import { FIBConfig, CreatePaymentOptions, PaymentResponse, PaymentStatus } from "./types";
export declare class FIBClient {
    private client;
    private config;
    private token;
    private tokenExpiry;
    constructor(config: FIBConfig);
    private ensureToken;
    private authenticate;
    createPayment(options: CreatePaymentOptions): Promise<PaymentResponse>;
    getPaymentStatus(paymentId: string): Promise<PaymentStatus>;
    cancelPayment(paymentId: string): Promise<void>;
}