* <ul>
 *   <li>Uses {@code Logger} to log debug information when adding, deleting, or deleting all elevate words.</li>
 * </ul>
 */
public class ElevateWordSettings {
    private static final Logger logger = LogManager.getLogger(ElevateWordSettings.class);

    /** Key for elevate word settings. */
    public static final String ELEVATE_WORD_SETTINGS_KEY = "elevateword";
    /** Key for elevate word boost. */

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

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

    // ===================================================================================
    //                                                                           Attribute

/**
 * API action for admin request header management.
 *
 */
public class ApiAdminReqheaderAction extends FessApiAdminAction {

    /** The logger for this class. */
    private static final Logger logger = LogManager.getLogger(ApiAdminReqheaderAction.class);

    // ===================================================================================
    //                                                                         Constructor

 * API action for admin web authentication management.
 *
 */
public class ApiAdminWebauthAction extends FessApiAdminAction {

    /** The logger for this class. */
    private static final Logger logger = LogManager.getLogger(ApiAdminWebauthAction.class);

    // ===================================================================================
    //                                                                         Constructor

 *
 * This class provides retry logic with exponential backoff for handle
 * reconnection after network failures or server issues.
 */
public class HandleReconnector {

    private static final Logger log = LoggerFactory.getLogger(HandleReconnector.class);

    private final PersistentHandleManager handleManager;
    private final int maxRetries;
    private final long retryDelay;

    /**
     * Create a new handle reconnector

import org.opensearch.script.Script;

import jakarta.annotation.PostConstruct;

/**
 * Helper class for language detection.
 */
public class LanguageHelper {
    private static final Logger logger = LogManager.getLogger(LanguageHelper.class);

    /** An array of language fields. */
    protected String[] langFields;

    /** An array of supported languages. */
    protected String[] supportedLanguages;

 * Provides endpoints for listing, downloading, deleting, and uploading files.
 */
public class ApiAdminStorageAction extends FessApiAdminAction {

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

    // ===================================================================================
    //                                                                         Constructor

 * per thread to avoid synchronization overhead.
 * </p>
 *
 */
public class DataSerializer {

    /** Logger for this class. */
    private static final Logger logger = LogManager.getLogger(DataSerializer.class);

    /** Constant for JavaBin serializer type. */
    protected static final String JAVABIN = "javabin";

    /** Constant for Kryo serializer type. */

 * stream handler.
 *
 * @deprecated {@link NtlmHttpURLConnection} is broken by design.
 */
@Deprecated
public class Handler extends URLStreamHandler {

    private static final Logger log = LoggerFactory.getLogger(Handler.class);

    /**
     * The default HTTP port (<code>80</code>).
     */
    public static final int DEFAULT_HTTP_PORT = 80;

     */
    private SmbFileDirectoryLeasingExtension() {
        // Utility class - prevent instantiation
    }

    private static final Logger log = LoggerFactory.getLogger(SmbFileDirectoryLeasingExtension.class);

    /**
     * Enhanced listFiles method that uses directory leasing for caching when available
     *
     * @param smbFile the SmbFile directory to list