/usr/share/dbus-1/services/io.snapcraft.Launcher.service is in snapd 2.32.5+18.04.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [D-BUS Service]
Name=io.snapcraft.Launcher
Exec=/usr/bin/snap userd
AssumedAppArmorLabel=unconfined
|