code: private void addPostParams(final Request request) {
          if (availableAddOnSid != null) {
              request.addPostParam("AvailableAddOnSid", availableAddOnSid);
          }
  
          if (acceptTermsOfService != null) {
              request.addPostParam("AcceptTermsOfService", acceptTermsOfService.toString());
          }
  
          if (configuration != null) {
              request.addPostParam("Configuration", Converter.mapToJson(configuration));
          }
  
          if (uniqueName != null) {
              request.addPostParam("UniqueName", uniqueName);
          }
      }
docs: Add the requested post parameters to the Request.
  
  @param request Request to add post params to