koseven/modules/cache/classes/Kohana/Cache/GarbageCollect.php

<?php
/**
 * Garbage Collection interface for caches that have no GC methods
 * of their own, such as [Cache_File] and [Cache_Sqlite]. Memory based
 * cache systems clean their own caches periodically.
 *
 * @package    Kohana/Cache
 * @category   Base
 * @version    2.0
 * @author     Kohana Team
 * @copyright  (c) Kohana Team
 * @license    https://koseven.ga/LICENSE.md
 * @since      3.0.8
 */
interface Kohana_Cache_GarbageCollect {
	/**
	 * Garbage collection method that cleans any expired
	 * cache entries from the cache.
	 *
	 * @return void
	 */
	public function garbage_collect();
}