import * as THREE from "three";
import type { ILodParams, TLevelStrategy, IEdgeParams, IMaskColor } from "./types";
/**
 * 构建模型尺寸
 * @param object
 */
export declare const buildObjectSize: (object: THREE.Object3D) => THREE.Vector3;
/**
 * 构建基本的分级策略
 * @param object 模型
 * @param distance 模型的显示距离
 * @param distance2 替代模型的显示距离
 * @param baseMaterialParams 基础材质参数
 */
export declare const buildBaseStrategy: (object: THREE.Object3D, distance: number, distance2: number, baseMaterialParams?: THREE.MeshStandardMaterialParameters) => THREE.LOD<THREE.Object3DEventMap>;
/**
 * 构建一组分级策略
 * @param levelStrategys 级别策略数组
 * @param lodParams 级别策略的参数
 */
export declare const buildLevelStrategy: (levelStrategys: TLevelStrategy[], lodParams?: ILodParams | undefined) => THREE.LOD<THREE.Object3DEventMap>;
/**
 * 构建模型线框
 * @param model
 * @param params
 */
export declare const buildEdge: (model: THREE.Object3D, params?: IEdgeParams | undefined) => void;
/**
 * 构建模型蒙版材质
 * @param model
 * @param params
 */
export declare const setMaskColorMaterial: (model: THREE.Object3D, params: IMaskColor) => void;
/**
 * 恢复模型蒙版材质
 * @param model
 */
export declare const recoverMaskColorMaterial: (model: THREE.Object3D) => void;