docs: public void marshall(CreateActivationRequest createActivationRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (createActivationRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(createActivationRequest.getDescription(), DESCRIPTION_BINDING);
              protocolMarshaller.marshall(createActivationRequest.getDefaultInstanceName(), DEFAULTINSTANCENAME_BINDING);
              protocolMarshaller.marshall(createActivationRequest.getIamRole(), IAMROLE_BINDING);
              protocolMarshaller.marshall(createActivationRequest.getRegistrationLimit(), REGISTRATIONLIMIT_BINDING);
              protocolMarshaller.marshall(createActivationRequest.getExpirationDate(), EXPIRATIONDATE_BINDING);
              protocolMarshaller.marshall(createActivationRequest.getTags(), TAGS_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }