import { RefObject } from 'react';
type EventType = 'mousedown' | 'mouseup' | 'touchstart' | 'touchend';
/**
 * Custom hook for detecting clicks outside of a specified element.
 *
 * @param {RefObject<HTMLElement>} ref The React ref attached to the element to monitor.
 * @param {() => void} handler The function to call when a click outside occurs.
 * @param {EventType} [eventType='mousedown'] The type of event to listen for ('mousedown', 'mouseup', 'touchstart', 'touchend').
 */
export declare const useClickOutside: (ref: RefObject<HTMLElement>, handler: () => void, eventType?: EventType) => void;
export {};