) : ServerSocketFactory() {
  @Throws(IOException::class)
  override fun createServerSocket(): ServerSocket {
    val serverSocket = delegate.createServerSocket()
    return configureServerSocket(serverSocket)
  }

  @Throws(IOException::class)
  override fun createServerSocket(port: Int): ServerSocket {
    val serverSocket = delegate.createServerSocket(port)
    return configureServerSocket(serverSocket)
  }

    }
  }

  private fun startTlsServer(): InetSocketAddress {
    val serverSocketFactory = ServerSocketFactory.getDefault()
    serverSocket = serverSocketFactory.createServerSocket()
    val serverAddress = InetAddress.getByName("localhost")
    serverSocket!!.bind(InetSocketAddress(serverAddress, 0), 50)
    return InetSocketAddress(serverAddress, serverSocket!!.localPort)
  }

        serverSocketFactory_
          ?: (ServerSocketFactory.getDefault()!!.also { this.serverSocketFactory_ = it })

      val serverSocket =
        serverSocketFactory
          .createServerSocket()!!
          .also { this.serverSocket = it }

      // Reuse if the user specified a port
      serverSocket.reuseAddress = socketAddress.port != 0
      serverSocket.bind(socketAddress, 50)