Adding Element.created constructor

sdk/lib/svg/dartium/svg_dartium.dart

 library dart.dom.svg;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:_collection-dev' hide deprecated;
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:nativewrappers';
 // DO NOT EDIT
 // Auto-generated dart:svg library.
@@ skipping 24 matching lines @@
 @DocsEditable()
 @DomName('SVGAElement')
 @Unstable()
 class AElement extends GraphicsElement implements UriReference, ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory AElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAElement.SVGAElement')
   @DocsEditable()
   factory AElement() => _SvgElementFactoryProvider.createSvgElement_tag("a");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  AElement.created() : super.created();
 
   @DomName('SVGAElement.target')
   @DocsEditable()
   AnimatedString get target native "SVGAElement_target_Getter";
 
   @DomName('SVGAElement.externalResourcesRequired')
   @DocsEditable()
   AnimatedBoolean get externalResourcesRequired native "SVGAElement_externalResourcesRequired_Getter";
 
   @DomName('SVGAElement.href')
@@ skipping 14 matching lines @@
 @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"); }
 
   @DomName('SVGAltGlyphElement.SVGAltGlyphElement')
   @DocsEditable()
   factory AltGlyphElement() => _SvgElementFactoryProvider.createSvgElement_tag("altGlyph");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  AltGlyphElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGAltGlyphElement.format')
   @DocsEditable()
   String get format native "SVGAltGlyphElement_format_Getter";
 
   @DomName('SVGAltGlyphElement.format')
   @DocsEditable()
@@ skipping 94 matching lines @@
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class AnimateElement extends AnimationElement {
   // To suppress missing implicit constructor warnings.
   factory AnimateElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAnimateElement.SVGAnimateElement')
   @DocsEditable()
   factory AnimateElement() => _SvgElementFactoryProvider.createSvgElement_tag("animate");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  AnimateElement.created() : super.created();
 
   /// 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"); }
 
   @DomName('SVGAnimateMotionElement.SVGAnimateMotionElement')
   @DocsEditable()
   factory AnimateMotionElement() => _SvgElementFactoryProvider.createSvgElement_tag("animateMotion");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  AnimateMotionElement.created() : super.created();
 
   /// 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"); }
 
   @DomName('SVGAnimateTransformElement.SVGAnimateTransformElement')
   @DocsEditable()
   factory AnimateTransformElement() => _SvgElementFactoryProvider.createSvgElement_tag("animateTransform");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  AnimateTransformElement.created() : super.created();
 
   /// 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.
@@ skipping 274 matching lines @@
 @DocsEditable()
 @DomName('SVGAnimationElement')
 @Unstable()
 class AnimationElement extends SvgElement implements ExternalResourcesRequired, Tests {
   // To suppress missing implicit constructor warnings.
   factory AnimationElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGAnimationElement.SVGAnimationElement')
   @DocsEditable()
   factory AnimationElement() => _SvgElementFactoryProvider.createSvgElement_tag("animation");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  AnimationElement.created() : super.created();
 
   @DomName('SVGAnimationElement.targetElement')
   @DocsEditable()
   SvgElement get targetElement native "SVGAnimationElement_targetElement_Getter";
 
   @DomName('SVGAnimationElement.beginElement')
   @DocsEditable()
   void beginElement() native "SVGAnimationElement_beginElement_Callback";
 
   @DomName('SVGAnimationElement.beginElementAt')
@@ skipping 51 matching lines @@
 @DocsEditable()
 @DomName('SVGCircleElement')
 @Unstable()
 class CircleElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory CircleElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGCircleElement.SVGCircleElement')
   @DocsEditable()
   factory CircleElement() => _SvgElementFactoryProvider.createSvgElement_tag("circle");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  CircleElement.created() : super.created();
 
   @DomName('SVGCircleElement.cx')
   @DocsEditable()
   AnimatedLength get cx native "SVGCircleElement_cx_Getter";
 
   @DomName('SVGCircleElement.cy')
   @DocsEditable()
   AnimatedLength get cy native "SVGCircleElement_cy_Getter";
 
   @DomName('SVGCircleElement.r')
@@ skipping 15 matching lines @@
 @DocsEditable()
 @DomName('SVGClipPathElement')
 @Unstable()
 class ClipPathElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory ClipPathElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGClipPathElement.SVGClipPathElement')
   @DocsEditable()
   factory ClipPathElement() => _SvgElementFactoryProvider.createSvgElement_tag("clipPath");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  ClipPathElement.created() : super.created();
 
   @DomName('SVGClipPathElement.clipPathUnits')
   @DocsEditable()
   AnimatedEnumeration get clipPathUnits native "SVGClipPathElement_clipPathUnits_Getter";
 
   @DomName('SVGClipPathElement.externalResourcesRequired')
   @DocsEditable()
   AnimatedBoolean get externalResourcesRequired native "SVGClipPathElement_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('SVGDefsElement')
 @Unstable()
 class DefsElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory DefsElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGDefsElement.SVGDefsElement')
   @DocsEditable()
   factory DefsElement() => _SvgElementFactoryProvider.createSvgElement_tag("defs");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  DefsElement.created() : super.created();
 
