* Maximum raw buffer size for raw read/write operations.
     */
    public int maxRawSize;
    /**
     * Server's system time.
     */
    public long serverTime;
    /**
     * Server's time zone offset in minutes from UTC.
     */
    public int serverTimeZone;
    /**
     * Length of the encryption key.
     */
    public int encryptionKeyLength;
    /**
     * Encryption key for password encryption.
     */

                .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.
         */

    // 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;

     * Cache for storing resource file modification timestamps to enable cache busting.
     * The cache expires after 10 minutes and has a maximum size of 1000 entries.
     */
    private static LoadingCache<String, Long> resourceHashCache =
            CacheBuilder.newBuilder().maximumSize(1000).expireAfterWrite(10, TimeUnit.MINUTES).build(new CacheLoader<String, Long>() {
                @Override

    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

        // Create rate limiter with test-friendly settings
        rateLimiter = new AuthenticationRateLimiter(3, // max attempts per account
                5, // max attempts per IP
                20, // max global attempts per minute
                Duration.ofSeconds(2), // short lockout for testing
                Duration.ofMinutes(1) // cleanup interval
        );
    }

    @AfterEach
    public void tearDown() {

     */
    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.
     */

     * 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();
    }

    /**

        if (config != null) {
            final Integer timeToLive = config.getTimeToLive();
            if (timeToLive != null) {
                // timeToLive minutes
                final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
                return new Date(now + timeToLive.longValue() * 1000 * 60);
            }
        }