span></code></th>
<td class="colLast">
<div class="block">An index which allows the set of distinct keys to be queried in sorted order, and which can return statistics on the
 number of objects stored for each key.</div>
</td>
</tr>
</tbody>
</table>
<table class="useSummary">
<caption><span>Classes in <a href="../../index/support/package-summary.html">com.googlecode.cqengine.index.support</a> that implement <a href="../ModificationListener.html" title="interface in com.googlecode.cqengine.engine">Modificat