import type { AnyFunction } from '../../types';
export declare const isFunction: <T extends AnyFunction = AnyFunction>(value: unknown) => value is T;
export declare const isDate: <T extends Date = Date>(date: any) => date is T;
export declare const isUndefined: <T>(value: T | undefined) => value is undefined;
export { isObject } from '@vueuse/core';