return subtypeOf(newArrayType(upperBounds[0]));
      }
    }
    return JavaVersion.CURRENT.newArrayType(componentType);
  }

  /**
   * Returns a type where {@code rawType} is parameterized by {@code arguments} and is owned by
   * {@code ownerType}.
   */
  static ParameterizedType newParameterizedTypeWithOwner(
      @CheckForNull Type ownerType, Class<?> rawType, Type... arguments) {

   * contained references are {@linkplain Object#equals equal} to each other or both are absent.
   * Note that {@code Optional} instances of differing parameterized types can be equal.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> no differences.
   */
  @Override
  public abstract boolean equals(@CheckForNull Object object);

  /**

   * contained references are {@linkplain Object#equals equal} to each other or both are absent.
   * Note that {@code Optional} instances of differing parameterized types can be equal.
   *
   * <p><b>Comparison to {@code java.util.Optional}:</b> no differences.
   */
  @Override
  public abstract boolean equals(@CheckForNull Object object);

  /**