anchor.diff:  name: {{projectName}}
   material-design-icons:
     - name: content/add
  +  - name: navigation/arrow_back
  +  - name: navigation/menu
  +  - name: navigation/more_vert
   ''';
   
   const String _libMain = r'''
  
positive.code: void main() {
    runApp(
      new MaterialApp(
        title: "Flutter Demo",
        routes: <String, RouteBuilder>{
          '/': (RouteArguments args) => new FlutterDemo()
        }
  
negative.code: }
  
  class FlutterDemo extends StatefulComponent {
    State createState() => new _FlutterDemoState();
  }
  
  class _FlutterDemoState extends State<FlutterDemo> {
    int _counter = 0;
  
    void _incrementCounter() {
      setState(() {
        _counter++;
      });
    }
  
    Widget build(BuildContext context) {
      return new Scaffold(
        toolBar: new ToolBar(
          center: new Text('Flutter Demo')
        ),
        body: new Material(
          child: new Center(
            child: new Text('Button tapped $_counter times.')
          )
        ),
        floatingActionButton: new FloatingActionButton(
          child: new Icon(
            icon: 'content/add'
          ),
          onPressed: _incrementCounter
        )
      );
    }
  