From github source
https://github.com/SenchaArchitect/T.../TicketForm.js
or
https://github.com/SenchaArchitect/T...tFormWindow.js
...
have comments:

Code:
/*

 * File: app/view/TicketForm.js

 *
 * This file was generated by Sencha Architect version 2.2.0.
 * http://www.sencha.com/products/architect/
 *
 * 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 http://www.sencha.com/license or contact license@sencha.com.
 *
 * 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?