Make more use of generated classes in analysis server.

pkg/analysis_server/lib/src/protocol2.dart

 // Copyright (c) 2014, 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.
 
 library protocol2;
 
 import 'dart:convert';
 
 import 'protocol.dart';
 
@@ skipping 33 matching lines @@
       return false;
     }
   }
   return true;
 }
 
 /**
  * Translate the input [map], applying [keyCallback] to all its keys, and
  * [valueCallback] to all its values.
  */
-_mapMap(Map map, {dynamic keyCallback(key), dynamic valueCallback(value)}) {
+mapMap(Map map, {dynamic keyCallback(key), dynamic valueCallback(value)}) {
   Map result = {};
   map.forEach((key, value) {
     if (keyCallback != null) {
       key = keyCallback(key);
     }
     if (valueCallback != null) {
       value = valueCallback(value);
     }
     result[key] = value;
   });
@@ skipping 195 matching lines @@
     hash = 0x1fffffff & (hash + ((0x03ffffff & hash) <<  3));
     hash = hash ^ (hash >> 11);
     return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
   }
 
   static int hash2(a, b) => finish(combine(combine(0, a), b));
 
   static int hash4(a, b, c, d) =>
       finish(combine(combine(combine(combine(0, a), b), c), d));
 }