bundle/Layouts/EventListener/IsEnterpriseVersionListener.php
public function onBuildView(CollectViewParametersEvent $event)
    {
        $view = $event->getView();
        if (!$view instanceof LayoutViewInterface && !$view instanceof RuleViewInterface) {
            return;
        }

        if ($view->getContext() !== 'ngadminui') {
            return;
        }

        $event->addParameter('is_enterprise', $this->isEnterpriseVersion);
    }
public function onBuildView(CollectViewParametersEvent $event)
    {
        $view = $event->getView();
        if (!$view instanceof LayoutViewInterface && !$view instanceof RuleViewInterface) {
            return;
        }

        if ($view->getContext() !== 'ngadminui') {
            return;
        }

        $event->addParameter('is_enterprise', $this->isEnterpriseVersion);
    }
Injects if Netgen Layouts is the enterprise version or not.