import { AnyFunc } from '@vunk/core/shared/types';
export * from './noop';
/**
 * nonNullableCall
 * @description 保证函数返回值不为null
 * @param fn
 * @param args
 * @returns
 */
export declare const nonNullableCall: <T extends AnyFunc>(fn: T, ...args: Parameters<T>) => NonNullable<ReturnType<T>>;
/**
 *  判断一个值是否是函数
 * @param thing  任意值
 * @returns 如果是函数返回true，否则返回false
 */
export declare function isCallable<T extends (...args: unknown[]) => unknown>(thing: T | unknown): thing is T;