public function setDataSource($listLeft, $listRight = null)
	{
		$this->_listLeftDataSource = $listLeft;
		$this->_listRightDataSource = $listRight;
	}
public function setDataSource($listLeft, $listRight = null)
	{
		$this->_listLeftDataSource = $listLeft;
		$this->_listRightDataSource = $listRight;
	}
public function setDataSource ( $ listLeft , $ listRight = null ) { $ this -> _listLeftDataSource = $ listLeft ; $ this -> _listRightDataSource = $ listRight ; }
Config DataSource to Dual List

@param IteratorInterface $listLeft
@param IteratorInterface $listRight
Config DataSource to Dual List