/** The total number of bytes produced by the application. */
  var writeBytesTotal = 0L
    internal set

  /** The total number of bytes permitted to be produced by incoming `WINDOW_UPDATE` frame. */
  var writeBytesMaximum: Long = connection.peerSettings.initialWindowSize.toLong()
    internal set

  /** Received headers yet to be [taken][takeHeaders]. */
  private val headersQueue = ArrayDeque<Headers>()

        nextStreamId += 2
        stream = Http2Stream(streamId, this, outFinished, inFinished, null)
        flushHeaders = !out ||
          writeBytesTotal >= writeBytesMaximum ||
          stream.writeBytesTotal >= stream.writeBytesMaximum
        if (stream.isOpen) {
          streams[streamId] = stream
        }
      }
      if (associatedStreamId == 0) {