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

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

Index: client/dom/generated/src/frog/AudioNode.dart
diff --git a/client/dom/generated/src/frog/AudioNode.dart b/client/dom/generated/src/frog/AudioNode.dart
index 55bb203833197f4543d881e5810850918d20ee65..618da614497643f92c800035e0cff4db5a5b7e4a 100644
--- a/client/dom/generated/src/frog/AudioNode.dart
+++ b/client/dom/generated/src/frog/AudioNode.dart
@@ -1,13 +1,13 @@
 
-class AudioNodeJs extends DOMTypeJs implements AudioNode native "*AudioNode" {
+class _AudioNodeJs extends _DOMTypeJs implements AudioNode native "*AudioNode" {
 
-  AudioContextJs get context() native "return this.context;";
+  _AudioContextJs get context() native "return this.context;";
 
   int get numberOfInputs() native "return this.numberOfInputs;";
 
   int get numberOfOutputs() native "return this.numberOfOutputs;";
 
-  void connect(AudioNodeJs destination, int output, int input) native;
+  void connect(_AudioNodeJs destination, int output, int input) native;
 
   void disconnect(int output) native;
 }