@Override
        public String toString() {
            return "Occupant " +
                "'" + nickname + '\'' +
                " of room '" + roomName + '\'' +
                " (real JID '" + realJID +
                "', last active " + lastActive +
                ")";
        }
Representation of a user that is an occupant of a chatroom.
xmppserver/src/main/java/org/jivesoftware/openfire/muc/spi/OccupantManager.java