docs: private static int normalisedPort(String scheme, int port) {
          if (port != DEFAULT_PORT) {
              return port;
          }
  
          if (isHttp(scheme)) {
              return DEFAULT_HTTP_PORT;
          }
  
          if (isHttps(scheme)) {
              return DEFAULT_HTTPS_PORT;
          }
  
          return UNKNOWN_PORT;
      }