export declare class ShouXingUtil {
    static PI_2: number;
    static ONE_THIRD: number;
    static SECOND_PER_DAY: number;
    static SECOND_PER_RAD: number;
    private static NUT_B;
    private static DT_AT;
    private static XL0;
    private static XL1;
    private static QI_KB;
    private static QB;
    private static SHUO_KB;
    private static SB;
    private static decode;
    static nutationLon2(t: number): number;
    static eLon(t: number, n: number): number;
    static mLon(t: number, n: number): number;
    static gxcSunLon(t: number): number;
    static ev(t: number): number;
    static saLon(t: number, n: number): number;
    static dtExt(y: number, jsd: number): number;
    static dtCalc(y: number): number;
    static dtT(t: number): number;
    static mv(t: number): number;
    static saLonT(w: number): number;
    static msaLon(t: number, mn: number, sn: number): number;
    static msaLonT(w: number): number;
    static saLonT2(w: number): number;
    static msaLonT2(w: number): number;
    static qiHigh(w: number): number;
    static shuoHigh(w: number): number;
    static qiLow(w: number): number;
    static shuoLow(w: number): number;
    static calcShuo(jd: number): number;
    static calcQi(jd: number): number;
    static qiAccurate(w: number): number;
    static qiAccurate2(jd: number): number;
}