gistfile1.php

  <?php
  /**
   * {@inheritdoc}
   */
  protected function assertEntityInstanceFieldMarkup($expected_field_attributes) {
    if (func_num_args() === 4) {
      $expected_field_attributes = func_get_arg(3);
      @trigger_error('Calling ' . __METHOD__ . '() with 4 arguments is deprecated in drupal:9.1.0 and will throw an error in drupal:10.0.0. See https://www.drupal.org/project/drupal/issues/3037436', E_USER_DEPRECATED);
    }
    parent::assertEntityInstanceFieldMarkup($this->replaceLayoutBuilderFieldIdKeys($expected_field_attributes));
  }