/usr/ is in libefreet-dev 1.8.6-2.5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/
/usr/lib/x86_64-linux-gnu/pkgconfig/efreet-trash.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/efreet-mime.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/efreet.pc
/usr/include/
/usr/include/efreet-1/
/usr/include/efreet-1/efreet_base.h
/usr/include/efreet-1/Efreet_Mime.h
/usr/include/efreet-1/Efreet.h
/usr/include/efreet-1/efreet_icon.h
/usr/include/efreet-1/Efreet_Trash.h
/usr/include/efreet-1/efreet_uri.h
/usr/include/efreet-1/efreet_desktop.h
/usr/include/efreet-1/efreet_utils.h
/usr/include/efreet-1/efreet_ini.h
/usr/include/efreet-1/efreet_menu.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libefreet-dev/
/usr/share/doc/libefreet-dev/copyright
/usr/lib/x86_64-linux-gnu/libefreet.so
/usr/lib/x86_64-linux-gnu/libefreet_trash.so
/usr/lib/x86_64-linux-gnu/libefreet_mime.so
/usr/share/doc/libefreet-dev/changelog.Debian.gz