import type { Scene } from 'three';
export declare function export_to_stl(scene: Scene, filename: string): Promise<void>;
export declare function export_to_obj(scene: Scene, filename: string): Promise<void>;
export declare function export_to_gltf(scene: Scene, filename: string): Promise<void>;
export declare function export_scene(scene: Scene, format: `stl` | `obj` | `gltf`, filename: string): Promise<void>;