public function multiget($keys,
        $column_slice=null,
        $column_names=null,
        $consistency_level=null,
        $buffer_size=16)  {

        $cp = $this->create_column_parent();
        $slice = $this->create_slice_predicate($column_names, $column_slice);

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