Man pages matching name moox::options::manual::namespaceclean in section 3pm:

MooX::Options::Manual::NamespaceClean.3pm.en	debian 10 / libmoox-options-perl
MooX::Options::Manual::NamespaceClean.3pm.en	debian 11 / libmoox-options-perl
MooX::Options::Manual::NamespaceClean.3pm.en	debian 12 / libmoox-options-perl