* - Thread-safe key management
 * - Key derivation utilities
 * - Memory wiping capabilities
 */
public class SecureKeyManager implements AutoCloseable {

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

    private final Map<String, SecretKey> sessionKeys = new ConcurrentHashMap<>();
    private final Map<String, byte[]> rawKeys = new ConcurrentHashMap<>();

/**
 * API Manager for RAG chat endpoints with SSE streaming support.
 *
 * @author FessProject
 */
public class ChatApiManager extends BaseApiManager {

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

    private static final String CHAT_API_PATH = "/api/v1/chat";
    private static final String STREAM_API_PATH = "/api/v1/chat/stream";

 * the cleanup of old documents during updates.</p>
 */
public class IndexingHelper {
    /** Logger for this class */
    private static final Logger logger = LogManager.getLogger(IndexingHelper.class);

    /** Maximum number of retry attempts for failed operations */
    protected int maxRetryCount = 5;

    /** Default number of rows to process in a single batch */

 */
@Testcontainers
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
@TestMethodOrder(MethodOrderer.MethodName.class)
class SmbFileIntegrationTest {

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

    private static final String IMAGE_NAME = "dperson/samba:latest";
    private static final int SMB_PORT = 445;
    private static final int NETBIOS_PORT = 139;

    static final byte[] UNKNOWN_MAC_ADDRESS = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

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

    private final Object LOCK = new Object();

    private int nbnsIndex = 0;

    private final Map<Name, CacheEntry> addressCache = new HashMap<>();

 * Handles both AES-CCM (SMB 3.0/3.0.2) and AES-GCM (SMB 3.1.1) cipher suites.
 *
 * @author mbechler
 */
public class Smb2EncryptionContext implements AutoCloseable {

    private static final Logger log = LoggerFactory.getLogger(Smb2EncryptionContext.class);

    private final int cipherId;
    private final DialectVersion dialect;
    private byte[] encryptionKey;
    private byte[] decryptionKey;

 * during the crawling process.</p>
 */
public class FileListIndexUpdateCallbackImpl implements IndexUpdateCallback {

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

    /**
     * The key used to specify the pattern for excluding URLs.
     * This constant can be used to retrieve or set the URL exclusion pattern

 * and provides a unified search interface.
 */
public class RankFusionProcessor implements AutoCloseable {

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

    /** Thread-safe list of rank fusion searchers available for processing search requests */
    protected final List<RankFusionSearcher> searchers = new CopyOnWriteArrayList<>();

import org.jspecify.annotations.NullUnmarked;
import org.junit.Test;

/** Functional tests of {@link ClassPath}. */
@NullUnmarked
public class ClassPathTest extends TestCase {
  private static final Logger log = Logger.getLogger(ClassPathTest.class.getName());
  private static final File FILE = new File(".");

  public void testEquals() {
    new EqualsTester()
        .addEqualityGroup(classInfo(ClassPathTest.class), classInfo(ClassPathTest.class))

 * - OPEN: Service is failing, requests are blocked
 * - HALF_OPEN: Testing if service has recovered
 */
public class SmbCircuitBreaker {

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

    /**
     * Circuit breaker states
     */
    public enum State {
        /**
         * Normal operation - requests pass through
         */
        CLOSED,