import { VisibilityObserver } from '../services/createVisibilityObserver';
import { InjectionKey, Ref } from 'vue';
type UseVisibilityObserver = {
    isElementVisible: Ref<boolean>;
};
export declare const visibilityObserverKey: InjectionKey<VisibilityObserver>;
export declare function useVisibilityObserver(element: Ref<Element | undefined>): UseVisibilityObserver;
export {};