import { Observable, Observer, Subscription } from 'rxjs';
export declare class EventManager {
    observable: Observable<EventWithContent<any> | string>;
    observer: Observer<EventWithContent<any> | string>;
    constructor();
    broadcast(event: EventWithContent<any> | string): void;
    subscribe(eventName: string, callback: any): Subscription;
    destroy(subscriber: Subscription): void;
}
export declare class EventWithContent<T> {
    name: string;
    content: T;
    constructor(name: string, content: T);
}