public Collection<JID> getAdmins() {
        return Collections.unmodifiableList(admins);
    }
Returns a collection with the current list of admins. The collection contains the bareJID of
the users with admin affiliation.

@return a collection with the current list of admins.
xmppserver/src/main/java/org/jivesoftware/openfire/muc/MUCRoom.java