/lib/systemd/system/packagekit.service is in packagekit 1.1.5-2+deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | [Unit]
Description=PackageKit Daemon
[Service]
Type=dbus
BusName=org.freedesktop.PackageKit
User=root
ExecStart=/usr/lib/packagekit/packagekitd
|