declare let StringUtils: {
    isEmpty: (s: any) => boolean;
    genID: () => any;
    uuid: () => any;
    leftPad: (s: any, prefix: any, len: any) => any;
    isString: (s: any) => boolean;
    isNumber: (s: any) => boolean;
    parseNumber: (s: any, defValue?: number) => number;
};
export default StringUtils;