   @DomName('SVGDefsElement.externalResourcesRequired')
   @DocsEditable()
   AnimatedBoolean get externalResourcesRequired native "SVGDefsElement_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('SVGDescElement')
 @Unstable()
 class DescElement extends SvgElement {
   // To suppress missing implicit constructor warnings.
   factory DescElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGDescElement.SVGDescElement')
   @DocsEditable()
   factory DescElement() => _SvgElementFactoryProvider.createSvgElement_tag("desc");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  DescElement.created() : super.created();
 
 }
 // 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()
@@ skipping 405 matching lines @@
 @DocsEditable()
 @DomName('SVGEllipseElement')
 @Unstable()
 class EllipseElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory EllipseElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGEllipseElement.SVGEllipseElement')
   @DocsEditable()
   factory EllipseElement() => _SvgElementFactoryProvider.createSvgElement_tag("ellipse");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  EllipseElement.created() : super.created();
 
   @DomName('SVGEllipseElement.cx')
   @DocsEditable()
   AnimatedLength get cx native "SVGEllipseElement_cx_Getter";
 
   @DomName('SVGEllipseElement.cy')
   @DocsEditable()
   AnimatedLength get cy native "SVGEllipseElement_cy_Getter";
 
   @DomName('SVGEllipseElement.rx')
@@ skipping 43 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEBlendElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEBlendElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEBlendElement.SVGFEBlendElement')
   @DocsEditable()
   factory FEBlendElement() => _SvgElementFactoryProvider.createSvgElement_tag("feBlend");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEBlendElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEBlendElement.SVG_FEBLEND_MODE_DARKEN')
   @DocsEditable()
   static const int SVG_FEBLEND_MODE_DARKEN = 4;
 
   @DomName('SVGFEBlendElement.SVG_FEBLEND_MODE_LIGHTEN')
   @DocsEditable()
@@ skipping 62 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEColorMatrixElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEColorMatrixElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEColorMatrixElement.SVGFEColorMatrixElement')
   @DocsEditable()
   factory FEColorMatrixElement() => _SvgElementFactoryProvider.createSvgElement_tag("feColorMatrix");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEColorMatrixElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_HUEROTATE')
   @DocsEditable()
   static const int SVG_FECOLORMATRIX_TYPE_HUEROTATE = 3;
 
   @DomName('SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA')
   @DocsEditable()
@@ skipping 58 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEComponentTransferElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEComponentTransferElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEComponentTransferElement.SVGFEComponentTransferElement')
   @DocsEditable()
   factory FEComponentTransferElement() => _SvgElementFactoryProvider.createSvgElement_tag("feComponentTransfer");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEComponentTransferElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEComponentTransferElement.in1')
   @DocsEditable()
   AnimatedString get in1 native "SVGFEComponentTransferElement_in1_Getter";
 
   @DomName('SVGFEComponentTransferElement.height')
   @DocsEditable()
@@ skipping 22 matching lines @@
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable()
 @DomName('SVGFECompositeElement')
 @Unstable()
 class FECompositeElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FECompositeElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FECompositeElement.created() : super.created();
 
   @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 79 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEConvolveMatrixElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEConvolveMatrixElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEConvolveMatrixElement.SVGFEConvolveMatrixElement')
   @DocsEditable()
   factory FEConvolveMatrixElement() => _SvgElementFactoryProvider.createSvgElement_tag("feConvolveMatrix");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEConvolveMatrixElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEConvolveMatrixElement.SVG_EDGEMODE_DUPLICATE')
   @DocsEditable()
   static const int SVG_EDGEMODE_DUPLICATE = 1;
 
   @DomName('SVGFEConvolveMatrixElement.SVG_EDGEMODE_NONE')
   @DocsEditable()
@@ skipping 90 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEDiffuseLightingElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEDiffuseLightingElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEDiffuseLightingElement.SVGFEDiffuseLightingElement')
   @DocsEditable()
   factory FEDiffuseLightingElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDiffuseLighting");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEDiffuseLightingElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEDiffuseLightingElement.diffuseConstant')
   @DocsEditable()
   AnimatedNumber get diffuseConstant native "SVGFEDiffuseLightingElement_diffuseConstant_Getter";
 
   @DomName('SVGFEDiffuseLightingElement.in1')
   @DocsEditable()
@@ skipping 46 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEDisplacementMapElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEDisplacementMapElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEDisplacementMapElement.SVGFEDisplacementMapElement')
   @DocsEditable()
   factory FEDisplacementMapElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDisplacementMap");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEDisplacementMapElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEDisplacementMapElement.SVG_CHANNEL_A')
   @DocsEditable()
   static const int SVG_CHANNEL_A = 4;
 
   @DomName('SVGFEDisplacementMapElement.SVG_CHANNEL_B')
   @DocsEditable()
@@ skipping 66 matching lines @@
 @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"); }
 
