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

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

Index: client/dom/generated/src/frog/RealtimeAnalyserNode.dart
diff --git a/client/dom/generated/src/frog/RealtimeAnalyserNode.dart b/client/dom/generated/src/frog/RealtimeAnalyserNode.dart
index 31045e3a3fa60f6853e357cf592eafaa6f77ee57..618a6432f704c084a54645864675a305f990bb2b 100644
--- a/client/dom/generated/src/frog/RealtimeAnalyserNode.dart
+++ b/client/dom/generated/src/frog/RealtimeAnalyserNode.dart
@@ -1,5 +1,5 @@
 
-class RealtimeAnalyserNodeJs extends AudioNodeJs implements RealtimeAnalyserNode native "*RealtimeAnalyserNode" {
+class _RealtimeAnalyserNodeJs extends _AudioNodeJs implements RealtimeAnalyserNode native "*RealtimeAnalyserNode" {
 
   int get fftSize() native "return this.fftSize;";
 
@@ -19,9 +19,9 @@ class RealtimeAnalyserNodeJs extends AudioNodeJs implements RealtimeAnalyserNode
 
   void set smoothingTimeConstant(num value) native "this.smoothingTimeConstant = value;";
 
-  void getByteFrequencyData(Uint8ArrayJs array) native;
+  void getByteFrequencyData(_Uint8ArrayJs array) native;
 
-  void getByteTimeDomainData(Uint8ArrayJs array) native;
+  void getByteTimeDomainData(_Uint8ArrayJs array) native;
 
-  void getFloatFrequencyData(Float32ArrayJs array) native;
+  void getFloatFrequencyData(_Float32ArrayJs array) native;
 }