$httpBody
$httpBody : string
$httpBody : string
$code : string
$msg : string
$subCode : string
$subMsg : string
$errorCode : string
$gmtRefundPay : string
$industrySepcDetail : string
$outRequestNo : string
$outTradeNo : string
$presentRefundBuyerAmount : string
$presentRefundDiscountAmount : string
$presentRefundMdiscountAmount : string
$refundAmount : string
$refundChargeAmount : string
$refundDetailItemList : \Alipay\EasySDK\Payment\Common\Models\TradeFundBill[]
$refundReason : string
$refundRoyaltys : \Alipay\EasySDK\Payment\Common\Models\RefundRoyaltyResult[]
$refundSettlementId : string
$refundStatus : string
$sendBackFee : string
$totalAmount : string
$tradeNo : string