*/
    public static ResourceManager getInstance() {
        return INSTANCE;
    }

    /**
     * Register a resource for tracking
     *
     * @param resource the resource to track
     * @return resource ID for tracking
     */
    public String registerResource(AutoCloseable resource) {
        if (resource == null) {

    private final int maxAttemptsPerIp;
    private final int maxGlobalAttemptsPerMinute;
    private final Duration lockoutDuration;
    private final Duration cleanupInterval;

    // Tracking maps
    private final Map<String, AccountAttempts> accountAttempts = new ConcurrentHashMap<>();
    private final Map<String, IpAttempts> ipAttempts = new ConcurrentHashMap<>();

import jakarta.annotation.Resource;

/**
 * Action class for handling document redirection requests.
 * This action processes "go" requests that redirect users to specific documents
 * while tracking click events and handling various URL types including file system paths.
 */
public class GoAction extends FessSearchAction {

    /**
     * Default constructor for GoAction.
     */
    public GoAction() {

import org.codelibs.fess.app.web.admin.suggest.SuggestForm;

/**
 * Represents the request body for suggest API operations.
 * This class extends {@link SuggestForm} and adds fields for tracking
 * the number of total, document, and query words.
 */
public class SuggestBody extends SuggestForm {
    /**
     * Constructs a new suggest body.
     */
    public SuggestBody() {
        // do nothing

import java.util.Map;

import org.codelibs.fess.entity.DataStoreParams;

/**
 * Callback interface for handling index update operations during data store processing.
 * This interface provides methods for storing documents, tracking processing metrics,
 * and committing changes to the search index.
 */
public interface IndexUpdateCallback {

    /**
     * Stores a document in the search index with the specified parameters and data.
     *

import jakarta.validation.constraints.Size;

/**
 * Form class for editing users in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing user entries,
 * including tracking information for optimistic locking.
 * Users represent individual accounts that can access and search within the system.
 *
 */
public class EditForm extends CreateForm {

    /**

        }

        return needsRotation;
    }

    /**
     * Reset key rotation tracking after new keys are established
     */
    public void resetKeyRotationTracking() {
        bytesEncrypted.set(0);
        encryptionStartTime = System.currentTimeMillis();
        log.debug("Key rotation tracking reset");
    }

    /**
     * Rotate encryption keys for enhanced security
     *

    // Proactive health monitoring
    private volatile boolean proactiveHealthCheckEnabled = true;
    private final long proactiveCheckInterval = DEFAULT_PROACTIVE_CHECK_INTERVAL;

    // Connection failure tracking
    private final Map<String, Long> lastFailureTimes = new ConcurrentHashMap<>();
    private final Map<String, AtomicInteger> consecutiveFailures = new ConcurrentHashMap<>();

/**
 * Form class for editing data crawling configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing data config entries,
 * including tracking information for optimistic locking and audit trails.
 * Data configs define how to crawl and extract data from databases, CSV files, and other data sources.
 *
 */
public class EditForm extends CreateForm {

    /**

import jakarta.validation.constraints.Size;

/**
 * Form class for editing user groups in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing group entries,
 * including tracking information for optimistic locking and audit trails.
 * Groups are used to organize users and define access permissions.
 *
 */
public class EditForm extends CreateForm {

    /**