final String sessionId = "session1";
        final String urlPattern = "http://example.com/.*";

        urlFilterService.addIncludeUrlFilter(sessionId, urlPattern);

        // Verify the filter is stored
        assertTrue(fesenClient.prepareSearch("fess_crawler.filter")
                .setQuery(QueryBuilders.termQuery("sessionId", sessionId))
                .setSize(0)
                .execute()

    /**
     * Creates a derived session using the given local repository.
     *
     * @param localRepository the new local repository
     * @return the derived session
     * @throws NullPointerException if {@code localRepository} is null
     */
    @Nonnull
    Session withLocalRepository(@Nonnull LocalRepository localRepository);

    /**
     * Creates a derived session using the given remote repositories.
     *

        final String sessionId = "session123";
        indexUpdater.addFinishedSessionId(sessionId);
        assertTrue(indexUpdater.finishedSessionIdList.contains(sessionId));
    }

    // Test addFinishedSessionId with multiple sessions
    @Test
    public void test_addFinishedSessionId_multiple() {
        indexUpdater.addFinishedSessionId("session1");

     * @return the session, or null if not found or expired
     */
    public ChatSession getSession(final String sessionId) {
        final ChatSession session = findSession(sessionId);
        if (session == null) {
            return null;
        }
        session.touch();
        if (logger.isDebugEnabled()) {
            logger.debug("Session retrieved. sessionId={}, messageCount={}", sessionId, session.getMessages().size());

        }

        InternalSession iSession = InternalSession.from(configuration.getRepositorySession());
        InternalMavenSession mSession = InternalMavenSession.from(iSession);
        MavenSession session = mSession.getMavenSession();

        session.setProjects(projects);
        session.setAllProjects(session.getProjects());

        return session;
    }

    protected void initRepoSession(

        session.setSessionId("session-456");
        session.setUserId("user-789");
        session.setCreatedAt(createdAt);
        session.setLastAccessedAt(lastAccessedAt);
        session.setMessages(messages);

        assertEquals("session-456", session.getSessionId());
        assertEquals("user-789", session.getUserId());
        assertEquals(createdAt, session.getCreatedAt());

    }

    /**
     * Extracts the canonical session ID by removing any suffix after the first hyphen.
     * If the session ID contains a hyphen, returns the portion before the first hyphen.
     * Otherwise, returns the original session ID.
     *
     * @param sessionId the session ID to process
     * @return the canonical session ID (portion before first hyphen, or original if no hyphen)
     */

        crawler.crawlerContext.setNumOfThread(5);
        crawler.urlFilter.addInclude("https://example.com/.*");
        
        // Execute crawling
        String sessionId = crawler.execute();
        System.out.println("Crawling completed. Session ID: " + sessionId);
    }
}
```

### File System Crawling

```java
import org.codelibs.fess.crawler.client.fs.FileSystemClient;

// Configure for file system crawling

            }

            log.info("Created {} channels for session {}", channelGroup.getChannelCount(), sessionId);
            return channelGroup;

        } catch (Exception e) {
            sessionChannels.remove(sessionId);
            throw new CIFSException("Failed to create channels for session " + sessionId, e);
        }
    }

    /**

     * Removes URL filters, URL queues, and access result data for the session.
     *
     * @param sessionId the session ID whose data should be deleted
     */
    private void deleteBySessionId(final String sessionId) {
        try {
            urlFilterService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlFilter: sessionId={}", sessionId, e);