public function andIsPreviousSiblingsOf(AbstractNestedNode $node, $alias = null)
    {
        return $this->andParentIs($node->getParent(), $alias)
                        ->andLeftnodeIsLowerThan($node->getLeftnode(), true, $alias);
    }
public function andIsPreviousSiblingsOf(AbstractNestedNode $node, $alias = null)
    {
        return $this->andParentIs($node->getParent(), $alias)
                        ->andLeftnodeIsLowerThan($node->getLeftnode(), true, $alias);
    }
public function andIsPreviousSiblingsOf ( AbstractNestedNode $ node , $ alias = null ) { return $ this -> andParentIs ( $ node -> getParent ( ) , $ alias ) -> andLeftnodeIsLowerThan ( $ node -> getLeftnode ( ) , true , $ alias ) ; }
Add query part to select previous siblings of node.

@param  \BackBee\NestedNode\AbstractNestedNode                       $node
@param  string                                                $alias optional, the alias to use
@return \BackBee\NestedNode\Repository\NestedNodeQueryBuilder
Add query part to select previous siblings of node .