val name = getName(index)
        val value = readByteString()
        headerList.add(Header(name, value))
      }

      @Throws(IOException::class)
      private fun readLiteralHeaderWithoutIndexingNewName() {
        val name = checkLowercase(readByteString())
        val value = readByteString()
        headerList.add(Header(name, value))
      }

      listSource().buffer().use { bufferedSource ->
        val totalBytes = bufferedSource.readInt()
        publicSuffixListBytes = bufferedSource.readByteString(totalBytes.toLong())

        val totalExceptionBytes = bufferedSource.readInt()
        publicSuffixExceptionListBytes = bufferedSource.readByteString(totalExceptionBytes.toLong())
      }

      synchronized(this) {
        this.bytes = publicSuffixListBytes!!

        maskCursor.close()
      }
    }

    when (opcode) {
      OPCODE_CONTROL_PING -> {
        frameCallback.onReadPing(controlFrameBuffer.readByteString())
      }
      OPCODE_CONTROL_PONG -> {
        frameCallback.onReadPong(controlFrameBuffer.readByteString())
      }
      OPCODE_CONTROL_CLOSE -> {
        var code = CLOSE_NO_STATUS_CODE
        var reason = ""

    result.zstdCompress().buffer().use {
      it.write(this@zstdCompress)
    }
    return result.readByteString()
  }

  private fun ByteString.gzipCompress(): ByteString {
    val result = Buffer()
    (result as Sink).gzip().buffer().use {
      it.write(this@gzipCompress)
    }
    return result.readByteString()
  }

  private fun response(
    url: String,
    body: ByteString,

        .writeUtf8("--")
        .writeUtf8(boundary)
        .readByteString()

    /**
     * This delimiter typically precedes all subsequent parts. It may also precede the first part
     * if the body contains a preamble.
     */
    private val crlfDashDashBoundary =
      Buffer()
        .writeUtf8("\r\n--")
        .writeUtf8(boundary)
        .readByteString()

    private var partCount = 0
    private var closed = false

      val fileOperator = FileOperator(randomAccessFile.channel)

      // Read the header.
      val header = Buffer()
      fileOperator.read(0, header, FILE_HEADER_SIZE)
      val prefix = header.readByteString(PREFIX_CLEAN.size.toLong())
      if (prefix != PREFIX_CLEAN) throw IOException("unreadable cache file")
      val upstreamSize = header.readLong()
      val metadataSize = header.readLong()

        validateCloseCode(code)
      }
      payload =
        Buffer().run {
          writeShort(code)
          if (reason != null) {
            write(reason)
          }
          readByteString()
        }
    }

    try {
      writeControlFrame(OPCODE_CONTROL_CLOSE, payload)
    } finally {
      writerClosed = true
    }
  }

  @Throws(IOException::class)

        throw IOException(
          "response size exceeds limit ($MAX_RESPONSE_SIZE bytes): ${body.contentLength()} bytes",
        )
      }

      val responseBytes = body.source().readByteString()

      return DnsRecordCodec.decodeAnswers(hostname, responseBytes)
    }
  }

  private fun buildRequest(
    hostname: String,
    type: Int,
  ): Request =
    Request

   * may trigger an [OutOfMemoryError]. Prefer to stream the response body if this is a
   * possibility for your response.
   */
  @Throws(IOException::class)
  fun byteString() = consumeSource(BufferedSource::readByteString) { it.size }

  private inline fun <T : Any> ResponseBody.consumeSource(
    consumer: (BufferedSource) -> T,
    sizeMapper: (T) -> Int,
  ): T {
    val contentLength = contentLength()

      requestLine = request,
      headers = headers.build(),
      chunkSizes = chunkSizes,
      bodySize = requestBody.receivedByteCount,
      body =
        when {
          hasBody -> requestBody.buffer.readByteString()
          else -> null
        },
      connectionIndex = connectionIndex,
      exchangeIndex = exchangeIndex,
      socket = socket,
      failure = failure,
    )
  }