public  function page(Request $request) {
    $entity_type = 'telega_bot';
    $storage = \Drupal::entityTypeManager()->getStorage($entity_type);
    if (FALSE) {
      $entity = $storage->load(2);
      $types = \Drupal::service('plugin.manager.telega_bot')->optionsList();
      $bot = \Drupal::service('telega_bot')->init($entity);
      dsm($bot);
    }
    $pre = "o.O";
    return [
      'text' => ['#markup' => "<pre>$pre</pre>"],
    ];
  }