Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/BiquadFilterNode.dart

 // Copyright (c) 2011, 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.
 
 interface BiquadFilterNode extends AudioNode {
 
   static final int ALLPASS = 7;
 
   static final int BANDPASS = 2;
 
   static final int HIGHPASS = 1;
 
   static final int HIGHSHELF = 4;
 
   static final int LOWPASS = 0;
 
   static final int LOWSHELF = 3;
 
   static final int NOTCH = 6;
 
   static final int PEAKING = 5;
 
-  AudioParam get Q();
+  final AudioParam Q;
 
-  AudioParam get frequency();
+  final AudioParam frequency;
 
-  AudioParam get gain();
+  final AudioParam gain;
 
-  int get type();
-
-  void set type(int value);
+  int type;
 
   void getFrequencyResponse(Float32Array frequencyHz, Float32Array magResponse, Float32Array phaseResponse);
 }