import { Epik } from './Epik';
import { PaymentConfig } from './PaymentConfig';
import { PaymentMethod } from './PaymentMethod';
export interface IPaymentFlow {
    start(epik: Epik, payment: PaymentConfig, window: Window): void;
}
export declare enum PaymentFlow {
    REDIRECT = "redirect",
    IFRAME = "iframe",
    POPUP = "popup"
}
export declare function getSupportedPaymentFlows(paymentMethod: PaymentMethod): PaymentFlow[];
export declare function isPaymentFlowSupported(paymentMethod: PaymentMethod, paymentFlow: PaymentFlow): boolean;
export declare function getSupportedPaymentFlowByPreference(paymentMethod: PaymentMethod, preferredPaymentFlow: PaymentFlow[]): PaymentFlow;
export declare function createPaymentFlow(paymentFlow: PaymentFlow): IPaymentFlow;