import * as THREE from 'three';
import * as xb from 'xrblocks';
import type { GLTF } from 'three/addons/loaders/GLTFLoader.js';
export declare class GlassesModelManager extends xb.Script {
    private _modelUrl;
    defaultPosition: THREE.Vector3;
    defaultRotation: THREE.Euler;
    defaultScale: THREE.Vector3;
    xrPosition: THREE.Vector3;
    xrRotation: THREE.Euler;
    xrScale: THREE.Vector3;
    private glassesModel?;
    private runningInXrHeadset;
    get modelUrl(): string;
    set modelUrl(url: string);
    updateTransform(): void;
    init(): Promise<void>;
    protected loadGlassesModel(): Promise<void>;
    protected positionGlassesModel(): void;
    protected setXrHeadset(enabled: boolean): void;
    update(): void;
    dispose(): void;
    private removeAndDisposeModel;
    get model(): GLTF | undefined;
}