@Override
    protected void addStageInformation(@Nonnull final SessionData data, Element command) {
        //Do nothing since there are no stages
    }
Command that allows to retrieve the number of user sessions at any one moment. That means
that the result will include all connected resources of all users.

@author Gaston Dombiak
xmppserver/src/main/java/org/jivesoftware/openfire/commands/admin/GetNumberUserSessions.java