/**
 * @description: 四舍五入保留N位小数
 * @param {number} num 传入的值
 * @param {number} precision 保留小数后几位
 * @return {string}
 */
export declare function numberRoundFixed(num: number, precision: number): string;
/**
 * @description: 创建uuid
 * @param {null}
 * @return {string}
 */
export declare function createUUID(): string;
/**
 * @description: 浮点数相乘，防止精度丢失
 * @param {array} _arg
 * @return {number}
 */
export declare const bigNumberMultiple: (...arg: (string | number)[]) => number;
/**
 * @description: 浮点数相除，防止精度丟失
 * @param {array} _arg
 * @return {number}
 */
export declare const bigNumberDivide: (...arg: (string | number)[]) => number;
/**
 * @description: 浮点数相加，防止精度丢失
 * @param {array} _arg
 * @return {number}
 */
export declare const bigNumberPlus: (...arg: (string | number)[]) => number;
/**
 * @description: 浮点数相减，防止精度丢失
 * @param {array} _arg
 * @return {number}
 */
export declare const bigNumberMinus: (...arg: (string | number)[]) => number;