// These tests verify the PingResponse class structure is correct
        assertTrue(true);
    }

    @Test
    public void test_getClusterName_returnsCorrectValue() {
        // Test cluster name getter exists
        FessConfig mockConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Set<String> getApiPingEsFieldSet() {

     */
    @Test
    public void test_constructor() {
        FessIntervalController controller = new FessIntervalController();
        assertNotNull(controller);
    }

    /**
     * Test getter and setter for delayMillisAfterProcessing
     */
    @Test
    public void test_delayMillisAfterProcessing() {
        FessIntervalController controller = new FessIntervalController();

        // Test direct field access through inheritance
        TestDictionaryItem item = new TestDictionaryItem();

        // Direct field assignment
        item.id = 999L;

        // Verify through getter
        assertEquals(999L, item.getId());

        // Verify direct field access
        assertEquals(999L, item.id);
    }

    @Test
    public void test_sequentialIdAssignment() {

        assertEquals(TermQuery.class, query.getClass());
        assertEquals("_default:fess", ((TermQuery) query).getTerm().toString());

        query = queryParser.createDefaultFilterChain().parse("title:fess");
        assertEquals(TermQuery.class, query.getClass());
        assertEquals("title:fess", ((TermQuery) query).getTerm().toString());

        query = queryParser.createDefaultFilterChain().parse("fess*");

    }

    // Test getExpiry with default value
    @Test
    public void test_getExpiry_default() {
        assertEquals(30L * 24 * 60 * 60 * 1000L, purgeThumbnailJob.getExpiry());
    }

    // Test expiry setter with valid value
    @Test
    public void test_expiry_validValue() {
        long newExpiry = 60L * 24 * 60 * 60 * 1000L; // 60 days
        PurgeThumbnailJob result = purgeThumbnailJob.expiry(newExpiry);

        final String field = getSearchField(context.getDefaultField(), wildcardQuery.getField());
        if (Constants.DEFAULT_FIELD.equals(field)) {
            final String text = wildcardQuery.getTerm().text();
            context.addFieldLog(field, text);
            final String highlightText = StringUtils.strip(text, "*");
            if (StringUtil.isNotBlank(highlightText)) {

                relatedContentMap.put(key, pair);
            }
            if (entity.getTerm().startsWith(regexPrefix)) {
                final String regex = entity.getTerm().substring(regexPrefix.length());
                if (StringUtil.isBlank(regex)) {
                    logger.warn("Unknown regex pattern: {}", entity.getTerm());
                } else {

    public void setQueries(String[] value) {
        registerModifiedProperty("queries");
        this.queries = value;
    }

    public String getTerm() {
        checkSpecifiedProperty("term");
        return convertEmptyToNull(term);
    }

    public void setTerm(String value) {
        registerModifiedProperty("term");
        this.term = value;
    }

    public String getUpdatedBy() {

    public void setSortOrder(Integer value) {
        registerModifiedProperty("sortOrder");
        this.sortOrder = value;
    }

    public String getTerm() {
        checkSpecifiedProperty("term");
        return convertEmptyToNull(term);
    }

    public void setTerm(String value) {
        registerModifiedProperty("term");
        this.term = value;
    }

    public String getUpdatedBy() {

        for (final Map.Entry<Object, Object> entry : systemProperties.entrySet()) {
            if (isBugReportTarget(entry.getKey())) {
                itemList.add(createItem(entry.getKey(), entry.getValue()));
            }
        }

        return itemList;
    }

    /**
     * Checks if a property should be included in bug reports.
     *