docs: public void marshall(OfferingTransaction offeringTransaction, ProtocolMarshaller protocolMarshaller) {
  
          if (offeringTransaction == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(offeringTransaction.getOfferingStatus(), OFFERINGSTATUS_BINDING);
              protocolMarshaller.marshall(offeringTransaction.getTransactionId(), TRANSACTIONID_BINDING);
              protocolMarshaller.marshall(offeringTransaction.getOfferingPromotionId(), OFFERINGPROMOTIONID_BINDING);
              protocolMarshaller.marshall(offeringTransaction.getCreatedOn(), CREATEDON_BINDING);
              protocolMarshaller.marshall(offeringTransaction.getCost(), COST_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }