import { EntityEvent } from './entity-event';
export interface EventBusSubscriptionOptions {
    replay?: boolean;
}
export interface EventBusSubscription {
    unsubscribe(): void;
}
export interface EventBus {
    subscribe(listener: (event: EntityEvent, isReplaying?: boolean) => void, options?: EventBusSubscriptionOptions): EventBusSubscription;
    emit(event: {}): void;
}