This file is indexed.

/usr/share/gnome-control-center/keybindings/01-input-sources.xml is in gnome-control-center-data 1:3.6.3-0ubuntu56.

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
<?xml version="1.0" encoding="UTF-8"?>
<KeyListEntries schema="org.gnome.desktop.wm.keybindings" group="system" name="Typing">

  <KeyListEntry name="switch-input-source" description="Switch to next source"></KeyListEntry>

  <KeyListEntry name="switch-input-source-backward" description="Switch to previous source"></KeyListEntry>

</KeyListEntries>