@Test
    public void testExpectedIndexCountConstant() throws Exception {
        final Field field = Suggester.class.getDeclaredField("EXPECTED_INDEX_COUNT");
        field.setAccessible(true);
        final int value = (int) field.get(null);

        assertEquals("EXPECTED_INDEX_COUNT should be 1", 1, value);
    }

    /**
     * Integration test for complete index lifecycle with refactored methods.

            throws ComponentConfigurationException {
        final EnhancedCompositeBeanHelper helper = new EnhancedCompositeBeanHelper(lookup, loader, evaluator, listener);
        for (int i = 0, size = configuration.getChildCount(); i < size; i++) {
            final PlexusConfiguration element = configuration.getChild(i);
            final String propertyName = fromXML(element.getName());

                throw new BuilderNotFoundException(
                        String.format("The builder requested using id = %s cannot be" + " found", builderId));
            }

            int degreeOfConcurrency = session.getRequest().getDegreeOfConcurrency();
            if (degreeOfConcurrency > 1) {
                logger.info("");
                logger.info(String.format(

    }

    public Map<String, Goal> goals;

    public List<AttributedString> header;
    public AttributedStyle style;
    public LineReader reader;

    // Indentation control for nested logging
    private int indentLevel = 0;
    private String indentString = Indentation.DEFAULT;

    public void addInHeader(String text) {
        addInHeader(AttributedStyle.DEFAULT, text);
    }

 */
@Plugin(name = "LogNotificationAppender", category = Core.CATEGORY_NAME, elementType = Appender.ELEMENT_TYPE, printObject = true)
public class LogNotificationAppender extends AbstractAppender {

    private static final int MAX_THROWABLE_LENGTH = 500;

    private static final Set<String> EXCLUDED_LOGGERS = Set.of( //
            "org.codelibs.fess.helper.NotificationHelper", //
            "org.codelibs.fess.util.LogNotificationAppender", //

  }

  @CollectionSize.Require(absent = ZERO)
  @MapFeature.Require({SUPPORTS_REMOVE, SUPPORTS_PUT})
  public void testPropagatesRemoveLastThenAddToMultimap() {
    int oldSize = getNumElements();

    Collection<V> result = multimap().get(k0());
    assertTrue(result.remove(v0()));

    assertFalse(multimap().containsKey(k0()));
    assertFalse(multimap().containsEntry(k0(), v0()));

    @Test
    public void testUpdateHandleFileId() {
        HandleGuid guid = manager.requestDurableHandle("/test/file.txt", HandleType.DURABLE_V2, 120000, null);

        byte[] fileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            fileId[i] = (byte) (i + 1);
        }

        manager.updateHandleFileId(guid, fileId);

        HandleInfo info = manager.getHandleByGuid(guid);

	// Should never contain a slash.
	FilterPrefix string

	// ForwardTo will forward to the given object path.
	ForwardTo string

	// Limit the number of returned objects if > 0.
	Limit int

	// DiskID contains the disk ID of the disk.
	// Leave empty to not check disk ID.
	DiskID string
}

// supported FS for Nlink optimization in readdir.
const (
	xfs  = "XFS"
	ext4 = "EXT4"
)

  private lateinit var cache: DiskLruCache
  private val toClose = ArrayDeque<DiskLruCache>()

  private fun createNewCache() {
    createNewCacheWithSize(Int.MAX_VALUE)
  }

  private fun createNewCacheWithSize(maxSize: Int) {
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, maxSize.toLong(), taskRunner).also {
        toClose.add(it)
      }
    synchronized(cache) { cache.initialize() }

    }

    @Test
    public void test_longMessage() {
        // Test with very long message
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            sb.append("Long message part ").append(i).append(" ");
        }
        String longMessage = sb.toString();