
 @Unstable
 class PathSegLinetoAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegLinetoAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegLinetoAbs.internal() : super.internal();
 
   @DomName('SVGPathSegLinetoAbs.x')
   @DocsEditable
   num get x native "SVGPathSegLinetoAbs_x_Getter";
 
   @DomName('SVGPathSegLinetoAbs.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegLinetoAbs_x_Setter";
 
   @DomName('SVGPathSegLinetoAbs.y')
   @DocsEditable
   num get y native "SVGPathSegLinetoAbs_y_Getter";
 
   @DomName('SVGPathSegLinetoAbs.y')
   @DocsEditable
   void set y(num value) native "SVGPathSegLinetoAbs_y_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoHorizontalAbs')
 @Unstable
 class PathSegLinetoHorizontalAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegLinetoHorizontalAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegLinetoHorizontalAbs.internal() : super.internal();
 
   @DomName('SVGPathSegLinetoHorizontalAbs.x')
   @DocsEditable
   num get x native "SVGPathSegLinetoHorizontalAbs_x_Getter";
 
   @DomName('SVGPathSegLinetoHorizontalAbs.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegLinetoHorizontalAbs_x_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoHorizontalRel')
 @Unstable
 class PathSegLinetoHorizontalRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegLinetoHorizontalRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegLinetoHorizontalRel.internal() : super.internal();
 
   @DomName('SVGPathSegLinetoHorizontalRel.x')
   @DocsEditable
   num get x native "SVGPathSegLinetoHorizontalRel_x_Getter";
 
   @DomName('SVGPathSegLinetoHorizontalRel.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegLinetoHorizontalRel_x_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoRel')
 @Unstable
 class PathSegLinetoRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegLinetoRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegLinetoRel.internal() : super.internal();
 
   @DomName('SVGPathSegLinetoRel.x')
   @DocsEditable
   num get x native "SVGPathSegLinetoRel_x_Getter";
 
   @DomName('SVGPathSegLinetoRel.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegLinetoRel_x_Setter";
 
   @DomName('SVGPathSegLinetoRel.y')
   @DocsEditable
   num get y native "SVGPathSegLinetoRel_y_Getter";
 
   @DomName('SVGPathSegLinetoRel.y')
   @DocsEditable
   void set y(num value) native "SVGPathSegLinetoRel_y_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoVerticalAbs')
 @Unstable
 class PathSegLinetoVerticalAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegLinetoVerticalAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegLinetoVerticalAbs.internal() : super.internal();
 
   @DomName('SVGPathSegLinetoVerticalAbs.y')
   @DocsEditable
   num get y native "SVGPathSegLinetoVerticalAbs_y_Getter";
 
   @DomName('SVGPathSegLinetoVerticalAbs.y')
   @DocsEditable
   void set y(num value) native "SVGPathSegLinetoVerticalAbs_y_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegLinetoVerticalRel')
 @Unstable
 class PathSegLinetoVerticalRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegLinetoVerticalRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegLinetoVerticalRel.internal() : super.internal();
 
   @DomName('SVGPathSegLinetoVerticalRel.y')
   @DocsEditable
   num get y native "SVGPathSegLinetoVerticalRel_y_Getter";
 
   @DomName('SVGPathSegLinetoVerticalRel.y')
   @DocsEditable
   void set y(num value) native "SVGPathSegLinetoVerticalRel_y_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegList')
 @Unstable
 class PathSegList extends NativeFieldWrapperClass1 with ListMixin<PathSeg>, ImmutableListMixin<PathSeg> implements List<PathSeg> {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegList._() { throw new UnsupportedError("Not supported"); }
+  PathSegList.internal();
 
   @DomName('SVGPathSegList.numberOfItems')
   @DocsEditable
   int get numberOfItems native "SVGPathSegList_numberOfItems_Getter";
 
   PathSeg operator[](int index) {
     if (index < 0 || index >= length)
       throw new RangeError.range(index, 0, length);
     return _nativeIndexedGetter(index);
   }
@@ skipping 72 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegMovetoAbs')
 @Unstable
 class PathSegMovetoAbs extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegMovetoAbs._() { throw new UnsupportedError("Not supported"); }
+  PathSegMovetoAbs.internal() : super.internal();
 
