- /**
- * Credit memo add comment interface.
- *
- * After a customer places and pays for an order and an invoice has been issued, the merchant can create a credit memo
- * to refund all or part of the amount paid for any returned or undelivered items. The memo restores funds to the
- * customer account so that the customer can make future purchases.
- * @api
- */
- interface CreditmemoManagementInterface