Work in progres, please take a look and give early feedback if this is the way we want to structure…

samples/todomvc/dart/todomvc_service.dart

 // Copyright (c) 2015, the Fletch 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.md file.
 
 // Generated file. Do not edit.
 
 library todomvc_service;
 
 import "dart:ffi";
 import "dart:service" as service;
 import "package:service/struct.dart";
 
 final Channel _channel = new Channel();
 final Port _port = new Port(_channel);
-final Foreign _postResult = Foreign.lookup("PostResultToService");
+final ForeignFunction _postResult =
+    ForeignLibrary.main.lookup("PostResultToService");
 
 bool _terminated = false;
 TodoMVCService _impl;
 
 abstract class TodoMVCService {
   void createItem(BoxedString title);
   void deleteItem(int id);
   void completeItem(int id);
   void uncompleteItem(int id);
   void clearItems();
@@ skipping 210 matching lines @@
   void operator[]=(int index, int value) { segment.memory.setUint8(offset + index * 1, value); }
 }
 
 class _PatchList extends ListReader implements List<Patch> {
   Patch operator[](int index) => readListElement(new Patch(), index, 32);
 }
 
 class _PatchBuilderList extends ListBuilder implements List<PatchBuilder> {
   PatchBuilder operator[](int index) => readListElement(new PatchBuilder(), index, 32);
 }