/**
 * Resource handler for the `texture` asset type. Loads 2D and 3D {@link Texture} resources from
 * any image format the browser decodes, such as PNG, JPEG, WebP and AVIF, and from DDS, KTX,
 * KTX2, Basis and HDR files.
 *
 * @category Asset
 */
export class TextureHandler extends ResourceHandler {
    /**
     * Create a new TextureHandler instance.
     *
     * @param {AppBase} app - The running {@link AppBase}.
     * @ignore
     */
    constructor(app: AppBase);
    _device: import("../../index.js").GraphicsDevice;
    imgParser: ImgParser;
    set crossOrigin(value: string);
    get crossOrigin(): string;
    _getTextureOptions(asset: any): {
        profilerHint: number;
    };
    open(url: any, data: any, asset: any): any;
    patch(asset: any, assets: any): void;
}
/**
 * Returns whether the texture of a texture asset is sRGB, and its type, which together decide how
 * a shader decodes the texture. These are known before the asset loads: its data specifies them,
 * unless its per-load texture options override them.
 *
 * A few files decide these themselves, and are only known once loaded: a KTX file storing an sRGB
 * format when the asset data does not specify srgb, a basis normal map which the transcoder
 * unswizzles, and a DXT5 normal map.
 *
 * @param {Asset} asset - The texture asset.
 * @returns {{srgb: boolean, type: string}} Whether the texture is sRGB, and its type.
 * @ignore
 */
export function getTextureAssetEncoding(asset: Asset): {
    srgb: boolean;
    type: string;
};
import { ResourceHandler } from './handler.js';
import { ImgParser } from '../parsers/texture/img.js';
import type { AppBase } from '../app-base.js';
import type { Asset } from '../asset/asset.js';