code: private void addQueryParams(final Request request) {
          if (status != null) {
              request.addQueryParam("Status", status.toString());
          }
  
          if (phoneNumber != null) {
              request.addQueryParam("PhoneNumber", phoneNumber.toString());
          }
  
          if (incomingPhoneNumberSid != null) {
              request.addQueryParam("IncomingPhoneNumberSid", incomingPhoneNumberSid);
          }
  
          if (friendlyName != null) {
              request.addQueryParam("FriendlyName", friendlyName);
          }
  
          if (uniqueName != null) {
              request.addQueryParam("UniqueName", uniqueName);
          }
  
          if (getPageSize() != null) {
              request.addQueryParam("PageSize", Integer.toString(getPageSize()));
          }
      }
docs: Add the requested query string arguments to the Request.
  
  @param request Request to add query string arguments to