export type RefundCreditCardParams = {
    Amt: number;
    MerchantOrderNo: string;
    IndexType: 1;
    TradeNo?: string;
    CloseType: 1 | 2;
    Cancel?: 1;
} | {
    Amt: number;
    MerchantOrderNo?: string;
    IndexType: 2;
    TradeNo: string;
    CloseType: 1 | 2;
    Cancel?: 1;
};