/usr/share/gconf/schemas/awn-applet-battery.schemas is in awn-applet-battery-applet 0.4.1~bzr1507-0ubuntu7.
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 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | <?xml version="1.0" encoding="utf-8"?>
<gconfschemafile>
  <schemalist>
    <schema>
      <key>/schemas/apps/awn-applet-battery/battery-udi</key>
      <applyto>/apps/awn-applet-battery/battery-udi</applyto>
      <owner>awn-applet-battery</owner>
      <type>string</type>
      <default></default>
      <locale name="C">
        <long>HAL UDI of battery.</long>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/awn-applet-battery/level-notify-high</key>
      <applyto>/apps/awn-applet-battery/level-notify-high</applyto>
      <owner>awn-applet-battery</owner>
      <type>int</type>
      <default>100</default>
      <locale name="C">
        <long>If charge level reaches this threshold, a notification will be sent.</long>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/awn-applet-battery/level-warn-low</key>
      <applyto>/apps/awn-applet-battery/level-warn-low</applyto>
      <owner>awn-applet-battery</owner>
      <type>int</type>
      <default>15</default>
      <locale name="C">
        <long>If charge level drops below this threadhold, a warning will be displayed.</long>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/awn-applet-battery/low-level-unit</key>
      <applyto>/apps/awn-applet-battery/low-level-unit</applyto>
      <owner>awn-applet-battery</owner>
      <type>string</type>
      <default></default>
      <locale name="C">
        <long>Unit of low level threshold (Percent or Time Remaining).</long>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/awn-applet-battery/notify-high-level</key>
      <applyto>/apps/awn-applet-battery/notify-high-level</applyto>
      <owner>awn-applet-battery</owner>
      <type>bool</type>
      <default>FALSE</default>
      <locale name="C">
        <long>If enabled, notify when the charge level reaches the high level.</long>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/awn-applet-battery/theme</key>
      <applyto>/apps/awn-applet-battery/theme</applyto>
      <owner>awn-applet-battery</owner>
      <type>string</type>
      <default>gpm</default>
      <locale name="C">
        <long>The name of the theme of the icon.</long>
      </locale>
    </schema>
    <schema>
      <key>/schemas/apps/awn-applet-battery/warn-low-level</key>
      <applyto>/apps/awn-applet-battery/warn-low-level</applyto>
      <owner>awn-applet-battery</owner>
      <type>bool</type>
      <default>TRUE</default>
      <locale name="C">
        <long>If enabled, warn when the charge level drops below the warning threshold.</long>
      </locale>
    </schema>
  </schemalist>
</gconfschemafile>
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