JSON Service API from Javascript

• Type: Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: 6.2.0 CE M4
• Fix Version/s: 6.2.0 CE M4
• Component/s: Frontend Infrastructure, Web Services
• Labels:
  • community-verifier
• Environment: RHEL 6.4, Tomcat

Javascript namespace Liferay.Service.* seems to be absent in 6.2M4

html/js/liferay/ext_service.js - is non-existent.

Has this been deprecated, relocated, other? What is my upgrade patch for our integration which uses calls like:
Liferay.Service.MB.MBCategory.getCategories