<?xml version='1.0' encoding='UTF-8'?>
<rougail version="0.9">
  <variables>
    <variable name="variable1"/>
    <family name="base">
      <variable name="variable2"/>
      <family name="subfamily">
        <variable name="variable3"/>
      </family>
      <variable name="variable4"/>
    </family>
  </variables>
</rougail>