Carew\Event\Listener\Decorator\Twig::preRender PHP Method

    public function preRender(CarewEvent $event)
    {
        $documents = $event->getSubject();
        foreach ($documents as $document) {
            if (false === $document->getLayout()) {
                continue;
            }
            $this->preRenderDocument($document, $documents);
        }
        $event->setSubject($documents);
    }