More strong mode changes to analysis_server

pkg/analyzer/test/generated/engine_test.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.test.generated.engine_test;
 
 import 'dart:async';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 444 matching lines @@
   }
 
   @override
   CompilationUnitElement getCompilationUnitElement(
       Source unitSource, Source librarySource) {
     fail("Unexpected invocation of getCompilationUnitElement");
     return null;
   }
 
   @override
-  Object getConfigurationData(ResultDescriptor key) {
+  Object/*=V*/ getConfigurationData/*<V>*/(ResultDescriptor/*<V>*/ key) {
     fail("Unexpected invocation of getConfigurationData");
     return null;
   }
 
   @override
   TimestampedData<String> getContents(Source source) {
     fail("Unexpected invocation of getContents");
     return null;
   }
 
@@ skipping 212 matching lines @@
   bool validateCacheConsistency() {
     fail("Unexpected invocation of validateCacheConsistency");
     return false;
   }
 
   @override
   void visitContentCache(ContentCacheVisitor visitor) {
     fail("Unexpected invocation of visitContentCache");
   }
 }