   @DomName('SVGFEDistantLightElement.SVGFEDistantLightElement')
   @DocsEditable()
   factory FEDistantLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("feDistantLight");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEDistantLightElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEDistantLightElement.azimuth')
   @DocsEditable()
   AnimatedNumber get azimuth native "SVGFEDistantLightElement_azimuth_Getter";
 
   @DomName('SVGFEDistantLightElement.elevation')
   @DocsEditable()
@@ skipping 14 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEFloodElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEFloodElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEFloodElement.SVGFEFloodElement')
   @DocsEditable()
   factory FEFloodElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFlood");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEFloodElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEFloodElement.height')
   @DocsEditable()
   AnimatedLength get height native "SVGFEFloodElement_height_Getter";
 
   @DomName('SVGFEFloodElement.result')
   @DocsEditable()
@@ skipping 26 matching lines @@
 @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"); }
 
   @DomName('SVGFEFuncAElement.SVGFEFuncAElement')
   @DocsEditable()
   factory FEFuncAElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncA");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEFuncAElement.created() : super.created();
 
   /// 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"); }
 
   @DomName('SVGFEFuncBElement.SVGFEFuncBElement')
   @DocsEditable()
   factory FEFuncBElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncB");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEFuncBElement.created() : super.created();
 
   /// 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"); }
 
   @DomName('SVGFEFuncGElement.SVGFEFuncGElement')
   @DocsEditable()
   factory FEFuncGElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncG");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEFuncGElement.created() : super.created();
 
   /// 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"); }
 
   @DomName('SVGFEFuncRElement.SVGFEFuncRElement')
   @DocsEditable()
   factory FEFuncRElement() => _SvgElementFactoryProvider.createSvgElement_tag("feFuncR");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEFuncRElement.created() : super.created();
 
   /// 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 SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEGaussianBlurElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEGaussianBlurElement.SVGFEGaussianBlurElement')
   @DocsEditable()
   factory FEGaussianBlurElement() => _SvgElementFactoryProvider.createSvgElement_tag("feGaussianBlur");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEGaussianBlurElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEGaussianBlurElement.in1')
   @DocsEditable()
   AnimatedString get in1 native "SVGFEGaussianBlurElement_in1_Getter";
 
   @DomName('SVGFEGaussianBlurElement.stdDeviationX')
   @DocsEditable()
@@ skipping 42 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEImageElement extends SvgElement implements FilterPrimitiveStandardAttributes, UriReference, ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory FEImageElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEImageElement.SVGFEImageElement')
   @DocsEditable()
   factory FEImageElement() => _SvgElementFactoryProvider.createSvgElement_tag("feImage");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEImageElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEImageElement.preserveAspectRatio')
   @DocsEditable()
   AnimatedPreserveAspectRatio get preserveAspectRatio native "SVGFEImageElement_preserveAspectRatio_Getter";
 
   @DomName('SVGFEImageElement.externalResourcesRequired')
   @DocsEditable()
@@ skipping 38 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEMergeElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEMergeElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEMergeElement.SVGFEMergeElement')
   @DocsEditable()
   factory FEMergeElement() => _SvgElementFactoryProvider.createSvgElement_tag("feMerge");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEMergeElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEMergeElement.height')
   @DocsEditable()
   AnimatedLength get height native "SVGFEMergeElement_height_Getter";
 
   @DomName('SVGFEMergeElement.result')
   @DocsEditable()
@@ skipping 26 matching lines @@
 @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"); }
 
   @DomName('SVGFEMergeNodeElement.SVGFEMergeNodeElement')
   @DocsEditable()
   factory FEMergeNodeElement() => _SvgElementFactoryProvider.createSvgElement_tag("feMergeNode");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEMergeNodeElement.created() : super.created();
 
   /// 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 SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEMorphologyElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEMorphologyElement.created() : super.created();
 
   @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 55 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FEOffsetElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FEOffsetElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFEOffsetElement.SVGFEOffsetElement')
   @DocsEditable()
   factory FEOffsetElement() => _SvgElementFactoryProvider.createSvgElement_tag("feOffset");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEOffsetElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEOffsetElement.dx')
   @DocsEditable()
   AnimatedNumber get dx native "SVGFEOffsetElement_dx_Getter";
 
   @DomName('SVGFEOffsetElement.dy')
   @DocsEditable()
@@ skipping 38 matching lines @@
 @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"); }
 
   @DomName('SVGFEPointLightElement.SVGFEPointLightElement')
   @DocsEditable()
   factory FEPointLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("fePointLight");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FEPointLightElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFEPointLightElement.x')
   @DocsEditable()
   AnimatedNumber get x native "SVGFEPointLightElement_x_Getter";
 
   @DomName('SVGFEPointLightElement.y')
   @DocsEditable()
@@ skipping 18 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FESpecularLightingElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FESpecularLightingElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFESpecularLightingElement.SVGFESpecularLightingElement')
   @DocsEditable()
   factory FESpecularLightingElement() => _SvgElementFactoryProvider.createSvgElement_tag("feSpecularLighting");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FESpecularLightingElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFESpecularLightingElement.in1')
   @DocsEditable()
   AnimatedString get in1 native "SVGFESpecularLightingElement_in1_Getter";
 
