.support.<a href="SortedKeyStatisticsAttributeIndex.html" title="interface in com.googlecode.cqengine.index.support"><span class="typeNameLink">SortedKeyStatisticsAttributeIndex</span></a>&lt;A,&#8203;O&gt; (also extends com.googlecode.cqengine.index.<a href="../AttributeIndex.html" title="interface in com.googlecode.cqengine.index">AttributeIndex</a>&lt;A,&#8203;O&gt;, com.googlecode.cqengine.index.support.<a href="KeyStatisticsAttributeIndex.html" title="interface in com.googlecode.cqengine.index.support"