code: public List<PropertyData> listChildPropertiesData(NodeData parent) throws RepositoryException, IllegalStateException
     {
        Statistics s = ALL_STATISTICS.get(LIST_CHILD_PROPERTIES_DATA_DESCR);
        try
        {
           s.begin();
           return wcs.listChildPropertiesData(parent);
        }
        finally
        {
           s.end();
        }
     }
docs: {@inheritDoc}