<configuration>
 <system.diagnostics>
  <switches>
   <add name="ImportantSwitch" value="1" /> <!-- This is for the BooleanSwitch -->
   <add name="LevelSwitch" value="3" />     <!-- This is for the TraceSwitch -->
   <add name="SourceSwitch" value="4" />    <!-- This is for the SourceSwitch -->
  </switches>
 </system.diagnostics>
</configuration>
