code: public void marshall(MeterUsageRequest meterUsageRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (meterUsageRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(meterUsageRequest.getProductCode(), PRODUCTCODE_BINDING);
              protocolMarshaller.marshall(meterUsageRequest.getTimestamp(), TIMESTAMP_BINDING);
              protocolMarshaller.marshall(meterUsageRequest.getUsageDimension(), USAGEDIMENSION_BINDING);
              protocolMarshaller.marshall(meterUsageRequest.getUsageQuantity(), USAGEQUANTITY_BINDING);
              protocolMarshaller.marshall(meterUsageRequest.getDryRun(), DRYRUN_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.