alt/base_prot_sig2_alt5.nit:27,6--11: Error: the public property `vpubA2` cannot contain the type `A` from the private module `base_prot_sig`.
alt/base_prot_sig2_alt5.nit:27,6--11: Error: the public property `vpubA2=` cannot contain the type `A` from the private module `base_prot_sig`.