<schemalist>

          id="org.gnome.shell.extensions.updates-dialog">

    <key name="grace-period" type="u">

      <default>300</default>

      <summary>Grace period in minutes</summary>

      <description>

        When the grace period is over, the computer will automatically

        reboot and install security updates.

      </description>

    </key>

    <key name="last-warning-period" type="u">

      <default>10</default>

      <summary>Last warning dialog period</summary>

      <description>

        A last warning dialog is displayed this many minutes before

        the automatic reboot.

      </description>

    </key>

    <key name="last-warnings" type="u">

      <default>1</default>

      <summary>Number of last warning dialogs</summary>

      <description>

        How many warning dialogs are displayed. Each is displayed at

        'last-warning-period' minute intervals.

      </description>

    </key>

  </schema>

</schemalist>