   @DomName('SVGFESpecularLightingElement.specularConstant')
   @DocsEditable()
@@ skipping 42 matching lines @@
 @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"); }
 
   @DomName('SVGFESpotLightElement.SVGFESpotLightElement')
   @DocsEditable()
   factory FESpotLightElement() => _SvgElementFactoryProvider.createSvgElement_tag("feSpotLight");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FESpotLightElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFESpotLightElement.limitingConeAngle')
   @DocsEditable()
   AnimatedNumber get limitingConeAngle native "SVGFESpotLightElement_limitingConeAngle_Getter";
 
   @DomName('SVGFESpotLightElement.pointsAtX')
   @DocsEditable()
@@ skipping 38 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FETileElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FETileElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFETileElement.SVGFETileElement')
   @DocsEditable()
   factory FETileElement() => _SvgElementFactoryProvider.createSvgElement_tag("feTile");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FETileElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFETileElement.in1')
   @DocsEditable()
   AnimatedString get in1 native "SVGFETileElement_in1_Getter";
 
   @DomName('SVGFETileElement.height')
   @DocsEditable()
@@ skipping 30 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FETurbulenceElement extends SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory FETurbulenceElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFETurbulenceElement.SVGFETurbulenceElement')
   @DocsEditable()
   factory FETurbulenceElement() => _SvgElementFactoryProvider.createSvgElement_tag("feTurbulence");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FETurbulenceElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFETurbulenceElement.SVG_STITCHTYPE_NOSTITCH')
   @DocsEditable()
   static const int SVG_STITCHTYPE_NOSTITCH = 2;
 
   @DomName('SVGFETurbulenceElement.SVG_STITCHTYPE_STITCH')
   @DocsEditable()
@@ skipping 74 matching lines @@
 @SupportedBrowser(SupportedBrowser.IE, '10')
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class FilterElement extends SvgElement implements UriReference, ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory FilterElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGFilterElement.SVGFilterElement')
   @DocsEditable()
   factory FilterElement() => _SvgElementFactoryProvider.createSvgElement_tag("filter");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  FilterElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGFilterElement.filterResX')
   @DocsEditable()
   AnimatedInteger get filterResX native "SVGFilterElement_filterResX_Getter";
 
   @DomName('SVGFilterElement.filterResY')
   @DocsEditable()
@@ skipping 103 matching lines @@
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class ForeignObjectElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory ForeignObjectElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGForeignObjectElement.SVGForeignObjectElement')
   @DocsEditable()
   factory ForeignObjectElement() => _SvgElementFactoryProvider.createSvgElement_tag("foreignObject");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  ForeignObjectElement.created() : super.created();
 
   /// Checks if this type is supported on the current platform.
   static bool get supported => true;
 
   @DomName('SVGForeignObjectElement.height')
   @DocsEditable()
   AnimatedLength get height native "SVGForeignObjectElement_height_Getter";
 
   @DomName('SVGForeignObjectElement.width')
   @DocsEditable()
@@ skipping 22 matching lines @@
 @DocsEditable()
 @DomName('SVGGElement')
 @Unstable()
 class GElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory GElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGGElement.SVGGElement')
   @DocsEditable()
   factory GElement() => _SvgElementFactoryProvider.createSvgElement_tag("g");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  GElement.created() : super.created();
 
   @DomName('SVGGElement.externalResourcesRequired')
   @DocsEditable()
   AnimatedBoolean get externalResourcesRequired native "SVGGElement_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('SVGGraphicsElement')
 @Experimental() // untriaged
 class GraphicsElement extends SvgElement implements Tests {
   // To suppress missing implicit constructor warnings.
   factory GraphicsElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  GraphicsElement.created() : super.created();
 
   @DomName('SVGGraphicsElement.farthestViewportElement')
   @DocsEditable()
   @Experimental() // untriaged
   SvgElement get farthestViewportElement native "SVGGraphicsElement_farthestViewportElement_Getter";
 
   @DomName('SVGGraphicsElement.nearestViewportElement')
   @DocsEditable()
   @Experimental() // untriaged
   SvgElement get nearestViewportElement native "SVGGraphicsElement_nearestViewportElement_Getter";
@@ skipping 54 matching lines @@
 @DocsEditable()
 @DomName('SVGImageElement')
 @Unstable()
 class ImageElement extends GraphicsElement implements UriReference, ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory ImageElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGImageElement.SVGImageElement')
   @DocsEditable()
   factory ImageElement() => _SvgElementFactoryProvider.createSvgElement_tag("image");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  ImageElement.created() : super.created();
 
   @DomName('SVGImageElement.height')
   @DocsEditable()
   AnimatedLength get height native "SVGImageElement_height_Getter";
 
   @DomName('SVGImageElement.preserveAspectRatio')
   @DocsEditable()
   AnimatedPreserveAspectRatio get preserveAspectRatio native "SVGImageElement_preserveAspectRatio_Getter";
 
