import { PaymentRequest } from "../types/interface";
/**
 * A class that provides all the necessary utilities to interact with the Tabby API as a Merchant charging
 */
export declare class Tabby {
    private tabbyHost;
    private apiKey;
    private merchantCode;
    /**
     * Initializes Tabby by setting an API key to communicate with the the Tabby API in order to create sessions.
     * @param apiKey
     * @param merchantCode
     */
    initialize(apiKey: string, merchantCode: string): void;
    /**
     * Calls the tabby API to create a session and split the payment in 4.
     * @param payload PaymentRequest
     *
     * @see [Referral] https://api-docs.tabby.ai/#operation/postCheckoutSession
     */
    createSession(payload: PaymentRequest): Promise<{
        status: string;
        link: any;
        paymentId: any;
        rejection_reason?: undefined;
        reject_message?: undefined;
    } | {
        status: string;
        rejection_reason: any;
        reject_message: string;
        link?: undefined;
        paymentId?: undefined;
    }>;
}