import { EclipticSphericalCoordinates } from '../types/CoordinateTypes';
export declare function getLightTimeCorrectedJulianDay(jd: number, d: number): number;
export declare function correctEffectOfNutation(coords: EclipticSphericalCoordinates, T: number): EclipticSphericalCoordinates;
export declare function correctEffectOfAberration(coords: EclipticSphericalCoordinates, T: number): EclipticSphericalCoordinates;
export declare function correctEffectOfRefraction(altitude: number): number;