return time.Unix(secs, 0), nil // No sub-second values
	}

	// Parse the nanoseconds.
	// Initialize an array with '0's to handle right padding automatically.
	nanoDigits := [maxNanoSecondDigits]byte{'0', '0', '0', '0', '0', '0', '0', '0', '0'}
	for i := range len(sn) {
		switch c := sn[i]; {
		case c < '0' || c > '9':
			return time.Time{}, ErrHeader
		case i < len(nanoDigits):
			nanoDigits[i] = c
		}
	}

          when {
            b == 0x80 -> {
              // 10000000
              throw IOException("index == 0")
            }

            b and 0x80 == 0x80 -> {
              // 1NNNNNNN
              val index = readInt(b, PREFIX_7_BITS)
              readIndexedHeader(index - 1)
            }

            b == 0x40 -> {
              // 01000000
              readLiteralHeaderWithIncrementalIndexingNewName()

  };

  @GwtIncompatible // TODO
  @VisibleForTesting
  static final long[] powersOf10 = {
    1L,
    10L,
    100L,
    1000L,
    10000L,
    100000L,
    1000000L,
    10000000L,
    100000000L,
    1000000000L,
    10000000000L,
    100000000000L,
    1000000000000L,
    10000000000000L,
    100000000000000L,
    1000000000000000L,
    10000000000000000L,
    100000000000000000L,

    assertThat(b).isEmpty();
  }

  public void testToByteArray_largeStream() throws IOException {
    // well, large enough to require multiple buffers
    byte[] expected = newPreFilledByteArray(10000000);
    InputStream in = new ByteArrayInputStream(expected);
    byte[] b = ByteStreams.toByteArray(in);
    assertThat(b).isEqualTo(expected);
  }

			Name:     "file3",
			ModTime:  time.Unix(0, 0),
			Format:   FormatUSTAR,
		}, {
			Typeflag:   TypeReg,
			Name:       "file4",
			ModTime:    time.Unix(1400000000, 0),
			PAXRecords: map[string]string{"mtime": "1400000000"},
			Format:     FormatPAX,
		}},
	}, {
		file: "testdata/nil-uid.tar", // golang.org/issue/5290
		headers: []*Header{{
			Name:     "P1050238.JPG.log",
			Mode:     0664,

    private final WitnessVersion version;
    private final long registrationTime;
    private final AtomicLong sequenceNumber;
    
    // Registration flags
    public static final int WITNESS_REGISTER_NONE = 0x00000000;
    public static final int WITNESS_REGISTER_IP_NOTIFICATION = 0x00000001;
    
    // Registration state
    private volatile WitnessRegistrationState state;
    private volatile long lastHeartbeat;

    assertThat(b).isEmpty();
  }

  public void testToByteArray_largeStream() throws IOException {
    // well, large enough to require multiple buffers
    byte[] expected = newPreFilledByteArray(10000000);
    InputStream in = new ByteArrayInputStream(expected);
    byte[] b = ByteStreams.toByteArray(in);
    assertThat(b).isEqualTo(expected);
  }

    }

    private void prepareSimpleSid(byte[] buffer, int offset) {
        buffer[offset] = 0x01; // revision
        buffer[offset + 1] = 0x01; // sub-authority count
        // Identifier authority (0x00-00-00-00-00-01)
        buffer[offset + 2] = 0x00;
        buffer[offset + 3] = 0x00;
        buffer[offset + 4] = 0x00;
        buffer[offset + 5] = 0x00;
        buffer[offset + 6] = 0x00;
        buffer[offset + 7] = 0x01;

    assertThat(parse(url, "a=b; Expires=Thu, 01 Jan 70 00:00:00 GMT")!!.expiresAt)
      .isEqualTo(0L)
    assertThat(parse(url, "a=b; Expires=Thu, 01 January 1970 00:00:00 GMT")!!.expiresAt)
      .isEqualTo(0L)
    assertThat(parse(url, "a=b; Expires=Thu, 01 Janucember 1970 00:00:00 GMT")!!.expiresAt)
      .isEqualTo(0L)
    assertThat(parse(url, "a=b; Expires=Thu, 1 Jan 1970 00:00:00 GMT")!!.expiresAt)
      .isEqualTo(0L)

    @DisplayName("Test readDataWireFormat with single share")
    void testReadDataWireFormatSingleShare() throws Exception {
        // Prepare test data
        String shareName = "SHARE1";
        int shareType = 0x00000000; // Disk share
        String remark = "Test share";

        // Calculate buffer size
        int shareNameSize = 14; // 13 bytes + null terminator (fixed field)
        int typeSize = 2;