//   /|\      |
  //  / | \     f
  // a  b  c
  static final Tree a = new Tree('a');
  static final Tree b = new Tree('b');
  static final Tree c = new Tree('c');
  static final Tree d = new Tree('d', a, b, c);
  static final Tree e = new Tree('e');
  static final Tree f = new Tree('f');
  static final Tree g = new Tree('g', f);
  static final Tree h = new Tree('h', d, e, g);

      return new Object[length];
    }

    @Override
    public SampleElements<Entry<TypeToken, Object>> samples() {
      return new SampleElements<>(
          entry(TypeToken.of(Integer.class), 0),
          entry(TypeToken.of(Number.class), 1),
          entry(new TypeToken<ImmutableList<Integer>>() {}, ImmutableList.of(2)),
          entry(new TypeToken<int[]>() {}, new int[] {3}),

  public void testOnResultOf() {
    EquivalenceTester.of(Equivalence.equals().onResultOf(Functions.toStringFunction()))
        .addEquivalenceGroup(new IntValue(1), new IntValue(1))
        .addEquivalenceGroup(new IntValue(2))
        .test();
  }

  public void testOnResultOf_equals() {
    new EqualsTester()
        .addEqualityGroup(
            Equivalence.identity().onResultOf(Functions.toStringFunction()),

    final SimpleTearDown tearDownOne = new SimpleTearDown();
    stack.addTearDown(tearDownOne);

    final Callback callback =
        new Callback() {
          @Override
          public void run() {
            assertEquals(
                "tearDownTwo should have been run before tearDownOne", false, tearDownOne.ran);
          }
        };

    final SimpleTearDown tearDownTwo = new SimpleTearDown(callback);

  public final boolean add(E e) {
    throw new UnsupportedOperationException();
  }

  public final boolean remove(@Nullable Object object) {
    throw new UnsupportedOperationException();
  }

  public final boolean addAll(Collection<? extends E> newElements) {
    throw new UnsupportedOperationException();
  }

  public final boolean removeAll(Collection<?> oldElements) {
    throw new UnsupportedOperationException();
  }

    checkEntryNotNull(k1, v1);
    return new SingletonImmutableBiMap<K, V>(k1, v1);
  }

  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1, K k2, V v2) {
    return new RegularImmutableBiMap<K, V>(ImmutableMap.of(k1, v1, k2, v2));
  }

  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1, K k2, V v2, K k3, V v3) {
    return new RegularImmutableBiMap<K, V>(ImmutableMap.of(k1, v1, k2, v2, k3, v3));
  }

   *     ImmutableTypeToInstanceMap.<Handler<?>>builder()
   *         .put(new TypeToken<Handler<Foo>>() {}, new FooHandler())
   *         .put(new TypeToken<Handler<Bar>>() {}, new SubBarHandler())
   *         .build();
   * }</pre>
   *
   * <p>After invoking {@link #build()} it is still possible to add more entries and build again.

      super(
          new UnhashableObject(1),
          new UnhashableObject(2),
          new UnhashableObject(3),
          new UnhashableObject(4),
          new UnhashableObject(5));
    }
  }

  public static class Colliders extends SampleElements<Object> {
    public Colliders() {
      super(new Collider(1), new Collider(2), new Collider(3), new Collider(4), new Collider(5));
    }
  }

      super(
          new UnhashableObject(1),
          new UnhashableObject(2),
          new UnhashableObject(3),
          new UnhashableObject(4),
          new UnhashableObject(5));
    }
  }

  public static class Colliders extends SampleElements<Object> {
    public Colliders() {
      super(new Collider(1), new Collider(2), new Collider(3), new Collider(4), new Collider(5));
    }
  }

    @Nullable String string;
  }

  public void testBuilder_withMutableEntry() {
    ImmutableMultimap.Builder<String, Integer> builder = new Builder<>();
    final StringHolder holder = new StringHolder();
    holder.string = "one";
    Entry<String, Integer> entry =
        new AbstractMapEntry<String, Integer>() {
          @Override
          public String getKey() {
            return holder.string;
          }