@types/three/src/textures/CubeTexture.d.ts

import { Texture } from './Texture';
import { Mapping, Wrapping, TextureFilter, PixelFormat, TextureDataType, TextureEncoding } from '../constants';

export class CubeTexture extends Texture {
    /**
     * @param [images=[]]
     * @param [mapping=THREE.CubeReflectionMapping]
     * @param [wrapS=THREE.ClampToEdgeWrapping]
     * @param [wrapT=THREE.ClampToEdgeWrapping]
     * @param [magFilter=THREE.LinearFilter]
     * @param [minFilter=THREE.LinearMipmapLinearFilter]
     * @param [format=THREE.RGBFormat]
     * @param [type=THREE.UnsignedByteType]
     * @param [anisotropy=1]
     * @param [encoding=THREE.LinearEncoding]
     */
    constructor(
        images?: any[], // HTMLImageElement or HTMLCanvasElement
        mapping?: Mapping,
        wrapS?: Wrapping,
        wrapT?: Wrapping,
        magFilter?: TextureFilter,
        minFilter?: TextureFilter,
        format?: PixelFormat,
        type?: TextureDataType,
        anisotropy?: number,
        encoding?: TextureEncoding,
    );

    images: any; // returns and sets the value of Texture.image in the codde ?

    /**
     * @default false
     */
    flipY: boolean;

    readonly isCubeTexture: true;
}