val isResponseComplete: Boolean

  /** The socket that carries this exchange. */
  val socket: Socket

  /** Returns an output stream where the request body can be streamed. */
  @Throws(IOException::class)
  fun createRequestBody(
    request: Request,
    contentLength: Long,
  ): Sink

  /** This should update the HTTP engine's sentRequestMillis field. */

...
```

### Encrypted/Object locked objects

It uses a single two-way connection to send and receive messages between servers.

It includes built in muxing of concurrent requests as well as congestion handling for streams.

Requests can be "Single Payload" or "Streamed".

Use the MinIO Grid for:

* Small, frequent requests with low latency requirements.
* Long-running requests with small/medium payloads.

Do *not* use the MinIO Grid for:

* Large payloads.

      inFinished: Boolean,
      streamId: Int,
      source: BufferedSource,
      length: Int,
    ) {
      check(type == -1)
      this.type = Http2.TYPE_DATA
      this.inFinished = inFinished
      this.streamId = streamId
      this.data = source.readByteString(length.toLong()).toByteArray()
    }

    override fun rstStream(
      streamId: Int,
      errorCode: ErrorCode,
    ) {

    check(acknowledged >= 0)

    this.total += total
    this.acknowledged += acknowledged

    check(this.acknowledged <= this.total)
  }

  override fun toString(): String =
    "WindowCounter(streamId=$streamId, total=$total, acknowledged=$acknowledged, unacknowledged=$unacknowledged)"

interface PushObserver {
  /**
   * Describes the request that the server intends to push a response for.
   *
   * @param streamId server-initiated stream ID: an even number.
   * @param requestHeaders minimally includes `:method`, `:scheme`, `:authority`,
   * and `:path`.
   */
  fun onRequest(
    streamId: Int,
    requestHeaders: List<Header>,
  ): Boolean

  /**

  override fun data(
    inFinished: Boolean,
    streamId: Int,
    source: BufferedSource,
    length: Int,
  ) {
    fail("")
  }

  override fun headers(
    inFinished: Boolean,
    streamId: Int,
    associatedStreamId: Int,
    headerBlock: List<Header>,
  ) {
    fail("")
  }

  override fun rstStream(
    streamId: Int,
    errorCode: ErrorCode,
  ) {
    fail("")
  }

  /**
   * Notification that the receiving stream flow control window has changed.
   * [WindowCounter] generally carries the client view of total and acked bytes.
   */
  fun receivingStreamWindowChanged(
    streamId: Int,
    windowCounter: WindowCounter,
    bufferSize: Long,
  )

  /**
   * Notification that the receiving connection flow control window has changed.

   *
   * ```
   * direction streamID length type flags
   * ```
   *
   * Where direction is `<<` for inbound and `>>` for outbound.
   *
   * For example, the following would indicate a HEAD request sent from the client.
   * ```
   * `<< 0x0000000f    12 HEADERS       END_HEADERS|END_STREAM
   * ```
   */
  fun frameLog(
    inbound: Boolean,
    streamId: Int,
    length: Int,
    type: Int,

    // Missing timezones treated as bad.
    assertThat("Thu, 01 Jan 1970 00:00:00".toHttpDateOrNull()).isNull()
    // Missing seconds treated as bad.
    assertThat("Thu, 01 Jan 1970 00:00 GMT".toHttpDateOrNull()).isNull()
    // Extra spaces treated as bad.
    assertThat("Thu,  01 Jan 1970 00:00 GMT".toHttpDateOrNull()).isNull()
    // Missing leading zero treated as bad.