var buf bytes.Buffer
	for _, k := range headers {
		buf.WriteString(k)
		buf.WriteByte(':')
		switch k {
		case "host":
			buf.WriteString(req.URL.Host)
			fallthrough
		default:
			for idx, v := range headerMap[k] {
				if idx > 0 {
					buf.WriteByte(',')
				}
				buf.WriteString(v)
			}
			buf.WriteByte('\n')
		}
	}
	canonicalHeaders := buf.String()

	// Get signed headers.

		}
		nn += n
		p = p[n:]
	}
	if b.err != nil {
		return nn, b.err
	}
	n := copy(b.buf[b.n:], p)
	b.n += n
	nn += n
	return nn, nil
}

// WriteByte writes a single byte.
func (b *Writer) WriteByte(c byte) error {
	if b.err != nil {
		return b.err
	}
	if b.Available() <= 0 && b.Flush() != nil {
		return b.err
	}
	b.buf[b.n] = c
	b.n++
	return nil
}

	// Read value
	for {
		v, err := cr.reader.ReadByte()
		if err != nil {
			if err == io.EOF {
				return io.ErrUnexpectedEOF
			}
		}
		if v != '\r' {
			valueBuffer.WriteByte(v)
			continue
		}
		// End of buffer, do not add to value.
		v, err = cr.reader.ReadByte()
		if err != nil {
			if err == io.EOF {
				return io.ErrUnexpectedEOF
			}
		}
		if v != '\n' {

    // 1 big endian int, the number of longs in our bitset
    // N big endian longs of our bitset
    DataOutputStream dout = new DataOutputStream(out);
    dout.writeByte(SignedBytes.checkedCast(strategy.ordinal()));
    dout.writeByte(UnsignedBytes.checkedCast(numHashFunctions)); // note: checked at the c'tor
    dout.writeInt(bits.data.length());
    for (int i = 0; i < bits.data.length(); i++) {

    Files.copy(i18nFile, temp);
    assertTrue(Files.equal(i18nFile, temp));

    Files.copy(asciiFile, temp);
    RandomAccessFile rf = new RandomAccessFile(temp, "rw");
    rf.writeByte(0);
    rf.close();
    assertEquals(asciiFile.length(), temp.length());
    assertFalse(Files.equal(asciiFile, temp));

    assertTrue(Files.asByteSource(asciiFile).contentEquals(Files.asByteSource(asciiFile)));

    assertThat(out.toByteArray()).isEqualTo(bytes);
  }

  public void testNewDataOutput_writeByte() {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    out.write(0x12);
    out.writeByte(0x34);
    assertThat(out.toByteArray()).isEqualTo(new byte[] {0x12, 0x34});
  }

  public void testNewDataOutput_writeByteOffset() {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();

  }

  /** Returns a byte string that differs from this one by one bit. */
  private fun ByteString.offByOneBit(): ByteString =
    Buffer()
      .write(this, 0, size - 1)
      .writeByte(this[size - 1].toInt() xor 1)
      .readByteString()

  private fun date(s: String): Date =
    SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ").run {
      timeZone = TimeZone.getTimeZone("GMT")

    assertThat(out.toByteArray()).isEqualTo(bytes);
  }

  public void testNewDataOutput_writeByte() {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();
    out.write(0x12);
    out.writeByte(0x34);
    assertThat(out.toByteArray()).isEqualTo(new byte[] {0x12, 0x34});
  }

  public void testNewDataOutput_writeByteOffset() {
    ByteArrayDataOutput out = ByteStreams.newDataOutput();

		if added > 0 || e != "" {
			if added > 0 {
				dst.WriteByte(SlashSeparatorChar)
			}
			dst.WriteString(e)
			added += len(e)
		}
	}

	if pathNeedsClean(dst.Bytes()) {
		s := path.Clean(dst.String())
		if trailingSlash {
			return s + SlashSeparator
		}
		return s
	}
	if trailingSlash {
		dst.WriteByte(SlashSeparatorChar)
	}
	return dst.String()
}

| `minio_node_io_write_bytes`                | Total bytes written by the process to the underlying storage system, /proc/[pid]/io write_bytes.                |
| `minio_node_process_cpu_total_seconds`     | Total user and system CPU time spent in seconds by the process.                                                |