import { Texture, WebGLRenderer, Scene } from 'three';
export declare class EnvManager {
    private scene;
    private defaultEnv?;
    private current?;
    private intensity;
    constructor(scene: Scene);
    initDefault(renderer: WebGLRenderer, intensity?: number): void;
    /** HDR 进入时调用 */
    useHDR(hdrTex: Texture, renderer: WebGLRenderer, intensity?: number): void;
    /** HDR 退出时调用 */
    restoreDefault(): void;
}