// Test SearchEngineClient field injection
        ThumbnailGenerator generator = new ThumbnailGenerator();
        assertNull(generator.searchEngineClient);

        // After proper initialization, it should be injected
        SearchEngineClient mockClient = new SearchEngineClient() {
            // Mock implementation
        };
        generator.searchEngineClient = mockClient;

    }
  }

  AggregateFutureState(int remainingFutures) {
    this.remainingField = remainingFutures;
  }

  final Set<Throwable> getOrInitSeenExceptions() {
    /*
     * The initialization of seenExceptionsField has to be more complicated than we'd like. The
     * simple approach would be for each caller CAS it from null to a Set populated with its

/**
 * Main executable class for running crawling operations in the Fess search engine.
 * This class serves as the entry point for crawling web content, file systems, and data stores.
 * It manages the crawling lifecycle, including initialization, execution coordination,
 * monitoring, and cleanup operations.
 *
 * <p>The crawler can operate in different modes based on command-line options:
 * <ul>
 * <li>Web crawling - crawls web sites and web content</li>

    /** Map of loggers keyed by class */
    protected static final Map<Class<?>, Logger> loggers = newHashMap();

    /** Flag indicating initialization is complete. */
    private static boolean initialized;

    /** Logger adapter. */
    private final LoggerAdapter log;

    /**
     * Returns a {@link Logger}.
     *
     * @param clazz

    /**
     * Default constructor for RankFusionProcessor.
     * Initializes the processor with default values. The actual initialization
     * is performed by the init() method which is called after construction.
     */
    public RankFusionProcessor() {
        // Default constructor - initialization is done in init() method
    }

    /**
     * Initializes the rank fusion processor after construction.

import org.dbflute.tomcat.props.BootPropsTranslator;

/**
 * Main boot class for the Fess search engine application.
 * This class extends TomcatBoot to provide Fess-specific Tomcat server configuration
 * and initialization, including SSL setup, context path handling, and resource management.
 *
 * <p>The class handles system property configuration for paths, ports, and other
 * Fess-specific settings during application startup.</p>
 *

            indexUpdater.interrupt();
            indexUpdater.join(1000);
        }
        super.tearDown();
    }

    // Test initialization
    public void test_init() {
        indexUpdater.init();
        assertNotNull(indexUpdater);
    }

    // Test initialization with IngestFactory
    public void test_init_withIngestFactory() {
        ComponentUtil.register(ingestFactory, "ingestFactory");

        buildInitParamMap(viewHelper.getInitGeoParamMap(), Constants.GEO_QUERY, Constants.GEO_FORM);
    }

    /**
     * Builds parameter maps for search initialization, creating both query strings
     * and form inputs for the given parameters.
     *
     * @param paramMap the parameter map to process
     * @param queryKey the key for storing query string parameters

import org.codelibs.fess.util.ComponentUtil;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for managing and validating URL protocols in Fess crawling system.
 * This class handles the initialization and validation of web and file protocols
 * used by the crawler to determine which URLs can be crawled.
 */
public class ProtocolHelper {
    private static final Logger logger = LogManager.getLogger(ProtocolHelper.class);

        super.setUp();
        crawlJob = new CrawlJob();
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
    }

    // Test constructor and field initialization
    public void test_constructor() {
        assertNotNull(crawlJob);
        assertEquals(Constants.CRAWLING_INFO_SYSTEM_NAME, crawlJob.namespace);
        assertNull(crawlJob.webConfigIds);