   @DomName('SVGPathSegMovetoAbs.x')
   @DocsEditable
   num get x native "SVGPathSegMovetoAbs_x_Getter";
 
   @DomName('SVGPathSegMovetoAbs.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegMovetoAbs_x_Setter";
 
   @DomName('SVGPathSegMovetoAbs.y')
   @DocsEditable
   num get y native "SVGPathSegMovetoAbs_y_Getter";
 
   @DomName('SVGPathSegMovetoAbs.y')
   @DocsEditable
   void set y(num value) native "SVGPathSegMovetoAbs_y_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPathSegMovetoRel')
 @Unstable
 class PathSegMovetoRel extends PathSeg {
-  // To suppress missing implicit constructor warnings.
-  factory PathSegMovetoRel._() { throw new UnsupportedError("Not supported"); }
+  PathSegMovetoRel.internal() : super.internal();
 
   @DomName('SVGPathSegMovetoRel.x')
   @DocsEditable
   num get x native "SVGPathSegMovetoRel_x_Getter";
 
   @DomName('SVGPathSegMovetoRel.x')
   @DocsEditable
   void set x(num value) native "SVGPathSegMovetoRel_x_Setter";
 
   @DomName('SVGPathSegMovetoRel.y')
   @DocsEditable
   num get y native "SVGPathSegMovetoRel_y_Getter";
 
   @DomName('SVGPathSegMovetoRel.y')
   @DocsEditable
   void set y(num value) native "SVGPathSegMovetoRel_y_Setter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPatternElement')
 @Unstable
 class PatternElement extends StyledElement implements FitToViewBox, UriReference, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory PatternElement._() { throw new UnsupportedError("Not supported"); }
+  PatternElement.internal() : super.internal();
 
   @DomName('SVGPatternElement.SVGPatternElement')
   @DocsEditable
   factory PatternElement() => _SvgElementFactoryProvider.createSvgElement_tag("pattern");
 
   @DomName('SVGPatternElement.height')
   @DocsEditable
   AnimatedLength get height native "SVGPatternElement_height_Getter";
 
   @DomName('SVGPatternElement.patternContentUnits')
@@ skipping 73 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPoint')
 @Unstable
 class Point extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Point._() { throw new UnsupportedError("Not supported"); }
+  Point.internal();
 
   @DomName('SVGPoint.x')
   @DocsEditable
   num get x native "SVGPoint_x_Getter";
 
   @DomName('SVGPoint.x')
   @DocsEditable
   void set x(num value) native "SVGPoint_x_Setter";
 
   @DomName('SVGPoint.y')
@@ skipping 13 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPointList')
 @Unstable
 class PointList extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory PointList._() { throw new UnsupportedError("Not supported"); }
+  PointList.internal();
 
   @DomName('SVGPointList.numberOfItems')
   @DocsEditable
   int get numberOfItems native "SVGPointList_numberOfItems_Getter";
 
   @DomName('SVGPointList.appendItem')
   @DocsEditable
   Point appendItem(Point item) native "SVGPointList_appendItem_Callback";
 
   @DomName('SVGPointList.clear')
@@ skipping 25 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPolygonElement')
 @Unstable
 class PolygonElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory PolygonElement._() { throw new UnsupportedError("Not supported"); }
+  PolygonElement.internal() : super.internal();
 
   @DomName('SVGPolygonElement.SVGPolygonElement')
   @DocsEditable
   factory PolygonElement() => _SvgElementFactoryProvider.createSvgElement_tag("polygon");
 
   @DomName('SVGPolygonElement.animatedPoints')
   @DocsEditable
   PointList get animatedPoints native "SVGPolygonElement_animatedPoints_Getter";
 
   @DomName('SVGPolygonElement.points')
@@ skipping 69 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPolylineElement')
 @Unstable
 class PolylineElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory PolylineElement._() { throw new UnsupportedError("Not supported"); }
+  PolylineElement.internal() : super.internal();
 
