public function offset($offset = null) {
		if ($offset !== null) {
			$this->_config['offset'] = (integer) $offset;
			return $this;
		}
		return $this->_config['offset'];
	}
public function offset($offset = null) {
		if ($offset !== null) {
			$this->_config['offset'] = (integer) $offset;
			return $this;
		}
		return $this->_config['offset'];
	}
public function offset ( $ offset = null ) { if ( $ offset !== null ) { $ this -> _config [ 'offset' ] = ( integer ) $ offset ; return $ this ; } return $ this -> _config [ 'offset' ] ; }
Set and get method for query's offset, i.e. which records to get

@param integer|null $offset
@return integer|\lithium\data\Query
Set and get method for query s offset i . e . which records to get