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function getNodeContent( $id, $lang = '' ) {
  $lang = $lang ?: \Drupal::languageManager()->getCurrentLanguage()->getId();
  $node = \Drupal::entityTypeManager()
                 ->getStorage('node')
                 ->load($id);
  $translated_node = $node->getTranslation($lang);
  return [$node, $translated_node];
}