];
}
$form['terms'][$key]['term'] = [
- '#prefix' => !empty($indentation) ? drupal_render($indentation) : '',
+ '#prefix' => !empty($indentation) ? \Drupal::service('renderer')->render($indentation) : '',
'#type' => 'link',
'#title' => $term->getName(),
'#url' => $term->urlInfo(),