import { Subject } from 'rxjs';
import { YapIframeMessageType } from './iframe-message-type.interface';
import * as i0 from "@angular/core";
export declare class IframeMessagingService {
    message$: Subject<YapIframeMessageType>;
    received($event: YapIframeMessageType, window: Window): void;
    post(target: Window, message: any, origin?: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<IframeMessagingService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<IframeMessagingService>;
}