   @DomName('SVGPolylineElement.SVGPolylineElement')
   @DocsEditable
   factory PolylineElement() => _SvgElementFactoryProvider.createSvgElement_tag("polyline");
 
   @DomName('SVGPolylineElement.animatedPoints')
   @DocsEditable
   PointList get animatedPoints native "SVGPolylineElement_animatedPoints_Getter";
 
   @DomName('SVGPolylineElement.points')
@@ skipping 69 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPreserveAspectRatio')
 @Unstable
 class PreserveAspectRatio extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory PreserveAspectRatio._() { throw new UnsupportedError("Not supported"); }
+  PreserveAspectRatio.internal();
 
   @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 65 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGRadialGradientElement')
 @Unstable
 class RadialGradientElement extends _GradientElement {
-  // To suppress missing implicit constructor warnings.
-  factory RadialGradientElement._() { throw new UnsupportedError("Not supported"); }
+  RadialGradientElement.internal() : super.internal();
 
   @DomName('SVGRadialGradientElement.SVGRadialGradientElement')
   @DocsEditable
   factory RadialGradientElement() => _SvgElementFactoryProvider.createSvgElement_tag("radialGradient");
 
   @DomName('SVGRadialGradientElement.cx')
   @DocsEditable
   AnimatedLength get cx native "SVGRadialGradientElement_cx_Getter";
 
   @DomName('SVGRadialGradientElement.cy')
@@ skipping 21 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGRect')
 @Unstable
 class Rect extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Rect._() { throw new UnsupportedError("Not supported"); }
+  Rect.internal();
 
   @DomName('SVGRect.height')
   @DocsEditable
   num get height native "SVGRect_height_Getter";
 
   @DomName('SVGRect.height')
   @DocsEditable
   void set height(num value) native "SVGRect_height_Setter";
 
   @DomName('SVGRect.width')
@@ skipping 25 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGRectElement')
 @Unstable
 class RectElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory RectElement._() { throw new UnsupportedError("Not supported"); }
+  RectElement.internal() : super.internal();
 
   @DomName('SVGRectElement.SVGRectElement')
   @DocsEditable
   factory RectElement() => _SvgElementFactoryProvider.createSvgElement_tag("rect");
 
   @DomName('SVGRectElement.height')
   @DocsEditable
   AnimatedLength get height native "SVGRectElement_height_Getter";
 
   @DomName('SVGRectElement.rx')
@@ skipping 85 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGRenderingIntent')
 @Unstable
 class RenderingIntent extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory RenderingIntent._() { throw new UnsupportedError("Not supported"); }
+  RenderingIntent.internal();
 
   @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 17 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGScriptElement')
 @Unstable
 class ScriptElement extends SvgElement implements UriReference, ExternalResourcesRequired {
-  // To suppress missing implicit constructor warnings.
-  factory ScriptElement._() { throw new UnsupportedError("Not supported"); }
+  ScriptElement.internal() : super.internal();
 
   @DomName('SVGScriptElement.SVGScriptElement')
   @DocsEditable
   factory ScriptElement() => _SvgElementFactoryProvider.createSvgElement_tag("script");
 
   @DomName('SVGScriptElement.type')
   @DocsEditable
   String get type native "SVGScriptElement_type_Getter";
 
   @DomName('SVGScriptElement.type')
@@ skipping 16 matching lines @@
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGSetElement')
 @SupportedBrowser(SupportedBrowser.CHROME)
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable
 class SetElement extends AnimationElement {
-  // To suppress missing implicit constructor warnings.
-  factory SetElement._() { throw new UnsupportedError("Not supported"); }
+  SetElement.internal() : super.internal();
 
   @DomName('SVGSetElement.SVGSetElement')
   @DocsEditable
   factory SetElement() => _SvgElementFactoryProvider.createSvgElement_tag("set");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGStopElement')
 @Unstable
 class StopElement extends StyledElement {
-  // To suppress missing implicit constructor warnings.
-  factory StopElement._() { throw new UnsupportedError("Not supported"); }
+  StopElement.internal() : super.internal();
 
