/// <reference types="react" />
interface State {
    inView: boolean;
    entry: IntersectionObserverEntry | null;
    observer: IntersectionObserver | null;
}
export interface Options extends IntersectionObserverInit {
    unobserveOnEnter?: boolean;
    /**
     * @deprecated Use setRef callback.
     */
    target?: React.RefObject<Element | null>;
    /**
     * @deprecated Use hook `useInViewEffect` to access observer callback.
     */
    onEnter?: (entry: IntersectionObserverEntry, observer: IntersectionObserver) => void;
    /**
     * @deprecated Use hook `useInViewEffect` to access observer callback.
     */
    onLeave?: (entry: IntersectionObserverEntry, observer: IntersectionObserver) => void;
    /**
     * Default `inView` state
     */
    defaultInView?: boolean;
}
interface UseInView {
    (options?: Options, externalState?: React.ComponentState[]): [
        (node: Element | null) => void,
        State["inView"],
        State["entry"],
        State["observer"]
    ];
}
/**
 * useInView
 * @param options IntersectionObserverInit
 * @param externalState React.ComponentState[]
 */
declare const useInView: UseInView;
export default useInView;