import { Object3D, WonderlandEngine } from "@wonderlandengine/api";
import { PlayerObjects, SceneObjects } from "./scene_objects.js";
export declare function getSceneObjects(engine?: Readonly<WonderlandEngine> | null): SceneObjects | null;
export declare function setSceneObjects(sceneObjects: SceneObjects, engine?: Readonly<WonderlandEngine> | null): void;
export declare function removeSceneObjects(engine?: Readonly<WonderlandEngine> | null): void;
export declare function hasSceneObjects(engine?: Readonly<WonderlandEngine> | null): boolean;
export declare function getRootObject(engine?: Readonly<WonderlandEngine> | null): Object3D | null;
export declare function getSceneObject(engine?: Readonly<WonderlandEngine> | null): Object3D | null;
export declare function getPlayerObjects(engine?: Readonly<WonderlandEngine> | null): PlayerObjects | null;
export declare function getPlayerObject(engine?: Readonly<WonderlandEngine> | null): Object3D | null;
export declare function getPlayerReferenceSpaceObject(engine?: Readonly<WonderlandEngine> | null): Object3D | null;
export declare function getPlayerHeadObject(engine?: Readonly<WonderlandEngine> | null): Object3D | null;