import { type RefObject } from 'react';
/**
 * Uses the IntersectionObserverMock API to tell whether the given DOM Element (from useRef) is visible within the
 * viewport.
 */
declare const useViewportSpy: <TElement extends HTMLElement>(ref: RefObject<TElement>, options?: IntersectionObserverInit) => boolean | undefined;
export default useViewportSpy;