code: public void delete(NodeData data) throws RepositoryException, UnsupportedOperationException,
        InvalidItemStateException, IllegalStateException
     {
        Statistics s = ALL_STATISTICS.get(DELETE_NODE_DATA_DESCR);
        try
        {
           s.begin();
           wcs.delete(data);
        }
        finally
        {
           s.end();
        }
     }
docs: {@inheritDoc}