anchor.diff:      try {
         assert(root._parent == null);
         assert(root.owner == this);
  -      root._reassemble();
  +      root.reassemble();
       } finally {
         Timeline.finishSync();
       }
  
positive.code:   State<StatefulWidget> _state;
  
    @override
    void _reassemble() {
      state.reassemble();
      super._reassemble();
    }
  
    @override
  
negative.code: 
    bool _active = false;
  
    /// {@template flutter.widgets.reassemble}
    /// Called whenever the application is reassembled during debugging, for
    /// example during hot reload.
    ///
    /// This method should rerun any initialization logic that depends on global
    /// state, for example, image loading from asset bundles (since the asset
    /// bundle may have changed).
    ///
    /// This function will only be called during development. In release builds,
    /// the `ext.flutter.reassemble` hook is not available, and so this code will
    /// never execute.
    /// {@endtemplate}
    ///
    /// See also:
    ///
    ///  * [State.reassemble]
    ///  * [BindingBase.reassembleApplication]
    ///  * [Image], which uses this to reload images.
    @mustCallSuper
    @protected
    void reassemble() {
      markNeedsBuild();
      visitChildren((Element child) {
        child.reassemble();
      });
    }
  
  