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()

    }

    public void test_deleteSpecificSession() {
        // Setup
        String session1 = "session1";
        String session2 = "session2";

        // Add filters for both sessions
        service.addIncludeUrlFilter(session1, "https://session1.com/.*");
        service.addIncludeUrlFilter(session2, "https://session2.com/.*");

    }

    /**
     * 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)
     */

            }

            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);

        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

        // Generate unique session ID for key management
        this.sessionId = String.format("smb-enc-%d-%d", System.currentTimeMillis(), secureRandom.nextLong());

        if (keyManager != null) {
            // Store keys securely
            String encKeyId = sessionId + "-enc";
            String decKeyId = sessionId + "-dec";

     */
    public static class Options {

        /** Session ID for the crawling session. If not provided, a timestamp-based ID will be generated. */
        @Option(name = "-s", aliases = "--sessionId", metaVar = "sessionId", usage = "Session ID")
        public String sessionId;

        /** Name for the crawling session for identification purposes. */

     * This method starts crawling only for the data configurations
     * specified in the configIdList parameter.
     *
     * @param sessionId unique identifier for this crawling session
     * @param configIdList list of data configuration IDs to crawl
     */
    public void crawl(final String sessionId, final List<String> configIdList) {

     *
     * @param sessionId The session ID.
     */
    @Override
    public void delete(final String sessionId) {
        deleteBySessionId(sessionId);
    }

    /**
     * Offers multiple URL queue entries for the specified session.
     * Only URLs that don't already exist will be added.
     *
     * @param sessionId The session ID.