Mark types of Constructor parameters and preserve referenced typedefs.

pkg/front_end/test/src/incremental/mock_sdk.dart

 // Copyright (c) 2017, 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 'package:front_end/memory_file_system.dart';
 import 'package:front_end/src/base/libraries_specification.dart';
 
 final _ASYNC = r'''
 library dart.async;
 
@@ skipping 179 matching lines @@
 
   Iterable<E> where(bool test(E element));
 
   void forEach(void f(E element));
 
   List<E> toList();
 }
 
 class List<E> implements Iterable<E> {
   List();
+  factory List.from(Iterable elements, {bool growable: true}) => null;
   void add(E value) {}
   void addAll(Iterable<E> iterable) {}
   E operator [](int index) => null;
   void operator []=(int index, E value) {}
   Iterator<E> get iterator => null;
   void clear() {}
 
   bool get isEmpty => false;
   E get first => null;
   E get last => null;
 
   R fold<R>(R initialValue, R combine(R previousValue, E element)) => null;
 }
 
 class Map<K, V> extends Object {
   V operator [](K key) => null;
   void operator []=(K key, V value) {}
   Iterable<K> get keys => null;
   int get length;
   Iterable<V> get values;
 }
 
 class Duration implements Comparable<Duration> {}
 
 external bool identical(Object a, Object b);
 
 void print(Object o) {}
 
 abstract class _SyncIterable implements Iterable {}
+class _InvocationMirror {}
 ''';
 
 /// Create SDK libraries which are used by Fasta to perform kernel generation.
 /// The root of the SDK is `file:///sdk`, it will contain a libraries
 /// specification file at `lib/libraries.json`.
 ///
 /// Returns the [TargetLibrariesSpecification] whose contents are in
 /// libraries.json.
 TargetLibrariesSpecification createSdkFiles(MemoryFileSystem fileSystem) {
   Map<String, LibraryInfo> dartLibraries = {};
@@ skipping 32 matching lines @@
 }
 ''');
 
   var targetSpec = new TargetLibrariesSpecification(null, dartLibraries);
   var spec = new LibrariesSpecification({'none': targetSpec, 'vm': targetSpec});
 
   Uri uri = Uri.parse('file:///sdk/lib/libraries.json');
   fileSystem.entityForUri(uri).writeAsStringSync(spec.toJsonString(uri));
   return targetSpec;
 }