docs: public Request<SNSFactorProvider> getSNSFactorProvider() {
  
          String url = baseUrl
                  .newBuilder()
                  .addPathSegments("api/v2/guardian/factors/push-notification/providers/sns")
                  .build()
                  .toString();
          CustomRequest<SNSFactorProvider> request = new CustomRequest<>(client, url, "GET", new TypeReference<SNSFactorProvider>() {
          });
          request.addHeader("Authorization", "Bearer " + apiToken);
          return request;
      }