declare type IframeOptions = {
    className: string;
};
declare class Iframe {
    containerElement: HTMLElement;
    verificationUrl: URL;
    isMobileDevice: boolean;
    iframe: HTMLIFrameElement;
    verificationIframeUid: string;
    constructor(containerElement: HTMLElement, url: string);
    createUniqueId(): string;
    createIframe(options: IframeOptions): HTMLIFrameElement;
    isValidHttpUrl(urlString: string): boolean;
    addVerificationSizeUpdatesListener(): void;
    init(): void;
}
export default Iframe;