import { Payment } from './Payment';
import { PaymentProperties } from './Payment';
export declare class PayPal extends Payment {
    /**
     * Unique PayPal Customer Account identification number.
     */
    payerId: string;
    /**
     * Unique transaction number to identify Auth calls at PayPal.
     */
    transactionId: string;
    /**
     * Reference code passed to acquiring bank at the time of payment. This code is the key ID that ties back to payments data at the payment level.
     */
    merchantOrderCode?: string;
    readonly method = "PAYPAL";
    constructor(payPal: PayPalProperties);
}
export interface PayPalProperties extends PaymentProperties {
    payerId: string;
    transactionId: string;
    merchantOrderCode?: string;
}