Sahana N
--- a/core/modules/node/src/Form/NodePreviewForm.php
+++ b/core/modules/node/src/Form/NodePreviewForm.php
   *   The entity display repository.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The configuration factory.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager.   *.
   */
-  public function __construct(EntityDisplayRepositoryInterface $entity_display_repository, ConfigFactoryInterface $config_factory) {
+  public function __construct(EntityDisplayRepositoryInterface $entity_display_repository, ConfigFactoryInterface $config_factory, LanguageManagerInterface $language_manager) {
    $this->entityDisplayRepository = $entity_display_repository;
    $this->configFactory = $config_factory;
+    $this->languageManager = $language_manager;