.maximumSize(fessConfig.getSuggestPopularWordCacheSizeAsInteger().longValue())
                .expireAfterWrite(fessConfig.getSuggestPopularWordCacheExpireAsInteger().longValue(), TimeUnit.MINUTES)
                .build();
    }

    /**
     * Retrieves a list of popular words based on the specified search parameters.
     * Uses caching to improve performance for repeated requests.
     *

        }

        /**
         * Returns the response.
         * @return The response.
         */
        public RESPONSE getResponse() {
            return getResponse(1, TimeUnit.MINUTES);
        }

        /**
         * Returns the response.
         * @param time The time to wait.
         * @param unit The time unit.
         * @return The response.
         */

    public static final int SMB2_DHANDLE_FLAG_PERSISTENT = 0x00000002;
    
    // Timeout values (milliseconds)
    public static final long DEFAULT_DURABLE_TIMEOUT = 120000;  // 2 minutes
    public static final long MAX_DURABLE_TIMEOUT = 300000;      // 5 minutes
    public static final long PERSISTENT_TIMEOUT = 0;            // Infinite for persistent
}
```

## 4. Data Structures

### 4.1 Handle GUID Structure
```java

     */
    protected Class<?> dataClass = null;

    /**
     * The XPathAPI cache.
     */
    protected LoadingCache<String, XPathAPI> xpathAPICache;

    /**
     * The cache duration in minutes.
     */
    protected long cacheDuration = 10; // min

    /**
     * Constructs a new instance of {@code XmlTransformer}.
     * This constructor initializes the transformer with default settings.
     */

    // Connection pool configuration
    private static final int DEFAULT_MAX_POOL_SIZE = 100;
    private static final int DEFAULT_MAX_IDLE_TIME = 300000; // 5 minutes in ms
    private static final int DEFAULT_HEALTH_CHECK_INTERVAL = 60000; // 1 minute in ms
    private static final int DEFAULT_PROACTIVE_CHECK_INTERVAL = 30000; // 30 seconds in ms
    private int maxPoolSize = DEFAULT_MAX_POOL_SIZE;

     * The cache is configured with a maximum size of 100 entries and expires after 10 minutes.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        crawlingConfigCache = CacheBuilder.newBuilder().maximumSize(100).expireAfterWrite(10, TimeUnit.MINUTES).build();
    }

    /**

    #  You can set LoadDataReverse settings.
    #  This property is valid when the property 'recordLimit' is set.
    #  Elements of this map are as below:
    #   o recordLimit: The limit of records to output. Minus means no limit. (NotRequired - Default '')
    #   o isReplaceSchemaDirectUse: Does it output the data to playsql directly? (NotRequired - Default false)

}

public long getWitnessHeartbeatTimeout() {
    return getLongProperty(WITNESS_HEARTBEAT_TIMEOUT, 120000);  // 2 minutes
}

public long getWitnessRegistrationTimeout() {
    return getLongProperty(WITNESS_REGISTRATION_TIMEOUT, 300000);  // 5 minutes
}

public long getWitnessReconnectDelay() {
    return getLongProperty(WITNESS_RECONNECT_DELAY, 1000);  // 1 second
}

        if (configMockedStatic != null)
            configMockedStatic.close();
    }

    @Test
    void testCacheEntry() {
        // Test with a specific TTL
        long ttl = 600; // 10 minutes
        Dfs.CacheEntry cacheEntry = new Dfs.CacheEntry(ttl);
        long expectedExpiration = System.currentTimeMillis() + ttl * 1000L;

    /**
     * Cache for storing available artifacts by type.
     * The cache expires after 5 minutes and has a maximum size of 10 entries.
     */
    protected LoadingCache<ArtifactType, Artifact[]> availableArtifacts = CacheBuilder.newBuilder()
            .maximumSize(10)
            .expireAfterWrite(5, TimeUnit.MINUTES)
            .build(new CacheLoader<ArtifactType, Artifact[]>() {
                @Override