docs: private static boolean isKeySupported(String key) {
          if (Arrays.asList(SUPPORTED_KEYS).contains(key))
              return true;
          if (key.endsWith(URL_SUFFIX) || key.endsWith(APIKEY_SUFFIX) ||
              key.endsWith(USER_SUFFIX) || key.endsWith(PWD_SUFFIX) || key.endsWith(USERPWD_SUFFIX))
              return true;
          return false;
      }