import { EventDispatcher, ImageLoader, LoadingManager, TextureLoader, WebGLRenderer } from 'three';
import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader.js';
import { DRACOLoader } from 'three/examples/jsm/loaders/DRACOLoader.js';
import { EXRLoader } from 'three/examples/jsm/loaders/EXRLoader';
import { KTX2Loader } from 'three/examples/jsm/loaders/KTX2Loader.js';
import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader.js';
import { RGBELoader } from 'three/examples/jsm/loaders/RGBELoader.js';
export declare enum ASSET_TYPE {
    GLTF = "GLTF",
    OBJ = "OBJ",
    TEXTURE = "TEXTURE",
    IMAGE = "IMAGE",
    RGBE = "RGBE",
    EXR = "EXR",
    KTX2 = "KTX2",
    AUDIO = "AUDIO"
}
export interface AssetDescriptor {
    url: string;
    type: ASSET_TYPE;
    callback: (asset: any) => void;
}
interface LoadEventData {
    type: 'load';
}
interface ProgressEventData {
    type: 'progress';
    url: string;
    loaded: number;
    total: number;
}
interface ErrorEventData {
    type: 'error';
    url: string;
}
declare type AssetManagerEventMap = {
    load: LoadEventData;
    progress: ProgressEventData;
    error: ErrorEventData;
};
export declare const PRIVATE: unique symbol;
export declare class AssetManager extends EventDispatcher<AssetManagerEventMap> {
    /** @ignore */
    [PRIVATE]: {
        loadingManager: LoadingManager;
        dracoLoader: DRACOLoader;
        ktx2Loader: KTX2Loader;
        rgbEloader: RGBELoader;
        exrLoader: EXRLoader;
        gtlfLoader: GLTFLoader;
        objLoader: OBJLoader;
        textureLoader: TextureLoader;
        imageLoader: ImageLoader;
        initialAssetIds: string[];
        assetMap: Map<string, any>;
    };
    constructor(renderer: WebGLRenderer, initialAssets: Record<string, AssetDescriptor>);
    loadAsset(id: string, descriptor: AssetDescriptor): any;
    getAsset(id: string): any;
    get initialAssetsLoaded(): boolean;
    private setAsset;
    private loadGLTF;
    private loadOBJ;
    private loadTexture;
    private loadImage;
    private loadRGBE;
    private loadEXR;
    private loadKTX2;
}
export {};
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