import {
  CompressedTexture,
  Loader,
  LoadingManager,
  WebGLRenderer,
} from 'three';

export class BasisTextureLoader extends Loader {
  constructor(manager?: LoadingManager);
  transcoderBinary: ArrayBuffer | null;
  transcoderPath: string;
  transcoderPending: Promise<void> | null;

  workerConfig: {
    format: number;
    astcSupported: boolean;
    etcSupported: boolean;
    dxtSupported: boolean;
    pvrtcSupported: boolean;
  };
  workerLimit: number;
  workerNextTaskID: number;
  workerPool: object[];
  workerSourceURL: string;

  detectSupport(renderer: WebGLRenderer): this;
  load(
    url: string,
    onLoad: (texture: CompressedTexture) => void,
    onProgress?: (event: ProgressEvent) => void,
    onError?: (event: ErrorEvent) => void,
  ): void;
  loadAsync(
    url: string,
    onProgress?: (event: ProgressEvent) => void,
  ): Promise<CompressedTexture>;
  setTranscoderPath(path: string): this;
  setWorkerLimit(workerLimit: number): this;
  dispose(): void;
}