   @DomName('SVGImageElement.width')
@@ skipping 211 matching lines @@
 @DocsEditable()
 @DomName('SVGLineElement')
 @Unstable()
 class LineElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory LineElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGLineElement.SVGLineElement')
   @DocsEditable()
   factory LineElement() => _SvgElementFactoryProvider.createSvgElement_tag("line");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  LineElement.created() : super.created();
 
   @DomName('SVGLineElement.x1')
   @DocsEditable()
   AnimatedLength get x1 native "SVGLineElement_x1_Getter";
 
   @DomName('SVGLineElement.x2')
   @DocsEditable()
   AnimatedLength get x2 native "SVGLineElement_x2_Getter";
 
   @DomName('SVGLineElement.y1')
@@ skipping 19 matching lines @@
 @DocsEditable()
 @DomName('SVGLinearGradientElement')
 @Unstable()
 class LinearGradientElement extends _GradientElement {
   // To suppress missing implicit constructor warnings.
   factory LinearGradientElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGLinearGradientElement.SVGLinearGradientElement')
   @DocsEditable()
   factory LinearGradientElement() => _SvgElementFactoryProvider.createSvgElement_tag("linearGradient");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  LinearGradientElement.created() : super.created();
 
   @DomName('SVGLinearGradientElement.x1')
   @DocsEditable()
   AnimatedLength get x1 native "SVGLinearGradientElement_x1_Getter";
 
   @DomName('SVGLinearGradientElement.x2')
   @DocsEditable()
   AnimatedLength get x2 native "SVGLinearGradientElement_x2_Getter";
 
   @DomName('SVGLinearGradientElement.y1')
@@ skipping 15 matching lines @@
 @DocsEditable()
 @DomName('SVGMarkerElement')
 @Unstable()
 class MarkerElement extends SvgElement implements FitToViewBox, ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory MarkerElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGMarkerElement.SVGMarkerElement')
   @DocsEditable()
   factory MarkerElement() => _SvgElementFactoryProvider.createSvgElement_tag("marker");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  MarkerElement.created() : super.created();
 
   @DomName('SVGMarkerElement.SVG_MARKERUNITS_STROKEWIDTH')
   @DocsEditable()
   static const int SVG_MARKERUNITS_STROKEWIDTH = 2;
 
   @DomName('SVGMarkerElement.SVG_MARKERUNITS_UNKNOWN')
   @DocsEditable()
   static const int SVG_MARKERUNITS_UNKNOWN = 0;
 
   @DomName('SVGMarkerElement.SVG_MARKERUNITS_USERSPACEONUSE')
@@ skipping 71 matching lines @@
 @DocsEditable()
 @DomName('SVGMaskElement')
 @Unstable()
 class MaskElement extends SvgElement implements ExternalResourcesRequired, Tests {
   // To suppress missing implicit constructor warnings.
   factory MaskElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGMaskElement.SVGMaskElement')
   @DocsEditable()
   factory MaskElement() => _SvgElementFactoryProvider.createSvgElement_tag("mask");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  MaskElement.created() : super.created();
 
   @DomName('SVGMaskElement.height')
   @DocsEditable()
   AnimatedLength get height native "SVGMaskElement_height_Getter";
 
   @DomName('SVGMaskElement.maskContentUnits')
   @DocsEditable()
   AnimatedEnumeration get maskContentUnits native "SVGMaskElement_maskContentUnits_Getter";
 
   @DomName('SVGMaskElement.maskUnits')
@@ skipping 144 matching lines @@
 
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  MetadataElement.created() : super.created();
 
 }
 // 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()
@@ skipping 111 matching lines @@
 @DocsEditable()
 @DomName('SVGPathElement')
 @Unstable()
 class PathElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory PathElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPathElement.SVGPathElement')
   @DocsEditable()
   factory PathElement() => _SvgElementFactoryProvider.createSvgElement_tag("path");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  PathElement.created() : super.created();
 
   @DomName('SVGPathElement.animatedNormalizedPathSegList')
   @DocsEditable()
   PathSegList get animatedNormalizedPathSegList native "SVGPathElement_animatedNormalizedPathSegList_Getter";
 
   @DomName('SVGPathElement.animatedPathSegList')
   @DocsEditable()
   PathSegList get animatedPathSegList native "SVGPathElement_animatedPathSegList_Getter";
 
   @DomName('SVGPathElement.normalizedPathSegList')
@@ skipping 1052 matching lines @@
 @DocsEditable()
 @DomName('SVGPatternElement')
 @Unstable()
 class PatternElement extends SvgElement implements FitToViewBox, UriReference, ExternalResourcesRequired, Tests {
   // To suppress missing implicit constructor warnings.
   factory PatternElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPatternElement.SVGPatternElement')
   @DocsEditable()
   factory PatternElement() => _SvgElementFactoryProvider.createSvgElement_tag("pattern");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  PatternElement.created() : super.created();
 
   @DomName('SVGPatternElement.height')
   @DocsEditable()
   AnimatedLength get height native "SVGPatternElement_height_Getter";
 
   @DomName('SVGPatternElement.patternContentUnits')
   @DocsEditable()
   AnimatedEnumeration get patternContentUnits native "SVGPatternElement_patternContentUnits_Getter";
 
