@Override
        public boolean contains(Object o)
        {
            if (o instanceof JID) {
                return users.contains(((JID) o).asBareJID());
            } else {
                return false;
            }
        }
Returns an iterator over the users in this collection.

The returned iterator is <i>weakly consistent</i>.

@return an iterator over the users in this collection
xmppserver/src/main/java/org/jivesoftware/openfire/group/Group.java