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

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

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

	load(
		urls: string[],
		onLoad?: (texture: CubeTexture) => void,
		onProgress?: (event: ProgressEvent) => void,
		onError?: (event: ErrorEvent) => void
	): CubeTexture;

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