import { Payhere } from './Payhere';
import { CheckoutParams } from './params/CheckoutParams';
import { Customer } from './utils/Customer';
export declare class PayhereCheckout extends Payhere {
    private _checkoutParams;
    private _customerData;
    private onCheckoutError;
    constructor(customer: Customer, checkoutParams: CheckoutParams, onError?: (errorMsg: unknown) => void);
    start(): void;
}