/**
     * Rounds up the size to 8-byte alignment.
     *
     * @param size the size to align
     * @return the aligned size
     */
    protected static final int size8(final int size) {
        return size8(size, 0);
    }

    /**
     * Rounds up the size to the specified alignment.
     *
     * @param size the size to align
     * @param align the alignment boundary
     * @return the aligned size

        // Arrange
        Smb2LogoffRequest req = newRequest();
        int base = Smb2Constants.SMB2_HEADER_LENGTH + 4; // structure size
        int expected = ((base + 7) / 8) * 8; // expected 8-byte alignment

        // Act
        int actual = req.size();

        // Assert
        assertEquals(expected, actual, "size() must be 8-byte aligned");
    }

    @ParameterizedTest

        return (flags & Smb2HandleCapabilities.SMB2_DHANDLE_FLAG_PERSISTENT) != 0;
    }

    @Override
    public int size() {
        // Context header (16) + name length (4) + padding to 8-byte alignment (4) + data (32)
        return 16 + 4 + 4 + STRUCTURE_SIZE;
    }

    @Override
    public int encode(byte[] dst, int dstIndex) {
        int start = dstIndex;

        // Write context header

        
        // Data (16 bytes of reserved)
        int dataOffset = offset + 16 + nameLen;
        dataOffset = (dataOffset + 7) & ~7;  // 8-byte alignment
        
        for (int i = 0; i < 16; i++) {
            buffer[dataOffset + i] = 0;
        }
    }
    
    @Override
    public int size() {
        int nameLen = getName().length();

        assertEquals((byte) 0x04, dst[0]); // First buffer format byte

        // Find the second buffer format byte by searching for it
        // In Unicode mode, the old filename is written as Unicode, then 0x04, then an alignment byte
        int secondBufferFormatIndex = -1;
        for (int i = 1; i < result - 1; i++) {
            if (dst[i] == (byte) 0x04) {
                secondBufferFormatIndex = i;
                break;

        dstIndex += this.info.encode(dst, dstIndex);

        /* 6 zeros observed with NT */
        SMBUtil.writeInt8(0L, dst, dstIndex);
        dstIndex += 6;

        /*
         * Also observed 4 byte alignment but we stick
         * with the default for jCIFS which is 2
         */

        return dstIndex - start;
    }

    @Override

        assertSame(transaction, result);
    }

    @Test
    @DisplayName("Test pad calculation with various offsets")
    void testPadCalculation() {
        // Test pad calculation with different alignment values
        assertEquals(0, transaction.pad(0)); // Already aligned
        assertEquals(0, transaction.pad(4)); // Already aligned
        assertEquals(0, transaction.pad(8)); // Already aligned

   * process it; all should produce the same answer, the only difference should be the number of
   * process()/processRemaining() invocations, due to alignment.
   */
  @AndroidIncompatible // slow. TODO(cpovirk): Maybe just reduce iterations under Android.
  public void testExhaustive() throws Exception {

                    "Time should never go backwards even with rapid successive calls");
        }
    }

    @Test
    @DisplayName("MonotonicClock should maintain reasonable alignment with system time")
    void testSystemTimeAlignment() {
        Instant monotonic = MonotonicClock.now();
        Instant system = Instant.now();

	actions        [lifecycle.ActionCount]uint64
	actionsLatency [lifecycle.ActionCount]lockedLastMinuteLatency

	// currentPaths contains (string,*currentPathTracker) for each disk processing.
	// Alignment not required.
	currentPaths sync.Map

	cycleInfoMu sync.Mutex
	cycleInfo   *currentScannerCycle
}

var globalScannerMetrics scannerMetrics

const (
	// START Realtime metrics, that only to records