import { type AuthorizeResponse } from '../types/auth';
import { type IframeSDK, type IframeOptions } from '../types/authentication';
/**
 * Authentication using an iframe. Not recommended because of ITP 2.0.
 */
export default class Iframe {
    options: IframeOptions;
    private sdk;
    constructor(sdk: IframeSDK, options: IframeOptions);
    authorize(): Promise<AuthorizeResponse | null>;
    iframeID(): string;
    removeIframe(): void;
}