type EventListener = (payload: unknown) => void | Promise<void>;
declare class EventBus {
    constructor();
    private readonly listeners;
    on(event: string, listener: EventListener): () => void;
    listen(event: string, listener: EventListener): () => void;
    emit(event: string, payload: unknown): Promise<void>;
    dispatch(event: string, payload: unknown): Promise<void>;
}
declare function readSharedEventBus(): EventBus;
declare const eventBus: EventBus;
export type { EventListener };
export { EventBus, eventBus, readSharedEventBus };