subsystem is not working 

I am using jboss-datagrid-server-6.1.0, but subsystem jboss:datagrid:infinispan:6.1 is not wokring.
Is infinispan:server:core:5.2 appropriate?
I checked below the document.
https://access.redhat.com/site/documentation/en-US/JBoss_Data_Grid/6.1/html/Getting_Started_Guide/Build_the_Football_Application.html