assertTrue(auth.isExpired());

        // Reset timestamp
        auth.resetAuthenticationTimestamp();
        assertFalse(auth.isExpired());

        // Test with no expiration (TTL = 0)
        auth.setAuthenticationTTL(0);
        Thread.sleep(100);
        assertFalse(auth.isExpired());

        // Test with negative TTL (no expiration)
        auth.setAuthenticationTTL(-1);
        Thread.sleep(100);

     */
    public HandleInfo getHandleForReconnect(String path) {
        lock.readLock().lock();
        try {
            HandleInfo info = handles.get(path);
            if (info != null && !info.isExpired()) {
                info.setReconnecting(true);
                info.updateAccessTime();
                log.debug("Found handle for reconnect: {}", path);
                return info;
            }

  @Override
  public boolean containsKey(Object key) {
    return cachingHashMap.containsKey(key) && !isExpired(cachingHashMap.get(key));
  }

  @Override
  public boolean containsValue(Object value) {
    for (Timestamped<V> val : cachingHashMap.values()) {
      if (val.getValue().equals(value)) {
        if (!isExpired(val)) {
          return true;
        }
      }
    }
    return false;
  }

            HandleType.DURABLE_V2,
            1000,  // 1 second timeout
            null
        );
        
        assertFalse(info.isExpired());
        
        // Wait for expiration
        Thread.sleep(1500);
        assertTrue(info.isExpired());
        
        // Persistent handles don't expire
        HandleInfo persistent = new HandleInfo(
            "/test/file2.txt",

        } finally {
            lock.readLock().unlock();
        }
    }
    
    public boolean isExpired() {
        return System.currentTimeMillis() - lastUpdateTime > maxAge;
    }
    
    public boolean needsRefresh() {
        return isExpired() || hasChanges;
    }
    
    public void markComplete() {
        lock.writeLock().lock();
        try {

     *
     * @return true if expired
     */
    public boolean isExpired() {
        return System.currentTimeMillis() - lastUpdateTime > maxAge;
    }

    /**
     * Check if cache needs refresh
     *
     * @return true if refresh needed
     */
    public boolean needsRefresh() {
        return isExpired() || hasChanges;
    }

    /**

        return sequenceNumber.incrementAndGet();
    }
    
    public void updateHeartbeat() {
        this.lastHeartbeat = System.currentTimeMillis();
    }
    
    public boolean isExpired(long timeoutMs) {
        return System.currentTimeMillis() - lastHeartbeat > timeoutMs;
    }
    
    // Getters and setters...
    public String getRegistrationId() { return registrationId; }

    private void cleanupExpiredEntries() {
        List<String> expiredPaths = new ArrayList<>();

        for (Map.Entry<String, DirectoryCacheEntry> entry : directoryCache.entrySet()) {
            if (entry.getValue().isExpired()) {
                expiredPaths.add(entry.getKey());
            }
        }

        for (String path : expiredPaths) {
            log.debug("Cleaning up expired directory cache entry: {}", path);

    private void checkHeartbeats() {
        long timeout = context.getConfig().getWitnessHeartbeatTimeout();

        for (WitnessRegistration registration : registrations.values()) {
            if (registration.isExpired(timeout)) {
                log.warn("Witness registration expired: {}", registration.getRegistrationId());

                registration.setState(WitnessRegistrationState.EXPIRED);

        assertTrue(entry.isComplete());
        assertFalse(entry.needsRefresh());

        // Wait for expiration
        Thread.sleep(100);

        assertTrue(entry.isExpired());
        assertTrue(entry.needsRefresh());

        // After expiration, cache should be treated as invalid by manager
        // (In real implementation, expired entries might be cleaned up automatically)
    }