import { BrunetonSky } from './BrunetonSky';
import { Vector3 } from 'three';
import { RenderManager } from '../RenderManager';
import { ISkyDataUrls } from './ISkyDataUrls';
export declare class Atmosphere {
    sky: BrunetonSky;
    private readonly renderManager;
    sun: Vector3;
    private skyLight;
    private sunLight;
    private sideLight;
    private ground;
    private groundMaterial;
    private groundCamera;
    constructor(render: RenderManager, skyDataUrls?: ISkyDataUrls | undefined);
    setSunCoordinates(azimuth: number, elev: number): void;
    private initLights;
    updateLights(): void;
    renderSky(width: number, height: number): void;
    renderGround(): void;
    update(): void;
    updateFog(): void;
    updateFresnel(): void;
    dispose(): void;
}