assertEquals(0, CrawlerStatus.DONE.compareTo(CrawlerStatus.DONE));

        // INITIALIZING < RUNNING < DONE (based on ordinal)
        assertTrue(CrawlerStatus.INITIALIZING.compareTo(CrawlerStatus.RUNNING) < 0);
        assertTrue(CrawlerStatus.INITIALIZING.compareTo(CrawlerStatus.DONE) < 0);
        assertTrue(CrawlerStatus.RUNNING.compareTo(CrawlerStatus.DONE) < 0);

        // Reverse comparisons

│   └── suggest_settings/           # Default configurations
└── test/                          # Comprehensive test suite
```

## Development

### Building from Source

```bash
# Clone the repository
git clone https://github.com/codelibs/fess-suggest.git
cd fess-suggest

# Compile the project
mvn compile

# Run tests
mvn test

# Package JAR
mvn package

3. **Commit** your changes (`git commit -m 'Add amazing feature'`)
4. **Push** to the branch (`git push origin feature/amazing-feature`)
5. **Open** a Pull Request

### Development Setup

```bash
# Clone the repository
git clone https://github.com/codelibs/fess-crawler.git
cd fess-crawler

# Build the project
mvn clean install

# Run tests
mvn test

# Format code before committing
mvn formatter:format

            urlFilter.addExclude(regexp);
        }
    }

    /**
     * Stops the crawling process.
     * Sets the crawler status to DONE and interrupts all crawler threads.
     */
    public void stop() {
        crawlerContext.setStatus(CrawlerStatus.DONE);
        try {
            if (crawlerThreadGroup != null) {
                crawlerThreadGroup.interrupt();
            }

        crawlerContext.setStatus(CrawlerStatus.RUNNING);
        assertEquals(CrawlerStatus.RUNNING, crawlerContext.getStatus());

        crawlerContext.setStatus(CrawlerStatus.DONE);
        assertEquals(CrawlerStatus.DONE, crawlerContext.getStatus());

        crawlerContext.setStatus(null);
        assertNull(crawlerContext.getStatus());
    }

    /**
     * Test urlFilter getter and setter
     */

                } finally {
                    done.set(true);
                }
            }, Thread.currentThread().getName() + "-pdf");
            task.setDaemon(isDaemonThread);
            task.start();
            task.join(timeout);
            if (!done.get()) {
                for (int i = 0; i < 100 && !done.get(); i++) {
                    task.interrupt();

 * and provides methods for logging messages using {@link LogHelper}.
 * </p>
 *
 * <p>
 * The crawling process continues until the crawler status is {@link CrawlerStatus#DONE} or the
 * {@link #isContinue(int)} method returns {@code false}.
 * </p>
 *
 */
public class CrawlerThread implements Runnable {
    /**
     * Constructs a new CrawlerThread.
     */

            if (matchOutput == null) {
                start++;
                continue;
            }

            synonyms.add(new MyToken(key, start, longestMatchEndOffset, 1, matchOutput.clone(), ignoreCase)); // TODO
                                                                                                              // synonym
            start = longestMatchEndOffset;
        }
    }