private static @NotNull ServerSocket createServerSocketOnLoopbackAddress(int serverLocalPort) {
    try {
      return new ServerSocket(serverLocalPort, 0, InetAddress.getLoopbackAddress());
    }
    catch (IOException e) {
      throw new RuntimeException(e.getMessage(), e);
    }
  }
private static @NotNull ServerSocket createServerSocketOnLoopbackAddress(int serverLocalPort)