anchor.diff:  
     Spark(this.developerMode) {
       document.title = appName;
  -
  -    _localPrefs = preferences.localStore;
  -    _syncPrefs = preferences.syncStore;
   
       initAnalytics();
   
  
positive.code:   void initPubManager() {
      _pubManager = new PubManager(this);
    }
    
    void createEditorComponents() {
      _aceManager = new AceManager(new DivElement(), this);
      _aceThemeManager = new ThemeManager(
  
negative.code: 
    final EventBus eventBus = new EventBus();
  
    ActionManager _actionManager;
  
    SplitView _splitView;
  