import { type MutableRefObject, type RefObject } from 'react';
/**
 * Focusing on the passed element ref after initial mount.
 * Will only focus on initial mount.
 *
 * https://developer.mozilla.org/en-US/docs/Web/API/HTMLSelectElement/autofocus
 *
 * ```tsx
 * import useAutoFocus from '@atlaskit/ds-lib/use-auto-focus';
 *
 * const elementRef = useRef();
 * useAutoFocus(elementRef, true);
 *
 * <button ref={elementRef} />;
 * ```
 *
 * @param ref
 * @param autoFocus
 */
export default function useAutoFocus(ref: RefObject<HTMLElement | null | undefined> | MutableRefObject<HTMLElement | null | undefined> | undefined, autoFocus: boolean): void;