   @DomName('SVGStopElement.SVGStopElement')
   @DocsEditable
   factory StopElement() => _SvgElementFactoryProvider.createSvgElement_tag("stop");
 
   @DomName('SVGStopElement.offset')
   @DocsEditable
   AnimatedNumber get gradientOffset native "SVGStopElement_offset_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGStringList')
 @Unstable
 class StringList extends NativeFieldWrapperClass1 with ListMixin<String>, ImmutableListMixin<String> implements List<String> {
-  // To suppress missing implicit constructor warnings.
-  factory StringList._() { throw new UnsupportedError("Not supported"); }
+  StringList.internal();
 
   @DomName('SVGStringList.numberOfItems')
   @DocsEditable
   int get numberOfItems native "SVGStringList_numberOfItems_Getter";
 
   String operator[](int index) {
     if (index < 0 || index >= length)
       throw new RangeError.range(index, 0, length);
     return _nativeIndexedGetter(index);
   }
@@ skipping 73 matching lines @@
 // BSD-style license that can be found in the LICENSE file.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGStyleElement')
 // http://www.w3.org/TR/SVG/types.html#InterfaceSVGStylable
 @Experimental // nonstandard
 class StyleElement extends SvgElement implements LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory StyleElement._() { throw new UnsupportedError("Not supported"); }
+  StyleElement.internal() : super.internal();
 
   @DomName('SVGStyleElement.SVGStyleElement')
   @DocsEditable
   factory StyleElement() => _SvgElementFactoryProvider.createSvgElement_tag("style");
 
   @DomName('SVGStyleElement.disabled')
   @DocsEditable
   bool get disabled native "SVGStyleElement_disabled_Getter";
 
   @DomName('SVGStyleElement.disabled')
@@ skipping 45 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGStyledElement')
 @Unstable
 class StyledElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory StyledElement._() { throw new UnsupportedError("Not supported"); }
+  StyledElement.internal() : super.internal();
 
   @DomName('SVGStyledElement.className')
   @DocsEditable
   AnimatedString get $dom_svgClassName native "SVGStyledElement_className_Getter";
 
   @DomName('SVGStyledElement.style')
   @DocsEditable
   CssStyleDeclaration get style native "SVGStyledElement_style_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGDocument')
 @Unstable
 class SvgDocument extends Document {
-  // To suppress missing implicit constructor warnings.
-  factory SvgDocument._() { throw new UnsupportedError("Not supported"); }
+  SvgDocument.internal() : super.internal();
 
   @DomName('SVGDocument.rootElement')
   @DocsEditable
   SvgSvgElement get rootElement native "SVGDocument_rootElement_Getter";
 
   @DomName('SVGDocument.createEvent')
   @DocsEditable
   Event $dom_createEvent(String eventType) native "SVGDocument_createEvent_Callback";
 
 }
@@ 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"); }
+  SvgElement.internal() : super.internal();
 
   @DomName('SVGElement.id')
   @DocsEditable
   String get id native "SVGElement_id_Getter";
 
   @DomName('SVGElement.id')
   @DocsEditable
   void set id(String value) native "SVGElement_id_Setter";
 
   @DomName('SVGElement.ownerSVGElement')
@@ skipping 17 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGException')
 @Unstable
 class SvgException extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory SvgException._() { throw new UnsupportedError("Not supported"); }
+  SvgException.internal();
 
   @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 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.
 
