/**
   * Release any resources held by this dispatcher. Any requests that are currently being dispatched
   * should return immediately. Responses returned after shutdown will not be transmitted: their
   * socket connections have already been closed.
   */
  public open override fun close() {}

    this.failFastResponse = failFastResponse
  }

  private companion object {
    /**
     * Enqueued on shutdown to release threads waiting on [dispatch]. Note that this response
     * isn't transmitted because the connection is closed before this response is returned.
     */
    private val DEAD_LETTER = MockResponse(code = HTTP_UNAVAILABLE)

    private val logger = Logger.getLogger(QueueDispatcher::class.java.name)
  }

| `minio_node_if_rx_errors_max` | Receive errors in 60s (max).                               |
| `minio_node_if_tx_bytes`      | Bytes transmitted in 60s.                                  |
| `minio_node_if_tx_bytes_avg`  | Bytes transmitted in 60s (avg).                            |
| `minio_node_if_tx_bytes_max`  | Bytes transmitted in 60s (max).                            |
| `minio_node_if_tx_errors`     | Transmit errors in 60s.                                    |

  /** Flush the request to the underlying socket. */
  @Throws(IOException::class)
  fun flushRequest()

  /** Flush the request to the underlying socket and signal no more bytes will be transmitted. */
  @Throws(IOException::class)
  fun finishRequest()

  /**
   * Parses bytes of a response header from an HTTP transport.
   *

        }
        return CacheStrategy(null, builder.build())
      }

      // Find a condition to add to the request. If the condition is satisfied, the response body
      // will not be transmitted.
      val conditionName: String
      val conditionValue: String?
      when {
        etag != null -> {
          conditionName = "If-None-Match"
          conditionValue = etag
        }

     */
    fun cacheUrlOverride(cacheUrlOverride: HttpUrl?) =
      apply {
        this.cacheUrlOverride = cacheUrlOverride
      }

    /**
     * Configures this request's body to be compressed when it is transmitted. This also adds the
     * 'Content-Encoding: gzip' header.
     *
     * Only use this method if you have prior knowledge that the receiving server supports
     * gzip-compressed requests.
     *

        inTunnel = true
      }

    /**
     * Adds an HTTP 1xx response to precede this response. Note that this response's
     * [headers delay][headersDelay] applies after this response is transmitted. Set a
     * headers delay on that response to delay its transmission.
     */
    public fun addInformationalResponse(response: MockResponse): Builder =
      apply {
        informationalResponses_ += response

**Network Interceptors**

 * Able to operate on intermediate responses like redirects and retries.
 * Not invoked for cached responses that short-circuit the network.
 * Observe the data just as it will be transmitted over the network.
 * Access to the `Connection` that carries the request.

### Rewriting Requests

	resourceMetricsHelpMap = map[MetricName]string{
		interfaceRxBytes:  "Bytes received on the interface in " + interval,
		interfaceRxErrors: "Receive errors in " + interval,
		interfaceTxBytes:  "Bytes transmitted in " + interval,
		interfaceTxErrors: "Transmit errors in " + interval,
		total:             "Total memory on the node",
		memUsed:           "Used memory on the node",

  /** Outgoing messages and close frames in the order they should be written. */
  private val messageAndCloseQueue = ArrayDeque<Any>()

  /** The total size in bytes of enqueued but not yet transmitted messages. */
  private var queueSize = 0L

  /** True if we've enqueued a close frame. No further message frames will be enqueued. */
  private var enqueuedClose = false