import type { IDomainEventBus } from '../../application/ports/event-bus.port';
import type { DomainEvent } from '../../domain/events/domain-event';
export declare class InMemoryEventBus implements IDomainEventBus {
    private readonly handlers;
    subscribe<T>(eventType: string, handler: (event: DomainEvent<T>) => Promise<void>): void;
    publish(event: DomainEvent<unknown>): Promise<void>;
    handlerCount(eventType: string): number;
    clear(): void;
}