/**
 * @description: 页面mounted了或者没有vm就立刻执行， 90%触达
 * @param {Function} fn
 */
export declare function useMounted<F extends (...rest: any) => any>(fn: F): void;
/**
 * @description: 组件销毁后执行,  99%触达
 * @param {Function} fn
 */
export declare function useUnmounted<F extends (...rest: any) => any>(fn: F): void;
/**
 * @description: 组件存在并且是非isUnmounted才执行， 99%触达
 * @param {Function} fn
 */
export declare function useBeforeUnMount<F extends (...rest: any) => any>(fn: F): void;