   @DomName('SVGPatternElement.patternTransform')
@@ skipping 137 matching lines @@
 @DocsEditable()
 @DomName('SVGPolygonElement')
 @Unstable()
 class PolygonElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory PolygonElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPolygonElement.SVGPolygonElement')
   @DocsEditable()
   factory PolygonElement() => _SvgElementFactoryProvider.createSvgElement_tag("polygon");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  PolygonElement.created() : super.created();
 
   @DomName('SVGPolygonElement.animatedPoints')
   @DocsEditable()
   PointList get animatedPoints native "SVGPolygonElement_animatedPoints_Getter";
 
   @DomName('SVGPolygonElement.points')
   @DocsEditable()
   PointList get points native "SVGPolygonElement_points_Getter";
 
   @DomName('SVGPolygonElement.externalResourcesRequired')
@@ skipping 11 matching lines @@
 @DocsEditable()
 @DomName('SVGPolylineElement')
 @Unstable()
 class PolylineElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory PolylineElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGPolylineElement.SVGPolylineElement')
   @DocsEditable()
   factory PolylineElement() => _SvgElementFactoryProvider.createSvgElement_tag("polyline");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  PolylineElement.created() : super.created();
 
   @DomName('SVGPolylineElement.animatedPoints')
   @DocsEditable()
   PointList get animatedPoints native "SVGPolylineElement_animatedPoints_Getter";
 
   @DomName('SVGPolylineElement.points')
   @DocsEditable()
   PointList get points native "SVGPolylineElement_points_Getter";
 
   @DomName('SVGPolylineElement.externalResourcesRequired')
@@ skipping 96 matching lines @@
 @DocsEditable()
 @DomName('SVGRadialGradientElement')
 @Unstable()
 class RadialGradientElement extends _GradientElement {
   // To suppress missing implicit constructor warnings.
   factory RadialGradientElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGRadialGradientElement.SVGRadialGradientElement')
   @DocsEditable()
   factory RadialGradientElement() => _SvgElementFactoryProvider.createSvgElement_tag("radialGradient");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  RadialGradientElement.created() : super.created();
 
   @DomName('SVGRadialGradientElement.cx')
   @DocsEditable()
   AnimatedLength get cx native "SVGRadialGradientElement_cx_Getter";
 
   @DomName('SVGRadialGradientElement.cy')
   @DocsEditable()
   AnimatedLength get cy native "SVGRadialGradientElement_cy_Getter";
 
   @DomName('SVGRadialGradientElement.fr')
@@ skipping 68 matching lines @@
 @DocsEditable()
 @DomName('SVGRectElement')
 @Unstable()
 class RectElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory RectElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGRectElement.SVGRectElement')
   @DocsEditable()
   factory RectElement() => _SvgElementFactoryProvider.createSvgElement_tag("rect");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  RectElement.created() : super.created();
 
   @DomName('SVGRectElement.height')
   @DocsEditable()
   AnimatedLength get height native "SVGRectElement_height_Getter";
 
   @DomName('SVGRectElement.rx')
   @DocsEditable()
   AnimatedLength get rx native "SVGRectElement_rx_Getter";
 
   @DomName('SVGRectElement.ry')
@@ skipping 64 matching lines @@
 @DocsEditable()
 @DomName('SVGScriptElement')
 @Unstable()
 class ScriptElement extends SvgElement implements UriReference, ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory ScriptElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGScriptElement.SVGScriptElement')
   @DocsEditable()
   factory ScriptElement() => _SvgElementFactoryProvider.createSvgElement_tag("script");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  ScriptElement.created() : super.created();
 
   @DomName('SVGScriptElement.type')
   @DocsEditable()
   String get type native "SVGScriptElement_type_Getter";
 
   @DomName('SVGScriptElement.type')
   @DocsEditable()
   void set type(String value) native "SVGScriptElement_type_Setter";
 
   @DomName('SVGScriptElement.externalResourcesRequired')
@@ skipping 18 matching lines @@
 @SupportedBrowser(SupportedBrowser.FIREFOX)
 @SupportedBrowser(SupportedBrowser.SAFARI)
 @Unstable()
 class SetElement extends AnimationElement {
   // To suppress missing implicit constructor warnings.
   factory SetElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGSetElement.SVGSetElement')
   @DocsEditable()
   factory SetElement() => _SvgElementFactoryProvider.createSvgElement_tag("set");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  SetElement.created() : super.created();
 
   /// 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 SvgElement {
   // To suppress missing implicit constructor warnings.
   factory StopElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGStopElement.SVGStopElement')
   @DocsEditable()
   factory StopElement() => _SvgElementFactoryProvider.createSvgElement_tag("stop");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  StopElement.created() : super.created();
 
   @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.
 
