update_test_filetransfer_info in drupal-7.x/modules/update/tests/update_test.module

Implements hook_filetransfer_info().

class UpdateTestFileTransfer {

  /**
   * Returns an UpdateTestFileTransfer object.
   *
   * @return
   *   A new UpdateTestFileTransfer object.
   */
  public static function factory() {
    return new UpdateTestFileTransfer;
  }

  /**
   * Returns a settings form with a text field to input a username.
   */
  public function getSettingsForm() {
    $form = array();
    $form['udpate_test_username'] = array(
      '#type' => 'textfield',
      '#title' => t('Update Test Username'),
    );
    return $form;
  }
}