public function getPartBuilderFactory()
    {
        if ($this->partBuilderFactory === null) {
            $this->partBuilderFactory = new PartBuilderFactory(
                $this->getHeaderFactory()
            );
        }
        return $this->partBuilderFactory;
    }
public function getPartBuilderFactory()
    {
        if ($this->partBuilderFactory === null) {
            $this->partBuilderFactory = new PartBuilderFactory(
                $this->getHeaderFactory()
            );
        }
        return $this->partBuilderFactory;
    }
public function getPartBuilderFactory ( ) { if ( $ this -> partBuilderFactory === null ) { $ this -> partBuilderFactory = new PartBuilderFactory ( $ this -> getHeaderFactory ( ) ) ; } return $ this -> partBuilderFactory ; }
Returns a PartBuilderFactory instance.

@return PartBuilderFactory
Returns a PartBuilderFactory instance .