1<?php 2 3/** 4 * Interface that deferrable updates should implement. Basically required so we 5 * can validate input on DeferredUpdates::addUpdate() 6 * 7 * @stable to implement 8 * 9 * @since 1.19 10 */ 11interface DeferrableUpdate { 12 /** 13 * Perform the actual work 14 */ 15 public function doUpdate(); 16} 17