 
 @DomName('SVGSVGElement')
 @Unstable
 class SvgSvgElement extends StyledElement implements FitToViewBox, Transformable, Tests, ExternalResourcesRequired, ZoomAndPan, LangSpace {
   factory SvgSvgElement() => _SvgSvgElementFactoryProvider.createSvgSvgElement();
 
-  // To suppress missing implicit constructor warnings.
-  factory SvgSvgElement._() { throw new UnsupportedError("Not supported"); }
+  SvgSvgElement.internal() : super.internal();
 
   @DomName('SVGSVGElement.contentScriptType')
   @DocsEditable
   String get contentScriptType native "SVGSVGElement_contentScriptType_Getter";
 
   @DomName('SVGSVGElement.contentScriptType')
   @DocsEditable
   void set contentScriptType(String value) native "SVGSVGElement_contentScriptType_Setter";
 
   @DomName('SVGSVGElement.contentStyleType')
@@ skipping 237 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGSwitchElement')
 @Unstable
 class SwitchElement extends StyledElement implements Transformable, Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory SwitchElement._() { throw new UnsupportedError("Not supported"); }
+  SwitchElement.internal() : super.internal();
 
   @DomName('SVGSwitchElement.SVGSwitchElement')
   @DocsEditable
   factory SwitchElement() => _SvgElementFactoryProvider.createSvgElement_tag("switch");
 
   @DomName('SVGSwitchElement.externalResourcesRequired')
   @DocsEditable
   AnimatedBoolean get externalResourcesRequired native "SVGSwitchElement_externalResourcesRequired_Getter";
 
   @DomName('SVGSwitchElement.xmllang')
@@ skipping 61 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGSymbolElement')
 @Unstable
 class SymbolElement extends StyledElement implements FitToViewBox, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory SymbolElement._() { throw new UnsupportedError("Not supported"); }
+  SymbolElement.internal() : super.internal();
 
   @DomName('SVGSymbolElement.SVGSymbolElement')
   @DocsEditable
   factory SymbolElement() => _SvgElementFactoryProvider.createSvgElement_tag("symbol");
 
   @DomName('SVGSymbolElement.externalResourcesRequired')
   @DocsEditable
   AnimatedBoolean get externalResourcesRequired native "SVGSymbolElement_externalResourcesRequired_Getter";
 
   @DomName('SVGSymbolElement.preserveAspectRatio')
@@ skipping 25 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTSpanElement')
 @Unstable
 class TSpanElement extends TextPositioningElement {
-  // To suppress missing implicit constructor warnings.
-  factory TSpanElement._() { throw new UnsupportedError("Not supported"); }
+  TSpanElement.internal() : super.internal();
 
   @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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTests')
 @Unstable
 class Tests extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Tests._() { throw new UnsupportedError("Not supported"); }
+  Tests.internal();
 
   @DomName('SVGTests.requiredExtensions')
   @DocsEditable
   StringList get requiredExtensions native "SVGTests_requiredExtensions_Getter";
 
   @DomName('SVGTests.requiredFeatures')
   @DocsEditable
   StringList get requiredFeatures native "SVGTests_requiredFeatures_Getter";
 
   @DomName('SVGTests.systemLanguage')
   @DocsEditable
   StringList get systemLanguage native "SVGTests_systemLanguage_Getter";
 
   @DomName('SVGTests.hasExtension')
   @DocsEditable
   bool hasExtension(String extension) native "SVGTests_hasExtension_Callback";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTextContentElement')
 @Unstable
 class TextContentElement extends StyledElement implements Tests, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory TextContentElement._() { throw new UnsupportedError("Not supported"); }
+  TextContentElement.internal() : super.internal();
 
   @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 85 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTextElement')
 @Unstable
 class TextElement extends TextPositioningElement implements Transformable {
-  // To suppress missing implicit constructor warnings.
-  factory TextElement._() { throw new UnsupportedError("Not supported"); }
+  TextElement.internal() : super.internal();
 
   @DomName('SVGTextElement.SVGTextElement')
   @DocsEditable
   factory TextElement() => _SvgElementFactoryProvider.createSvgElement_tag("text");
 
   @DomName('SVGTextElement.farthestViewportElement')
   @DocsEditable
   SvgElement get farthestViewportElement native "SVGTextElement_farthestViewportElement_Getter";
 
   @DomName('SVGTextElement.nearestViewportElement')
@@ skipping 25 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTextPathElement')
 @Unstable
 class TextPathElement extends TextContentElement implements UriReference {
-  // To suppress missing implicit constructor warnings.
-  factory TextPathElement._() { throw new UnsupportedError("Not supported"); }
+  TextPathElement.internal() : super.internal();
 
