/usr/share/perl5/ is in libmousex-foreign-perl 0.007-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/MouseX/
/usr/share/perl5/MouseX/NonMoose/
/usr/share/perl5/MouseX/NonMoose/Meta/
/usr/share/perl5/MouseX/NonMoose/Meta/Role/
/usr/share/perl5/MouseX/NonMoose/Meta/Role/Class.pm
/usr/share/perl5/MouseX/NonMoose/Meta/Role/Method/
/usr/share/perl5/MouseX/NonMoose/Meta/Role/Method/Constructor.pm
/usr/share/perl5/MouseX/NonMoose/Meta/Role/Method/Destructor.pm
/usr/share/perl5/MouseX/Foreign/
/usr/share/perl5/MouseX/Foreign/Meta/
/usr/share/perl5/MouseX/Foreign/Meta/Role/
/usr/share/perl5/MouseX/Foreign/Meta/Role/Class.pm
/usr/share/perl5/MouseX/Foreign/Meta/Role/Method/
/usr/share/perl5/MouseX/Foreign/Meta/Role/Method/Constructor.pm
/usr/share/perl5/MouseX/Foreign/Meta/Role/Method/Destructor.pm
/usr/share/perl5/MouseX/Foreign.pm
/usr/share/perl5/MouseX/NonMoose.pm