import Crypto from 'crypto';
export declare const merge: (target: any, source: any) => any;
export declare const buildQueryString: (data: Record<string, any>, options?: Record<string, any>) => string;
export declare const parseQueryString: (data: string, options?: Record<string, any>) => Record<string, any>;
export declare const isString: (data: any) => boolean;
export declare const isArray: (data: any) => boolean;
export declare const isNumber: (data: any) => boolean;
export declare const isObject: (data: any) => boolean;
export declare const isFunction: (data: any) => boolean;
export declare const inArray: (data: any, arr: any, strict?: boolean) => boolean;
export declare const strUcwords: (str: string) => string;
export declare const strLcwords: (str: string) => string;
export declare const strStudly: (value: string) => string;
export declare const strCamel: (value: string) => string;
/**
 * 生成哈希
 * @param str 原文字符串
 * @param type 哈希方式，可选：sha1、md5等待，默认：sha1
 * @param target 生成的目标类型，可选：latin1、hex、base64，默认：hex
 */
export declare const generateHash: (str: Crypto.BinaryLike, type?: string, target?: Crypto.BinaryToTextEncoding) => string;
/**
 * 生成哈希校验码
 * @param str 原文字符串
 * @param type 加密方式，可选：sha256等待，默认：sha256
 * @param target 生成的目标类型，可选：latin1、hex、base64，默认：hex
 */
export declare const generateHmac: (str: Crypto.BinaryLike, key: string, type?: string, target?: Crypto.BinaryToTextEncoding) => string;
/**
 * 格式化时间
 * @param fmt 日期格式
 * @param timeStr 时间字符串
 * @returns
 */
export declare const formatTime: (fmt: string, timeStr?: string) => any;