import * as THREE from "three";
/**
 * 获取模型边界线
 * @param sphere - 获取区域
 * @param threshold - 面片间夹角阈值
 * @returns 所有模型边界线
 */
export declare function getEdgesBySphere(object: THREE.Object3D, sphere: THREE.Sphere, threshold?: number): THREE.Line3[];