Man pages matching name dbix::class::relationship::base in section 3pm:

DBIx::Class::Relationship::Base.3pm.en	debian 10 / libdbix-class-perl
DBIx::Class::Relationship::Base.3pm.en	debian 11 / libdbix-class-perl
DBIx::Class::Relationship::Base.3pm.en	debian 12 / libdbix-class-perl