xtends <a href="http://lucene.apache.org/core/5_1_0/core/org/apache/lucene/index/IndexDeletionPolicy.html?is-external=true" title="class or interface in org.apache.lucene.index">IndexDeletionPolicy</a>
implements <a href="../../../../org/apache/solr/util/plugin/NamedListInitializedPlugin.html" title="interface in org.apache.solr.util.plugin">NamedListInitializedPlugin</a></pre>
<div class="block">Standard Solr deletion policy that allows reserving index commit points
 for certain amounts of time to support 