FrontendLabel.php

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

/**
 * @codeCoverageIgnore
 */
class FrontendLabel extends OptionLabel implements
    \Magento\Eav\Api\Data\AttributeFrontendLabelInterface
{
}