fun request(): Request

  /**
   * Returns the size in bytes of all messages enqueued to be transmitted to the server. This
   * doesn't include framing overhead. If compression is enabled, uncompressed messages size
   * is used to calculate this value. It also doesn't include any bytes buffered by the operating
   * system or network intermediaries. This method returns 0 if no messages are waiting in the

	// Refer to https://cloud.google.com/storage/docs/transcoding#decompressive_transcoding
	// Need to set `Accept-Encoding` header to `gzip` when issuing a GetObject call, to be able
	// to download the object in compressed state.
	// Calling ReadCompressed with true accomplishes that.
	object := gcs.client.Bucket(gcs.Bucket).Object(gcs.getDest(key)).ReadCompressed(true)

	r, err = object.NewRangeReader(ctx, opts.startOffset, opts.length)

      apply {
        webSocketCloseTimeout = checkDuration("duration", duration)
      }

    /**
     * Sets minimum outbound web socket message size (in bytes) that will be compressed.
     *
     * Set to 0 to enable compression for all outbound messages.
     *
     * 1024 by default.
     */
    fun minWebSocketMessageToCompress(bytes: Long) =
      apply {
        require(bytes >= 0) {

		shardSize:    shardSize,
		canClose:     &sync.WaitGroup{},
		byteBuf:      buf,
	}
	bw.canClose.Add(1)
	go func() {
		defer bw.canClose.Done()

		totalFileSize := int64(-1) // For compressed objects length will be unknown (represented by length=-1)
		if length != -1 {
			bitrotSumsTotalSize := ceilFrac(length, shardSize) * int64(h.Size()) // Size used for storing bitrot checksums.

 * Fix 1.5.0 regression where transparent Gzip was broken by attempting to
   recover from another I/O failure.
 * Fix problems where spdy/3.1 headers may not have been compressed properly.
 * Fix problems with spdy/3.1 and http/2 where the wrong window size was being
   used.
 * Fix 1.5.0 regression where conditional cache responses could corrupt the
   connection pool.


## Version 1.5.0

            enc = block;
        }
        return dk;
    }

    /**
     * Performs n-fold expansion of data as specified in RFC 3961.
     * This operation is used in Kerberos key derivation to expand or compress
     * input data to a specific output length.
     *
     * @param data the input data to expand
     * @param outlen the desired output length in bytes
     * @return the n-folded data of the specified length

 * `server_max_window_bits`. This harms our ability to support these parameters:
 *
 *  * If `client_max_window_bits` is less than 15, OkHttp must close the web socket with code 1010.
 *    Otherwise it would compress values in a way that servers could not decompress.
 *  * If `server_max_window_bits` is less than 15, OkHttp will waste memory on an oversized buffer.
 *
 * See [RFC 7692, 7.1][rfc_7692] for details on negotiation process.
 *

  fun values(name: String): List<String> = commonValues(name)

  /**
   * Returns the number of bytes required to encode these headers using HTTP/1.1. This is also the
   * approximate size of HTTP/2 headers before they are compressed with HPACK. This value is
   * intended to be used as a metric: smaller headers are more efficient to encode and transmit.
   */
  fun byteCount(): Long {

		index = opts.IndexCB()
	}

	actualSize := data.ActualSize()
	if actualSize < 0 {
		_, encrypted := crypto.IsEncrypted(fi.Metadata)
		compressed := fi.IsCompressed()
		switch {
		case compressed:
			// ... nothing changes for compressed stream.
			// if actualSize is -1 we have no known way to
			// determine what is the actualSize.
		case encrypted:
			decSize, err := sio.DecryptedSize(uint64(n))

	input := make(chan minio.SnowballObject, 1)
	opts := minio.SnowballOptions{
		Opts:     minio.PutObjectOptions{},
		InMemory: *r.Source.Snowball.InMemory,
		Compress: *r.Source.Snowball.Compress,
		SkipErrs: *r.Source.Snowball.SkipErrs,
	}

	go func() {
		defer xioutil.SafeClose(input)

		for _, entry := range entries {
			gr, err := objAPI.GetObjectNInfo(ctx, r.Source.Bucket,