Trans2GetDfsReferral cmd = new Trans2GetDfsReferral("foo");
        byte[] buf = new byte[2];
        int r = cmd.writeSetupWireFormat(buf, 0);
        assertEquals(2, r);
        byte subCmd = (byte) getPrivateField(cmd, "subCommand");
        assertEquals(subCmd, buf[0]);
        assertEquals((byte) 0x00, buf[1]);
    }

    @Test
    @DisplayName("writeParametersWireFormat writes referral level and path")

     */
    public static String create() {
        final StringBuilder buf = new StringBuilder(BASE.length() * 2);
        buf.append(BASE);
        final int lowTime = (int) (System.currentTimeMillis() >> 32);
        StringUtil.appendHex(buf, lowTime);
        StringUtil.appendHex(buf, RANDOM.nextInt());
        return buf.toString();
    }

    private static byte[] getAddress() {
        try {

		var current metacacheBlock
		var n int

		buf := bytebufferpool.Get()
		defer func() {
			buf.Reset()
			bytebufferpool.Put(buf)
		}()

		block := newMetacacheWriter(buf, 1<<20)
		defer block.Close()
		finishBlock := func() {
			if err := block.Close(); err != nil {
				w.streamErr = err
				return
			}
			current.data = buf.Bytes()
			w.streamErr = nextBlock(&current)

     */
    protected static String createMessage(final SAXException cause) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(cause);
        if (cause instanceof SAXParseException) {
            final SAXParseException e = (SAXParseException) cause;
            if (e.getSystemId() != null) {
                buf.append(" at ").append(e.getSystemId());
            }
            final int lineNumber = e.getLineNumber();

				}
			})
			b.Run("ToFileInfoNew", func(b *testing.B) {
				b.SetBytes(int64(size))
				b.ResetTimer()
				b.ReportAllocs()
				for b.Loop() {
					buf, _, _ := isIndexedMetaV2(enc)
					if buf == nil {
						b.Fatal("buf == nil")
					}
					_, err = buf.ToFileInfo("volume", "path", ids[rng.Intn(size)], true)
					if err != nil {
						b.Fatal(err)
					}
				}
			})

		} else {
			versions = append(versions, fi)
			allVersionIDs = append(allVersionIDs, fi.VersionID)
		}
	}
	buf, err := xl.AppendTo(nil)
	if err != nil {
		t.Fatalf("Failed to serialize xlmeta %v", err)
	}
	fivs, err := getFileInfoVersions(buf, basefi.Volume, basefi.Name, false)
	if err != nil {
		t.Fatalf("getFileInfoVersions failed: %v", err)
	}

    OLD {
      @Override
      long copy(Readable from, Appendable to) throws IOException {
        CharBuffer buf = CharStreams.createBuffer();
        long total = 0;
        while (from.read(buf) != -1) {
          ((Buffer) buf).flip();
          to.append(buf);
          total += buf.remaining();
          ((Buffer) buf).clear();
        }
        return total;
      }
    },
    NEW {
      @Override

// For example,
//
//	"10000;chunk-signature=..." => "10000", "chunk-signature=..."
func parseS3ChunkExtension(buf []byte) ([]byte, []byte) {
	buf = trimTrailingWhitespace(buf)
	semi := bytes.Index(buf, []byte(s3ChunkSignatureStr))
	// Chunk signature not found, return the whole buffer.
	if semi == -1 {
		return buf, nil
	}
	return buf[:semi], parseChunkSignature(buf[semi:])
}

        final StringBuilder buf = new StringBuilder(100);
        buf.append("{\"@timestamp\":\"").append(valueMap.remove("time")).append('"');
        buf.append(",\"log.level\":\"INFO\"");
        buf.append(",\"ecs.version\":\"").append(ecsVersion).append('"');
        buf.append(",\"service.name\":\"").append(ecsServiceName).append('"');
        buf.append(",\"event.dataset\":\"").append(ecsEventDataset).append('"');

        }
        char[] buf = new char[bufferSize];
        int size = 0;
        int len;
        try {
            while ((len = reader.read(buf, size, bufferSize - size)) != -1) {
                size += len;
                if (size == bufferSize) {
                    final char[] newBuf = new char[bufferSize + initialCapacity];
                    System.arraycopy(buf, 0, newBuf, 0, bufferSize);