import { Observable } from 'rxjs';
import { FormbirdInjectorService } from '../injector/formbird-injector.service';
export declare class BroadcastService {
    private injector;
    ajsService: any;
    constructor(injector: FormbirdInjectorService);
    /**
     * rebroadcast AngularJS events as observables so that Angular components can subscribe to them
     */
    private rebroadcastAngularJSEvents;
    broadcast(key: any, data?: any): void;
    on<T>(key: any): Observable<T>;
}