private var nextHeaderIndex = dynamicTable.size - 1

      @JvmField var headerCount = 0

      @JvmField var dynamicTableByteCount = 0

      fun getAndResetHeaderList(): List<Header> {
        val result = headerList.toList()
        headerList.clear()
        headerListByteCount = 0L
        return result
      }

    // TODO: Concat multi-value headers with 0x0, except COOKIE, which uses 0x3B, 0x20.
    // http://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-8.1.2.5
    hpackReader.readHeaders()
    return hpackReader.getAndResetHeaderList()
  }

  @Throws(IOException::class)
  private fun readData(
    handler: Handler,
    length: Int,
    flags: Int,
    streamId: Int,
  ) {