Warning, /plasma/systemsettings/app/systemsettings.kcfg is written in an unsupported language. File is not indexed.

 <?xml version="1.0" encoding="UTF-8"?>
 <kcfg xmlns="http://www.kde.org/standards/kcfg/1.0"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0
                           http://www.kde.org/standards/kcfg/1.0/kcfg.xsd" >
   <kcfgfile name="systemsettingsrc"/>
   <group name="Main">
     <entry name="ActiveView" type="String">
       <label>Internal name for the view used</label>
       <default>systemsettings_sidebar_mode</default>
     </entry>
   </group>
 </kcfg>