import { Ref } from 'vue';
/**
 * Sets up a basic IntersectionObserver which attaches to the provided
 * template ref when the component is mounted. Returns a boolean ref which
 * will update to match the current intersection status of the targeted
 * element (true if the element is in view, false if it's scrolled out of view).
 * If IntersectionObserver is not available, the returned ref will always be false.
 *
 * @param templateRef
 * @param observerOptions
 * @return boolean ref
 */
export default function useIntersectionObserver(templateRef: Ref<Element | undefined>, observerOptions: IntersectionObserverInit): Ref<boolean>;