/**
 * Hook for subscribing to events.
 * @param evt - event name
 * @param callback - callback function
 * @param once - whether to subscribe only once
 * @public
 */
export declare const useEventSubscribe: (evt: string, callback: (...args: any[]) => void, once?: boolean) => void;
/**
 * Hook for publishing events.
 * @returns event publish function
 * @public
 */
export declare const useEventPublish: () => any;