Man pages matching name monitoring::livestatus::class::table::servicesbyhostgroup in section 3pm:

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