import { type TextureData } from '../textures/Texture.js';
/**
 * Tests if the given location is a compressed texture container
 * @param url
 * @remarks
 * This function is used to determine if the given image url is a compressed
 * and only supports the following extensions: .ktx and .pvr
 * @returns
 */
export declare function isCompressedTextureContainer(url: string): boolean;
/**
 * Loads a compressed texture container
 * @param url
 * @returns
 */
export declare const loadCompressedTexture: (url: string) => Promise<TextureData>;