ConfigInterface.php

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

/**
 * Interface for payment methods config
 *
 * @deprecated 100.3.0 This interface has no semantic meaning and all it implementations has no joint points.
 */
interface ConfigInterface extends \Magento\Payment\Gateway\ConfigInterface
{
}