/**
 *
 * @param str
 * @returns
 */
declare function gbkLength(str: string): number;
/**
 * 根据gbk字符长度截取内容
 * @param {string} source
 * @param {number} len
 */
declare function gbkCut(source: string, len: number): string;
declare const _default: {
    gbkLength: typeof gbkLength;
    gbkCut: typeof gbkCut;
};
export default _default;