* @return a SuggestItem created from the given search words and associated data
     */
    SuggestItem parseSearchWords(String[] words, String[][] readings, String[] fields, String[] tags, String[] roles, long score,
            ReadingConverter readingConverter, Normalizer normalizer, SuggestAnalyzer analyzer, String[] langs);

    /**
     * Parses the given query log and returns a list of suggest items.
     *

    private final ConcurrentHashMap<String, MockRegistration> registrations = new ConcurrentHashMap<>();
    private Thread serverThread;

    /**
     * Mock registration data
     */
    private static class MockRegistration {
        final String registrationId;
        final String shareName;
        final String serverAddress;
        final int flags;
        final long timestamp;

     *            The algorithm. Must not be {@literal null} or an empty string.
     * @param text
     *            The string to be hashed.
     * @return The hashed string.
     */
    public static String digest(final String algorithm, final String text) {
        assertArgumentNotEmpty("algorithm", algorithm);

        if (text == null) {
            return null;
        }

        final MessageDigest msgDigest = getInstance(algorithm);

            }

            @Override
            public String getMetaData() {
                return null;
            }

            @Override
            public void setMetaData(String metaData) {
            }

            @Override
            public String getEncoding() {
                return null;
            }

            @Override
            public void setEncoding(String encoding) {

        String decodedName = new String(nameBytes, StandardCharsets.UTF_16LE);
        assertEquals(fileName, decodedName);

        // Verify bytes written
        assertEquals(20 + nameLength, bytesWritten);
    }

    @Test
    @DisplayName("Test encode with replaceIfExists false")
    void testEncodeWithReplaceIfExistsFalse() {
        String fileName = "newfile.txt";

        // Test String array
        final String[] arr = new String[] { "a", "b", "c" };
        binary = SerializeUtil.fromObjectToBinary(arr);
        final String[] result = (String[]) SerializeUtil.fromBinaryToObject(binary);
        assertEquals(arr.length, result.length);
        assertEquals(arr[0], result[0]);

        // Test ArrayList
        final List<String> list = new ArrayList<>();

        // Test constructor with all parameters
        String[] text = { "test", "text" };
        String[][] readings = { { "reading1" }, { "reading2" } };
        String[] fields = { "field1", "field2" };
        String[] tags = { "tag1", "tag2" };
        String[] roles = { "role1", "role2" };
        String[] languages = { "en", "ja" };
        SuggestItem.Kind kind = SuggestItem.Kind.QUERY;

    //                                                                      ==============
    protected String ln() {
        return DBFluteSystem.ln();
    }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);

    //                                                                      ==============
    protected String ln() {
        return DBFluteSystem.ln();
    }

    protected void assertObjectNotNull(String variableName, Object value) {
        if (variableName == null) {
            String msg = "The value should not be null: variableName=null value=" + value;
            throw new IllegalArgumentException(msg);

        }
    }

    private static String formatMessage(ErrorCode errorCode, String message) {
        if (message == null || message.isEmpty()) {
            return String.format("[%s] %s", errorCode.name(), errorCode.getDescription());
        }
        return String.format("[%s] %s: %s", errorCode.name(), errorCode.getDescription(), message);
    }

    private String extractOperationName() {