/usr/ is in libclass-std-perl 0.013-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/perl5/
/usr/share/perl5/Class/
/usr/share/perl5/Class/Std.pm
/usr/share/doc/
/usr/share/doc/libclass-std-perl/
/usr/share/doc/libclass-std-perl/changelog.Debian.gz
/usr/share/doc/libclass-std-perl/copyright
/usr/share/doc/libclass-std-perl/examples/
/usr/share/doc/libclass-std-perl/examples/demo_library_AUTOMETHDEF.pl
/usr/share/doc/libclass-std-perl/examples/demo_library_AUTOLOAD_CUMULATIVE.pl
/usr/share/doc/libclass-std-perl/examples/demo_can.pl
/usr/share/doc/libclass-std-perl/examples/demo_perlify.pl
/usr/share/doc/libclass-std-perl/examples/demo_shimmer.pl
/usr/share/doc/libclass-std-perl/examples/demo_unclass.pl
/usr/share/doc/libclass-std-perl/examples/demo_library.pl
/usr/share/doc/libclass-std-perl/examples/demo_library_AUTOLOAD.pl
/usr/share/doc/libclass-std-perl/examples/demo_coercions.pl
/usr/share/man/
/usr/share/man/man3/
/usr/share/man/man3/Class::Std.3pm.gz