   @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 33 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTextPositioningElement')
 @Unstable
 class TextPositioningElement extends TextContentElement {
-  // To suppress missing implicit constructor warnings.
-  factory TextPositioningElement._() { throw new UnsupportedError("Not supported"); }
+  TextPositioningElement.internal() : super.internal();
 
   @DomName('SVGTextPositioningElement.dx')
   @DocsEditable
   AnimatedLengthList get dx native "SVGTextPositioningElement_dx_Getter";
 
   @DomName('SVGTextPositioningElement.dy')
   @DocsEditable
   AnimatedLengthList get dy native "SVGTextPositioningElement_dy_Getter";
 
   @DomName('SVGTextPositioningElement.rotate')
@@ skipping 13 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTitleElement')
 @Unstable
 class TitleElement extends StyledElement implements LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory TitleElement._() { throw new UnsupportedError("Not supported"); }
+  TitleElement.internal() : super.internal();
 
   @DomName('SVGTitleElement.SVGTitleElement')
   @DocsEditable
   factory TitleElement() => _SvgElementFactoryProvider.createSvgElement_tag("title");
 
   @DomName('SVGTitleElement.xmllang')
   @DocsEditable
   String get xmllang native "SVGTitleElement_xmllang_Getter";
 
   @DomName('SVGTitleElement.xmllang')
@@ skipping 13 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTransform')
 @Unstable
 class Transform extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory Transform._() { throw new UnsupportedError("Not supported"); }
+  Transform.internal();
 
   @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 57 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTransformList')
 @Unstable
 class TransformList extends NativeFieldWrapperClass1 with ListMixin<Transform>, ImmutableListMixin<Transform> implements List<Transform> {
-  // To suppress missing implicit constructor warnings.
-  factory TransformList._() { throw new UnsupportedError("Not supported"); }
+  TransformList.internal();
 
   @DomName('SVGTransformList.numberOfItems')
   @DocsEditable
   int get numberOfItems native "SVGTransformList_numberOfItems_Getter";
 
   Transform operator[](int index) {
     if (index < 0 || index >= length)
       throw new RangeError.range(index, 0, length);
     return _nativeIndexedGetter(index);
   }
@@ skipping 80 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTransformable')
 @Unstable
 class Transformable extends NativeFieldWrapperClass1 implements Locatable {
-  // To suppress missing implicit constructor warnings.
-  factory Transformable._() { throw new UnsupportedError("Not supported"); }
+  Transformable.internal();
 
   @DomName('SVGTransformable.transform')
   @DocsEditable
   AnimatedTransformList get transform native "SVGTransformable_transform_Getter";
 
   @DomName('SVGTransformable.farthestViewportElement')
   @DocsEditable
   SvgElement get farthestViewportElement native "SVGTransformable_farthestViewportElement_Getter";
 
   @DomName('SVGTransformable.nearestViewportElement')
@@ skipping 21 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGUnitTypes')
 @Unstable
 class UnitTypes extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory UnitTypes._() { throw new UnsupportedError("Not supported"); }
+  UnitTypes.internal();
 
   @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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGURIReference')
 @Unstable
 class UriReference extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory UriReference._() { throw new UnsupportedError("Not supported"); }
+  UriReference.internal();
 
   @DomName('SVGURIReference.href')
   @DocsEditable
   AnimatedString get href native "SVGURIReference_href_Getter";
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGUseElement')
 @Unstable
 class UseElement extends StyledElement implements UriReference, Tests, Transformable, ExternalResourcesRequired, LangSpace {
-  // To suppress missing implicit constructor warnings.
-  factory UseElement._() { throw new UnsupportedError("Not supported"); }
+  UseElement.internal() : super.internal();
 
   @DomName('SVGUseElement.SVGUseElement')
   @DocsEditable
   factory UseElement() => _SvgElementFactoryProvider.createSvgElement_tag("use");
 
