GroupWidget* createChildScene(Context context, GroupWidget* parentWidget, BoxItem* upperItemOfGroupItem = NULL);
void destroyScene(Context context, GroupScene* scene);
GroupWidget *addNewEmptyGroup(Context context, GroupScene *scene, bool show = true);
GroupWidget* createChildScene(Context context, GroupWidget* parentWidget, BoxItem* upperItemOfGroupItem = NULL);
void destroyScene(Context context, GroupScene* scene);
GroupWidget *addNewEmptyGroup(Context context, GroupScene *scene, bool show = true);