}

  private static final class BiMapPair<K, V> implements Serializable {
    final BiMap<K, V> forward;
    final BiMap<V, K> backward;

    BiMapPair(BiMap<K, V> original) {
      this.forward = original;
      this.backward = original.inverse();
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

  /**

     */
    public static <T> Iterable<Indexed<T>> indexed(final Iterator<T> iterator) {
        assertArgumentNotNull("iterator", iterator);

        return () -> new IndexedIterator<>(iterator);
    }

    /**
     * Constructs an instance.
     *
     * @param iterator the iterator (must not be {@literal null})
     */
    public IndexedIterator(final Iterator<T> iterator) {

  }

  private static final class WrappedCallable<T> implements Callable<T> {
    private final Callable<T> delegate;

    WrappedCallable(Callable<T> delegate) {
      this.delegate = delegate;
    }

    @Override
    public T call() throws Exception {
      return delegate.call();
    }
  }

  private static final class WrappedRunnable implements Runnable {

    public void functionScore(OperatorCall<SearchLogCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<SearchLogCQ>> functionsLambda,
            final ConditionOptionCall<FunctionScoreQueryBuilder> opLambda) {
        SearchLogCQ cq = new SearchLogCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {

  final ExecutorService closingExecutor = newSingleThreadExecutor();

  final TestCloseable closeable1 = new TestCloseable("closeable1");
  final TestCloseable closeable2 = new TestCloseable("closeable2");
  final TestCloseable closeable3 = new TestCloseable("closeable3");
  final TestCloseable closeable4 = new TestCloseable("closeable4");

  final Waiter waiter = new Waiter();

        // K must actually be K0, since enums are effectively final
        // (their subclasses are inaccessible)
        return (Map<K, Collection<V>>) new EnumMap<K0, Collection<V>>(keyClass);
      }
    };
  }

  private static final class ArrayListSupplier<V extends @Nullable Object>
      implements Supplier<List<V>>, Serializable {
    private final int expectedValuesPerKey;

        // K must actually be K0, since enums are effectively final
        // (their subclasses are inaccessible)
        return (Map<K, Collection<V>>) new EnumMap<K0, Collection<V>>(keyClass);
      }
    };
  }

  private static final class ArrayListSupplier<V extends @Nullable Object>
      implements Supplier<List<V>>, Serializable {
    private final int expectedValuesPerKey;

     * everywhere.
     */
    static final class Sync<V> extends AbstractQueuedSynchronizer {

      private static final long serialVersionUID = 0L;

      /* Valid states. */
      static final int RUNNING = 0;
      static final int COMPLETING = 1;
      static final int COMPLETED = 2;
      static final int CANCELLED = 4;
      static final int INTERRUPTED = 8;

      private V value;

public class ServerResponseValidator {

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

    // Protocol limits
    private static final int MAX_SMB_MESSAGE_SIZE = 16 * 1024 * 1024; // 16MB max for SMB3
    private static final int MAX_SMB1_MESSAGE_SIZE = 65535; // 64KB for SMB1
    private static final int MIN_SMB_HEADER_SIZE = 32;
    private static final int MAX_PATH_COMPONENT_SIZE = 255;

    public static final int MAX_BUFFER_SIZE = 65536; // 64KB default max buffer
    public static final int MAX_SMB2_BUFFER_SIZE = 8388608; // 8MB for SMB2/3
    public static final int MAX_CREDITS = 65535;

    // Patterns for validation
    private static final Pattern VALID_USERNAME = Pattern.compile("^[a-zA-Z0-9._\\-@]+$");
    private static final Pattern VALID_DOMAIN = Pattern.compile("^[a-zA-Z0-9._\\-]+$");