DateTimeRangeConstantsInterface.php

<?php

namespace Drupal\datetime_range;


/**
 * Declares constants used in the datetime range module.
 *
 * @todo Convert this to an enum in 11.0.
 * @see https://www.drupal.org/project/drupal/issues/3425141.
 */
interface DateTimeRangeConstantsInterface {
    
    /**
     * Values for the 'from_to' formatter setting.
     */
    const BOTH = 'both';
    const START_DATE = 'start_date';
    const END_DATE = 'end_date';

}