code: public void clearDeletedList() {
  
          CmsSitemapClipboardData clipboardData = getData().getClipboardData().copy();
          clipboardData.getDeletions().clear();
          CmsSitemapChange change = new CmsSitemapChange(null, null, ChangeType.clipboardOnly);
          change.setClipBoardData(clipboardData);
          commitChange(change, null);
      }
docs: Clears the deleted clip-board list and commits the change.<p>