Make dart:dom implementation types private so they don't muddle the docs.

client/dom/generated/src/frog/SVGCircleElement.dart

Index: client/dom/generated/src/frog/SVGCircleElement.dart
diff --git a/client/dom/generated/src/frog/SVGCircleElement.dart b/client/dom/generated/src/frog/SVGCircleElement.dart
index d10a3b0734afef5015773960cc88f3577c15c8d0..c51ee2e6a4d17ede91e7f4fbb2406c8658e59bfc 100644
--- a/client/dom/generated/src/frog/SVGCircleElement.dart
+++ b/client/dom/generated/src/frog/SVGCircleElement.dart
@@ -1,19 +1,19 @@
 
-class SVGCircleElementJs extends SVGElementJs implements SVGCircleElement native "*SVGCircleElement" {
+class _SVGCircleElementJs extends _SVGElementJs implements SVGCircleElement native "*SVGCircleElement" {
 
-  SVGAnimatedLengthJs get cx() native "return this.cx;";
+  _SVGAnimatedLengthJs get cx() native "return this.cx;";
 
-  SVGAnimatedLengthJs get cy() native "return this.cy;";
+  _SVGAnimatedLengthJs get cy() native "return this.cy;";
 
-  SVGAnimatedLengthJs get r() native "return this.r;";
+  _SVGAnimatedLengthJs get r() native "return this.r;";
 
   // From SVGTests
 
-  SVGStringListJs get requiredExtensions() native "return this.requiredExtensions;";
+  _SVGStringListJs get requiredExtensions() native "return this.requiredExtensions;";
 
-  SVGStringListJs get requiredFeatures() native "return this.requiredFeatures;";
+  _SVGStringListJs get requiredFeatures() native "return this.requiredFeatures;";
 
-  SVGStringListJs get systemLanguage() native "return this.systemLanguage;";
+  _SVGStringListJs get systemLanguage() native "return this.systemLanguage;";
 
   bool hasExtension(String extension) native;
 
@@ -29,31 +29,31 @@ class SVGCircleElementJs extends SVGElementJs implements SVGCircleElement native
 
   // From SVGExternalResourcesRequired
 
-  SVGAnimatedBooleanJs get externalResourcesRequired() native "return this.externalResourcesRequired;";
+  _SVGAnimatedBooleanJs get externalResourcesRequired() native "return this.externalResourcesRequired;";
 
   // From SVGStylable
 
-  SVGAnimatedStringJs get className() native "return this.className;";
+  _SVGAnimatedStringJs get className() native "return this.className;";
 
-  CSSStyleDeclarationJs get style() native "return this.style;";
+  _CSSStyleDeclarationJs get style() native "return this.style;";
 
-  CSSValueJs getPresentationAttribute(String name) native;
+  _CSSValueJs getPresentationAttribute(String name) native;
 
   // From SVGTransformable
 
-  SVGAnimatedTransformListJs get transform() native "return this.transform;";
+  _SVGAnimatedTransformListJs get transform() native "return this.transform;";
 
   // From SVGLocatable
 
-  SVGElementJs get farthestViewportElement() native "return this.farthestViewportElement;";
+  _SVGElementJs get farthestViewportElement() native "return this.farthestViewportElement;";
 
-  SVGElementJs get nearestViewportElement() native "return this.nearestViewportElement;";
+  _SVGElementJs get nearestViewportElement() native "return this.nearestViewportElement;";
 
-  SVGRectJs getBBox() native;
+  _SVGRectJs getBBox() native;
 
-  SVGMatrixJs getCTM() native;
+  _SVGMatrixJs getCTM() native;
 
-  SVGMatrixJs getScreenCTM() native;
+  _SVGMatrixJs getScreenCTM() native;
 
-  SVGMatrixJs getTransformToElement(SVGElementJs element) native;
+  _SVGMatrixJs getTransformToElement(_SVGElementJs element) native;
 }