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

import {
	WebGLRenderer
} from '../../../src/Three';

export interface WebXROptions {
	referenceSpaceType: string;
}

export namespace VRButton {
	export function createButton( renderer: WebGLRenderer, options?: WebXROptions ): HTMLElement;
}