<classes xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation = "ilog/cpl/schema/model.xsd">
 <class>
    <name>CustomLed</name>
    <superClass>ilog.tgo.model.IltLed</superClass>
    <attribute>
      <name>displayState</name>
      <javaClass>java.lang.String</javaClass>
    </attribute>
  </class>
</classes>