alt/base_prot_sig2_alt3.nit:23,13--22: Error: the public property `vpubA` cannot contain the type `A` from the private module `base_prot_sig`.
alt/base_prot_sig2_alt3.nit:23,13--22: Error: the public property `vpubA=` cannot contain the type `A` from the private module `base_prot_sig`.