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

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

 
-class RealtimeAnalyserNodeJs extends AudioNodeJs implements RealtimeAnalyserNode native "*RealtimeAnalyserNode" {
+class _RealtimeAnalyserNodeJs extends _AudioNodeJs implements RealtimeAnalyserNode native "*RealtimeAnalyserNode" {
 
   int get fftSize() native "return this.fftSize;";
 
   void set fftSize(int value) native "this.fftSize = value;";
 
   int get frequencyBinCount() native "return this.frequencyBinCount;";
 
   num get maxDecibels() native "return this.maxDecibels;";
 
   void set maxDecibels(num value) native "this.maxDecibels = value;";
 
   num get minDecibels() native "return this.minDecibels;";
 
   void set minDecibels(num value) native "this.minDecibels = value;";
 
   num get smoothingTimeConstant() native "return this.smoothingTimeConstant;";
 
   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;
 }