public function indexAction()
    {
        $redirectionUri = $this->backendRedirectionService->getAfterLoginRedirectionUri($this->request);
        if ($redirectionUri === null) {
            $redirectionUri = $this->uriBuilder->uriFor('index', [], 'Login', 'Neos.Neos');
        }
        $this->redirectToUri($redirectionUri);
    }