code: public void marshall(ConferenceProvider conferenceProvider, ProtocolMarshaller protocolMarshaller) {
  
          if (conferenceProvider == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(conferenceProvider.getArn(), ARN_BINDING);
              protocolMarshaller.marshall(conferenceProvider.getName(), NAME_BINDING);
              protocolMarshaller.marshall(conferenceProvider.getType(), TYPE_BINDING);
              protocolMarshaller.marshall(conferenceProvider.getIPDialIn(), IPDIALIN_BINDING);
              protocolMarshaller.marshall(conferenceProvider.getPSTNDialIn(), PSTNDIALIN_BINDING);
              protocolMarshaller.marshall(conferenceProvider.getMeetingSetting(), MEETINGSETTING_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.