code: public void marshall(CACertificate cACertificate, ProtocolMarshaller protocolMarshaller) {
  
          if (cACertificate == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(cACertificate.getCertificateArn(), CERTIFICATEARN_BINDING);
              protocolMarshaller.marshall(cACertificate.getCertificateId(), CERTIFICATEID_BINDING);
              protocolMarshaller.marshall(cACertificate.getStatus(), STATUS_BINDING);
              protocolMarshaller.marshall(cACertificate.getCreationDate(), CREATIONDATE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.