<opt value="program">
  <stmts_add value="stmts_add">
    <stmts_new value="stmts_new"/>
    <command_call value=".">
      <const_path_ref value="const_path_ref">
        <var_ref value="var_ref">
          <const value="Chef">
            <pos line="4" column="0"/>
          </const>
        </var_ref>
        <const value="Platform">
          <pos line="4" column="6"/>
        </const>
      </const_path_ref>
      <ident value="set">
        <pos line="4" column="15"/>
      </ident>
    </command_call>
  </stmts_add>
</opt>