*<Null safety>*
void updateRenderObject (dynamic context, dynamic renderObject)
@override void updateRenderObject(BuildContext context, RenderObject renderObject) { assert(renderObject is ChildViewRenderBox || renderObject is ChildViewRenderBox2); if (renderObject is ChildViewRenderBox) { renderObject ..connection = connection ..hitTestable = hitTestable ..focusable = focusable; } else if (renderObject is ChildViewRenderBox2) { renderObject ..connection = connection ..hitTestable = hitTestable ..focusable = focusable; } }