import { RefObject } from 'react';
/**
 * Trigger a callback whenever a click is made outside the ref elements.
 *
 * @param ref The target element(s) to ignore.
 * @param onClickOutside The callback function to be called.
 */
export declare const useClickOutside: (ref: HTMLElement | Array<HTMLElement> | RefObject<HTMLElement> | Array<RefObject<HTMLElement>>, onClickOutside: (e: MouseEvent) => void) => [boolean];