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: }
  
  class FlutterSimpleTemplate extends Template {
    FlutterSimpleTemplate() : super('flutter-simple', 'A minimal Flutter project.') {
      files['.analysis_options'] = _analysis_options;
      files['.gitignore'] = _gitignore;
      files['flutter.yaml'] = _flutterYaml;
  
negative.code: void main() {
    runApp(
      new MaterialApp(
        title: 'Flutter Demo',
        routes: <String, RouteBuilder>{
          '/': (RouteArguments args) => new FlutterDemo()
        }
  