* interpreted as a normal bit, and all other bits are treated as usual.
   *
   * <p>If the argument is nonnegative, the returned result will be equal to {@code bits},
   * otherwise, the result will be equal to {@code 2^64 + bits}.
   *
   * <p>To represent decimal constants less than {@code 2^63}, consider {@link #valueOf(long)}
   * instead.
   *
   * @since 14.0
   */
  public static UnsignedLong fromLongBits(long bits) {

   * interpreted as a normal bit, and all other bits are treated as usual.
   *
   * <p>If the argument is nonnegative, the returned result will be equal to {@code bits},
   * otherwise, the result will be equal to {@code 2^64 + bits}.
   *
   * <p>To represent decimal constants less than {@code 2^63}, consider {@link #valueOf(long)}
   * instead.
   *
   * @since 14.0
   */
  public static UnsignedLong fromLongBits(long bits) {

		{25 * time.Hour, "my_download_url", "1 day before the latest release"},
		{49 * time.Hour, "my_download_url", "2 days before the latest release"},
		{7 * 24 * time.Hour, "my_download_url", "1 week before the latest release"},
		{8 * 24 * time.Hour, "my_download_url", "1 week before the latest release"},
		{15 * 24 * time.Hour, "my_download_url", "2 weeks before the latest release"},

		// Testcase index 20

 */
@ElementTypesAreNonnullByDefault
final class Fingerprint2011 extends AbstractNonStreamingHashFunction {
  static final HashFunction FINGERPRINT_2011 = new Fingerprint2011();

  // Some primes between 2^63 and 2^64 for various uses.
  private static final long K0 = 0xa5b85c5e198ed849L;
  private static final long K1 = 0x8d58ac26afe12e47L;
  private static final long K2 = 0xc47b6e9e3a970ed3L;

	// spaces or NULs.
	// So we remove leading and trailing NULs and spaces to
	// be sure.
	b = bytes.Trim(b, " \x00")

	if len(b) == 0 {
		return 0
	}
	x, perr := strconv.ParseUint(p.parseString(b), 8, 64)
	if perr != nil {
		p.err = ErrHeader
	}
	return int64(x)
}

func (f *formatter) formatOctal(b []byte, x int64) {
	if !fitsInOctal(len(b), x) {
		x = 0 // Last resort, just write zero