*/
    @Override
    public XContentBuilder toXContent(final XContentBuilder builder, final Params params) throws IOException {
        builder.startObject();
        if (sessionId != null) {
            builder.field(SESSION_ID, sessionId);
        }
        if (method != null) {
            builder.field(METHOD, method);
        }
        if (url != null) {
            builder.field(URL, url);
        }

     *
     * @param sessionId the ID of the session for which the URL filter is being added
     * @param url the URL to be included in the filter list
     */
    void addIncludeUrlFilter(String sessionId, String url);

    /**
     * Adds a list of URLs to the include filter for a given session.
     *
     * @param sessionId the ID of the session for which the URLs should be included

        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()

     * Initiates crawling for specified web and file configurations.
     *
     * @param sessionId The session ID for this crawling operation
     * @param webConfigIdList List of web configuration IDs to crawl, null for all
     * @param fileConfigIdList List of file configuration IDs to crawl, null for all
     */
    public void crawl(final String sessionId, final List<String> webConfigIdList, final List<String> fileConfigIdList) {

        TermQueryBuilder builder = regTermQ("sessionId", sessionId);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setSessionId_NotEqual(String sessionId) {
        setSessionId_NotTerm(sessionId, null);
    }

    public void setSessionId_NotTerm(String sessionId) {
        setSessionId_NotTerm(sessionId, null);

        }

        return (versioning != null) ? versioning : new Versioning();
    }

    private Versioning filterVersionsByRepositoryType(Versioning versioning, RemoteRepository remoteRepository) {
        if (remoteRepository == null) {
            return versioning;
        }

        Versioning filteredVersions = versioning.clone();

        for (String version : versioning.getVersions()) {

            crawler.crawlerContext.setNumOfThread(numOfThread);
            crawler.urlFilter.addInclude(url + ".*");
            final String sessionId = crawler.execute();
            assertEquals(maxCount, dataService.getCount(sessionId));
            dataService.delete(sessionId);
        } finally {
            server.stop();
        }
    }

    public void test_execute_xmlSitemaps() throws Exception {

     */
    public static class ChannelGroup {
        private final String sessionId;
        private final List<ChannelInfo> channels = new CopyOnWriteArrayList<>();
        private final AtomicInteger roundRobinIndex = new AtomicInteger(0);
        private volatile ChannelInfo primaryChannel;

        public ChannelGroup(String sessionId) {
            this.sessionId = sessionId;
        }

        public String getSessionId() {

            // Create and populate the RPC message
            WitnessRegisterMessage message = new WitnessRegisterMessage();
            // Convert int version to WitnessVersion enum
            WitnessVersion witnessVersion = (request.getVersion() >= 0x00020000) ? WitnessVersion.VERSION_2 : WitnessVersion.VERSION_1;
            message.setVersion(witnessVersion);
            message.setNetName(serverAddress.getHostName());

	Transient bool

	// Versioned is this a ListObjectVersions call.
	Versioned bool
	// V1 listing type
	V1 bool

	// Versioning config is used for if the path
	// has versioning enabled.
	Versioning *versioning.Versioning `msg:"-"`

	// Lifecycle performs filtering based on lifecycle.
	// This will filter out objects if the most recent version should be deleted by lifecycle.