* Closes this connection. This cancels all open streams and unanswered pings. It closes the
   * underlying input and output streams and shuts down internal task queues.
   */
  override fun close() {
    close(ErrorCode.NO_ERROR, ErrorCode.CANCEL, null)
  }

  internal fun close(
    connectionCode: ErrorCode,
    streamCode: ErrorCode,
    cause: IOException?,
  ) {
    assertLockNotHeld()

    ignoreIoExceptions {

        } else {
          socket.close()
        }
      }

      ShutdownConnection -> {
        if (stream != null) {
          stream.connection.shutdown(ErrorCode.NO_ERROR)
        } else {
          socket.close()
        }
      }

      is CloseSocket -> {
        if (effect.shutdownInput) socket.shutdownInput()
        if (effect.shutdownOutput) socket.shutdownOutput()