<!-- binding testing operation of collection with untyped items, and untyped
 required element -->
<binding>
  <mapping name="customer" class="simple.Customer4">
    <structure field="oname"/>
    <value name="street1" field="street1"/>
    <value name="city" field="city"/>
    <value name="state" field="state"/>
    <value name="zip" field="zip"/>
    <value name="phone" field="phone"/>
    <collection usage="optional" field="referrals"/>
  </mapping>
  <mapping name="name" class="simple.Name" ordered="false">
    <value name="first-name" field="firstName" usage="optional"/>
    <value name="last-name" field="lastName" usage="optional"/>
  </mapping>
</binding>
