快递费率提供者-DeliveryRateProvider union

费率定义或参与者提供的费率。

可能的类型

• [DeliveryParticipant](https://shopify.dev/docs/admin-api/graphql/reference/shipping-and-fulfillment/deliveryparticipant)
• [DeliveryRateDefinition](https://shopify.dev/docs/admin-api/graphql/reference/shipping-and-fulfillment/deliveryratedefinition)