/usr/share/perl5/Debian/ is in libdebian-source-perl 0.99.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Debian/Control/
/usr/share/perl5/Debian/Control.pm
/usr/share/perl5/Debian/Control/Stanza/
/usr/share/perl5/Debian/Control/Stanza.pm
/usr/share/perl5/Debian/Control/Stanza/Binary.pm
/usr/share/perl5/Debian/Control/Stanza/CommaSeparated.pm
/usr/share/perl5/Debian/Control/Stanza/Source.pm
/usr/share/perl5/Debian/Dependencies.pm
/usr/share/perl5/Debian/Dependency.pm
/usr/share/perl5/Debian/DpkgLists.pm
/usr/share/perl5/Debian/Rules.pm
/usr/share/perl5/Debian/WNPP/
/usr/share/perl5/Debian/WNPP/Bug.pm
/usr/share/perl5/Debian/WNPP/Query.pm