import IPandaPayload, { IPandaPaymentRequest, IPandaRefundPayload } from '../../Interfaces/Cart/IPandaPayload';
export declare class Pandapay {
    _isDev: boolean;
    _secret: string;
    _terminal_id: string;
    constructor(secret: string, terminal_id: string, isDev?: boolean);
    handlePayment: (pandapayPaymentRequest: IPandaPaymentRequest) => Promise<string | IPandaPayload | undefined>;
    handleRefund: (payment_payload: IPandaPayload, cart_id: string, cart_total: number) => Promise<string | IPandaRefundPayload | undefined>;
    private queryPandapay;
    private createPaymentPayload;
    private createRefundPayload;
    private PANDA_DATE_FORMAT;
    private generatePandaHash;
    private parsePaymentResponse;
    private parseRefundResponse;
}