assertEquals(Types.subtypeOf(Number[].class), Types.newArrayType(wildcard));
  }

  public void testNewArrayType_lowerBoundedWildcard() {
    Type wildcard = Types.supertypeOf(Number.class);
    assertEquals(Types.supertypeOf(Number[].class), Types.newArrayType(wildcard));
  }

  public void testNewArrayType_serializable() {
    SerializableTester.reserializeAndAssert(Types.newArrayType(int[].class));
  }

    assertEquals(Types.subtypeOf(Number[].class), Types.newArrayType(wildcard));
  }

  public void testNewArrayType_lowerBoundedWildcard() {
    Type wildcard = Types.supertypeOf(Number.class);
    assertEquals(Types.supertypeOf(Number[].class), Types.newArrayType(wildcard));
  }

  public void testNewArrayType_serializable() {
    SerializableTester.reserializeAndAssert(Types.newArrayType(int[].class));
  }

  static Type newArrayType(Type componentType) {
    if (componentType instanceof WildcardType) {
      WildcardType wildcard = (WildcardType) componentType;
      Type[] lowerBounds = wildcard.getLowerBounds();
      checkArgument(lowerBounds.length <= 1, "Wildcard cannot have more than one lower bounds.");
      if (lowerBounds.length == 1) {
        return supertypeOf(newArrayType(lowerBounds[0]));
      } else {

  }

  public void testGenericArrayType() {
    GenericArray<?> genericArray = new GenericArray<>();
    assertEquals(GenericArray.class.getTypeParameters()[0], genericArray.t);
    assertEquals(Types.newArrayType(genericArray.t), genericArray.array);
  }

  public void testClassWrapper() {
    TypeToken<String> typeExpression = TypeToken.of(String.class);
    assertEquals(String.class, typeExpression.getType());

  }

  public void testGenericArrayType() {
    GenericArray<?> genericArray = new GenericArray<>();
    assertEquals(GenericArray.class.getTypeParameters()[0], genericArray.t);
    assertEquals(Types.newArrayType(genericArray.t), genericArray.array);
  }

  public void testClassWrapper() {
    TypeToken<String> typeExpression = TypeToken.of(String.class);
    assertEquals(String.class, typeExpression.getType());

  }

  private Type resolveGenericArrayType(GenericArrayType type) {
    Type componentType = type.getGenericComponentType();
    Type resolvedComponentType = resolveType(componentType);
    return Types.newArrayType(resolvedComponentType);
  }

  private ParameterizedType resolveParameterizedType(ParameterizedType type) {
    Type owner = type.getOwnerType();
    Type resolvedOwner = (owner == null) ? null : resolveType(owner);

    if (type instanceof ParameterizedType) {
      return canonicalizeWildcardsInParameterizedType((ParameterizedType) type);
    }
    if (type instanceof GenericArrayType) {
      return Types.newArrayType(
          canonicalizeWildcardsInType(((GenericArrayType) type).getGenericComponentType()));
    }
    return type;
  }

        Types.subtypeOf(Object.class),
        TypeToken.of(Types.subtypeOf(Object[].class)).getComponentType().getType());
    assertEquals(
        Types.subtypeOf(Object[].class),
        Types.newArrayType(
            TypeToken.of(Types.subtypeOf(Object[].class)).getComponentType().getType()));
    assertEquals(
        int.class, TypeToken.of(Types.subtypeOf(int[].class)).getComponentType().getType());

        Types.subtypeOf(Object.class),
        TypeToken.of(Types.subtypeOf(Object[].class)).getComponentType().getType());
    assertEquals(
        Types.subtypeOf(Object[].class),
        Types.newArrayType(
            TypeToken.of(Types.subtypeOf(Object[].class)).getComponentType().getType()));
    assertEquals(
        int.class, TypeToken.of(Types.subtypeOf(int[].class)).getComponentType().getType());