/**
 * 获取上一个值
 * @param value 需要获取的值
 */
export declare const usePrevious: <T extends unknown = any>(value: T) => T | undefined;
/**
 * 模拟componentDidMount
 * @param fn callback function
 */
export declare const useMount: (fn: () => void) => void;
export default useMount;
/**
 * 模拟componentDidUpdate
 * @param fn 回调函数
 * @param deps
 */
export declare function useUpdate(fn: () => void, deps?: Array<any>): void;
/**
 * 监听页面变化
 * @param callback 回调函数
 */
export declare const useRouteChange: (callback?: ((e: HashChangeEvent | PopStateEvent) => void) | undefined) => void;