   @DomName('SVGUseElement.animatedInstanceRoot')
   @DocsEditable
   ElementInstance get animatedInstanceRoot native "SVGUseElement_animatedInstanceRoot_Getter";
 
   @DomName('SVGUseElement.height')
@@ skipping 89 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGViewElement')
 @Unstable
 class ViewElement extends SvgElement implements FitToViewBox, ExternalResourcesRequired, ZoomAndPan {
-  // To suppress missing implicit constructor warnings.
-  factory ViewElement._() { throw new UnsupportedError("Not supported"); }
+  ViewElement.internal() : super.internal();
 
   @DomName('SVGViewElement.SVGViewElement')
   @DocsEditable
   factory ViewElement() => _SvgElementFactoryProvider.createSvgElement_tag("view");
 
   @DomName('SVGViewElement.viewTarget')
   @DocsEditable
   StringList get viewTarget native "SVGViewElement_viewTarget_Getter";
 
   @DomName('SVGViewElement.externalResourcesRequired')
@@ skipping 21 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGViewSpec')
 @Unstable
 class ViewSpec extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory ViewSpec._() { throw new UnsupportedError("Not supported"); }
+  ViewSpec.internal();
 
   @DomName('SVGViewSpec.preserveAspectRatio')
   @DocsEditable
   @Experimental // nonstandard
   AnimatedPreserveAspectRatio get preserveAspectRatio native "SVGViewSpec_preserveAspectRatio_Getter";
 
   @DomName('SVGViewSpec.preserveAspectRatioString')
   @DocsEditable
   String get preserveAspectRatioString native "SVGViewSpec_preserveAspectRatioString_Getter";
 
@@ skipping 37 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGZoomAndPan')
 @Unstable
 class ZoomAndPan extends NativeFieldWrapperClass1 {
-  // To suppress missing implicit constructor warnings.
-  factory ZoomAndPan._() { throw new UnsupportedError("Not supported"); }
+  ZoomAndPan.internal();
 
   @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')
@@ skipping 13 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGZoomEvent')
 @Unstable
 class ZoomEvent extends UIEvent {
-  // To suppress missing implicit constructor warnings.
-  factory ZoomEvent._() { throw new UnsupportedError("Not supported"); }
+  ZoomEvent.internal() : super.internal();
 
   @DomName('SVGZoomEvent.newScale')
   @DocsEditable
   num get newScale native "SVGZoomEvent_newScale_Getter";
 
   @DomName('SVGZoomEvent.newTranslate')
   @DocsEditable
   Point get newTranslate native "SVGZoomEvent_newTranslate_Getter";
 
   @DomName('SVGZoomEvent.previousScale')
@@ skipping 13 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGElementInstanceList')
 @Unstable
 class _ElementInstanceList extends NativeFieldWrapperClass1 with ListMixin<ElementInstance>, ImmutableListMixin<ElementInstance> implements List<ElementInstance> {
-  // To suppress missing implicit constructor warnings.
-  factory _ElementInstanceList._() { throw new UnsupportedError("Not supported"); }
+  _ElementInstanceList.internal();
 
   @DomName('SVGElementInstanceList.length')
   @DocsEditable
   int get length native "SVGElementInstanceList_length_Getter";
 
   ElementInstance operator[](int index) {
     if (index < 0 || index >= length)
       throw new RangeError.range(index, 0, length);
     return _nativeIndexedGetter(index);
   }
@@ skipping 46 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGGradientElement')
 @Unstable
 class _GradientElement extends StyledElement implements UriReference, ExternalResourcesRequired {
-  // To suppress missing implicit constructor warnings.
-  factory _GradientElement._() { throw new UnsupportedError("Not supported"); }
+  _GradientElement.internal() : super.internal();
 
   @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 29 matching lines @@
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAltGlyphDefElement')
 @Unstable
 abstract class _SVGAltGlyphDefElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGAltGlyphDefElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGAltGlyphDefElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAltGlyphItemElement')
 @Unstable
 abstract class _SVGAltGlyphItemElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGAltGlyphItemElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGAltGlyphItemElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGAnimateColorElement')
 @Unstable
 abstract class _SVGAnimateColorElement extends AnimationElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGAnimateColorElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGAnimateColorElement.internal() : super.internal();
 
