/usr/ is in libpeas-dev 1.8.1-2ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/pkgconfig/
/usr/lib/pkgconfig/libpeas-1.0.pc
/usr/lib/pkgconfig/libpeas-gtk-1.0.pc
/usr/share/
/usr/share/gir-1.0/
/usr/share/gir-1.0/PeasGtk-1.0.gir
/usr/share/gir-1.0/Peas-1.0.gir
/usr/share/doc/
/usr/share/doc/libpeas-dev/
/usr/share/doc/libpeas-dev/copyright
/usr/share/glade/
/usr/share/glade/catalogs/
/usr/share/glade/catalogs/libpeas-gtk.xml
/usr/include/
/usr/include/libpeas-1.0/
/usr/include/libpeas-1.0/libpeas-gtk/
/usr/include/libpeas-1.0/libpeas-gtk/peas-gtk-configurable.h
/usr/include/libpeas-1.0/libpeas-gtk/peas-gtk.h
/usr/include/libpeas-1.0/libpeas-gtk/peas-gtk-plugin-manager.h
/usr/include/libpeas-1.0/libpeas-gtk/peas-gtk-plugin-manager-view.h
/usr/include/libpeas-1.0/libpeas/
/usr/include/libpeas-1.0/libpeas/peas-extension.h
/usr/include/libpeas-1.0/libpeas/peas-engine.h
/usr/include/libpeas-1.0/libpeas/peas.h
/usr/include/libpeas-1.0/libpeas/peas-plugin-info.h
/usr/include/libpeas-1.0/libpeas/peas-extension-set.h
/usr/include/libpeas-1.0/libpeas/peas-object-module.h
/usr/include/libpeas-1.0/libpeas/peas-extension-base.h
/usr/include/libpeas-1.0/libpeas/peas-activatable.h
/usr/lib/libpeas-gtk-1.0.so
/usr/lib/libpeas-1.0.so
/usr/share/doc/libpeas-dev/AUTHORS
/usr/share/doc/libpeas-dev/NEWS.gz
/usr/share/doc/libpeas-dev/README.gz
/usr/share/doc/libpeas-dev/changelog.Debian.gz