import { WebGPURenderer } from 'three/webgpu';
import { DIVEScene } from '../scene/Scene.ts';
/**
 * @deprecated Use `scene.setImageBasedLight` and `scene.setBackground`.
 */
export type DIVEEnvironmentSettings = {
    /**
     * Whether to enable the image-based lighting.
     *
     * @default true
     * @deprecated Use `scene.setImageBasedLight(null)` to turn it off.
     */
    enabled: boolean;
    /**
     * The URL of the HDR image.
     *
     * @default defaultEnvUrl from assets/maps/env/default.hdr
     * @deprecated Use `scene.setImageBasedLight({ image })`.
     */
    imageUrl: string;
    /**
     * Whether to use the HDR image as a background image.
     *
     * @default false
     * @deprecated Use `scene.setBackground({ image, rotation })`.
     */
    useAsBackground: boolean;
    /**
     * The rotation of the HDR image in radians.
     *
     * @default 0
     * @deprecated Use `scene.setImageBasedLight({ rotation })`.
     */
    rotateY: number;
};
/**
 * @deprecated Use `DIVEImageBasedLightDefaultSettings`.
 */
export declare const DIVEEnvironmentDefaultSettings: DIVEEnvironmentSettings;
/**
 * The old way to set the image based light and to show its image as the
 * background. Only forwards to the scene, which the renderer bakes from.
 *
 * @deprecated Use `scene.setImageBasedLight` and `scene.setBackground`.
 */
export declare class DIVEEnvironment {
    private _scene;
    private _useAsBackground;
    /** the background to go back to once the image is no longer shown */
    private _backgroundBefore;
    /** the newest image request made here */
    private _imageLoad;
    /**
     * @param _renderer - Unused; the renderer bakes from the scene itself.
     * @param scene - The scene to forward to.
     * @param options - Applied to the scene; what is left out stays as the
     * scene has it.
     */
    constructor(_renderer: WebGPURenderer, scene: DIVEScene, options?: Partial<DIVEEnvironmentSettings>);
    /**
     * Resolves once the image requested here has loaded.
     *
     * @deprecated The renderer applies the scene's image based light itself.
     */
    initAsync(): Promise<void>;
    /**
     * Does nothing, the scene owns everything forwarded to it.
     *
     * @deprecated The renderer frees what it baked itself.
     */
    dispose(): void;
    /**
     * Does nothing, the renderer applies changes on its next frame.
     *
     * @deprecated The renderer applies the scene's image based light itself.
     */
    update(): void;
    /**
     * Does nothing, the renderer rebakes on a new canvas itself.
     *
     * @deprecated The renderer rebakes on a new canvas itself.
     */
    setRenderer(_renderer: WebGPURenderer): void;
    /**
     * Sets the image of the image based light, and of the background while
     * the image is used as one.
     *
     * @param url - The URL of the image, `null` for the default HDR.
     * @deprecated Use `scene.setImageBasedLight({ image })`.
     */
    setImageUrl(url: string | null): Promise<void>;
    /**
     * Rotates the image based light, and the background if it is an image.
     *
     * @param radians - The rotation around Y.
     * @deprecated Use `scene.setImageBasedLight({ rotation })` and
     * `scene.setBackground({ image, rotation })`.
     */
    setRotationY(radians: number): void;
    /**
     * Shows the image of the image based light as the background, or goes
     * back to the background from before.
     *
     * @param useAsBackground - Whether to show the image.
     * @deprecated Use `scene.setBackground({ image, rotation })`.
     */
    setUseAsBackground(useAsBackground: boolean): void;
    /** puts the light's image on the background, which shares its load */
    private _showImage;
    /** logs a failure nobody awaits and settles either way */
    private _reportFailure;
}