<additional xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/additional_file.xsd">
    <parkingArea id="parkingArea_0" lane="EdgeCenter1_1" startPos="20.00" endPos="30.00">

        <!-- valid length (missing) -->
        <space x="30.00" y="15.00" z="1" width="3.30" angle="45.00"/>

        <!-- non valid length (dummy) -->
        <space x="35.00" y="15.00" z="1" width="3.30" length="dummyLength" angle="45.00"/>

        <!-- non valid length (empty) -->
        <space x="35.00" y="15.00" z="1" width="3.30" length="" angle="45.00"/>

        <!-- non valid length (negative) -->
        <space x="35.00" y="15.00" z="1" width="3.30" length="-2" angle="45.00"/>

        <!-- valid length -->
        <space x="35.00" y="15.00" z="1" width="3.30" length="5.5" angle="45.00"/>

    </parkingArea>
</additional>
