docs: public void marshall(CostTypes costTypes, ProtocolMarshaller protocolMarshaller) {
  
          if (costTypes == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(costTypes.getIncludeTax(), INCLUDETAX_BINDING);
              protocolMarshaller.marshall(costTypes.getIncludeSubscription(), INCLUDESUBSCRIPTION_BINDING);
              protocolMarshaller.marshall(costTypes.getUseBlended(), USEBLENDED_BINDING);
              protocolMarshaller.marshall(costTypes.getIncludeRefund(), INCLUDEREFUND_BINDING);
              protocolMarshaller.marshall(costTypes.getIncludeCredit(), INCLUDECREDIT_BINDING);
              protocolMarshaller.marshall(costTypes.getIncludeUpfront(), INCLUDEUPFRONT_BINDING);
              protocolMarshaller.marshall(costTypes.getIncludeRecurring(), INCLUDERECURRING_BINDING);
              protocolMarshaller.marshall(costTypes.getIncludeOtherSubscription(), INCLUDEOTHERSUBSCRIPTION_BINDING);
              protocolMarshaller.marshall(costTypes.getIncludeSupport(), INCLUDESUPPORT_BINDING);
              protocolMarshaller.marshall(costTypes.getIncludeDiscount(), INCLUDEDISCOUNT_BINDING);
              protocolMarshaller.marshall(costTypes.getUseAmortized(), USEAMORTIZED_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }