/** Buffered reader for reading from the input stream */
    private final BufferedReader br;

    /** Maximum buffer size constant */
    public static final int MAX_BUFFER_SIZE = 1000;

    /** List storing recent lines from the input stream */
    private final List<String> list = new LinkedList<>();

    /** Maximum number of lines to keep in the buffer */
    private final int bufferSize;

 * This class evaluates match and boost expressions against document data to determine
 * if a document should receive a boost and what boost value to apply. It supports
 * script-based expressions for flexible document scoring.
 *
 */
public class DocBoostMatcher {

    /** The expression used to calculate the boost value (defaults to "0") */
    private String boostExpression = "0";

    protected long cacheExpireAfterWrite = 10 * 60 * 1000L;

    /** Cache for storing statistics objects keyed by crawler object identifiers. */
    protected LoadingCache<String, StatsObject> statsCache;

    /**
     * Initializes the crawler statistics helper.
     * Sets up the statistics logger and creates the cache for storing
     * statistics objects with the configured size and expiration settings.
     */

import jakarta.annotation.Resource;

/**
 * Service class for managing web crawling configurations.
 * Provides CRUD operations for web configuration settings including
 * listing, retrieving, storing, and deleting web crawling configurations.
 */
public class WebConfigService extends FessAppService {

    /**
     * Default constructor.
     */
    public WebConfigService() {
        super();
    }

        // Test commit after concurrent operations
        callback.commit();
    }

    public void test_store_with_various_data_types() {
        // Test storing various data types
        final AtomicInteger callCount = new AtomicInteger(0);

        IndexUpdateCallback callback = new IndexUpdateCallback() {
            @Override

    private static final Logger logger = LogManager.getLogger(PopularWordHelper.class);

    /** Character used to separate cache key components */
    protected static final char CACHE_KEY_SPLITTER = '\n';

    /** Cache for storing popular word lists */
    protected Cache<String, List<String>> cache;

    /** Fess configuration instance */
    protected FessConfig fessConfig;

    /**
     * Default constructor.
     */

 * and field configuration handling during the document transformation process.
 */
public interface FessTransformer {

    /**
     * Synchronized LRU cache for storing parent URL encodings.
     * Maps session+parent URL keys to their corresponding character encodings.
     */
    Map<String, String> parentEncodingMap = Collections.synchronizedMap(new LruHashMap<>(1000));

    /**

    /** Request attribute key for storing queries. */
    public static final String REQUEST_QUERIES = "fess.Queries";

    /** Request attribute key for storing highlight queries. */
    public static final String HIGHLIGHT_QUERIES = "fess.HighlightQueries";

    /** Request attribute key for storing field logs. */
    public static final String FIELD_LOGS = "fess.FieldLogs";

        }
        return OptionalEntity.of(list.get(0));
    }

    /**
     * Stores (inserts or updates) a data configuration.
     *
     * <p>This method encrypts sensitive handler parameters before storing
     * and immediately refreshes the index to ensure the change is visible.
     * If the configuration already exists (based on ID), it will be updated;
     * otherwise, a new configuration will be created.</p>
     *

    protected String queryString;

    /** Set of query terms that should be highlighted in search results. */
    protected Set<String> highlightedQuerySet = null;

    /** Map storing field names and their associated query terms for logging. */
    protected Map<String, List<String>> fieldLogMap = null;

    /** Flag indicating whether role-based query filtering should be disabled. */