docs: public void marshall(UpdateUserRequest updateUserRequest, ProtocolMarshaller protocolMarshaller) {
  
          if (updateUserRequest == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(updateUserRequest.getAccountId(), ACCOUNTID_BINDING);
              protocolMarshaller.marshall(updateUserRequest.getUserId(), USERID_BINDING);
              protocolMarshaller.marshall(updateUserRequest.getLicenseType(), LICENSETYPE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }