<?php /** * Copyright © Magento, Inc. All rights reserved. * See COPYING.txt for license details. */ namespace Magento\Framework\Event\Test\Unit\Invoker; use Magento\Framework\Event\Observer; use Magento\Framework\Event\ObserverInterface; class ObserverExample implements ObserverInterface { /** * @SuppressWarnings(PHPMD.UnusedFormalParameter) * @param Observer $observer */ public function execute(Observer $observer) { //do nothing } }