import { EventListener } from './EventListener';
export declare class EventBus<Event> {
    listeners: EventListener<Event>[];
    lastEvent: Event | undefined;
    constructor();
    subscribe(listener: EventListener<Event>): {
        unsubscribe: () => void;
    };
    unsubscribe(listener: EventListener<Event>): void;
    publish(event: Event): void;
}