val body = part.body

      sink!!.write(DASHDASH)
      sink.write(boundaryByteString)
      sink.write(CRLF)

      if (headers != null) {
        for (h in 0 until headers.size) {
          sink.writeUtf8(headers.name(h))
            .write(COLONSPACE)
            .writeUtf8(headers.value(h))
            .write(CRLF)
        }
      }

				// concurrently, check for it before we
				// write the filler byte.
				select {
				case err := <-doneCh:
					if err != nil {
						write([]byte{1})
						write([]byte(err.Error()))
					} else {
						write([]byte{0})
					}
					return
				default:
				}

				// Response not ready, write a filler byte.
				write([]byte{32})
				if canWrite {
					w.(http.Flusher).Flush()

					tc.nPix, tc.extraExisting, tc.extraSeparate, len(enc))
				continue
			}

			// Write the size of the data sub-block containing the LZW data.
			b.WriteByte(byte(len(enc) + tc.extraExisting))

			// Write the LZW data.
			b.Write(enc)

			// Write extra bytes inside the same data sub-block where LZW data
			// ended. Each arbitrarily 0x02.
			b.WriteString(extra[:tc.extraExisting])

  private var maxFrameSize: Int = INITIAL_MAX_FRAME_SIZE
  private var closed: Boolean = false
  val hpackWriter: Hpack.Writer = Hpack.Writer(out = hpackBuffer)

  @Throws(IOException::class)
  fun connectionPreface() {
    this.withLock {
      if (closed) throw IOException("closed")
      if (!client) return // Nothing to write; servers don't send connection headers!
      if (logger.isLoggable(FINE)) {

		return
	}
	err = en.WriteBool(z.Writer)
	if err != nil {
		err = msgp.WrapError(err, "Writer")
		return
	}
	// write "UID"
	err = en.Append(0xa3, 0x55, 0x49, 0x44)
	if err != nil {
		return
	}
	err = en.WriteString(z.UID)
	if err != nil {
		err = msgp.WrapError(err, "UID")
		return
	}
	// write "Timestamp"
	err = en.Append(0xa9, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70)
	if err != nil {

    val newMaxFrameSize = 16777215
    val writer = Http2Writer(Buffer(), true)
    writer.applyAndAckSettings(Settings().set(Settings.MAX_FRAME_SIZE, newMaxFrameSize))
    assertThat(writer.maxDataLength()).isEqualTo(newMaxFrameSize)
    writer.frameHeader(0, newMaxFrameSize, Http2.TYPE_DATA, FLAG_NONE)
  }

  @Test fun streamIdHasReservedBit() {
    val writer = Http2Writer(Buffer(), true)

                write(encoder, valueSnapshot);
            }
        } else if (snapshot instanceof ImplementationSnapshot) {
            ImplementationSnapshot implementationSnapshot = (ImplementationSnapshot) snapshot;
            encoder.writeSmallInt(IMPLEMENTATION_SNAPSHOT);
            implementationSnapshotSerializer.write(encoder, implementationSnapshot);

		var b Buffer
		b.Write(buf[0:1])
		for i := 0; i < 5<<10; i++ {
			b.Write(buf)
			b.Read(buf)
		}
	}
}

// Check that we don't compact too often. From Issue 5154.
func BenchmarkBufferFullSmallReads(b *testing.B) {
	buf := make([]byte, 1024)
	for i := 0; i < b.N; i++ {
		var b Buffer
		b.Write(buf)
		for b.Len()+20 < b.Cap() {
			b.Write(buf[:10])
		}

    // create a null output stream
    OutputStream nos = ByteStreams.nullOutputStream();
    // write to the output stream
    nos.write('n');
    String test = "Test string for NullOutputStream";
    byte[] bytes = test.getBytes(Charsets.US_ASCII);
    nos.write(bytes);
    nos.write(bytes, 2, 10);
    nos.write(bytes, bytes.length - 5, 5);
    // nothing really to assert?

            write(cacheConfigurations.releasedWrappers.removeUnusedEntriesOlderThan)
            write(cacheConfigurations.snapshotWrappers.removeUnusedEntriesOlderThan)
            write(cacheConfigurations.downloadedResources.removeUnusedEntriesOlderThan)
            write(cacheConfigurations.createdResources.removeUnusedEntriesOlderThan)
            write(cacheConfigurations.buildCache.removeUnusedEntriesOlderThan)