GetDeliveryOffersResult

delivery offers 的列表，包括优惠到期、最早和最晚日期及时间范围，以及配送优惠政策。

{
    "deliveryOffers": [
        {
            "expiresAt": "2019-08-24T14:15:22Z",
            "dateRange": {
                "earliest": "2019-08-24T14:15:22Z",
                "latest": "2019-08-24T14:15:22Z"
            },
            "policy": {
                "message": {
                    "text": "string",
                    "locale": "string"
                }
            }
        }
    ]
}