import { PerspectiveCamera, Scene } from "three";
declare type ComparisonSceneOptions = {
    /**
     * An array of model urls to load
     */
    files: string[];
    /**
     * Optional dom element to attach the orbit controls to. By default this should be the WebGLRenderer.domElement
     */
    domElement?: HTMLElement;
    /**
     * Can be a .hdr or .exr file url
     */
    environment?: string;
};
/**
 * A collection of utility methods for quickly spinning up test environments
 */
export declare class TestSceneUtils {
    /**
     * Use this method to quickly setup a scene to compare multiple models.
     * @example
     * ```ts
     * const files = [
     *    "https://threejs.org/examples/models/gltf/RobotExpressive/RobotExpressive.glb",
     *   "https://threejs.org/examples/models/gltf/Lantern/glTF-Binary/Lantern.glb",
     * ];
     * const { scene, camera } = await TestUtils.createComparisonScene({ files });
     * // this could now be assigned to the Needle Engine Context
     * context.scene = scene;
     * context.mainCamera = camera;
     * ```
     */
    static createComparisonScene(opts: ComparisonSceneOptions): Promise<{
        scene: Scene;
        camera: PerspectiveCamera;
    }>;
}
export {};