Status.php

<?php

namespace Drupal\file\Plugin\views\filter;

use Drupal\file\FileInterface;
use Drupal\views\Plugin\views\filter\InOperator;

/**
 * Filter by file status.
 *
 * @ingroup views_filter_handlers
 *
 * @ViewsFilter("file_status")
 */
class Status extends InOperator {
    public function getValueOptions() {
        if (!isset($this->valueOptions)) {
            $this->valueOptions = [
                0 => $this->t('Temporary'),
                FileInterface::STATUS_PERMANENT => $this->t('Permanent'),
            ];
        }
        return $this->valueOptions;
    }

}