/usr/lib/ is in libglib-perl 3:1.320-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.22/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Glib/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Glib/Glib.so
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/KeyFile.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/UInt.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/GType.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/Flags.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/String.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/Double.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/Unichar.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/Int64.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/Enum.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/Boolean.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/UInt64.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Param/Int.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Flags.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/MainLoop.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/OptionGroup.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/GenPod.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Object.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Markup.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/BookmarkFile.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Log.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/CodeGen.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/version.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/OptionContext.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Bytes.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Signal.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Error.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Install/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Install/Files.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Install/doctypes
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Install/gperl.h
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Install/typemap
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Install/gperl_marshal.h
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/xsapi.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Variant.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/devel.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Type.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/VariantType.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Utils.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Boxed.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/index.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/ParseXSDoc.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/ParamSpec.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/MakeHelper.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Object/
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib/Object/Subclass.pm
/usr/lib/x86_64-linux-gnu/perl5/5.22/Glib.pm