/usr/share/puppet/modules.available/puppetlabs-apt/lib/ is in puppet-module-puppetlabs-apt 2.3.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/puppet/modules.available/puppetlabs-apt/lib/facter/
/usr/share/puppet/modules.available/puppetlabs-apt/lib/facter/apt_reboot_required.rb
/usr/share/puppet/modules.available/puppetlabs-apt/lib/facter/apt_update_last_success.rb
/usr/share/puppet/modules.available/puppetlabs-apt/lib/facter/apt_updates.rb
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet/
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet/provider/
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet/provider/apt_key/
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet/provider/apt_key/apt_key.rb
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet/type/
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet/type/apt_key.rb
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet_x/
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet_x/apt_key/
/usr/share/puppet/modules.available/puppetlabs-apt/lib/puppet_x/apt_key/patch_openuri.rb