<Get id="pool" name="threadPool">
    <!--<Set name="idleTimeout">200</Set>-->
     <Get id="timeout" name="idleTimeout"/>
     <Get class="java.lang.System" name="out">
      <Call name="println">
        <Arg>Timeout: <Ref id="timeout"></Ref></Arg>
      </Call>
    </Get>
  </Get>