docs: public void notifyParentRangeRemoved(int parentPositionStart, int itemCount) {
          int sizeChanged = 0;
          int flatParentPositionStart = getFlatParentPosition(parentPositionStart);
          for (int i = 0; i < itemCount; i++) {
              sizeChanged += removeParentWrapper(flatParentPositionStart);
          }
  
          notifyItemRangeRemoved(flatParentPositionStart, sizeChanged);
      }