Man pages matching name object::pluggable::constants in section 3pm:

Object::Pluggable::Constants.3pm.en	debian 10 / libobject-pluggable-perl
Object::Pluggable::Constants.3pm.en	debian 11 / libobject-pluggable-perl
Object::Pluggable::Constants.3pm.en	debian 12 / libobject-pluggable-perl