import { Observable, Subscription, PartialObserver } from 'rxjs';
import { Type } from '../di';
import { BusEvent } from './BusEvent';
/**
 * Custom eventing bus that abstracts common patterns between events.
 * @export
 * @class EventBus
 */
export declare class EventBus {
    private _bus;
    private _observable;
    /**
     * Subscribes to a specific event type.
     * @template T The bus event type.
     * @param {Type<T>} Event
     * @param {(PartialObserver<T>|((event: T) => void))} observer
     * @returns {Subscription}
     */
    subscribe<T extends BusEvent<any>>(Event: Type<T>, observer: PartialObserver<T> | ((event: T) => void)): Subscription;
    /**
     * Creates an observable scoped to a specific event type.
     * @template T The bus event type.
     * @param {Type<T>} Event
     * @returns {Observable<T>}
     */
    scope<T extends BusEvent<any>>(Event: Type<T>): Observable<T>;
    /**
     * Dispatches an event.
     * @template T The bus event type.
     * @param {T} event
     */
    next<T extends BusEvent<any>>(event: T): void;
}