 }
 // 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
-abstract class _SVGColor {
+class _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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGComponentTransferFunctionElement')
 @Unstable
 abstract class _SVGComponentTransferFunctionElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGComponentTransferFunctionElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGComponentTransferFunctionElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGCursorElement')
 @Unstable
 abstract class _SVGCursorElement extends SvgElement implements UriReference, Tests, ExternalResourcesRequired {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGCursorElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGCursorElement.internal() : super.internal();
 
   @DomName('SVGCursorElement.SVGCursorElement')
   @DocsEditable
   factory _SVGCursorElement() => _SvgElementFactoryProvider.createSvgElement_tag("cursor");
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFEDropShadowElement')
 @Experimental // nonstandard
 abstract class _SVGFEDropShadowElement extends StyledElement implements FilterPrimitiveStandardAttributes {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGFEDropShadowElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGFEDropShadowElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFontElement')
 @Unstable
 abstract class _SVGFontElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGFontElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGFontElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFontFaceElement')
 @Unstable
 abstract class _SVGFontFaceElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGFontFaceElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGFontFaceElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFontFaceFormatElement')
 @Unstable
 abstract class _SVGFontFaceFormatElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGFontFaceFormatElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGFontFaceFormatElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFontFaceNameElement')
 @Unstable
 abstract class _SVGFontFaceNameElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGFontFaceNameElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGFontFaceNameElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFontFaceSrcElement')
 @Unstable
 abstract class _SVGFontFaceSrcElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGFontFaceSrcElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGFontFaceSrcElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGFontFaceUriElement')
 @Unstable
 abstract class _SVGFontFaceUriElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGFontFaceUriElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGFontFaceUriElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGGlyphElement')
 @Unstable
 abstract class _SVGGlyphElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGGlyphElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGGlyphElement.internal() : super.internal();
 
   @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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGGlyphRefElement')
 @Unstable
 abstract class _SVGGlyphRefElement extends StyledElement implements UriReference {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGGlyphRefElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGGlyphRefElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGHKernElement')
 @Unstable
 abstract class _SVGHKernElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGHKernElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGHKernElement.internal() : super.internal();
 
   @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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGMPathElement')
 abstract class _SVGMPathElement extends SvgElement implements UriReference, ExternalResourcesRequired {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGMPathElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGMPathElement.internal() : super.internal();
 
   @DomName('SVGMPathElement.SVGMPathElement')
   @DocsEditable
   factory _SVGMPathElement() => _SvgElementFactoryProvider.createSvgElement_tag("mpath");
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGMissingGlyphElement')
 @Unstable
 abstract class _SVGMissingGlyphElement extends StyledElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGMissingGlyphElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGMissingGlyphElement.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGPaint')
 @Unstable
 abstract class _SVGPaint extends _SVGColor {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGPaint._() { throw new UnsupportedError("Not supported"); }
+  _SVGPaint.internal() : super.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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGTRefElement')
 @Unstable
 abstract class _SVGTRefElement extends TextPositioningElement implements UriReference {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGTRefElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGTRefElement.internal() : super.internal();
 
   @DomName('SVGTRefElement.SVGTRefElement')
   @DocsEditable
   factory _SVGTRefElement() => _SvgElementFactoryProvider.createSvgElement_tag("tref");
 
 }
 // 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.
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable
 @DomName('SVGVKernElement')
 @Unstable
 abstract class _SVGVKernElement extends SvgElement {
-  // To suppress missing implicit constructor warnings.
-  factory _SVGVKernElement._() { throw new UnsupportedError("Not supported"); }
+  _SVGVKernElement.internal() : super.internal();
 
   @DomName('SVGVKernElement.SVGVKernElement')
   @DocsEditable
   factory _SVGVKernElement() => _SvgElementFactoryProvider.createSvgElement_tag("vkern");
 
 }