anchor.diff:          OnDestroy,
           OnInit,
           DoCheck;
  +// TODO(leonsenft): export when support for generics is complete.
  +// export 'metadata/typed.dart';
   export 'metadata/view.dart';
   export 'metadata/visibility.dart';
   
  
positive.code:   final List<String> styleUrls;
    final List<String> styles;
    final List<Object> directives;
    final List<Object> pipes;
    final ViewEncapsulation encapsulation;
  
  
negative.code:     this.styleUrls,
      this.styles,
      this.directives,
      this.directiveTypes,
      this.pipes,
      this.encapsulation,
    }) : super(
  