public function handleGetTemplateGroup(GetTemplateGroupEvent $event)
    {
        /** @var Controller $controllerAdapter */
        $controllerAdapter = $this->framework->getAdapter(Controller::class);

        $templatesArray = $controllerAdapter->getTemplateGroup($event->getPrefix());
        $templates      = $event->getTemplates();

        foreach ($templatesArray as $templateName => $templateLabel) {
            $templates[$templateName] = $templateLabel;
        }
    }