import { _NaN, NEGATIVE_INFINITY, POSITIVE_INFINITY } from './calc';
declare global {
    type StrNumberValue = string | typeof StrNumber.NEGATIVE_INFINITY | typeof StrNumber.POSITIVE_INFINITY | typeof StrNumber.NaN;
    type StrNumberType = number | StrNumberValue | StrNumber;
}
/**
 * 私有value属性名
 */
declare const privateValueKey: unique symbol;
/**
 * 类名：StrNumber
 * @description
 * 这是一个数字计算类，用于解决js浮点数运算精度丢失和大数运算的问题
 * 封装了常用的加减乘除计算方法，还包括toFixed方法
 * 实例支持链式调用计算方法，计算方法也可以在静态方法中调用
 */
declare class StrNumber {
    static POSITIVE_INFINITY: import("./StrNumberFlag").default;
    static NEGATIVE_INFINITY: import("./StrNumberFlag").default;
    static NaN: import("./StrNumberFlag").default;
    static add: (a: StrNumberType, b: StrNumberType) => StrNumberValue;
    static minus: (a: StrNumberType, b: StrNumberType) => StrNumberValue;
    static times: (a: StrNumberType, b: StrNumberType) => StrNumberValue;
    static into: (a: StrNumberType, b: StrNumberType) => StrNumberValue;
    static calc: (str: string) => StrNumberValue;
    static toFixed: (value: StrNumberType, digits: number) => string;
    static isInfinite: (value: StrNumberType) => value is typeof NEGATIVE_INFINITY | typeof POSITIVE_INFINITY;
    static isFinite: (value: StrNumberType) => value is string;
    static isNaN: (value: StrNumberType) => value is typeof _NaN;
    static aIsEqualToB: (a: StrNumberType, b: StrNumberType) => boolean;
    static aIsMoreThanB: (a: StrNumberType, b: StrNumberType) => boolean;
    static aIsLessThanB: (a: StrNumberType, b: StrNumberType) => boolean;
    /**
     * 私有value属性
     * 给value属性做存值
     */
    private [privateValueKey];
    value: StrNumberValue;
    constructor(value?: StrNumberType);
    private calc;
    /**
     * 加
     */
    add(...value: StrNumberType[]): StrNumber;
    /**
     * 减
     */
    minus(...value: StrNumberType[]): StrNumber;
    /**
     * 乘
     */
    times(...value: StrNumberType[]): StrNumber;
    /**
     * 除
     */
    into(...value: StrNumberType[]): StrNumber;
    /**
     * 小于
     */
    isLessThan(value: StrNumberType): boolean;
    /**
     * 等于
     */
    isEqualTo(value: StrNumberType): boolean;
    /**
     * 大于
     */
    isMoreThan(value: StrNumberType): boolean;
    /**
     * 保留固定小数位数
     * @param digits 小数位数
     */
    toFixed(digits: number): string;
    /**
     * 支持原生String方法转换字符串
     */
    toString(): string;
    /**
     * 原始值转换为数字
     */
    valueOf(): number;
}
export default StrNumber;