import { DependencyList } from 'react';
import { ElementOrRef } from '../../utils/element-refs';
export interface UseIntersectionObserverOptions<T extends ElementOrRef<Element>> extends IntersectionObserverInit {
    ref: T;
    freezeOnceVisible?: boolean;
    handleEntry?: (entry: IntersectionObserverEntry) => void;
}
/**
 * Use an intersection observer to detect if
 * the given element `ref` is within the viewport.
 *
 * Based on `useIntersectionObserver` from `usehooks-ts`
 *
 * @see the LICENSE file at:
 *   https://github.com/juliencrn/usehooks-ts/blob/master/LICENSE
 *
 * Modifications from original source:
 *   - Add support for effect dependencies
 *   - Skip the callback intersection callback if component is not mounted
 */
export declare function useIntersectionObserver<T extends ElementOrRef<Element>>({ ref, threshold, root, rootMargin, freezeOnceVisible, handleEntry, }: UseIntersectionObserverOptions<T>, deps?: DependencyList): IntersectionObserverEntry | undefined;