interface UseIntersectionObserverProps extends IntersectionObserverInit {
    freezeOnceVisible?: boolean;
}
export declare function useIntersectionObserver(elementRef: React.RefObject<Element | null>, { threshold, root, rootMargin, freezeOnceVisible, }?: UseIntersectionObserverProps): {
    entry: IntersectionObserverEntry | undefined;
    height: number;
};
export {};