newsupernova/vendor/magento/module-asynchronous-operations/Api/Data/OperationInterface.php

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

namespace Magento\AsynchronousOperations\Api\Data;

/**
 * Class OperationInterface
 * @api
 * @since 100.2.0
 */
interface OperationInterface extends \Magento\Framework\Bulk\OperationInterface
{
    /**
     * Retrieve existing extension attributes object.
     *
     * @return \Magento\AsynchronousOperations\Api\Data\OperationExtensionInterface|null
     * @since 100.2.0
     */
    public function getExtensionAttributes();

    /**
     * Set an extension attributes object.
     *
     * @param \Magento\AsynchronousOperations\Api\Data\OperationExtensionInterface $extensionAttributes
     * @return $this
     * @since 100.2.0
     */
    public function setExtensionAttributes(
        \Magento\AsynchronousOperations\Api\Data\OperationExtensionInterface $extensionAttributes
    );
}