import type { Ref } from 'vue'; export type IntersectionObserverOptions = Omit & { root?: Element | Document | null | string; }; export declare function resolveOptionsAndHash(options?: IntersectionObserverOptions | undefined): { hash: string; options: Omit & { root: Element | Document; }; }; export declare const observeIntersection: (el: HTMLElement | null, options: IntersectionObserverOptions | undefined, shouldStartLoadingRef: Ref) => () => void;