// Text with commas
        input = "text,with,commas";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("\"text,with,commas\"", result);

        // Text with both quotes and commas
        input = "text \"with\" quotes, and commas";
        result = KuromojiCSVUtil.quoteEscape(input);
        assertEquals("\"text \"\"with\"\" quotes, and commas\"", result);
    }

    @Test

        // Test whitespace only
        tags = PrunedTag.parse("   ");
        assertEquals(0, tags.length);

        // Test commas only
        tags = PrunedTag.parse(",,,");
        assertEquals(0, tags.length);

        // Test mixed whitespace and commas
        tags = PrunedTag.parse(" , , , ");
        assertEquals(0, tags.length);
    }

    @Test

    }

    @Test
    public void test_crawlingInfoPager_clear() {
        final CrawlingInfoPager pager = new CrawlingInfoPager();
        pager.id = "some-id";
        pager.sessionId = "some-session";
        pager.setCurrentPageNumber(5);

        pager.clear();

        assertNull(pager.id);
        assertNull(pager.sessionId);
    }

    @Test

    }

    @Test
    public void test_execute_withInvalidScriptType() {
        // Try to execute with non-existent script type
        try {
            scriptExecutor.execute("nonexistent", "some script");
            fail("Expected ScriptEngineException");
        } catch (ScriptEngineException e) {
            assertTrue(e.getMessage().contains("nonexistent"));
        }
    }

    @Test

        assertProvideThrowsException("TestClassification");
        assertProvideThrowsException("NonExistent");
        assertProvideThrowsException("");
        assertProvideThrowsException("Some.Classification");
        assertProvideThrowsException("Project.TestClassification");
    }

    @Test
    public void test_provide_nullClassificationName() {
        // Test with null classification name
        try {

            thread.join(testDurationMs + 1000);
        }

        // Verify that alive was changed to false
        assertFalse("alive should be false after writer thread", dataStore.alive);

        // At least some observations from reader threads should have seen false
        // due to volatile ensuring visibility
        int falseCount = 0;
        for (int i = 0; i < readerThreadCount; i++) {

     */
    @Size(max = 10000)
    public String purgeByBots;

    /**
     * Email addresses to receive system notifications.
     * Multiple addresses can be specified, separated by commas.
     */
    @Size(max = 1000)
    public String notificationTo;

    /**
     * Enable or disable search suggestions based on search logs.
     * When enabled, suggestions are generated from previous searches.

    @Test
    public void test_getUsedMemory_variations() {
        // Test multiple calls to ensure consistency
        long memory1 = MemoryUtil.getUsedMemory();
        assertTrue(memory1 >= 0);

        // Create some objects to change memory usage
        @SuppressWarnings("unused")
        String[] largeArray = new String[1000];
        for (int i = 0; i < 1000; i++) {
            largeArray[i] = "test" + i;
        }

        // The provider's toString might not contain the exact class name
        // Just verify it's not null and contains some meaningful info
        assertTrue("toString should not be empty", toString.length() > 0);
    }

    @Test
    public void test_hook_withNullAssistantDirector() {
        // When & Then - Should not throw exception

    }

    // Test addFessConfigProperties method
    @Test
    public void test_addFessConfigProperties() {
        List<String> cmdList = new ArrayList<>();

        // Set some test properties
        System.setProperty(Constants.FESS_CONFIG_PREFIX + "test1", "value1");
        System.setProperty(Constants.FESS_CONFIG_PREFIX + "test2", "value2");
        System.setProperty("non.fess.property", "value3");