/**
  * {@inheritdoc}
  */
 public function access(RouteMatchInterface $route_match, AccountInterface $account, $langcode = NULL)
 {
     // For the translation forms we have a target language, so we need some
     // checks in addition to the checks performed for the translation overview.
     $base_access = parent::access($route_match, $account);
     if ($base_access->isAllowed()) {
         $target_language = $this->languageManager->getLanguage($langcode);
         // Make sure that the target language is not locked, and that the target
         // language is not the original submission language. Although technically
         // configuration can be overlaid with translations in the same language,
         // that is logically not a good idea.
         $access = !empty($target_language) && !$target_language->isLocked() && (empty($this->sourceLanguage) || $target_language->getId() != $this->sourceLanguage->getId());
         return $base_access->andIf(AccessResult::allowedIf($access));
     }
     return $base_access;
 }
 /**
  * {@inheritdoc}
  */
 public function access(Route $route, Request $request, AccountInterface $account)
 {
     // For the translation forms we have a target language, so we need some
     // checks in addition to the checks performed for the translation overview.
     $base_access = parent::access($route, $request, $account);
     if ($base_access === static::ALLOW) {
         $target_language = language_load($request->attributes->get('langcode'));
         // Make sure that the target language is not locked, and that the target
         // language is not the original submission language. Although technically
         // configuration can be overlaid with translations in the same language,
         // that is logically not a good idea.
         $access = !empty($target_language) && !$target_language->locked && $target_language->id != $this->sourceLanguage->id;
         return $access ? static::ALLOW : static::DENY;
     }
     return static::DENY;
 }