backend/libs/three/loaders/CompressedTextureLoader.d.ts

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

export class CompressedTextureLoader extends Loader {
	constructor(manager?: LoadingManager);

	load(
		url: string,
		onLoad: (texture: CompressedTexture) => void,
		onProgress?: (event: ProgressEvent) => void,
		onError?: (event: ErrorEvent) => void
	): CompressedTexture;

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