/usr/share/geoclue-providers/geoclue-gsmloc.provider is in geoclue-gsmloc 0.12.99-3ubuntu1.
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 | [Geoclue Provider]
Name=Gsmloc
Service=org.freedesktop.Geoclue.Providers.Gsmloc
Path=/org/freedesktop/Geoclue/Providers/Gsmloc
Accuracy=Postalcode
Requires=RequiresNetwork, RequiresCell
Provides=ProvidesUpdates
Interfaces=org.freedesktop.Geoclue.Position, org.freedesktop.Geoclue.Address
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