import { Vector3 } from '@anov/3d-core';
/**
 * get three position
 * @param date
 * @param latitude
 * @param longitude
 * @param distance
 * @returns
 */
export declare const getThreePosition: (date: Date, latitude: number, longitude: number, distance: number) => Vector3;
/**
 * get sun position
 * @param date
 * @param latitude
 * @param longitude
 * @returns
 */
export declare const getSunPosition: (date: Date, latitude: number, longitude: number) => {
    altitude: number;
    azimuth: number;
};
/**
 * handle time string eg:18:00 => date type now
 * @param time
 * @returns
 */
export declare const handleTimeString: (time: string) => Date;