/usr/share/perl5/Debian/ is in pkg-kde-tools 0.15.28ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Debian/Debhelper/
/usr/share/perl5/Debian/Debhelper/Buildsystem/
/usr/share/perl5/Debian/Debhelper/Buildsystem/kde.pm
/usr/share/perl5/Debian/Debhelper/Buildsystem/kf5.pm
/usr/share/perl5/Debian/Debhelper/Sequence/
/usr/share/perl5/Debian/Debhelper/Sequence/kde.pm
/usr/share/perl5/Debian/Debhelper/Sequence/kf5.pm
/usr/share/perl5/Debian/Debhelper/Sequence/pkgkde_symbolshelper.pm
/usr/share/perl5/Debian/Debhelper/Sequence/qmlcdeps.pm
/usr/share/perl5/Debian/Debhelper/Sequence/sodeps.pm
/usr/share/perl5/Debian/PkgKde/
/usr/share/perl5/Debian/PkgKde.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/CompileTest.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/Patching.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/String.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/Subst.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/Substs/
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/Substs.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/Substs/TypeSubst.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/Symbol.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/SymbolFile.pm
/usr/share/perl5/Debian/PkgKde/SymbolsHelper/SymbolFileCollection.pm