protected function getRenderer()
    {
        if (null === $this->renderer) {
            $this->setRenderer(new $this->rendererClass());
        }
        return $this->renderer;
    }
protected function getRenderer()
    {
        if (null === $this->renderer) {
            $this->setRenderer(new $this->rendererClass());
        }
        return $this->renderer;
    }
protected function getRenderer ( ) { if ( null === $ this -> renderer ) { $ this -> setRenderer ( new $ this -> rendererClass ( ) ) ; } return $ this -> renderer ; }
Gets the HTML renderer for this element

@return RendererInterface
Gets the HTML renderer for this element