import type { Color } from "../math/Color.ts";
import type { Fog } from "../scenes/Fog.ts";
import { Node } from "./Node.ts";
/** Root node of a scene graph, holds background and fog. */
export declare class Scene extends Node {
    type: string;
    /**
     * When true, the renderer calls updateMatrixWorld() on the scene
     * before traversal -- matching THREE.js behaviour.
     */
    autoUpdate: boolean;
    /** Scene-level fog. Set to a Fog instance or undefined. */
    fog: Fog | undefined;
    /**
     * Background color painted before any geometry. Accepts a Color instance,
     * a hex number (e.g. 0xff0000), or undefined (falls back to setClearColor).
     */
    background: Color | number | undefined;
    clone(): Scene;
}
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