serializer/tests/JMS/Serializer/Tests/Metadata/Driver/xml/Discriminator.Vehicle.xml

<?xml version="1.0" encoding="UTF-8"?>
<serializer>
    <class name="JMS\Serializer\Tests\Fixtures\Discriminator\Vehicle" discriminator-field-name="type">
        <discriminator-class value="car">JMS\Serializer\Tests\Fixtures\Discriminator\Car</discriminator-class>
        <discriminator-class value="moped">JMS\Serializer\Tests\Fixtures\Discriminator\Moped</discriminator-class>
        <property name="km" type="integer" />
    </class>
</serializer>