public function addChildren(LocationInterface $location)
    {
        if (!$this->children->contains($location)) {
            $this
                ->children
                ->add($location);
        }

        return $this;
    }
public function addChildren(LocationInterface $location)
    {
        if (!$this->children->contains($location)) {
            $this
                ->children
                ->add($location);
        }

        return $this;
    }
public function addChildren ( LocationInterface $ location ) { if ( ! $ this -> children -> contains ( $ location ) ) { $ this -> children -> add ( $ location ) ; } return $ this ; }
Get the children.

@param LocationInterface $location Location

@return $this Self object
Get the children .