return tmp.toArray(new String[0]);
  }

  static <T> Comparator<T> arbitraryNullFriendlyComparator() {
    return new NullFriendlyComparator<>();
  }

  private static final class NullFriendlyComparator<T> implements Comparator<T>, Serializable {
    @Override
    public int compare(T left, T right) {
      return String.valueOf(left).compareTo(String.valueOf(right));
    }
  }

 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
@Immutable
@SuppressWarnings("IdentifierName") // the best we could do for adjacent digit blocks
final class Murmur3_32HashFunction extends AbstractHashFunction implements Serializable {
  static final HashFunction MURMUR3_32 =
      new Murmur3_32HashFunction(0, /* supplementaryPlaneFix= */ false);
  static final HashFunction MURMUR3_32_FIXED =

 *
 * This response contains information about the server's capabilities,
 * security mode, and supported protocol version.
 */
public class SmbComNegotiateResponse extends ServerMessageBlock implements SmbNegotiationResponse {

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

    private int dialectIndex;

    /* Negotiated values */

        return new ManagedResource<>(resource, resourceId, this);
    }

    /**
     * Wrapper for managed resources
     */
    public static class ManagedResource<T extends AutoCloseable> implements AutoCloseable {
        private final T resource;
        private final String resourceId;
        private final ResourceManager manager;
        private volatile boolean closed = false;

 * - Per-IP rate limiting
 * - Global rate limiting
 * - Exponential backoff for repeated failures
 * - Account lockout after threshold
 * - Automatic cleanup of old entries
 */
public class AuthenticationRateLimiter implements AutoCloseable {

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

    // Rate limiting configuration
    private final int maxAttemptsPerAccount;

import jcifs.CIFSException;

@ExtendWith(MockitoExtension.class)
class SSPContextTest {

    // Simple, deterministic test double covering all methods of SSPContext.
    private static class DummySSPContext implements SSPContext {
        private byte[] signingKey;
        private boolean established;
        private String nbName;
        private ASN1ObjectIdentifier[] supportedMechs;
        private int flags;

 * parameter and data buffer encoding, multi-part transactions, and setup word management.
 */
public abstract class SmbComTransaction extends ServerMessageBlock implements Enumeration<SmbComTransaction> {

    // relative to headerStart
    private static final int PRIMARY_SETUP_OFFSET = 61;
    private static final int SECONDARY_PARAMETER_OFFSET = 51;

 *     getTypeText: Domain group
 *   getDomainName: WNET
 *  getAccountName: Domain Admins
 * </pre>
 *
 *
 * <p>This section is intended for internal use.</p>
 */
public class SID extends rpc.sid_t implements jcifs.SID {

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

    static final String[] SID_TYPE_NAMES =

  /**
   * Flattens a class's type hierarchy into a set of {@code Class} objects including all
   * superclasses (transitively) and all interfaces implemented by these superclasses.
   */
  @VisibleForTesting
  static ImmutableSet<Class<?>> flattenHierarchy(Class<?> concreteClass) {
    return flattenHierarchyCache.getUnchecked(concreteClass);
  }

  /**
   * Intercepts calls to a {@code Map} to check that {@code setUpRan} is true when they happen. Then
   * forwards the calls to the underlying {@code Map}.
   */
  private static class CheckSetUpInvocationHandler implements InvocationHandler, Serializable {
    private final Map<String, String> map;
    private final AtomicBoolean setUpRan;

    CheckSetUpInvocationHandler(Map<String, String> map, AtomicBoolean setUpRan) {