import type { IGLTFRuntime } from "./glTFLoaderInterfaces";
import type { Nullable } from "@babylonjs/core/types.js";
import { Material } from "@babylonjs/core/Materials/material.js";
import { Texture } from "@babylonjs/core/Materials/Textures/texture.js";
import type { ISceneLoaderAsyncResult, ISceneLoaderProgressEvent } from "@babylonjs/core/Loading/sceneLoader.js";
import type { Scene } from "@babylonjs/core/scene.js";
import type { IGLTFLoader, IGLTFLoaderData } from "../glTFFileLoader";
import type { AssetContainer } from "@babylonjs/core/assetContainer.js";
/**
 * Implementation of the base glTF spec
 * @internal
 */
export declare class GLTFLoaderBase {
    static CreateRuntime(parsedData: any, scene: Scene, rootUrl: string): IGLTFRuntime;
    static LoadBufferAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (buffer: ArrayBufferView) => void, onError: (message: string) => void, onProgress?: () => void): void;
    static LoadTextureBufferAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (buffer: Nullable<ArrayBufferView>) => void, onError: (message: string) => void): void;
    static CreateTextureAsync(gltfRuntime: IGLTFRuntime, id: string, buffer: Nullable<ArrayBufferView>, onSuccess: (texture: Texture) => void): void;
    static LoadShaderStringAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (shaderString: string | ArrayBuffer) => void, onError?: (message: string) => void): void;
    static LoadMaterialAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (material: Material) => void, onError: (message: string) => void): void;
}
/**
 * glTF V1 Loader
 * @internal
 * @deprecated
 */
export declare class GLTFLoader implements IGLTFLoader {
    static Extensions: {
        [name: string]: GLTFLoaderExtension;
    };
    static RegisterExtension(extension: GLTFLoaderExtension): void;
    dispose(): void;
    private _importMeshAsync;
    /**
     * Imports one or more meshes from a loaded gltf file and adds them to the scene
     * @param meshesNames a string or array of strings of the mesh names that should be loaded from the file
     * @param scene the scene the meshes should be added to
     * @param assetContainer defines the asset container to use (can be null)
     * @param data gltf data containing information of the meshes in a loaded file
     * @param rootUrl root url to load from
     * @param onProgress event that fires when loading progress has occured
     * @returns a promise containg the loaded meshes, particles, skeletons and animations
     */
    importMeshAsync(meshesNames: any, scene: Scene, assetContainer: Nullable<AssetContainer>, data: IGLTFLoaderData, rootUrl: string, onProgress?: (event: ISceneLoaderProgressEvent) => void): Promise<ISceneLoaderAsyncResult>;
    private _loadAsync;
    /**
     * Imports all objects from a loaded gltf file and adds them to the scene
     * @param scene the scene the objects should be added to
     * @param data gltf data containing information of the meshes in a loaded file
     * @param rootUrl root url to load from
     * @param onProgress event that fires when loading progress has occured
     * @returns a promise which completes when objects have been loaded to the scene
     */
    loadAsync(scene: Scene, data: IGLTFLoaderData, rootUrl: string, onProgress?: (event: ISceneLoaderProgressEvent) => void): Promise<void>;
    private _loadShadersAsync;
    private _loadBuffersAsync;
    private _createNodes;
}
/** @internal */
export declare abstract class GLTFLoaderExtension {
    private _name;
    constructor(name: string);
    get name(): string;
    /**
     * Defines an override for loading the runtime
     * Return true to stop further extensions from loading the runtime
     * @param scene
     * @param data
     * @param rootUrl
     * @param onSuccess
     * @param onError
     * @returns true to stop further extensions from loading the runtime
     */
    loadRuntimeAsync(scene: Scene, data: IGLTFLoaderData, rootUrl: string, onSuccess?: (gltfRuntime: IGLTFRuntime) => void, onError?: (message: string) => void): boolean;
    /**
     * Defines an onverride for creating gltf runtime
     * Return true to stop further extensions from creating the runtime
     * @param gltfRuntime
     * @param onSuccess
     * @param onError
     * @returns true to stop further extensions from creating the runtime
     */
    loadRuntimeExtensionsAsync(gltfRuntime: IGLTFRuntime, onSuccess: () => void, onError?: (message: string) => void): boolean;
    /**
     * Defines an override for loading buffers
     * Return true to stop further extensions from loading this buffer
     * @param gltfRuntime
     * @param id
     * @param onSuccess
     * @param onError
     * @param onProgress
     * @returns true to stop further extensions from loading this buffer
     */
    loadBufferAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (buffer: ArrayBufferView) => void, onError: (message: string) => void, onProgress?: () => void): boolean;
    /**
     * Defines an override for loading texture buffers
     * Return true to stop further extensions from loading this texture data
     * @param gltfRuntime
     * @param id
     * @param onSuccess
     * @param onError
     * @returns true to stop further extensions from loading this texture data
     */
    loadTextureBufferAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (buffer: ArrayBufferView) => void, onError: (message: string) => void): boolean;
    /**
     * Defines an override for creating textures
     * Return true to stop further extensions from loading this texture
     * @param gltfRuntime
     * @param id
     * @param buffer
     * @param onSuccess
     * @param onError
     * @returns true to stop further extensions from loading this texture
     */
    createTextureAsync(gltfRuntime: IGLTFRuntime, id: string, buffer: ArrayBufferView, onSuccess: (texture: Texture) => void, onError: (message: string) => void): boolean;
    /**
     * Defines an override for loading shader strings
     * Return true to stop further extensions from loading this shader data
     * @param gltfRuntime
     * @param id
     * @param onSuccess
     * @param onError
     * @returns true to stop further extensions from loading this shader data
     */
    loadShaderStringAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (shaderString: string) => void, onError: (message: string) => void): boolean;
    /**
     * Defines an override for loading materials
     * Return true to stop further extensions from loading this material
     * @param gltfRuntime
     * @param id
     * @param onSuccess
     * @param onError
     * @returns true to stop further extensions from loading this material
     */
    loadMaterialAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (material: Material) => void, onError: (message: string) => void): boolean;
    static LoadRuntimeAsync(scene: Scene, data: IGLTFLoaderData, rootUrl: string, onSuccess?: (gltfRuntime: IGLTFRuntime) => void, onError?: (message: string) => void): void;
    static LoadRuntimeExtensionsAsync(gltfRuntime: IGLTFRuntime, onSuccess: () => void, onError?: (message: string) => void): void;
    static LoadBufferAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (bufferView: ArrayBufferView) => void, onError: (message: string) => void, onProgress?: () => void): void;
    static LoadTextureAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (texture: Texture) => void, onError: (message: string) => void): void;
    static LoadShaderStringAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (shaderData: string | ArrayBuffer) => void, onError: (message: string) => void): void;
    static LoadMaterialAsync(gltfRuntime: IGLTFRuntime, id: string, onSuccess: (material: Material) => void, onError: (message: string) => void): void;
    private static _LoadTextureBufferAsync;
    private static _CreateTextureAsync;
    private static _ApplyExtensions;
}