public function multiget_count($keys,
        $column_slice=null,
        $column_names=null,
        $consistency_level=null) {

        $cp = $this->create_column_parent();
        $slice = $this->create_slice_predicate(
            $column_names, $column_slice, null, ColumnSlice::MAX_COUNT);

        return $this->_multiget_count($keys, $cp, $slice, $consistency_level);
    }