import { MutableRefObject } from 'react';
type UseFocusType = () => void;
/**
 * The useFocus function takes a ref as an argument and returns a setFocus function.
 * The ref should be attached to an element to make it focusable via the setFocus function.
 * @example const setFocus = useFocus(ref)
 *
 * @param htmlElRef - The ref object that will be focused.
 *
 * @return A setFocus function
 *
 */
export declare const useFocus: (htmlElRef: MutableRefObject<HTMLElement | null>) => UseFocusType;
export {};