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<?php
/**
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Customer\Api;
/**
* Interface for managing customer groups.
* @api
* @since 100.0.2
*/
interface GroupManagementInterface
{
/**
* Check if customer group can be deleted.
*
* @param int $id
* @return bool
* @throws \Magento\Framework\Exception\NoSuchEntityException If group is not found
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function isReadonly($id);
/**
* Get default customer group.
*
* @param int $storeId
* @return \Magento\Customer\Api\Data\GroupInterface
* @throws \Magento\Framework\Exception\NoSuchEntityException
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function getDefaultGroup($storeId = null);
/**
* Get customer group representing customers not logged in.
*
* @return \Magento\Customer\Api\Data\GroupInterface
* @throws \Magento\Framework\Exception\NoSuchEntityException
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function getNotLoggedInGroup();
/**
* Get all customer groups except group representing customers not logged in.
*
* @return \Magento\Customer\Api\Data\GroupInterface[]
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function getLoggedInGroups();
/**
* Get customer group representing all customers.
*
* @return \Magento\Customer\Api\Data\GroupInterface
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function getAllCustomersGroup();
}