import GltfLoader from "../../io/GltfLoader";
import { IExtensionFactory, IExtensionInstance } from "../IExtension";
import { IBasisDecoder } from "./basis.types";
/**
 * This extension allows Textures to use the basisu format and Images to have an uri with a .ktx2 extension.
 * This format is useful to reduce texture size and memory usage.
 */
export default class KHR_texture_basisu implements IExtensionFactory {
    readonly decoder: IBasisDecoder;
    readonly name: string;
    /**
     * @param decoder The decoder to use to decode the basis file
     */
    constructor(decoder: IBasisDecoder);
    createInstance(gltfLoader: GltfLoader): IExtensionInstance;
}