return false;
      }
    }
    // We only care about the case when the supertype is a non-static inner class
    // in which case we need to make sure the subclass's owner type is a subtype of the
    // supertype's owner.
    return Modifier.isStatic(((Class<?>) supertype.getRawType()).getModifiers())
        || supertype.getOwnerType() == null
        || isOwnedBySubtypeOf(supertype.getOwnerType());
  }