/**
* Setup an [`IntersectionObserver`](https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver) on
* a DOM Element that returns it's entries as they arrive.
*
* @param element The DOM element to observe
* @param init IntersectionObserver options with a notable change,
* unlike a plain IntersectionObserver `root: null` means "not provided YET",
* and the hook will wait until it receives a non-null value to set up the observer.
* This change allows for easier syncing of element and root values in a React
* context.
*/
declare function useIntersectionObserver<TElement extends Element>(element: TElement | null | undefined, options?: IntersectionObserverInit): IntersectionObserverEntry[];
/**
* Setup an [`IntersectionObserver`](https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver) on
* a DOM Element. This overload does not trigger component updates when receiving new
* entries. This allows for finer grained performance optimizations by the consumer.
*
* @param element The DOM element to observe
* @param callback A listener for intersection updates.
* @param init IntersectionObserver options with a notable change,
* unlike a plain IntersectionObserver `root: null` means "not provided YET",
* and the hook will wait until it receives a non-null value to set up the observer.
* This change allows for easier syncing of element and root values in a React
* context.
*
*/
declare function useIntersectionObserver<TElement extends Element>(element: TElement | null | undefined, callback: IntersectionObserverCallback, options?: IntersectionObserverInit): void;
export default useIntersectionObserver;