import TimeOfInterest from '../time/TimeOfInterest';
import Planet from './Planet';
import { Vsop87 } from './types/Vsop87Types';
export default class Neptune extends Planet {
    constructor(toi?: TimeOfInterest, useVsop87Short?: boolean);
    get diameter(): number;
    protected get vsop87J2000(): Promise<Vsop87>;
    protected get vsop87Date(): Promise<Vsop87>;
    protected get vsop87DateShort(): Promise<Vsop87>;
    protected calculateApparentMagnitude(distanceSun: number, distanceEarth: number, phaseAngle: number): number;
}