/**
* Renders an insert tag.
*
* @param string $insertTag
*
* @return Response
*/
public function renderAction($insertTag)
{
$this->framework->initialize();
/** @var InsertTags $it */
$it = $this->framework->createInstance('Contao\\InsertTags');
// Never cache these responses
return (new Response($it->replace($insertTag, false)))->setPrivate();
}