SettableFuture<Object> async = SettableFuture.create();
    SettableFuture<Object> inner = SettableFuture.create();
    async.setFuture(inner);
    async.cancel(false);
    assertTrue(inner.isCancelled());
    assertFalse(inner.wasInterrupted());
    assertThrows(CancellationException.class, () -> inner.get());
  }

  public void testCancel_beforeSet() throws Exception {

   * @throws IllegalArgumentException if {@code expectedSize} is negative
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>
      CompactHashMap<K, V> createWithExpectedSize(int expectedSize) {
    return new CompactHashMap<>(expectedSize);
  }

  private static final Object NOT_FOUND = new Object();

  /**
   * Maximum allowed false positive probability of detecting a hash flooding attack given random

 * @since 7.0
 */
@DoNotMock("Use ImmutableTable, HashBasedTable, or another implementation")
@GwtCompatible
public interface Table<
    R extends @Nullable Object, C extends @Nullable Object, V extends @Nullable Object> {
  // TODO(jlevy): Consider adding methods similar to ConcurrentMap methods.

  // Accessors

  /**

	for _, router := range routers {
		// Register all rejected object APIs
		for _, r := range rejectedObjAPIs {
			t := router.Methods(r.methods...).
				HandlerFunc(collectAPIStats(r.api, httpTraceAll(notImplementedHandler))).
				Queries(r.queries...)
			t.Path(r.path)
		}

		// Object operations
		// HeadObject
		router.Methods(http.MethodHead).Path("/{object:.+}").
			HandlerFunc(s3APIMiddleware(api.HeadObjectHandler))

		objectName string
		sipHash    int
	}{
		// cases which should pass the test.
		// passing in valid object name.
		{"object", 37},
		{"The Shining Script <v1>.pdf", 38},
		{"Cost Benefit Analysis (2009-2010).pptx", 59},
		{"117Gn8rfHL2ACARPAhaFd0AGzic9pUbIA/5OCn5A", 35},
		{"SHØRT", 49},
		{"There are far too many object names, and far too few bucket names!", 8},
		{"a/b/c/", 159},
		{"/a/b/c", 96},

public final class SafeTreeMap<K, V> implements Serializable, NavigableMap<K, V> {
  @SuppressWarnings("unchecked")
  private static final Comparator<Object> NATURAL_ORDER =
      new Comparator<Object>() {
        @Override
        public int compare(Object o1, Object o2) {
          return ((Comparable<Object>) o1).compareTo(o2);
        }
      };

  private final NavigableMap<K, V> delegate;

  public SafeTreeMap() {

	MetaSsecCRC = "X-Minio-Replication-Ssec-Crc"

	// MetaContext is the KMS context provided by a client when encrypting an
	// object with SSE-KMS. A client may not send a context in which case the
	// MetaContext will not be present.
	// MetaContext only contains the bucket/object name if the client explicitly
	// added it. However, when decrypting an object the bucket/object name must

    Object unused1 = new Object() {};
    Object unused2 = new Object() {};
    Object unused3 = new Object() {};
    Object unused4 = new Object() {};
    Object unused5 = new Object() {};
    Object unused6 = new Object() {};
    Object unused7 = new Object() {};
    Object unused8 = new Object() {};
    Object unused9 = new Object() {};
    Object o10 = new Object() {};

    return ordering.compare(function.apply(left), function.apply(right));
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object == this) {
      return true;
    }
    if (object instanceof ByFunctionOrdering) {
      ByFunctionOrdering<?, ?> that = (ByFunctionOrdering<?, ?>) object;
      return this.function.equals(that.function) && this.ordering.equals(that.ordering);
    }
    return false;
  }

		err = NotImplemented{}
	case "OutOfRangeInput":
		err = ObjectNameInvalid{
			Bucket: bucket,
			Object: object,
		}
	default:
		switch statusCode {
		case http.StatusNotFound:
			if object != "" {
				err = ObjectNotFound{
					Bucket: bucket,
					Object: object,
				}
			} else {
				err = BucketNotFound{Bucket: bucket}
			}
		case http.StatusBadRequest: