Man pages matching name devel::confess::builtin in section 3pm:

Devel::Confess::Builtin.3pm.en	debian 10 / libdevel-confess-perl
Devel::Confess::Builtin.3pm.en	debian 11 / libdevel-confess-perl
Devel::Confess::Builtin.3pm.en	debian 12 / libdevel-confess-perl