/usr/ is in libcinnamon-desktop-dev 2.2.3-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/cinnamon-desktop.pc
/usr/include/
/usr/include/cinnamon-desktop/
/usr/include/cinnamon-desktop/libcinnamon-desktop/
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-rr-labeler.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-bg-crossfade.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-wall-clock.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-rr-config.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-rr.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-desktop-thumbnail.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-xkb-info.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/cdesktop-enums.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-bg.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-pnp-ids.h
/usr/include/cinnamon-desktop/libcinnamon-desktop/gnome-desktop-utils.h
/usr/share/
/usr/share/gir-1.0/
/usr/share/gir-1.0/CinnamonDesktop-3.0.gir
/usr/share/gir-1.0/CDesktopEnums-3.0.gir
/usr/share/doc/
/usr/share/doc/libcinnamon-desktop-dev/
/usr/share/doc/libcinnamon-desktop-dev/changelog.Debian.gz
/usr/share/doc/libcinnamon-desktop-dev/changelog.gz
/usr/share/doc/libcinnamon-desktop-dev/copyright
/usr/lib/x86_64-linux-gnu/libcinnamon-desktop.so