ed to perform unmarshal-time
      validation or null if not present</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.UnsupportedOperationException</code> - could be thrown if this method is
         invoked on an Unmarshaller created from a JAXBContext referencing
         JAXB 1.0 mapped classes</dd>
</dl>
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<h4>setAdapter</h4>
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