/usr/ is in cl-std-srvs 1.11.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/common-lisp/
/usr/share/common-lisp/ros/
/usr/share/common-lisp/ros/std_srvs/
/usr/share/common-lisp/ros/std_srvs/srv/
/usr/share/
/usr/share/common-lisp/ros/std_srvs/srv/Empty.lisp
/usr/share/common-lisp/ros/std_srvs/srv/_package_Trigger.lisp
/usr/share/common-lisp/ros/std_srvs/srv/Trigger.lisp
/usr/share/common-lisp/ros/std_srvs/srv/std_srvs-srv.asd
/usr/share/common-lisp/ros/std_srvs/srv/_package_Empty.lisp
/usr/share/common-lisp/ros/std_srvs/srv/_package.lisp
/usr/share/doc/
/usr/share/doc/cl-std-srvs/
/usr/share/doc/cl-std-srvs/copyright
/usr/share/doc/cl-std-srvs/changelog.Debian.gz