import * as THREE from 'three';
import { GlTF, TextureInfo, Mesh, MeshPrimitive } from './glTF';
import type { GlTFResult } from './type';
import { BaseExtension } from './extensions/base';
import { Fetcher } from '../../../utils/ajax';
import { PBMMeshMaterial } from '../../materials/pbmMeshMaterial';
import { PBMPointCloudMaterial } from '../../materials/pbmPointCloudMaterial';
import { ImageBitmapLike } from '../../../texture/imageBitmap';
type ParserOptions = {
    copyUV2: boolean;
    resourcePath: string;
    search: string;
    fetcher: Fetcher;
};
type SkinEntry = {
    joints: number[];
    inverseBindMatrices?: THREE.BufferAttribute | THREE.InterleavedBufferAttribute;
};
export declare class Parser {
    json: GlTF;
    extensions: Record<string, BaseExtension>;
    options: ParserOptions;
    cache: Map<string, any>;
    disposeSet: Set<{
        dispose?: () => void;
        close?: () => void;
    }>;
    textureSet: Set<THREE.Texture>;
    private nodeNamesUsed;
    constructor(json: GlTF, extensions: Record<string, BaseExtension>, options: ParserOptions);
    dispose(): void;
    markDefs(): void;
    parse(): Promise<GlTFResult>;
    /**
     * https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras
     * @param index
     * @returns
     */
    loadCamera(index: number): Promise<THREE.Camera>;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins
     * @param index
     * @return
     */
    loadSkin(index: number): Promise<SkinEntry>;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations
     * @param index
     */
    loadAnimation(index: number): Promise<THREE.AnimationClip>;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
     * @param index
     * @returns
     */
    loadBuffer(index: number): Promise<ArrayBuffer>;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
     * @param index
     * @returns
     */
    loadBufferView(index: number): Promise<ArrayBuffer>;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors
     * @param index
     */
    loadAccessor(index: number): Promise<THREE.BufferAttribute | THREE.InterleavedBufferAttribute | null>;
    createPrimitiveKey(primitiveDef: MeshPrimitive): string;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry
     * @param primitiveDef
     */
    loadGeometry(primitiveDef: MeshPrimitive): Promise<THREE.BufferGeometry>;
    loadImage(index: number): Promise<ImageBitmapLike>;
    loadMeshPrimitive(meshDef: Mesh, primitiveDef: MeshPrimitive): Promise<THREE.Points | THREE.Line | THREE.Mesh>;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes
     * @param index
     */
    loadMesh(index: number): Promise<THREE.Object3D>;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials
     * @param primitiveDef
     */
    loadMaterial(primitiveDef: MeshPrimitive): Promise<THREE.Material>;
    loadMaterialAsPBMPointCloudMaterial(primitiveDef: MeshPrimitive): Promise<PBMPointCloudMaterial>;
    loadMaterialAsPBMMeshMaterial(primitiveDef: MeshPrimitive): Promise<PBMMeshMaterial>;
    loadMaterialAsLineBasicMaterial(primitiveDef: MeshPrimitive): Promise<THREE.LineBasicMaterial>;
    loadTexture(index: number): Promise<THREE.Texture>;
    /**
     * 当骨骼权重和不足 1 时，可能出现问题。
     * skinnedMesh.normalizeSkinWeights 只能处理非 normalized 的数据。
     * 需要对 normalized 也做检测。
     */
    normalizeSkinWeights(skinnedMesh: THREE.SkinnedMesh): void;
    assignFinalMaterial(mesh: THREE.Points | THREE.Line | THREE.Mesh): void;
    loadNodeAttachments(index: number): Promise<THREE.Object3D>[];
    /**
     * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy
     * @param index
     * @returns
     */
    loadNode(index: number): Promise<THREE.Object3D>;
    /**
     * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes
     * @param index
     */
    loadScene(index: number): Promise<THREE.Group>;
    createMaterialTexture(mapDef: TextureInfo): Promise<THREE.Texture>;
    addGeometryPrimitiveAttributes(geometry: THREE.BufferGeometry, primitiveDef: MeshPrimitive): Promise<THREE.BufferGeometry>;
    buildNodeHierarchy(nodeId: number, parentObject: THREE.Object3D): Promise<THREE.Object3D>;
    resolveResouce(uri: string): string;
    toGeometryTrianglesDrawMode(geometry: THREE.BufferGeometry, drawMode: THREE.TrianglesDrawModes): THREE.BufferGeometry;
}
export {};