docs: public void marshall(Certificates certificates, ProtocolMarshaller protocolMarshaller) {
  
          if (certificates == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(certificates.getClusterCsr(), CLUSTERCSR_BINDING);
              protocolMarshaller.marshall(certificates.getHsmCertificate(), HSMCERTIFICATE_BINDING);
              protocolMarshaller.marshall(certificates.getAwsHardwareCertificate(), AWSHARDWARECERTIFICATE_BINDING);
              protocolMarshaller.marshall(certificates.getManufacturerHardwareCertificate(), MANUFACTURERHARDWARECERTIFICATE_BINDING);
              protocolMarshaller.marshall(certificates.getClusterCertificate(), CLUSTERCERTIFICATE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }