declare type IframeMessage = { type: 'contentResized' | 'pageNavigated' | 'complete'; [key: string]: any; }; declare function postMessage(message: IframeMessage, origin?: string | undefined): void; declare function resize(height: number, width: number): void; declare function navigation(url: string): void; declare function complete(): void; declare const _default: { postMessage: typeof postMessage; resize: typeof resize; navigation: typeof navigation; complete: typeof complete; }; export default _default;