/usr/lib/gnome-settings-daemon-3.0/sharing.gnome-settings-plugin is in gnome-settings-daemon 3.14.2-3+deb8u1.
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 9 | [GNOME Settings Plugin]
Module=sharing
IAge=0
# 100 is the default load Priority
Priority=100
Name=Sharing
Description=Sharing plugin
Authors=Bastien Nocera <hadess@hadess.net>
Copyright=Copyright © 2014 AUTHOR
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