}

      private /*static*/ <S> S doConvert(TypeToken<S> type) {
        return checkNotNull(getDefaultValue(type));
      }
    };
  }

  private static TypeToken<?> getFirstTypeParameter(Type type) {
    if (type instanceof ParameterizedType) {
      return TypeToken.of(((ParameterizedType) type).getActualTypeArguments()[0]);
    } else {
      return TypeToken.of(Object.class);
    }

      if (types.length > 0 && mayNeedHiddenThis()) {
        Class<?>[] rawParamTypes = constructor.getParameterTypes();
        if (types.length == rawParamTypes.length
            && rawParamTypes[0] == getDeclaringClass().getEnclosingClass()) {
          // first parameter is the hidden 'this'
          return Arrays.copyOfRange(types, 1, types.length);
        }
      }
      return types;

    assertNotPrimitive(type);
    assertEquals(TypeToken.of(Primitives.unwrap((Class<?>) type.getType())), type.unwrap());
  }

  private static void assertNotWrapper(TypeToken<?> type) {
    assertSame(type, type.unwrap());
  }

  private static void assertNotPrimitiveNorWrapper(TypeToken<?> type) {
    assertNotPrimitive(type);
    assertNotWrapper(type);
  }

  private interface BaseInterface {}

  /** Creates an empty {@code EnumMultiset}. */
  private EnumMultiset(Class<E> type) {
    this.type = type;
    checkArgument(type.isEnum());
    this.enumConstants = type.getEnumConstants();
    this.counts = new int[enumConstants.length];
  }

  private boolean isActuallyE(@CheckForNull Object o) {
    if (o instanceof Enum) {
      Enum<?> e = (Enum<?>) o;
      int index = e.ordinal();

    assertFalse(JPEG.hasWildcard());
    assertTrue(ANY_TYPE.hasWildcard());
    assertTrue(ANY_APPLICATION_TYPE.hasWildcard());
    assertTrue(ANY_AUDIO_TYPE.hasWildcard());
    assertTrue(ANY_IMAGE_TYPE.hasWildcard());
    assertTrue(ANY_TEXT_TYPE.hasWildcard());
    assertTrue(ANY_VIDEO_TYPE.hasWildcard());
  }

  public void testIs() {
    assertTrue(PLAIN_TEXT_UTF_8.is(ANY_TYPE));
    assertTrue(JPEG.is(ANY_TYPE));

    assertFalse(JPEG.hasWildcard());
    assertTrue(ANY_TYPE.hasWildcard());
    assertTrue(ANY_APPLICATION_TYPE.hasWildcard());
    assertTrue(ANY_AUDIO_TYPE.hasWildcard());
    assertTrue(ANY_IMAGE_TYPE.hasWildcard());
    assertTrue(ANY_TEXT_TYPE.hasWildcard());
    assertTrue(ANY_VIDEO_TYPE.hasWildcard());
  }

  public void testIs() {
    assertTrue(PLAIN_TEXT_UTF_8.is(ANY_TYPE));
    assertTrue(JPEG.is(ANY_TYPE));

    return this;
  }

  /**
   * Sets distinct values for {@code type}, so that when a class {@code Foo} is tested for {@link
   * Object#equals} and {@link Object#hashCode}, and its construction requires a parameter of {@code
   * type}, the distinct values of {@code type} can be passed as parameters to create {@code Foo}
   * instances that are unequal.
   *

    TypeToken<ImmutableList<Integer>[]> type = new TypeToken<ImmutableList<Integer>[]>() {};
    map.putInstance(type, array);
    assertEquals(1, map.size());
    assertThat(map.getInstance(type)).asList().containsExactly(array[0]);
  }

  public void testWildcardType() {
    TypeToken<ImmutableList<?>> type = new TypeToken<ImmutableList<?>>() {};
    map.putInstance(type, ImmutableList.of(1));
    assertEquals(1, map.size());

  static boolean isCheckedException(Class<? extends Exception> type) {
    return !RuntimeException.class.isAssignableFrom(type);
  }

  @VisibleForTesting
  static void checkExceptionClassValidity(Class<? extends Exception> exceptionClass) {
    checkArgument(
        isCheckedException(exceptionClass),
        "Futures.getChecked exception type (%s) must not be a RuntimeException",
        exceptionClass);

 * "undo" it as best we can.
 */
@GwtCompatible
@Retention(RUNTIME)
@Target(TYPE)
@TypeQualifierDefault({FIELD, METHOD, PARAMETER})
@Nonnull