if (responseCaching.maxAgeSeconds != -1) {
        return SECONDS.toMillis(responseCaching.maxAgeSeconds.toLong())
      }

      val expires = this.expires
      if (expires != null) {
        val servedMillis = servedDate?.time ?: receivedResponseMillis
        val delta = expires.time - servedMillis
        return if (delta > 0L) delta else 0L
      }

        purgeDocJob = new PurgeDocJob();

        // Reset flags and variables
        deleteByQueryCalled = false;
        deleteIndex = null;
        deleteQuery = null;
        expiresFieldName = "expires";
        documentUpdateIndex = "fess.update";

        // Create mock SearchEngineClient
        searchEngineClient = new SearchEngineClient() {
            @Override

    @Test
    public void test_process_withExpires() throws Exception {
        // Test that expires value is properly set
        Crawler.Options options = new Crawler.Options();
        options.sessionId = "test-session";
        options.expires = "14";

        // Verify the expires value is set
        assertEquals("14", options.expires);
    }

    @Test
    public void test_process_withInvalidExpires() throws Exception {

        this.path = path;
    }

    /**
     * Gets the cookie expiry date.
     *
     * @return the expiry date
     */
    public Date getExpiryDate() {
        return expiryDate;
    }

    /**
     * Sets the cookie expiry date.
     *
     * @param expiryDate the expiry date
     */
    public void setExpiryDate(final Date expiryDate) {

        this.timeoutMillis = timeout * 1000L;
        this.permanent = permanent;
        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.
     *

        try {
            // Clean up expired handles
            handles.entrySet().removeIf(entry -> {
                HandleInfo info = entry.getValue();
                if (info.isExpired() && !info.isReconnecting()) {
                    guidToHandle.remove(info.getCreateGuid());
                    removePersistedHandle(info);
                    log.debug("Removed expired handle: {}", info.getPath());

 *
 * <p>Valid:
 *
 * <ul>
 *   <li>Live: valid key/value are set
 *   <li>Loading: loading is pending
 * </ul>
 *
 * <p>Invalid:
 *
 * <ul>
 *   <li>Expired: time expired (key/value may still be set)
 *   <li>Collected: key/value was partially collected, but not yet cleaned up
 *   <li>Unset: marked as unset, awaiting cleanup or reuse
 * </ul>
 */
@GwtIncompatible
@J2ktIncompatible

                logger.debug("Session expired and removed. sessionId={}, lastAccessedAt={}", sessionId, session.getLastAccessedAt());
            }
            return null;
        }
        return session;
    }

    /**
     * Gets a session by ID.
     *
     * @param sessionId the session ID
     * @return the session, or null if not found or expired
     */

        REGISTERED,
        /** Unregistration is in progress */
        UNREGISTERING,
        /** Registration has failed */
        FAILED,
        /** Registration has expired due to timeout */
        EXPIRED
    }

    /**
     * Creates a new witness registration.
     *
     * @param shareName the SMB share name to monitor
     * @param serverAddress the server IP address

        .addHeader("Last-Modified: " + formatDate(-1, TimeUnit.HOURS))
        .addHeader("Expires: " + formatDate(1, TimeUnit.HOURS))
        .body("ABC")
        .build(),
    )
    server.enqueue(
      MockResponse
        .Builder()
        .addHeader("Last-Modified: " + formatDate(-5, TimeUnit.MINUTES))
        .addHeader("Expires: " + formatDate(2, TimeUnit.HOURS))
        .body("DEF")
        .build(),
    )