code: @Deprecated
      public static boolean isSupported(Jid jid, XMPPConnection connection) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException  {
          return VCardManager.getInstanceFor(connection).isSupported(jid);
      }
docs: Returns true if the given entity understands the vCard-XML format and allows the exchange of such.
  
  @param jid
  @param connection
  @return true if the given entity understands the vCard-XML format and exchange.
  @throws XMPPErrorException
  @throws NoResponseException
  @throws NotConnectedException
  @throws InterruptedException
  @deprecated use {@link #isSupported(Jid)} instead.