code: public void marshall(DeveloperInfo developerInfo, ProtocolMarshaller protocolMarshaller) {
  
          if (developerInfo == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(developerInfo.getDeveloperName(), DEVELOPERNAME_BINDING);
              protocolMarshaller.marshall(developerInfo.getPrivacyPolicy(), PRIVACYPOLICY_BINDING);
              protocolMarshaller.marshall(developerInfo.getEmail(), EMAIL_BINDING);
              protocolMarshaller.marshall(developerInfo.getUrl(), URL_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.