import { type IGLTFExporterExtensionV2 } from "../glTFExporterExtension.js";
import { GLTFExporter } from "../glTFExporter.js";
/**
 * [Specification](https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/EXT_texture_webp/README.md)
 */
export declare class EXT_texture_webp implements IGLTFExporterExtensionV2 {
    readonly name = "EXT_texture_webp";
    enabled: boolean;
    required: boolean;
    private _wasUsed;
    get wasUsed(): boolean;
    private _exporter;
    constructor(exporter: GLTFExporter);
    dispose(): void;
    /**
     * Called after a texture is exported to register the encoded image MIME type.
     * @param _ - the name of the exported babylon texture (unused)
     * @param textureInfo - the glTF texture info for the exported texture
     */
    postExportTexture(_: string, textureInfo: BABYLON.GLTF2.ITextureInfo): void;
}
/**
 * Registers the EXT_texture_webp glTF serializer extension with the {@link GLTFExporter}.
 * Safe to call multiple times; only the first call has an effect.
 */
export declare function RegisterEXT_texture_webp(): void;