Man pages matching name monitoring::livestatus::class::base::abstract in section 3pm:

Monitoring::Livestatus::Class::Base::Abstract.3pm.en	debian 10 / libmonitoring-livestatus-class-perl
Monitoring::Livestatus::Class::Base::Abstract.3pm.en	debian 11 / libmonitoring-livestatus-class-perl
Monitoring::Livestatus::Class::Base::Abstract.3pm.en	debian 12 / libmonitoring-livestatus-class-perl