export type CrudEventTypes = 'Add' | 'Update' | 'Remove';
export type EventCallback<TArg> = (arg: TArg) => void;
export declare class EventBus<TEntityTypes, TEventTypes> {
    #private;
    subscribe<TArg>(entityType: TEntityTypes | TEntityTypes[], eventTypes: TEventTypes | TEventTypes[], callback: EventCallback<TArg>): void;
    subscribeAll(entityType: TEntityTypes | TEntityTypes[], callback: () => void): void;
    unsubscribe(entityType: TEntityTypes | TEntityTypes[], eventTypes: TEventTypes | TEventTypes[], callback: EventCallback<TEntityTypes>): void;
    dispatch<TArg>(entityType: TEntityTypes, eventTypes: TEventTypes, object?: TArg): void;
}
//# sourceMappingURL=event-bus.d.ts.map