code: public Request<TwilioFactorProvider> getTwilioFactorProvider() {
  
          String url = baseUrl
                  .newBuilder()
                  .addPathSegments("api/v2/guardian/factors/sms/providers/twilio")
                  .build()
                  .toString();
          CustomRequest<TwilioFactorProvider> request = new CustomRequest<>(client, url, "GET", new TypeReference<TwilioFactorProvider>() {
          });
          request.addHeader("Authorization", "Bearer " + apiToken);
          return request;
      }
docs: Request Guardian's Twilio SMS Factor Provider settings. A token with scope read:guardian_factors is needed.
  
  @return a Request to execute.
  @see <a href="https://auth0.com/docs/api/management/v2#!/Guardian/get_twilio">Management API2 docs</a>