public function getMessageFactory()
    {
        return MessageFactory::getInstance(
            $this->streamFactory,
            $this->partStreamFilterManagerFactory,
            $this->partFilterFactory,
            $this->messageHelperService
        );
    }
public function getMessageFactory()
    {
        return MessageFactory::getInstance(
            $this->streamFactory,
            $this->partStreamFilterManagerFactory,
            $this->partFilterFactory,
            $this->messageHelperService
        );
    }
public function getMessageFactory ( ) { return MessageFactory :: getInstance ( $ this -> streamFactory , $ this -> partStreamFilterManagerFactory , $ this -> partFilterFactory , $ this -> messageHelperService ) ; }
Returns the MessageFactory singleton instance.

@return MessageFactory
Returns the MessageFactory singleton instance .