/**
 * 十进制IP地址转十六进制
 * @method ipToHex
 * @param {String} ip 十进制数字的IPV4地址
 * @return {String} 16进制数字IPV4地址
 * @example
 * import { ipToHex } from '@spore-ui/tskit';
 * ipToHex('255.255.255.255'); //return 'ffffffff'
 */
export declare function ipToHex(ip: string): string;
export default ipToHex;