public function augmentUrlByBackParam(array $url): array
    {
        $backAction = $this->request->getRequestTarget();
        if ($this->request->is('ajax')) {
            $backAction = $this->request->referer(true);
        }
        $backAction = preg_replace('/back_action=.*?(&|$)/', '', $backAction);

        $url['?']['back_action'] = preg_replace('/\\?$/', '', $backAction);

        return $url;
    }