Man pages matching name moosex::app::plugin::mutexgroup in section 3pm:

MooseX::App::Plugin::MutexGroup.3pm.en	debian 10 / libmoosex-app-perl
MooseX::App::Plugin::MutexGroup.3pm.en	debian 11 / libmoosex-app-perl
MooseX::App::Plugin::MutexGroup.3pm.en	debian 12 / libmoosex-app-perl