newsupernova/vendor/dotmailer/dotmailer-magento2-extension/Controller/Adminhtml/Order.php

<?php

namespace Dotdigitalgroup\Email\Controller\Adminhtml;

use Magento\Backend\App\Action;

abstract class Order extends Action
{
    /**
     * Authorization level of a basic admin session
     *
     * @see _isAllowed()
     */
    const ADMIN_RESOURCE = 'Dotdigitalgroup_Email::order';
}