/usr/share/dbus-1/system-services/org.kde.discover.libsnapclient.service is in plasma-discover-snap-backend 5.12.4-0ubuntu1.
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=org.kde.discover.libsnapclient
Exec=/usr/lib/x86_64-linux-gnu/libexec/kauth/libsnap_helper
User=root
|