/usr/share/glib-2.0/schemas/com.ubuntu.SoftwareProperties.gschema.xml is in software-properties-gtk 0.96.24.32.1.
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 10 | <?xml version="1.0" encoding="UTF-8"?>
<schemalist>
<schema id="com.ubuntu.SoftwareProperties" path="/com/ubuntu/SoftwareProperties/">
<key name="goa-account-id" type="s">
<default>""</default>
<summary>Livepatch account id</summary>
<description>gnome-online-account account id used for livepatch authentication.</description>
</key>
</schema>
</schemalist>
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