docs: public URL buildWithQuery(String base, String queryString, Object... values) {
          String urlString = String.format(base + this.template, values) + queryString;
          URL url = null;
          try {
              url = new URL(urlString);
          } catch (MalformedURLException e) {
              assert false : "An invalid URL template indicates a bug in the SDK.";
          }
  
          return url;
      }