Status.php

1. 8.x drupal/core/modules/node/lib/Drupal/node/Plugin/views/filter/Status.php
2. 8.x drupal/core/modules/file/lib/Drupal/file/Plugin/views/field/Status.php
3. 8.x drupal/core/modules/file/lib/Drupal/file/Plugin/views/filter/Status.php

<?php

/**
 * @file
 * Definition of Drupal\file\Plugin\views\filter\Status.
 */
namespace Drupal\file\Plugin\views\filter;

use Drupal\Component\Annotation\PluginID;
use Drupal\views\Plugin\views\filter\InOperator;

/**
 * Filter by file status.
 *
 * @ingroup views_filter_handlers
 *
 * @PluginID("file_status")
 */
class Status extends InOperator {
  public function getValueOptions() {
    if (!isset($this->value_options)) {
      $this->value_options = _views_file_status();
    }
  }

}