declare const EARTH_EQUATORIAL_RADIUS_METERS = 6378137;
declare const EARTH_EQUATORIAL_DIAMETER_METERS: number;
declare const EARTH_EQUATORIAL_RADIUS_KM: number;
declare const EARTH_EQUATORIAL_DIAMETER_KM: number;
declare const EARTH_AXIS_RATIO = 0.996647189335;
declare const EARTH_FLATTENING: number;
declare const EARTH_POLAR_RADIUS_RATIO: number;
declare const ECCENTRICITY_SQUARED: number;
declare const EARTH_ROTATION_DEG_PER_HOUR: number;
declare const EARTH_SIDEREAL_ROTATION_PER_DAY = 360.985647;
declare const SUNRISE_SUNSET_ALTITUDE_DEG = -0.8333;
declare const EARTH_ARGUMENTS_OF_NUTATION: number[][];

declare const EPOCH_J1900 = 2415020;
declare const EPOCH_J1950 = 2433282.5;
declare const EPOCH_J2000 = 2451545;
declare const EPOCH_J2100 = 2488070;

declare const INCLINATION_OF_MEAN_LUNAR_EQUATOR = 1.54242;
declare const MOON_DIAMETER_KM = 3474.8;
declare const MOON_RADIUS_KM: number;
declare const MOON_PHASE_NEW_MOON = 0;
declare const MOON_PHASE_FIRST_QUARTER = 0.25;
declare const MOON_PHASE_FULL_MOON = 0.5;
declare const MOON_PHASE_LAST_QUARTER = 0.75;
declare const MOON_ARGUMENTS_LR: number[][];
declare const MOON_ARGUMENTS_B: number[][];

declare const SUN_DIAMETER_KM = 1391400;
declare const SUN_RADIUS_KM: number;

declare const ASTRONOMICAL_UNIT_IN_METERS = 149597870700;
declare const LIGHT_SPEED_KM_PER_SEC = 299792.458;

declare enum Direction {
    North = "N",
    NorthNorthEast = "NNE",
    NorthEast = "NE",
    EastNorthEast = "ENE",
    East = "E",
    EastSouthEast = "ESE",
    SouthEast = "SE",
    SouthSouthEast = "SSE",
    South = "S",
    SouthSouthWest = "SSW",
    SouthWest = "SW",
    WestSouthWest = "WSW",
    West = "W",
    WestNorthWest = "WNW",
    NorthWest = "NW",
    NorthNorthWest = "NNW"
}

declare enum LimbAlignment {
    UpperLimb = "upperLimb",
    Center = "center",
    LowerLimb = "lowerLimb"
}

interface RectangularCoordinates {
    x: number;
    y: number;
    z: number;
}
interface EclipticSphericalCoordinates {
    lon: number;
    lat: number;
    radiusVector: number;
}
interface EquatorialSphericalCoordinates {
    rightAscension: number;
    declination: number;
    radiusVector: number;
}
interface LocalHorizontalCoordinates {
    azimuth: number;
    altitude: number;
    radiusVector: number;
}

interface LatLon {
    lat: number;
    lon: number;
}

declare function correctEffectOfRefraction(altitude: number): number;

declare function azimuth2direction(azimuth: number): Direction;

interface Location$1 extends LatLon {
    elevation: number;
}

declare class Location implements Location$1 {
    readonly lat: number;
    readonly lon: number;
    readonly elevation: number;
    private prefixesNorthSouth;
    private prefixesEastWest;
    constructor(lat: number, lon: number, elevation?: number);
    static create(lat: number, lon: number, elevation?: number): Location;
    getLatitude(): number;
    getLongitude(): number;
    getElevation(): number;
    getLatitudeInDegreeMinutes(): string;
    getLongitudeInDegreeMinutes(): string;
    getLatitudeInDegreeMinutesSeconds(): string;
    getLongitudeInDegreeMinutesSeconds(): string;
    getDistanceToInKm(location: Location): number;
}

type Time = {
    year: number;
    month: number;
    day: number;
    hour: number;
    min: number;
    sec: number;
};

declare class TimeOfInterest {
    readonly time: Time;
    readonly jd: number;
    readonly jde: number;
    readonly T: number;
    constructor(time: Time);
    static fromCurrentTime(): TimeOfInterest;
    static fromTime(year: number, month: number, day: number, hour?: number, min?: number, sec?: number): TimeOfInterest;
    static fromDate(date: Date): TimeOfInterest;
    static fromYearOfDay(year: number, dayOfYear: number): TimeOfInterest;
    static fromJulianDay(jd: number): TimeOfInterest;
    static fromJulianDayEphemeris(jde: number): TimeOfInterest;
    static fromJulianCenturiesJ2000(T: number): TimeOfInterest;
    getTime(): Time;
    getString(): string;
    getDate(): Date;
    getDecimalYear(): number;
    getDayOfYear(): number;
    getDayOfWeek(): number;
    isLeapYear(): boolean;
    getJulianDay(): number;
    getJulianDay0(): number;
    getJulianDayEphemeris(): number;
    getJulianCenturiesJ2000(): number;
    getJulianCenturiesJ2000Ephemeris(): number;
    getJulianMillenniaJ2000(): number;
    getJulianMillenniaJ2000Ephemeris(): number;
    getGreenwichMeanSiderealTime(): number;
    getGreenwichApparentSiderealTime(): number;
    getLocalMeanSiderealTime(location: LatLon): number;
    getLocalApparentSiderealTime(location: LatLon): number;
    getDeltaT(): number;
}

export { ASTRONOMICAL_UNIT_IN_METERS, Direction, EARTH_ARGUMENTS_OF_NUTATION, EARTH_AXIS_RATIO, EARTH_EQUATORIAL_DIAMETER_KM, EARTH_EQUATORIAL_DIAMETER_METERS, EARTH_EQUATORIAL_RADIUS_KM, EARTH_EQUATORIAL_RADIUS_METERS, EARTH_FLATTENING, EARTH_POLAR_RADIUS_RATIO, EARTH_ROTATION_DEG_PER_HOUR, EARTH_SIDEREAL_ROTATION_PER_DAY, ECCENTRICITY_SQUARED, EPOCH_J1900, EPOCH_J1950, EPOCH_J2000, EPOCH_J2100, type EclipticSphericalCoordinates, type EquatorialSphericalCoordinates, INCLINATION_OF_MEAN_LUNAR_EQUATOR, LIGHT_SPEED_KM_PER_SEC, type LatLon, LimbAlignment, type LocalHorizontalCoordinates, Location, MOON_ARGUMENTS_B, MOON_ARGUMENTS_LR, MOON_DIAMETER_KM, MOON_PHASE_FIRST_QUARTER, MOON_PHASE_FULL_MOON, MOON_PHASE_LAST_QUARTER, MOON_PHASE_NEW_MOON, MOON_RADIUS_KM, type RectangularCoordinates, SUNRISE_SUNSET_ALTITUDE_DEG, SUN_DIAMETER_KM, SUN_RADIUS_KM, TimeOfInterest, azimuth2direction, correctEffectOfRefraction };