Random r = new Random(1234567);
    for (int length = 0; length < 1000; length++) {
      byte[] bytes = new byte[length];
      r.nextBytes(bytes);
      assertCrc(referenceCrc(bytes), bytes);
    }
  }

  private static int referenceCrc(byte[] bytes) {
    int crc = ~0;
    for (byte b : bytes) {
      crc = (crc >>> 8) ^ Crc32cHashFunction.Crc32cHasher.BYTE_TABLE[(crc ^ b) & 0xFF];
    }
    return ~crc;

)

const (
	byteRangePrefix = "bytes="
)

// HTTPRangeSpec represents a range specification as supported by S3 GET
// object request.
//
// Case 1: Not present -> represented by a nil RangeSpec
// Case 2: bytes=1-10 (absolute start and end offsets) -> RangeSpec{false, 1, 10}
// Case 3: bytes=10- (absolute start offset with end offset unspecified) -> RangeSpec{false, 10, -1}

// suffixSaver is an io.Writer & io.ReaderAt that remembers the last 0
// to 'keep' bytes of data written to it. Call Suffix to get the
// suffix bytes.
type suffixSaver struct {
	keep  int
	buf   []byte
	start int
	size  int64
}

func (ss *suffixSaver) Size() int64 { return ss.size }

var errDiscardedBytes = errors.New("ReadAt of discarded bytes")

func (ss *suffixSaver) ReadAt(p []byte, off int64) (n int, err error) {

    }

/**
 * Reads up to b.length bytes of data from this input stream into an array of bytes.
 *
 * @throws IOException if a network error occurs
 */

    public int read( byte[] b ) throws IOException {
        return read( b, 0, b.length );
    }

/**
 * Reads up to len bytes of data from this input stream into an array of bytes.
 *
 * @throws IOException if a network error occurs
 */

	// Change record delimiters to newline.
	if len(rr.recordDelimiter) == 1 {
		for idx := 0; idx < len(p); {
			i := bytes.Index(p[idx:], rr.recordDelimiter)
			if i < 0 {
				break
			}
			idx += i
			p[idx] = '\n'
		}
		return n, nil
	}

	// 2 characters...
	for idx := 0; idx < len(p); {
		i := bytes.Index(p[idx:], rr.recordDelimiter)
		if i < 0 {
			break
		}
		idx += i

		p[idx] = '\n'

// Increase S3 total input bytes
func (s *connStats) incS3InputBytes(n int64) {
	atomic.AddUint64(&s.s3InputBytes, uint64(n))
}

// Increase S3 total output bytes
func (s *connStats) incS3OutputBytes(n int64) {
	atomic.AddUint64(&s.s3OutputBytes, uint64(n))
}

// Return S3 total input bytes
func (s *connStats) getS3InputBytes() uint64 {
	return atomic.LoadUint64(&s.s3InputBytes)
}

// Return S3 total output bytes

	processIOReadBytesMD              = NewCounterMD(processIOReadBytes, "Total bytes read by the process from the underlying storage system, /proc/[pid]/io read_bytes")

  }

  /** Convenience method to compute a fingerprint on a full bytes array. */
  private static long fingerprint(byte[] bytes) {
    return fingerprint(bytes, bytes.length);
  }

  /** Convenience method to compute a fingerprint on a subset of a byte array. */
  private static long fingerprint(byte[] bytes, int length) {
    return HASH_FN.hashBytes(bytes, 0, length).asLong();
  }

  /**

  }

  public void testString() {
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];
      random.nextBytes(bytes);
      String s = new String(bytes, UTF_16LE); // so all random strings are valid
      assertEquals(
          new Sink(4).putUnencodedChars(s).hash(),
          new Sink(4).putBytes(s.getBytes(UTF_16LE)).hash());

// it.
func ParseUnverifiedStandardClaims(token []byte, claims *StandardClaims, buf []byte) (*SigningMethodHMAC, error) {
	if bytes.Count(token, []byte(".")) != 2 {
		return nil, jwtgo.ErrSignatureInvalid
	}

	i := bytes.IndexByte(token, '.')
	j := bytes.LastIndexByte(token, '.')

	n, err := base64DecodeBytes(token[:i], buf)
	if err != nil {