/usr/ is in caribou-antler 0.4.21-5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/caribou/
/usr/lib/caribou/antler-keyboard
/usr/lib/python3/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/caribou/
/usr/lib/python3/dist-packages/caribou/antler/
/usr/lib/python3/dist-packages/caribou/antler/__init__.py
/usr/lib/python3/dist-packages/caribou/antler/antler_settings.py
/usr/lib/python3/dist-packages/caribou/antler/keyboard_view.py
/usr/lib/python3/dist-packages/caribou/antler/main.py
/usr/lib/python3/dist-packages/caribou/antler/window.py
/usr/share/
/usr/share/antler/
/usr/share/antler/dark-key-border.svg
/usr/share/antler/style.css
/usr/share/dbus-1/
/usr/share/dbus-1/services/
/usr/share/dbus-1/services/org.gnome.Caribou.Antler.service
/usr/share/doc/
/usr/share/doc/caribou-antler/
/usr/share/doc/caribou-antler/copyright
/usr/share/glib-2.0/
/usr/share/glib-2.0/schemas/
/usr/share/glib-2.0/schemas/org.gnome.antler.gschema.xml
/usr/share/doc/caribou-antler/changelog.Debian.gz