anchor.diff:        : super(spark, "git-clone", "Git Clone…", dialog);
   
     void _invoke([Object context]) {
  -    isPolymer ? _dialog.element.toggle() : _dialog.show();
  +    isPolymer ? (_dialog.element as dynamic).toggle() : _dialog.show();
     }
   
     void _commit() {
  
positive.code:     if (folders != null && folders.isNotEmpty) {
        folder = folders.first;
        _nameElement.value = '';
        isPolymer ? _dialog.element.toggle() : _dialog.show();
      }
    }
  
  
negative.code: import 'package:chrome_gen/chrome_app.dart' as chrome;
  import 'package:chrome_gen/src/files.dart' as chrome_files;
  import 'package:logging/logging.dart';
  
  import 'lib/ace.dart';
  import 'lib/actions.dart';
  