docs: public SubscribeForm getSubscriptionOptions(String jid, String subscriptionId) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
          PubSub packet = sendPubsubPacket(createPubsubPacket(Type.get, new OptionsExtension(jid, getId(), subscriptionId)));
          FormNode ext = packet.getExtension(PubSubElementType.OPTIONS);
          return new SubscribeForm(ext.getForm());
      }