*/
    public void test_init_withEmptySessionId() {
        urlFilter.init("");
        // Should handle empty session ID gracefully
        assertNotNull(urlFilter);
    }

    /**
     * Test adding a single include pattern
     */
    public void test_addInclude_singlePattern() {
        String sessionId = "test-session-002";
        urlFilter.init(sessionId);

        urlFilter.addInclude("https://example.com/.*");

    }

    /**
     * Test adding a single rule
     */
    public void test_addRule_single() {
        TestRule rule = new TestRule("rule1", true);

        ruleManager.addRule(rule);

        assertTrue(ruleManager.hasRule(rule));
        assertEquals(1, ruleManager.getRuleCount());
    }

    /**
     * Test adding multiple rules
     */

    @Test
    public void testAddInitialSettings() {
        // Test adding single setting
        SuggestSettingsBuilder result = builder.addInitialSettings("key1", "value1");
        assertEquals(builder, result); // Test method chaining
        assertEquals(1, builder.initialSettings.size());
        assertEquals("value1", builder.initialSettings.get("key1"));

        // Test adding multiple settings
        builder.addInitialSettings("key2", 100);

// Configure SSL settings
container.singleton("httpClient", HcHttpClient.class, client -> {
    client.setTrustAllCertificates(true);  // For testing only
});
```

### Debug Logging

Enable debug logging by adding to your logging configuration:

```xml
<logger name="org.codelibs.fess.crawler" level="DEBUG"/>
<logger name="org.codelibs.fess.crawler.client" level="DEBUG"/>

import org.opensearch.search.SearchHit;
import org.opensearch.transport.client.Client;

/**
 * The ArraySettings class provides methods to manage settings stored in an array format within an OpenSearch index.
 * It allows adding, retrieving, and deleting settings based on keys and values.
 *
 * <p>Constructor:
 * <ul>

 *   <li>Processing the response using a {@link ResponseProcessor} associated with a {@link Rule}.</li>
 *   <li>Extracting child URLs and adding them to the queue using {@link #storeChildUrls(Set, String, int)}
 *       or {@link #storeChildUrl(String, String, float, int)}.</li>
 *   <li>Handling exceptions that may occur during the crawling process.</li>
 * </ol>
 *

import org.codelibs.fess.crawler.service.UrlQueueService;

import jakarta.annotation.Resource;

/**
 * The Crawler class is the main class for web crawling. It manages the crawling process,
 * including adding URLs to the queue, filtering URLs, managing crawler threads,
 * and handling the overall crawling lifecycle.
 *
 * <p>It implements the Runnable interface to be executed in a separate thread,

        final Matcher matcher = pattern.matcher(content);
        if (matcher.find()) {
            return matcher.group(1);
        }
        return null;
    }

    /**
     * Gets a duplicate URL by adding or removing a trailing slash.
     *
     * @param requestData the request data to create a duplicate for
     * @return the request data with the duplicate URL
     */

 * It also includes methods to build and process the request using OpenSearch's client.</p>
 *
 * <p>Key functionalities include:</p>
 * <ul>
 *   <li>Setting the index, query, and size of the request.</li>
 *   <li>Adding tags, roles, fields, kinds, and languages to the request.</li>
 *   <li>Configuring suggestion details, reading converter, normalizer, prefix match weight, match word first, and skip duplicate words options.</li>

        if (smbAuthentications != null) {
            for (final SmbAuthentication smbAuthentication : smbAuthentications) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Adding SmbAuthentication: {}", smbAuthentication);
                }
                holder.add(smbAuthentication);
            }
        }
        smbAuthenticationHolder = holder;
    }

    @Override