/FieldValueSubsetUpdateProcessorFactory.html" title="class in org.apache.solr.update.processor">FieldValueSubsetUpdateProcessorFactory</a></td>
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<div class="block">Base class for processors that want to mutate selected fields to only 
 keep a subset of the original values.</div>
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<td class="colFirst"><a href="../../../../../org/apache/solr/update/processor/FirstFieldValueUpdateProcessorFactory.html" title="class in org.apache.solr.update.processor">FirstF