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

    /** The separator for text content. */
    protected static final String TEXT_SEP = " ";

    /** The suggester instance for handling suggest operations. */
    protected Suggester suggester;

    /** The Fess configuration for accessing system settings. */
    protected FessConfig fessConfig;

    /** The set of field names for content. */

import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Filter for handling Cross-Origin Resource Sharing (CORS) requests.
 * Processes CORS headers and handles preflight OPTIONS requests.
 */
public class CorsFilter implements Filter {

    /**
     * Creates a new instance of CorsFilter.

import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.opensearch.runner.net.OpenSearchCurl;
import org.dbflute.optional.OptionalEntity;

import jakarta.annotation.PostConstruct;

/**
 * Manager class for handling dictionary files in the Fess search system.
 * This class provides functionality to retrieve, store, and manage various
 * dictionary files such as synonyms, kuromoji, protwords, and stopwords.

import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Action class for handling thumbnail image requests.
 * Serves thumbnail images for documents in the search results.
 */
public class ThumbnailAction extends FessSearchAction {

    /**
     * Default constructor for ThumbnailAction.
     */

import org.lastaflute.web.util.LaRequestUtil;

/**
 * Utility class for web API operations.
 * Provides functionality for setting and retrieving objects from request attributes,
 * error handling, and validation in web API context.
 */
public final class WebApiUtil {

    /**
     * Request attribute key for storing web API exceptions.
     */

    # - - - - - - - - - -/

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    # o classificationUndefinedHandlingType: (NotRequired - Default LOGGING)
    #  The handling type when undefined classification is found.
    #
    #   EXCEPTION - throws exception when found
    #   LOGGING   - logging only when found (exception if ReplaceSchema)
    #   ALLOWED   - no action
    #

import jcifs.internal.CommonServerMessageBlockResponse;
import jcifs.internal.Request;

/**
 * Base class for SMB2/SMB3 request messages.
 *
 * This abstract class provides common functionality for handling
 * request messages in the SMB2/SMB3 protocol.
 *
 * @author mbechler
 * @param <T>
 *            response type
 */

 *
 * This exception is used to indicate errors that occur during the execution
 * of SSO authentication and authorization processes. It extends FessSystemException
 * to provide consistent error handling within the Fess system for SSO-related
 * processing failures such as token validation errors, communication failures
 * with SSO providers, or configuration issues.
 */

     * @param newState new lease state
     */
    public void handleLeaseBreak(Smb2LeaseKey key, int newState) {
        LeaseEntry entry = leases.get(key);
        if (entry != null) {
            log.info("Handling lease break for {} from state 0x{} to 0x{}", key, Integer.toHexString(entry.getLeaseState()),
                    Integer.toHexString(newState));

            entry.setBreaking(true);

 *
 * <p>Key features include:</p>
 * <ul>
 * <li>Incremental crawling support with last-modified timestamp checking</li>
 * <li>Document expiration handling</li>
 * <li>Child URL extraction and queueing</li>
 * <li>Integration with Fess configuration and permission systems</li>
 * <li>Client selection based on URL patterns</li>
 * </ul>
 *
 * @see CrawlerThread