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);

    synchronized (lock) {
      return cachingHashMap.containsKey(key) && !isExpired(cachingHashMap.get(key));
    }
  }

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

        this.startTime = System.currentTimeMillis();
    }

    /**
     * Returns whether the task has expired.
     *
     * @return whether the task has expired
     */
    public boolean isExpired() {
        return System.currentTimeMillis() >= startTime + timeoutMillis;
    }

    /**
     * Returns whether the task is permanent.
     *
     * @return whether the task is permanent
     */

        if (session == null) {
            if (logger.isDebugEnabled()) {
                logger.debug("Session not found. sessionId={}", sessionId);
            }
            return null;
        }
        if (isExpired(session)) {
            sessionCache.remove(sessionId);
            if (logger.isDebugEnabled()) {

        } 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 {

        this.leaseKey = leaseKey;
        this.reconnecting = false;
    }

    /**
     * Check if this handle has expired
     * @return true if expired
     */
    public boolean isExpired() {
        if (type == HandleType.PERSISTENT) {
            return false; // Persistent handles don't expire
        }
        long elapsed = System.currentTimeMillis() - lastAccessTime;

	if !cred.Expiration.IsZero() && !cred.Expiration.Equal(timeSentinel) {
		s.WriteString("\n")
		s.WriteString(cred.Expiration.String())
	}
	return s.String()
}

// IsExpired - returns whether Credential is expired or not.
func (cred Credentials) IsExpired() bool {
	if cred.Expiration.IsZero() || cred.Expiration.Equal(timeSentinel) {
		return false
	}

	return cred.Expiration.Before(time.Now().UTC())
}

     *
     * @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;
    }

    /**

    /**
     * Checks if this registration has expired based on the timeout.
     *
     * @param timeoutMs the timeout in milliseconds
     * @return true if the registration is expired
     */
    public boolean isExpired(long timeoutMs) {
        return System.currentTimeMillis() - lastHeartbeat > timeoutMs;
    }

    // Getters and setters

    /**
     * Gets the last heartbeat timestamp.
     *

            throws SmbException {
        checkNotClosed();

        // Check if authentication has expired
        if (isExpired()) {
            throw new SmbException("Authentication has expired. Please re-authenticate.");
        }

        // Generate session ID for secure key management
        if (this.sessionId == null) {