=head2 parameterize (@args)
-Given a ref of type constraints, create a structured type.
+Given a ref of type constraints, create a parameterized constraint
=cut
constraining_value => $args,
parent_type_constraint=>$self->parent_type_constraint,
constraining_value_type_constraint => $self->constraining_value_type_constraint,
+ message => $self->message,
);
## TODO This is probably going to have to go away (too many things added to the registry)