try {
        logger.fine("$this starting to accept connections")
        acceptConnections()
      } catch (e: Throwable) {
        logger.log(Level.WARNING, "$this failed unexpectedly", e)
      }

      // Release all sockets and all threads, even if any close fails.
      serverSocket?.closeQuietly()

      val openClientSocket = openClientSockets.iterator()

  @Throws(IOException::class)
  fun shutdown() {
    delegate.shutdown()
  }

  @Synchronized override fun after() {
    try {
      shutdown()
    } catch (e: IOException) {
      logger.log(Level.WARNING, "MockWebServer shutdown failed", e)
    }
  }

  override fun toString(): String = delegate.toString()

  @Throws(IOException::class)
  override fun close() = delegate.close()

  companion object {