docs: public void marshall(UsageRecord usageRecord, ProtocolMarshaller protocolMarshaller) {
  
          if (usageRecord == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(usageRecord.getTimestamp(), TIMESTAMP_BINDING);
              protocolMarshaller.marshall(usageRecord.getCustomerIdentifier(), CUSTOMERIDENTIFIER_BINDING);
              protocolMarshaller.marshall(usageRecord.getDimension(), DIMENSION_BINDING);
              protocolMarshaller.marshall(usageRecord.getQuantity(), QUANTITY_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }