import { RefObject } from 'react';
/**
 * Hook that detects clicks outside of a referenced element.
 *
 * Attaches mousedown and touchstart event listeners to the document
 * and calls the handler when a click occurs outside the referenced element.
 * Useful for closing dropdowns, modals, or popovers when clicking outside.
 *
 * @param ref - React ref object pointing to the element to monitor
 * @param handler - Callback invoked when a click outside the element is detected
 */
export declare function useClickOutside<T extends HTMLElement = HTMLElement>(ref: RefObject<T>, handler: (event: Event) => void): void;
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