do not suggest local functions

pkg/analysis_server/test/mock_sdk.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 testing.mock_sdk;
 
 import 'package:analyzer/file_system/file_system.dart' as resource;
 import 'package:analyzer/file_system/memory_file_system.dart' as resource;
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/sdk.dart';
@@ skipping 82 matching lines @@
   void clear();
 }
 
 abstract class Map<K, V> extends Object {
   Iterable<K> get keys;
 }
 
 external bool identical(Object a, Object b);
 
 void print(Object object) {}
+
+class Uri {
+  static List<int> parseIPv6Address(String host, [int start = 0, int end]) {
+    int parseHex(int start, int end) {
+      return 0;
+    }
+    return null;
+  }
+}
 ''');
 
   static const _MockSdkLibrary LIB_ASYNC = const _MockSdkLibrary('dart:async',
       '/lib/async/async.dart', '''
 library dart.async;
 
 import 'dart:math';
 
 class Future<T> {
   factory Future(computation()) => null;
@@ skipping 200 matching lines @@
   bool get isInternal => shortName.startsWith('dart:_');
 
   @override
   bool get isShared => throw unimplemented;
 
   @override
   bool get isVmLibrary => throw unimplemented;
 
   UnimplementedError get unimplemented => new UnimplementedError();
 }