import type { Ref } from 'vue';
import type { MaybeRefOrGetter } from '../../vueuse/interface';
export declare function usePrevious<T>(value: MaybeRefOrGetter<T>): Readonly<Ref<T | undefined>>;
export declare function usePrevious<T>(value: MaybeRefOrGetter<T>, initialValue: T): Readonly<Ref<T>>;