From github source
have comments:


 * File: app/view/TicketForm.js

 * This file was generated by Sencha Architect version 2.2.0.
 * This file requires use of the Ext JS 4.2.x library, under independent license.
 * License of Sencha Architect does not include license for Ext JS 4.2.x. For more
 * details see or contact
 * This file will be auto-generated each and everytime you save your project.
 * Do NOT hand edit this file.
Where can we get Sencha Architect version 2.2.0?