public NavigableSet<E> subSet(
      @ParametricNullness E fromElement,
      boolean fromInclusive,
      @ParametricNullness E toElement,
      boolean toInclusive) {
    return delegate().subSet(fromElement, fromInclusive, toElement, toInclusive);
  }

  /**
   * A sensible definition of {@link #subSet(Object, boolean, Object, boolean)} in terms of the

    private boolean determineNameMatch(String expectedName, String actualName) {
        String test = expectedName;
        boolean reverse = false;

        if (test.startsWith("!")) {
            reverse = true;
            test = test.substring(1);
        }

        boolean result = actualName.equals(test);

        return reverse != result;
    }

    @Override
    public final boolean cancel(boolean mayInterruptIfRunning) {
      return super.cancel(mayInterruptIfRunning);
    }
  }

  private static final Logger log = Logger.getLogger(AbstractFuture.class.getName());

  private State state;
  private V value;
  private @Nullable Future<? extends V> delegate;
  private @Nullable Throwable throwable;
  private boolean mayInterruptIfRunning;

  private static boolean isDurationBased(Method method) {
    Class<?>[] parameterTypes = method.getParameterTypes();
    return parameterTypes.length >= 1
        && parameterTypes[parameterTypes.length - 1] == Duration.class;
  }

  /** Determines whether the given method returns a boolean value. */
  private static boolean isBoolean(Method method) {
    return method.getReturnType() == boolean.class;
  }

    underlying.put("b", "");

    Map<@Nullable String, Boolean> map =
        Maps.transformValues(
            underlying,
            new Function<@Nullable String, Boolean>() {
              @Override
              public Boolean apply(@Nullable String from) {
                return from == null;
              }
            });
    Map<String, Boolean> expected = ImmutableMap.of("a", true, "b", false);

   * uninterruptibly.
   */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public static boolean awaitUninterruptibly(CountDownLatch latch, long timeout, TimeUnit unit) {
    boolean interrupted = false;
    try {
      long remainingNanos = unit.toNanos(timeout);
      long end = System.nanoTime() + remainingNanos;

      while (true) {
        try {

  @SuppressWarnings("DoNotCall")
  public void testExpiringMemoizedSupplierThreadSafe() throws Throwable {
    Function<Supplier<Boolean>, Supplier<Boolean>> memoizer =
        new Function<Supplier<Boolean>, Supplier<Boolean>>() {
          @Override
          public Supplier<Boolean> apply(Supplier<Boolean> supplier) {
            return Suppliers.memoizeWithExpiration(supplier, Long.MAX_VALUE, TimeUnit.NANOSECONDS);
          }
        };

  @SuppressWarnings("DoNotCall")
  public void testExpiringMemoizedSupplierThreadSafe() throws Throwable {
    Function<Supplier<Boolean>, Supplier<Boolean>> memoizer =
        new Function<Supplier<Boolean>, Supplier<Boolean>>() {
          @Override
          public Supplier<Boolean> apply(Supplier<Boolean> supplier) {
            return Suppliers.memoizeWithExpiration(supplier, Long.MAX_VALUE, TimeUnit.NANOSECONDS);
          }
        };

        }

        @Override
        public boolean removeAll(Collection<?> c) {
          return removeEntriesIf(Maps.<K>keyPredicateOnEntries(in(c)));
        }

        @Override
        public boolean retainAll(Collection<?> c) {
          return removeEntriesIf(Maps.<K>keyPredicateOnEntries(not(in(c))));
        }

        @Override
        public boolean remove(@CheckForNull Object o) {

 */
public abstract class ServerMessageBlock2Response extends ServerMessageBlock2 implements CommonServerMessageBlockResponse {

    private boolean received;
    private boolean error;
    private Long expiration;

    private boolean verifyFailed;
    private Exception exception;
    private boolean asyncHandled;


    /**
     * @param config
     * @param command
     */