e</code> to lookup, if 
        <code>null</code> this returns the same as <a href="../../../../../org/apache/solr/handler/component/PivotFacetFieldValueCollection.html#getMissingValue()"><code>getMissingValue()</code></a></dd>
<dt><span class="strong">Returns:</span></dt><dd>the corrisponding <code>PivotFacetValue</code> or null if there is 
        no <code>PivotFacetValue</code> in this collection corrisponding to 
        the specified value.</dd></dl>
</li>
</ul>
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