import { FramebusOnHandler, FramebusReplyHandler } from 'framebus/dist/lib/types';
declare class Bus {
    listeners: any[];
    isDestroyed: boolean;
    constructor();
    on(eventName: string, callback: FramebusOnHandler): void;
    off(eventName: string, callback: FramebusOnHandler): void;
    emit(eventName: string, data: Record<string, unknown> | undefined, callback?: FramebusReplyHandler | undefined): void;
    hasListener(eventName: string): boolean;
    teardown(): void;
}
export default Bus;