declare const on: (target: EventTarget, type: string, callback: EventListener | EventListenerObject | ((event: any) => void), options?: boolean | AddEventListenerOptions | undefined) => void;
declare const off: (target: EventTarget, type: string, callback: EventListener | EventListenerObject | ((event: any) => void), options?: boolean | EventListenerOptions | undefined) => void;
export { on, off, };