anchor.diff:      _mainCtx.onLifecycle(LifecycleCreator.initState());
     }
   
  +  @mustCallSuper
     @override
     void didChangeDependencies() {
       super.didChangeDependencies();
       _mainCtx.onLifecycle(LifecycleCreator.didChangeDependencies());
     }
   
  +  @mustCallSuper
     @override
     void deactivate() {
       super.deactivate();
       _mainCtx.onLifecycle(LifecycleCreator.deactivate());
     }
   
  +  @mustCallSuper
     @override
     void didUpdateWidget(ComponentWidget<T> oldWidget) {
       super.didUpdateWidget(oldWidget);
  
positive.code:   ContextSys<T> _mainCtx;
    ViewUpdater<T> _viewUpdater;
  
    @override
    Widget build(BuildContext context) => _viewUpdater.buildView();
  
    @override
    @protected
  
negative.code:     _mainCtx.onLifecycle(LifecycleCreator.reassemble());
    }
  
    @mustCallSuper
    @override
    void initState() {
      super.initState();
  