* @return this ExecJob instance for method chaining
     */
    public ExecJob jobExecutor(final JobExecutor jobExecutor) {
        this.jobExecutor = jobExecutor;
        return this;
    }

    /**
     * Sets the session ID for this job execution.
     *
     * @param sessionId the unique session identifier
     * @return this ExecJob instance for method chaining
     */

     * The namespace is used to organize and identify crawling activities.
     *
     * @param namespace the namespace identifier for the crawling session
     * @return this CrawlJob instance for method chaining
     */
    public CrawlJob namespace(final String namespace) {
        this.namespace = namespace;
        return this;
    }

    /**
     * Sets the document expiration period in days.

     * @return this job instance for method chaining
     */
    public GenerateThumbnailJob numOfThreads(final int numOfThreads) {
        this.numOfThreads = numOfThreads;
        return this;
    }

    /**
     * Enables cleanup operations for this job.
     *
     * @return this job instance for method chaining
     */
    public GenerateThumbnailJob cleanup() {
        cleanup = true;

    }

    /**
     * Sets the query builder for filtering documents.
     *
     * @param queryBuilder the query builder to filter documents
     * @return this UpdateLabelJob instance for method chaining
     */
    public UpdateLabelJob query(final QueryBuilder queryBuilder) {
        this.queryBuilder = queryBuilder;
        return this;
    }

         * @return this builder for method chaining
         */
        public SearchConditionBuilder query(final String query) {
            this.query = query;
            return this;
        }

        /**
         * Sets the search request type.
         *
         * @param searchRequestType the search request type
         * @return this builder for method chaining
         */