private var headerListByteCount = 0L
      private val source: BufferedSource = source.buffer()

      // Visible for testing.
      @JvmField var dynamicTable = arrayOfNulls<Header>(8)

      // Array is populated back to front, so new entries always have lowest index.
      private var nextHeaderIndex = dynamicTable.size - 1

      @JvmField var headerCount = 0

      @JvmField var dynamicTableByteCount = 0

}

// NewEventNotifier - creates new event notification object.
func NewEventNotifier(ctx context.Context) *EventNotifier {
	// targetList/bucketRulesMap/bucketRemoteTargetRulesMap are populated by NotificationSys.InitBucketTargets()
	return &EventNotifier{
		targetList:     event.NewTargetList(ctx),
		bucketRulesMap: make(map[string]event.RulesMap),
	}
}

// GetARNList - returns available ARNs.

    }

    /**
     * Create an EditBody DTO from a ProtwordsItem entity.
     *
     * @param entity source entity with protected words data
     * @param dictId identifier of the dictionary
     * @return populated EditBody for API responses
     */
    protected EditBody createEditBody(final ProtwordsItem entity, final String dictId) {
        final EditBody body = new EditBody();
        body.id = entity.getId();

}

// TargetStat is the stats of a single target.
type TargetStat struct {
	CurrentSendCalls int64 // CurrentSendCalls is the number of concurrent async Send calls to all targets
	CurrentQueue     int   // Populated if target has a store.
	TotalEvents      int64
	FailedEvents     int64 // Number of failed events per target
}

// TargetList - holds list of targets indexed by target ID.
type TargetList struct {

    protected String[] fileProtocols = StringUtil.EMPTY_STRINGS;

    /**
     * Default constructor for ProtocolHelper.
     * Initializes the helper with empty protocol arrays that will be populated during init().
     */
    public ProtocolHelper() {
        // Default constructor
    }

    /**
     * Initializes the protocol helper by loading configured protocols from FessConfig

             * array. Incedentally when these andx smbs are created they are not
             * necessarily populated with header data because they're not writing
             * the header, only their body. But for whatever reason one might wish
             * to populate fields if the writeXxx operation needs this header data
             * for whatever reason. I copy over the uid here so it appears correct

        List<SmbFile> files = Arrays.asList(mockFile1, mockFile2);
        directoryLeaseManager.updateDirectoryCache(directoryPath, files);

        // Step 6: Verify cache is complete and populated
        assertTrue(cacheEntry.isComplete());
        assertEquals(2, cacheEntry.getChildren().size());
        assertTrue(cacheEntry.hasChild("document.txt"));
        assertTrue(cacheEntry.hasChild("subfolder"));

        // Verify the interface extends Serializable
        assertTrue(user instanceof java.io.Serializable);
    }

    @Test
    public void test_allFieldsCombination() {
        // Test with all fields populated
        String name = "complexUser";
        String[] roles = { "admin", "user", "viewer" };
        String[] groups = { "developers", "managers", "qa" };

    }

    /**
     * Creates a PathMapping entity from the provided form data.
     *
     * @param form the create form containing path mapping data
     * @return optional PathMapping entity populated with form data
     */
    public static OptionalEntity<PathMapping> getPathMapping(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

     */
    public HandleGuid requestDurableHandle(String path, HandleType type, long timeout, Smb2LeaseKey leaseKey) {
        HandleGuid guid = new HandleGuid();

        // Create handle info with empty file ID (will be populated after successful create response)
        HandleInfo info = new HandleInfo(path, guid, new byte[16], type, timeout, leaseKey);

        lock.writeLock().lock();
        try {
            handles.put(path, info);