@@ skipping 95 matching lines @@
 @DomName('SVGStyleElement')
 // http://www.w3.org/TR/SVG/types.html#InterfaceSVGStylable
 @Experimental() // nonstandard
 class StyleElement extends SvgElement {
   // To suppress missing implicit constructor warnings.
   factory StyleElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGStyleElement.SVGStyleElement')
   @DocsEditable()
   factory StyleElement() => _SvgElementFactoryProvider.createSvgElement_tag("style");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  StyleElement.created() : super.created();
 
   @DomName('SVGStyleElement.disabled')
   @DocsEditable()
   bool get disabled native "SVGStyleElement_disabled_Getter";
 
   @DomName('SVGStyleElement.disabled')
   @DocsEditable()
   void set disabled(bool value) native "SVGStyleElement_disabled_Setter";
 
   @DomName('SVGStyleElement.media')
@@ skipping 190 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  SvgElement.created() : super.created();
 
   @DomName('SVGElement.className')
   @DocsEditable()
   @Experimental() // untriaged
   AnimatedString get _svgClassName native "SVGElement_className_Getter";
 
   @DomName('SVGElement.ownerSVGElement')
   @DocsEditable()
   SvgSvgElement get ownerSvgElement native "SVGElement_ownerSVGElement_Getter";
 
@@ skipping 45 matching lines @@
 class SvgSvgElement extends GraphicsElement implements FitToViewBox, ExternalResourcesRequired, ZoomAndPan {
   factory SvgSvgElement() {
     final el = new SvgElement.tag("svg");
     // The SVG spec requires the version attribute to match the spec version
     el.attributes['version'] = "1.1";
     return el;
   }
 
   // To suppress missing implicit constructor warnings.
   factory SvgSvgElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  SvgSvgElement.created() : super.created();
 
   @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 183 matching lines @@
 @DocsEditable()
 @DomName('SVGSwitchElement')
 @Unstable()
 class SwitchElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory SwitchElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGSwitchElement.SVGSwitchElement')
   @DocsEditable()
   factory SwitchElement() => _SvgElementFactoryProvider.createSvgElement_tag("switch");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  SwitchElement.created() : super.created();
 
   @DomName('SVGSwitchElement.externalResourcesRequired')
   @DocsEditable()
   AnimatedBoolean get externalResourcesRequired native "SVGSwitchElement_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('SVGSymbolElement')
 @Unstable()
 class SymbolElement extends SvgElement implements FitToViewBox, ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory SymbolElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGSymbolElement.SVGSymbolElement')
   @DocsEditable()
   factory SymbolElement() => _SvgElementFactoryProvider.createSvgElement_tag("symbol");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  SymbolElement.created() : super.created();
 
   @DomName('SVGSymbolElement.externalResourcesRequired')
   @DocsEditable()
   AnimatedBoolean get externalResourcesRequired native "SVGSymbolElement_externalResourcesRequired_Getter";
 
   @DomName('SVGSymbolElement.preserveAspectRatio')
   @DocsEditable()
   AnimatedPreserveAspectRatio get preserveAspectRatio native "SVGSymbolElement_preserveAspectRatio_Getter";
 
   @DomName('SVGSymbolElement.viewBox')
@@ skipping 11 matching lines @@
 @DocsEditable()
 @DomName('SVGTSpanElement')
 @Unstable()
 class TSpanElement extends TextPositioningElement {
   // To suppress missing implicit constructor warnings.
   factory TSpanElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTSpanElement.SVGTSpanElement')
   @DocsEditable()
   factory TSpanElement() => _SvgElementFactoryProvider.createSvgElement_tag("tspan");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  TSpanElement.created() : super.created();
 
 }
 // 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()
@@ skipping 24 matching lines @@
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable()
 @DomName('SVGTextContentElement')
 @Unstable()
 class TextContentElement extends GraphicsElement implements ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory TextContentElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  TextContentElement.created() : super.created();
 
   @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 59 matching lines @@
 @DocsEditable()
 @DomName('SVGTextElement')
 @Unstable()
 class TextElement extends TextPositioningElement {
   // To suppress missing implicit constructor warnings.
   factory TextElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTextElement.SVGTextElement')
   @DocsEditable()
   factory TextElement() => _SvgElementFactoryProvider.createSvgElement_tag("text");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  TextElement.created() : super.created();
 
 }
 // 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('SVGTextPathElement')
 @Unstable()
 class TextPathElement extends TextContentElement implements UriReference {
   // To suppress missing implicit constructor warnings.
   factory TextPathElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  TextPathElement.created() : super.created();
 
   @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 35 matching lines @@
 
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  TextPositioningElement.created() : super.created();
 
   @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 19 matching lines @@
 @DocsEditable()
 @DomName('SVGTitleElement')
 @Unstable()
 class TitleElement extends SvgElement {
   // To suppress missing implicit constructor warnings.
   factory TitleElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTitleElement.SVGTitleElement')
   @DocsEditable()
   factory TitleElement() => _SvgElementFactoryProvider.createSvgElement_tag("title");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  TitleElement.created() : super.created();
 
 }
 // 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()
@@ skipping 217 matching lines @@
 @DocsEditable()
 @DomName('SVGUseElement')
 @Unstable()
 class UseElement extends GraphicsElement implements UriReference, ExternalResourcesRequired, Tests {
   // To suppress missing implicit constructor warnings.
   factory UseElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGUseElement.SVGUseElement')
   @DocsEditable()
   factory UseElement() => _SvgElementFactoryProvider.createSvgElement_tag("use");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  UseElement.created() : super.created();
 
