import { type RefObject } from 'react';
/**
 * Fires callback when click is outside target element(s).
 * @param elementRef Ref (or ref list) with target element(s).
 * @param callback Callback that will be called when click is outside target elements.
 */
export declare function useOutsideClick<T extends Element>(elementRef: RefObject<T | undefined | null> | RefObject<T | undefined | null>[], callback?: (event: MouseEvent) => void): void;