* @param otherElements the rest of the elements the set should contain
   * @return an immutable set containing those elements, minus duplicates
   */
  // http://code.google.com/p/google-web-toolkit/issues/detail?id=3028
  @GwtCompatible(serializable = true)
  public static <E extends Enum<E>> ImmutableSet<E> immutableEnumSet(
      E anElement, E... otherElements) {

                // The index changed. We'll need to copy the previous entry.
                tailIndex = newIndex;
                tail = e;
              }
            }
            newTable.set(tailIndex, tail);

            // Clone nodes leading up to the tail.
            for (E e = head; e != tail; e = e.getNext()) {
              int newIndex = e.getHash() & newMask;
              E newNext = newTable.get(newIndex);

    }
  }

  /**
   * Ensures the truth of an expression involving one or more parameters to the calling method.
   *
   * <p>See {@link #checkArgument(boolean, String, Object...)} for details.
   *
   * @since 20.0 (varargs overload since 2.0)
   */
  public static void checkArgument(boolean expression, String errorMessageTemplate, char p1) {
    if (!expression) {

    assertEquals(0, stats.hitCount());

    assertEquals(ImmutableMap.of(), cache.getAll(ImmutableList.<Integer>of()));
    assertEquals(0, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());

    assertEquals(ImmutableMap.of(1, 1), cache.getAll(asList(1)));
    stats = cache.stats();
    assertEquals(1, stats.missCount());

   * Serialized type for all ImmutableSortedMap instances. It captures the logical contents and they
   * are reconstructed using public factory methods. This ensures that the implementation types
   * remain as implementation details.
   */
  @J2ktIncompatible // serialization
  private static class SerializedForm<K, V> extends ImmutableMap.SerializedForm<K, V> {
    private final Comparator<? super K> comparator;

    }

    private abstract class SubOuter extends BaseOuter {
      private abstract class SubInner extends BaseInner {}
    }
  }

  // For Guava bug http://code.google.com/p/guava-libraries/issues/detail?id=1025
  public void testDespiteGenericSignatureFormatError() {
    ImmutableSet<?> unused =
        ImmutableSet.copyOf(
            TypeToken.of(ToReproduceGenericSignatureFormatError.SubOuter.SubInner.class)

    assertEquals(0, stats.hitCount());

    assertEquals(ImmutableMap.of(), cache.getAll(ImmutableList.<Integer>of()));
    assertEquals(0, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());

    assertEquals(ImmutableMap.of(1, 1), cache.getAll(asList(1)));
    stats = cache.stats();
    assertEquals(1, stats.missCount());

      this.delegate = checkNotNull(delegate);
      this.mutex = (mutex == null) ? this : mutex;
    }

    Object delegate() {
      return delegate;
    }

    // No equals and hashCode; see ForwardingObject for details.

    @Override
    public String toString() {
      synchronized (mutex) {
        return delegate.toString();
      }
    }

    // Serialization invokes writeObject only when it's private.

   * Serialized type for all ImmutableSortedMap instances. It captures the logical contents and they
   * are reconstructed using public factory methods. This ensures that the implementation types
   * remain as implementation details.
   */
  @J2ktIncompatible // serialization
  private static class SerializedForm<K, V> extends ImmutableMap.SerializedForm<K, V> {
    private final Comparator<? super K> comparator;

    }
  }

  /**
   * Ensures the truth of an expression involving one or more parameters to the calling method.
   *
   * <p>See {@link #checkArgument(boolean, String, Object...)} for details.
   *
   * @since 20.0 (varargs overload since 2.0)
   */
  public static void checkArgument(boolean expression, String errorMessageTemplate, char p1) {
    if (!expression) {