import { ComponentInternalInstance, ComputedRef, InjectionKey } from 'vue';
type ParentProvide<T> = T & {
    link: (child: ComponentInternalInstance) => void;
    unlink: (child: ComponentInternalInstance) => void;
    children: ComponentInternalInstance[];
};
declare function useParent<T>(key: InjectionKey<ParentProvide<T>>): {
    parent: ParentProvide<T> | null;
    index: ComputedRef<number>;
};
export { useParent };