protected boolean daemon = false;

    /**
     * Priority for crawler threads.
     */
    protected int threadPriority = Thread.NORM_PRIORITY;

    /**
     * Reference to the parent thread that started the crawler.
     */
    protected Thread parentThread;

    /**
     * The thread group for crawler threads.
     */
    protected ThreadGroup crawlerThreadGroup;

    /**

                        .forPort(port)//
                        .withStartupTimeout(Duration.ofSeconds(30)));
        logger.info("Starting {}", IMAGE_NAME);
        minioServer.start();
        logger.info("Started {}", IMAGE_NAME);

        String bucketName = "fess";
        Integer mappedPort = minioServer.getFirstMappedPort();
        Testcontainers.exposeHostPorts(mappedPort);

- **Index Management**: Automatic index creation, switching, and maintenance
- **Customizable Scoring**: User boost, document frequency, and query frequency weighting

## Technology Stack

- **Java**: 21+ (configured via parent POM)
- **OpenSearch**: Latest (provided scope)
- **Apache Lucene**: Query parsing and text analysis
- **ICU4J**: Unicode text processing and normalization