export class KTX2Loader extends Loader<any, string> {
    constructor(manager: any);
    transcoderPath: string;
    transcoderBinary: string | ArrayBuffer | null;
    transcoderPending: Promise<void> | null;
    workerPool: WorkerPool;
    workerSourceURL: string;
    workerConfig: {
        astcSupported: any;
        astcHDRSupported: boolean;
        etc1Supported: any;
        etc2Supported: any;
        dxtSupported: any;
        bptcSupported: any;
        pvrtcSupported: any;
    } | {
        astcSupported: any;
        astcHDRSupported: boolean;
        etc1Supported: any;
        etc2Supported: any;
        dxtSupported: any;
        bptcSupported: any;
        pvrtcSupported: any;
    } | {
        astcSupported: any;
        astcHDRSupported: any;
        etc1Supported: any;
        etc2Supported: any;
        dxtSupported: any;
        bptcSupported: any;
        pvrtcSupported: any;
    } | null;
    setTranscoderPath(path: any): this;
    setWorkerLimit(num: any): this;
    detectSupportAsync(renderer: any): Promise<this>;
    detectSupport(renderer: any): this;
    init(): Promise<void>;
    load(url: any, onLoad: any, onProgress: any, onError: any): void;
    parse(buffer: any, onLoad: any, onError: any): any;
    _createTextureFrom(transcodeResult: any, container: any): Promise<never> | CompressedTexture;
    /**
     * @param {ArrayBuffer} buffer
     * @param {?Object} config
     * @return {Promise<CompressedTexture|CompressedArrayTexture|DataTexture|Data3DTexture>}
     */
    _createTexture(buffer: ArrayBuffer, config?: Object | null): Promise<CompressedTexture | CompressedArrayTexture | DataTexture | Data3DTexture>;
    dispose(): this;
}
export namespace KTX2Loader {
    namespace BasisFormat {
        let ETC1S: number;
        let UASTC: number;
        let UASTC_HDR: number;
    }
    namespace TranscoderFormat {
        let ETC1: number;
        let ETC2: number;
        let BC1: number;
        let BC3: number;
        let BC4: number;
        let BC5: number;
        let BC7_M6_OPAQUE_ONLY: number;
        let BC7_M5: number;
        let PVRTC1_4_RGB: number;
        let PVRTC1_4_RGBA: number;
        let ASTC_4x4: number;
        let ATC_RGB: number;
        let ATC_RGBA_INTERPOLATED_ALPHA: number;
        let RGBA32: number;
        let RGB565: number;
        let BGR565: number;
        let RGBA4444: number;
        let BC6H: number;
        let RGB_HALF: number;
        let RGBA_HALF: number;
    }
    namespace EngineFormat {
        export { RGBAFormat };
        export { RGBA_ASTC_4x4_Format };
        export { RGB_BPTC_UNSIGNED_Format };
        export { RGBA_BPTC_Format };
        export { RGBA_ETC2_EAC_Format };
        export { RGBA_PVRTC_4BPPV1_Format };
        export { RGBA_S3TC_DXT5_Format };
        export { RGB_ETC1_Format };
        export { RGB_ETC2_Format };
        export { RGB_PVRTC_4BPPV1_Format };
        export { RGBA_S3TC_DXT1_Format };
    }
    namespace EngineType {
        export { UnsignedByteType };
        export { HalfFloatType };
        export { FloatType };
    }
    function BasisWorker(): void;
}
import { Loader } from 'three';
import { WorkerPool } from '../utils/WorkerPool.js';
import { CompressedTexture } from 'three';
import { CompressedArrayTexture } from 'three';
import { DataTexture } from 'three';
import { Data3DTexture } from 'three';
import { RGBAFormat } from 'three';
import { RGBA_ASTC_4x4_Format } from 'three';
import { RGB_BPTC_UNSIGNED_Format } from 'three';
import { RGBA_BPTC_Format } from 'three';
import { RGBA_ETC2_EAC_Format } from 'three';
import { RGBA_PVRTC_4BPPV1_Format } from 'three';
import { RGBA_S3TC_DXT5_Format } from 'three';
import { RGB_ETC1_Format } from 'three';
import { RGB_ETC2_Format } from 'three';
import { RGB_PVRTC_4BPPV1_Format } from 'three';
import { RGBA_S3TC_DXT1_Format } from 'three';
import { UnsignedByteType } from 'three';
import { HalfFloatType } from 'three';
import { FloatType } from 'three';