import React from 'react';
import * as THREE from 'three';
export declare function useUnscale<T extends THREE.Object3D>(getVector?: (sf: number) => [number, number, number]): React.RefObject<T>;
export declare function useConstantSize<T extends THREE.Object3D>(position: THREE.Vector3, getVector?: (sf: number) => [number, number, number]): React.RefObject<T>;