import { MutableRefObject, RefObject } from 'react';
/**
 * Triggers callback when user clicks outside the target element.
 *
 * @param ref React ref object with target HTML element.
 * @param callback Callback that will be triggered during the click.
 * @param events Events list that will be used as triggers for outside click.
 * Default: 'mousedown', 'touchstart'
 */
export declare function useClickOutside<T extends HTMLElement>(ref: RefObject<T> | MutableRefObject<T>, callback: EventListener, events?: string[]): void;