|  | // Copyright 2015 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | // http://wicg.github.io/webusb/#interfaces | 
|  |  | 
|  | [ | 
|  | Constructor(USBInterface deviceInterface, octet alternateSetting), | 
|  | RaisesException=Constructor, | 
|  | RuntimeEnabled=WebUSB, | 
|  | ] interface USBAlternateInterface { | 
|  | readonly attribute octet alternateSetting; | 
|  | readonly attribute octet interfaceClass; | 
|  | readonly attribute octet interfaceSubclass; | 
|  | readonly attribute octet interfaceProtocol; | 
|  | readonly attribute DOMString? interfaceName; | 
|  | readonly attribute sequence<USBEndpoint> endpoints; | 
|  | }; |