anchor.diff:      }
     }
   
  -  void onListItemSelected(suggestion) {
  -    if (isSingleSelect) {
  -      showPopup = false;
  -    }
  -    if (selection.isSelected(suggestion)) {
  -      selection.deselect(suggestion);
  -    } else {
  -      selection.select(suggestion);
  -    }
  -  }
  -
     @override
     ngOnInit() {
       _isInitialized = true;
  
positive.code:     }
    }
  
    @override
    void handleUpKey(html.KeyboardEvent event) {
      if (showPopup) {
  
negative.code: 
  import 'package:angular/angular.dart';
  import 'package:angular_forms/angular_forms.dart';
  import 'package:meta/meta.dart';
  import 'package:angular_components/button_decorator/button_decorator.dart';
  import 'package:angular_components/content/deferred_content.dart';
  import 'package:angular_components/dynamic_component/dynamic_component.dart';
  