three.js/src/loaders/ImageBitmapLoader.d.ts

import { Loader } from './Loader';
import { LoadingManager } from './LoadingManager';

export class ImageBitmapLoader extends Loader {

	constructor( manager?: LoadingManager );

	/**
	 * @default { premultiplyAlpha: 'none' }
	 */
	options: undefined | object;

	readonly isImageBitmapLoader: true;

	setOptions( options: object ): ImageBitmapLoader;
	load(
		url: string,
		onLoad?: ( response: ImageBitmap ) => void,
		onProgress?: ( request: ProgressEvent ) => void,
		onError?: ( event: ErrorEvent ) => void
	): any;

	loadAsync( url: string, onProgress?: ( event: ProgressEvent ) => void ): Promise<ImageBitmap>;

}