Man pages matching name module::build::platform::vos in section 3pm:

Module::Build::Platform::VOS.3pm.en	debian 10 / libmodule-build-perl
Module::Build::Platform::VOS.3pm.en	debian 11 / libmodule-build-perl
Module::Build::Platform::VOS.3pm.en	debian 12 / libmodule-build-perl