protected function getTranslationRoute($referrer, $oldLocale, $locale)
    {
        /** @var $languageSwitcherHelper LanguageSwitcherHelper */
        $languageSwitcherHelper = $this->get('networking_init_cms.page.helper.language_switcher');

        $oldURL = $languageSwitcherHelper->getPathInfo($referrer);

        return $languageSwitcherHelper->getTranslationRoute($oldURL, $oldLocale, $locale);
    }