/usr/share/dbus-1/services/org.freedesktop.Telepathy.MissionControl5.service is in telepathy-mission-control-5 1:5.16.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [D-BUS Service]
Name=org.freedesktop.Telepathy.MissionControl5
Exec=/usr/bin/mc-wait-for-name --activate org.freedesktop.Telepathy.AccountManager org.freedesktop.Telepathy.MissionControl5
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