/**
 * @use medash.trim(str:string):string
 * @desc 修剪字符串两端的空字符
 * @version v3.3.0
 * @param str(any):任意类型值
 * @return (string): 已两端已修剪的字符串
 * @example
 * trim(' trim ')//trim
 */
export declare const trim: (str: string) => string;
/**
 * @use medash.trimStart(str:string):string
 * @desc 修剪字符串前端的空字符
 * @version v3.3.0
 * @param str(any):任意类型值
 * @return (string): 前端已修剪的字符串
 * @example
 * trimStart(' trim ')//'trim '
 */
export declare const trimStart: (str: string) => string;
/**
 * @use medash.trimEnd(str:string):string
 * @desc 修剪字符串后端的空字符
 * @version v3.3.0
 * @param str(any):任意类型值
 * @return (string): 后端已修剪的字符串
 * @example trimEnd(' trim ')//' trim'
 */
export declare const trimEnd: (str: string) => string;