// supertype's owner.
    return Modifier.isStatic(((Class<?>) supertype.getRawType()).getModifiers())
        || supertype.getOwnerType() == null
        || isOwnedBySubtypeOf(supertype.getOwnerType());
  }

  private boolean isSubtypeOfArrayType(GenericArrayType supertype) {
    if (runtimeType instanceof Class) {
      Class<?> fromClass = (Class<?>) runtimeType;