// Test normal initialization
        converter.init();
        assertTrue(testConverter.isInitialized());
    }

    @Test
    public void testInitMultipleTimes() throws IOException {
        // Test multiple initialization calls
        converter.init();
        assertTrue(testConverter.isInitialized());

        // Call init again
        converter.init();
        assertTrue(testConverter.isInitialized());

        // Add patterns before init
        newFilter.addInclude("https://example.com/.*");
        newFilter.addExclude(".*\\.css$");

        // Initialize with session
        String sessionId = "test-session-016";
        newFilter.init(sessionId);

        // Patterns should be applied after init
        assertTrue(newFilter.match("https://example.com/page"));

        assertNotNull(testConverter);
    }

    @Test
    public void testInit() throws IOException {
        // Test init method (should do nothing)
        converter.init();
        // No exception should be thrown
    }

    @Test
    public void testConvertWithNoLanguages() throws IOException {
        // Test convert with no languages specified

            fieldRuleMap.put("url", "//address/item/access[@kind='url']");
            fieldRuleMap.put("tel", "//address/item/access[@kind='tel']");
            xmlTransformer.setFieldRuleMap(fieldRuleMap);
            xmlTransformer.init();
        }
        {
            xmlNsTransformer = new XmlTransformer();
            xmlNsTransformer.setName("xmlNsTransformer");
            xmlNsTransformer.setNamespaceAware(true);

    public SmbClient() {
        super();
    }

    @Override
    public synchronized void init() {
        if (smbAuthenticationHolder != null) {
            return;
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Initializing SmbClient...");
        }

        super.init();

        // smb auth
        final SmbAuthenticationHolder holder = new SmbAuthenticationHolder();

            final CrawlerContext crawlerContext = new CrawlerContext();
            final String sessionId = "id1";
            urlFilter.init(sessionId);
            crawlerContext.setUrlFilter(urlFilter);
            CrawlingParameterUtil.setCrawlerContext(crawlerContext);
            httpClient.init();
            httpClient.processRobotsTxt(url);
            assertEquals(1, crawlerContext.getRobotsTxtUrlSet().size());

    * @see org.codelibs.fess.crawler.client.AbstractCrawlerClient#init()
    */
    @Override
    public synchronized void init() {
        if (smbAuthenticationHolder != null) {
            return;
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Initializing SmbClient...");
        }

        super.init();

        final Properties props = new Properties();

    }

    /**
     * Retrieves a setting value as an int.
     * @param key The key of the setting.
     * @param defaultValue The default value if the setting is not found.
     * @return The setting value as an int.
     */
    public int getAsInt(final String key, final int defaultValue) {
        final Object obj = get(key);

        final int value;
        if (obj == null) {
            value = defaultValue;

    /**
     * Creates a new StorageClient instance.
     */
    public StorageClient() {
        super();
    }

    @Override
    public synchronized void init() {
        if (isInit) {
            return;
        }

        super.init();

        final Builder builder = MinioClient.builder();
        final String endpoint = getInitParameter("endpoint", null, String.class);

    /**
     * Whether to enter local passive mode.
     */
    protected boolean enterLocalPassiveMode;

    @Override
    public synchronized void init() {
        if (ftpAuthenticationHolder != null) {
            return;
        }

        super.init();

        final String systemKey = getInitParameter("ftpConfigSystemKey", FTPClientConfig.SYST_UNIX, String.class);