/**
 * Hook that checks if an element is visible in the viewport.
 * @returns
 * ref: React ref object to attach to the element you want to monitor.
 * inViewport: Boolean indicating if the element is in the viewport.
 */
export declare function useInViewport<T extends HTMLElement = any>(): {
    ref: (node: T | null) => void;
    inViewport: boolean;
};