import { CoaWxPayIsvBin } from '../lib/CoaWxPayIsvBin';
export declare class CoaWxPayIsvService {
    private readonly bin;
    constructor(bin: CoaWxPayIsvBin);
    decodeInfo(encodeString: string): Promise<{
        [key: string]: any;
    }>;
    getPaymentParams(data: {
        appWxaId: string;
        prepayId: string;
    }): any;
    unifiedOrder(data: {
        accountId: string;
        orderId: string;
        price: number;
        appWxaId: string;
        subMchId: string;
        openId: string;
        body: string;
    }): Promise<any>;
    payRefund(data: {
        accountId: string;
        refundId: string;
        orderId: string;
        totalPrice: number;
        refundPrice: number;
        rawData: any;
    }): Promise<any>;
    queryOrder(data: {
        orderId: string;
        appWxaId: string;
        subMchId: string;
    }): Promise<any>;
    queryRefund(data: {
        orderId: string;
        refundId: string;
        appWxaId: string;
        subMchId: string;
    }): Promise<any>;
    downloadBill(data: {
        date: string;
    }): Promise<any>;
}