/**
 * CrawlJob is responsible for executing the crawling process in Fess.
 * This job launches a separate crawler process that can crawl web sites, file systems,
 * and data sources based on the configured crawling settings.
 *
 * <p>The job supports selective crawling by specifying configuration IDs for different
 * types of crawlers (web, file, data). It manages the crawler process lifecycle,

     * If the config has a timeToLive value, calculates expiration from current time.
     * Otherwise, returns the stored document expiration time.
     *
     * @param config the crawling configuration containing time-to-live settings
     * @return the document expiration date, or null if no expiration is set
     */
    public Date getDocumentExpires(final CrawlingConfig config) {
        if (config != null) {

    }

    @Test
    @DisplayName("Test with various Configuration implementations")
    void testWithDifferentConfigurations() throws Exception {
        // Test with different configuration settings
        Properties props = new Properties();
        props.setProperty("jcifs.smb.client.maxVersion", "SMB302");
        Configuration customConfig = new PropertyConfiguration(props);

    /**
     * Create a circuit breaker with default settings
     *
     * @param name circuit breaker name for logging
     */
    public SmbCircuitBreaker(String name) {
        this(name, 5, 3, 60000, 3, false, false, 100);
    }

    /**
     * Create a circuit breaker with custom settings
     *
     * @param name circuit breaker name for logging

    private AsyncManager asyncManager;

    /** The session manager for handling user sessions. */
    @Resource
    private SessionManager sessionManager;

    /** The Fess configuration providing application settings. */
    @Resource
    private FessConfig fessConfig;

    /** The user behavior for database operations on user entities. */
    @Resource
    private UserBhv userBhv;

Подробнее об использовании переменных окружения для работы с **настройками приложения** вы узнаете в [Расширенное руководство пользователя - Настройки и переменные среды](./advanced/settings.md){.internal-link target=_blank}.

## Переменная окружения `PATH`

 * passive/active modes, and encoding settings. It also handles FTP file attributes such as user,
 * group, and symbolic links.
 *
 * <p>
 * The class uses Apache Commons Net library for FTP communication. It maintains a queue of FTPClient
 * instances to improve performance by reusing connections.
 * </p>
 *
 * <p>
 * The client can be configured with FTP-specific settings via init parameters, such as:
 * </p>
 * <ul>

        // Then
        assertEquals(0, bytesRead, "Cancel requests do not read response data");
    }

    @Test
    @DisplayName("Test multiple property settings")
    void testMultiplePropertySettings() {
        // Given
        long mid = 99999L;
        long asyncId = 88888L;
        int credits = 5;
        int treeId = 77;

        // When

        dataIndexHelper.setCrawlerPriority(Thread.MIN_PRIORITY);
        dataIndexHelper.setCrawlerPriority(Thread.NORM_PRIORITY);
        dataIndexHelper.setCrawlerPriority(Thread.MAX_PRIORITY);
        assertTrue("Priority settings should be fast", true);
    }

    public void test_multiple_quick_operations() {
        try {
            // Multiple quick operations to verify overall performance

     */
    public static final String KEYS_COMBINATION_MODE_ATTRIBUTE = "combine.keys";

    /**
     * Convenience method to merge two XML nodes using default settings.
     */
    @Nullable
    public static XmlNode merge(XmlNode dominant, XmlNode recessive) {
        return merge(dominant, recessive, null);
    }

    /**
     * Merges two XML nodes.
     */