/**
 * 获取 hooks 上一个状态
 *
 * 使用可参考: https://ahooks.js.org/zh-CN/hooks/state/use-previous
 */
export declare type compareFunction<T> = (prev: T | undefined, next: T) => boolean;
declare function usePrevious<T>(state: T, compare?: compareFunction<T>): T | undefined;
export default usePrevious;