docs: public void marshall(SamplingTargetDocument samplingTargetDocument, ProtocolMarshaller protocolMarshaller) {
  
          if (samplingTargetDocument == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(samplingTargetDocument.getRuleName(), RULENAME_BINDING);
              protocolMarshaller.marshall(samplingTargetDocument.getFixedRate(), FIXEDRATE_BINDING);
              protocolMarshaller.marshall(samplingTargetDocument.getReservoirQuota(), RESERVOIRQUOTA_BINDING);
              protocolMarshaller.marshall(samplingTargetDocument.getReservoirQuotaTTL(), RESERVOIRQUOTATTL_BINDING);
              protocolMarshaller.marshall(samplingTargetDocument.getInterval(), INTERVAL_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }