export declare class SslCommerzPayment {
    private readonly baseURL;
    private readonly initURL;
    private readonly validationURL;
    private readonly refundURL;
    private readonly refundQueryURL;
    private readonly transactionQueryBySessionIdURL;
    private readonly transactionQueryByTransactionIdURL;
    private readonly store_id;
    private readonly store_password;
    constructor(store_id: any, store_passwd: any, live?: boolean);
    init(data: any, url?: boolean, method?: string): any;
    validate(data: any, url?: boolean, method?: string): any;
    initiateRefund(data: any, url?: boolean, method?: string): any;
    refundQuery(data: any, url?: boolean, method?: string): any;
    transactionQueryBySessionId(data: any, url?: boolean, method?: string): any;
    transactionQueryByTransactionId(data: any, url?: boolean, method?: string): any;
}