threejs-obj-space/js/three.js-master/examples/jsm/WebGL.d.ts

export namespace WEBGL {

	export function isWebGLAvailable(): boolean;
	export function isWebGL2Available(): boolean;
	export function getWebGLErrorMessage(): HTMLElement;
	export function getWebGL2ErrorMessage(): HTMLElement;
	export function getErrorMessage( version: number ): HTMLElement;

}