interface Fn<T = any, R = T> {
    (...arg: T[]): R;
}
/**
 * 首次挂载时执行 hook(true)，keep-alive 激活时执行 hook(false)
 */
export declare function useMountedOrActivated(hook: Fn): void;
/**
 * 只在 keep-alive 激活时执行 hook，首次挂载不执行
 */
export declare function useActivatedOnly(hook: Fn): void;
/**
 * 分别在首次挂载和 keep-alive 激活时执行不同函数
 */
export declare function useMountedAndActivated(mountedFn: Fn, activatedFn: Fn): void;
declare const _default: {
    useMountedOrActivated: typeof useMountedOrActivated;
    useActivatedOnly: typeof useActivatedOnly;
    useMountedAndActivated: typeof useMountedAndActivated;
};
export default _default;