ContextInterface.php

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

/**
 * Marker interface for constructor modification points.
 *
 * All context classes were introduced to allow for backwards compatible constructor modifications
 * of classes that were supposed to be extended by extension developers.
 *
 * Do not call methods of this class directly.
 *
 * As Magento moves from inheritance-based APIs all such classes will be deprecated together with
 * the classes they were introduced for.
 *
 * @api
 * @since 100.0.2
 */
interface ContextInterface
{
}