import { ConcreteType } from '@cashfarm/lang';
import { IDomainEvent } from '../domain/domainEvent';
export declare const IEventBus: symbol;
export interface IEventBus {
    subscribe(evt: IDomainEvent & ConcreteType<{}>, handler: Object): void;
    unsubscribe(evt: IDomainEvent & ConcreteType<{}>, handler: Object): void;
    publish(event: IDomainEvent): void;
}