More strong mode changes to analysis_server

pkg/analyzer/lib/src/generated/engine.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 analyzer.src.generated.engine;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
@@ skipping 328 matching lines @@
    */
   CompilationUnitElement getCompilationUnitElement(
       Source unitSource, Source librarySource);
 
   /**
    * Return configuration data associated with the given key or the [key]'s
    * default value if no state has been associated.
    *
    * See [setConfigurationData].
    */
-  Object getConfigurationData(ResultDescriptor key);
+  Object/*=V*/ getConfigurationData/*<V>*/(ResultDescriptor/*<V>*/ key);
 
   /**
    * Return the contents and timestamp of the given [source].
    *
    * This method should be used rather than the method [Source.getContents]
    * because contexts can have local overrides of the content of a source that
    * the source is not aware of.
    */
   TimestampedData<String> getContents(Source source);
 
@@ skipping 2188 matching lines @@
    * The data that was created from the source.
    */
   final E data;
 
   /**
    * Initialize a newly created holder to associate the given [data] with the
    * given [modificationTime].
    */
   TimestampedData(this.modificationTime, this.data);
 }