   @DomName('SVGUseElement.animatedInstanceRoot')
   @DocsEditable()
   ElementInstance get animatedInstanceRoot native "SVGUseElement_animatedInstanceRoot_Getter";
 
   @DomName('SVGUseElement.height')
   @DocsEditable()
   AnimatedLength get height native "SVGUseElement_height_Getter";
 
   @DomName('SVGUseElement.instanceRoot')
@@ skipping 47 matching lines @@
 @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"); }
 
   @DomName('SVGViewElement.SVGViewElement')
   @DocsEditable()
   factory ViewElement() => _SvgElementFactoryProvider.createSvgElement_tag("view");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  ViewElement.created() : super.created();
 
   @DomName('SVGViewElement.viewTarget')
   @DocsEditable()
   StringList get viewTarget native "SVGViewElement_viewTarget_Getter";
 
   @DomName('SVGViewElement.externalResourcesRequired')
   @DocsEditable()
   AnimatedBoolean get externalResourcesRequired native "SVGViewElement_externalResourcesRequired_Getter";
 
   @DomName('SVGViewElement.preserveAspectRatio')
@@ skipping 210 matching lines @@
 
 // WARNING: Do not edit - generated code.
 
 
 @DocsEditable()
 @DomName('SVGGradientElement')
 @Unstable()
 class _GradientElement extends SvgElement implements UriReference, ExternalResourcesRequired {
   // To suppress missing implicit constructor warnings.
   factory _GradientElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _GradientElement.created() : super.created();
 
   @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 31 matching lines @@
 
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGAltGlyphDefElement.created() : super.created();
 
 }
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGAltGlyphItemElement.created() : super.created();
 
 }
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGAnimateColorElement.created() : super.created();
 
 }
 // 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 {
   _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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGComponentTransferFunctionElement.created() : super.created();
 
 }
 // 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, ExternalResourcesRequired, Tests {
   // To suppress missing implicit constructor warnings.
   factory _SVGCursorElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGCursorElement.SVGCursorElement')
   @DocsEditable()
   factory _SVGCursorElement() => _SvgElementFactoryProvider.createSvgElement_tag("cursor");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGCursorElement.created() : super.created();
 
   /// 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 SvgElement implements FilterPrimitiveStandardAttributes {
   // To suppress missing implicit constructor warnings.
   factory _SVGFEDropShadowElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGFEDropShadowElement.created() : super.created();
 
 }
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGFontElement.created() : super.created();
 
 }
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGFontFaceElement.created() : super.created();
 
 }
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGFontFaceFormatElement.created() : super.created();
 
 }
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGFontFaceNameElement.created() : super.created();
 
 }
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGFontFaceSrcElement.created() : super.created();
 
 }
 // 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"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGFontFaceUriElement.created() : super.created();
 
 }
 // 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"); }
 
   @DomName('SVGGlyphElement.SVGGlyphElement')
   @DocsEditable()
   factory _SVGGlyphElement() => _SvgElementFactoryProvider.createSvgElement_tag("glyph");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGGlyphElement.created() : super.created();
 
 }
 // 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 SvgElement implements UriReference {
   // To suppress missing implicit constructor warnings.
   factory _SVGGlyphRefElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGGlyphRefElement.created() : super.created();
 
 }
 // 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"); }
 
   @DomName('SVGHKernElement.SVGHKernElement')
   @DocsEditable()
   factory _SVGHKernElement() => _SvgElementFactoryProvider.createSvgElement_tag("hkern");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGHKernElement.created() : super.created();
 
 }
 // 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"); }
 
   @DomName('SVGMPathElement.SVGMPathElement')
   @DocsEditable()
   factory _SVGMPathElement() => _SvgElementFactoryProvider.createSvgElement_tag("mpath");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGMPathElement.created() : super.created();
 
 }
 // 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 SvgElement {
   // To suppress missing implicit constructor warnings.
   factory _SVGMissingGlyphElement._() { throw new UnsupportedError("Not supported"); }
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGMissingGlyphElement.created() : super.created();
 
 }
 // 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()
@@ skipping 14 matching lines @@
 @DocsEditable()
 @DomName('SVGTRefElement')
 @Unstable()
 abstract class _SVGTRefElement extends TextPositioningElement implements UriReference {
   // To suppress missing implicit constructor warnings.
   factory _SVGTRefElement._() { throw new UnsupportedError("Not supported"); }
 
   @DomName('SVGTRefElement.SVGTRefElement')
   @DocsEditable()
   factory _SVGTRefElement() => _SvgElementFactoryProvider.createSvgElement_tag("tref");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGTRefElement.created() : super.created();
 
 }
 // 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"); }
 
   @DomName('SVGVKernElement.SVGVKernElement')
   @DocsEditable()
   factory _SVGVKernElement() => _SvgElementFactoryProvider.createSvgElement_tag("vkern");
+  /**
+   * Constructor instantiated by the DOM when a custom element has been created.
+   *
+   * This can only be called by subclasses from their created constructor.
+   */
+  _SVGVKernElement.created() : super.created();
 
 }