Fix hints and clean-up obsolete comment syntax (TBR)

pkg/analysis_server/lib/src/protocol/protocol_internal.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.
 
 import 'dart:collection';
 import 'dart:convert' hide JsonDecoder;
 
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart';
@@ skipping 118 matching lines @@
       return false;
     }
   }
   return true;
 }
 
 /**
  * Translate the input [map], applying [keyCallback] to all its keys, and
  * [valueCallback] to all its values.
  */
-Map/*<KR, VR>*/ mapMap/*<KP, VP, KR, VR>*/(Map/*<KP, VP>*/ map,
-    {dynamic/*=KR*/ keyCallback(/*<KP>*/ key),
-    dynamic/*=VR*/ valueCallback(/*<VP>*/ value)}) {
-  Map/*<KR, VR>*/ result = new HashMap/*<KR, VR>*/();
+Map<KR, VR> mapMap<KP, VP, KR, VR>(Map<KP, VP> map,
+    {KR keyCallback(KP key), VR valueCallback(VP value)}) {
+  Map<KR, VR> result = new HashMap<KR, VR>();
   map.forEach((key, value) {
-    Object/*=KR*/ resultKey;
-    Object/*=VR*/ resultValue;
+    KR resultKey;
+    VR resultValue;
     if (keyCallback != null) {
       resultKey = keyCallback(key);
     } else {
-      resultKey = key as Object/*=KR*/;
+      resultKey = key as KR;
     }
     if (valueCallback != null) {
       resultValue = valueCallback(value);
     } else {
-      resultValue = value as Object/*=VR*/;
+      resultValue = value as VR;
     }
     result[resultKey] = resultValue;
   });
   return result;
 }
 
 RefactoringProblemSeverity maxRefactoringProblemSeverity(
     RefactoringProblemSeverity a, RefactoringProblemSeverity b) {
   if (b == null) {
     return a;
@@ skipping 162 matching lines @@
 /**
  * The result data associated with a response.
  */
 abstract class ResponseResult implements HasToJson {
   /**
    * Return a response whose result data is this object for the request with the
    * given [id].
    */
   Response toResponse(String id);
 }