import { HookEvents, Options, PostMessageAction, ViewModel } from '../types/types';
import { EventEmitter } from '../hooks/eventEmitter';

export type IframeOptions = {
    className: string;
    title: string;
};
export declare const DEFAULT_OPTIONS: IframeOptions;
export declare const assertValidFunction: (candidate: Function) => void;
declare class Iframe extends EventEmitter<HookEvents> {
    containerElement: HTMLElement;
    verificationUrl: URL;
    isMobileDevice: boolean;
    iframe: HTMLIFrameElement;
    verificationIframeUid: string;
    hasLoaded: boolean;
    onLoadEvents: Function[];
    onCleanupEvents: (() => void)[];
    installType: string;
    constructor(containerElement: HTMLElement, url: string);
    cleanup(): void;
    static createUniqueId(): string;
    static isValidHttpUrl(urlString: string): boolean;
    createIframe(options: IframeOptions): HTMLIFrameElement;
    addOnLoadEvent(callback: Function): void;
    onLoad(): void;
    /**
     * Using this to add parent window message listeners gives us
     * - Event Cleanup for modals
     * - verification of origin, verificationIframeUid, and message data structure
     */
    addWindowMessageListener(actionCb: (action: PostMessageAction) => void): void;
    addActionListener(): void;
    setViewModel(viewModel: Partial<ViewModel> | ViewModel): void;
    setOptions(options: Options): void;
    setInstallType(installType: string): void;
    init(createIframe?: boolean): void;
}
export default Iframe;