import { ThreeDSecureOptions } from "./types";
import { SecureFields } from './index';
declare class ThreeDSecure {
    private secureFields;
    controller: HTMLIFrameElement;
    private challengeWindowSize;
    private element;
    constructor(secureFields: SecureFields);
    init(element: HTMLElement | string, options?: ThreeDSecureOptions): this;
    private listener;
}
export { ThreeDSecure };