import { type GLTF, type GLTFLoaderPlugin, GLTFParser } from "three/examples/jsm/loaders/GLTFLoader.js";
import { type ILightDataRegistry } from "../engine_lightdata.js";
import { type SourceIdentifier } from "../engine_types.js";
export declare const EXTENSION_NAME = "NEEDLE_lightmaps";
export declare enum LightmapType {
    Lightmap = 0,
    Skybox = 1,
    Reflection = 2
}
export declare class NEEDLE_lightmaps implements GLTFLoaderPlugin {
    get name(): string;
    private parser;
    private registry;
    private source;
    constructor(parser: GLTFParser, reg: ILightDataRegistry, source: SourceIdentifier);
    afterRoot(_result: GLTF): Promise<void> | null;
    private resolveTexture;
}