code: public List<Affiliate> getOwners() throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
          return getAffiliatesByAdmin(MUCAffiliation.owner);
      }
docs: Returns a list of <code>Affiliate</code> with the room owners.
  
  @return a list of <code>Affiliate</code> with the room owners.
  @throws XMPPErrorException if you don't have enough privileges to get this information.
  @throws NoResponseException if there was no response from the server.
  @throws NotConnectedException
  @throws InterruptedException