return immutableEntry((TypeToken) k, v);
    }

    @Override
    @SuppressWarnings("unchecked")
    public Entry<TypeToken, Object>[] createArray(int length) {
      return (Entry<TypeToken, Object>[]) new Entry<?, ?>[length];
    }

    @Override
    public Iterable<Entry<TypeToken, Object>> order(List<Entry<TypeToken, Object>> insertionOrder) {

    assertNull(map.get(TypeToken.of(Integer.class)));
    assertNull(map.getInstance(Integer.class));

    map.putInstance(Long.class, null);
    assertTrue(map.containsKey(TypeToken.of(Long.class)));
    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Long.class), null)));
    assertNull(map.get(TypeToken.of(Long.class)));
    assertNull(map.getInstance(Long.class));

            new TypeToken<Class3<String>>() {},
            new TypeToken<Interface3<String>>() {},
            new TypeToken<Iterable<String>>() {},
            TypeToken.of(Class2.class),
            TypeToken.of(Interface12.class),
            TypeToken.of(Interface1.class),
            TypeToken.of(Interface2.class),
            TypeToken.of(Class1.class),
            TypeToken.of(Object.class));

    Invokable<?, Iterable<String>> delegate =
        Prepender.method("prepend", String.class, Iterable.class)
            .returning(new TypeToken<Iterable<String>>() {});
    assertEquals(new TypeToken<Iterable<String>>() {}, delegate.getReturnType());
    Iterable<String> result = delegate.invoke(null, "a", ImmutableList.of("b", "c"));

      return immutableEntry((TypeToken) k, v);
    }

    @Override
    @SuppressWarnings("unchecked")
    public Entry<TypeToken, Object>[] createArray(int length) {
      return (Entry<TypeToken, Object>[]) new Entry<?, ?>[length];
    }

    @Override
    public Iterable<Entry<TypeToken, Object>> order(List<Entry<TypeToken, Object>> insertionOrder) {

            new TypeToken<Class3<String>>() {},
            new TypeToken<Interface3<String>>() {},
            new TypeToken<Iterable<String>>() {},
            TypeToken.of(Class2.class),
            TypeToken.of(Interface12.class),
            TypeToken.of(Interface1.class),
            TypeToken.of(Interface2.class),
            TypeToken.of(Class1.class),
            TypeToken.of(Object.class));

    assertNull(map.get(TypeToken.of(Integer.class)));
    assertNull(map.getInstance(Integer.class));

    map.putInstance(Long.class, null);
    assertTrue(map.containsKey(TypeToken.of(Long.class)));
    assertTrue(map.entrySet().contains(immutableEntry(TypeToken.of(Long.class), null)));
    assertNull(map.get(TypeToken.of(Long.class)));
    assertNull(map.getInstance(Long.class));

   * </ul>
   */
  final @Nullable Object generateFresh(TypeToken<?> type) {
    Object generated = generate(type);
    if (generated != null) {
      freshness.incrementAndGet();
    }
    return generated;
  }

  final <T> @Nullable T generateFresh(Class<T> type) {
    return Primitives.wrap(type).cast(generateFresh(TypeToken.of(type)));
  }

    Invokable<?, Iterable<String>> delegate =
        Prepender.method("prepend", String.class, Iterable.class)
            .returning(new TypeToken<Iterable<String>>() {});
    assertEquals(new TypeToken<Iterable<String>>() {}, delegate.getReturnType());
    Iterable<String> result = delegate.invoke(null, "a", ImmutableList.of("b", "c"));

   * </ul>
   */
  final @Nullable Object generateFresh(TypeToken<?> type) {
    Object generated = generate(type);
    if (generated != null) {
      freshness.incrementAndGet();
    }
    return generated;
  }

  final <T> @Nullable T generateFresh(Class<T> type) {
    return Primitives.wrap(type).cast(generateFresh(TypeToken.of(type)));
  }