/**
* Overrides Drupal\views\Plugin\views\display\DisplayPluginBase::optionsSummary().
*/
public function optionsSummary(&$categories, &$options)
{
parent::optionsSummary($categories, $options);
$categories['display_extender_test'] = array('title' => t('Display extender test settings'), 'column' => 'second', 'build' => array('#weight' => -100));
$test_option = $this->displayHandler->getOption('test_extender_test_option') ?: t('Empty');
$options['test_extender_test_option'] = array('category' => 'display_extender_test', 'title' => t('Test option'), 'value' => views_ui_truncate($test_option, 24));
}
