>&lt;X&gt;,&#8203;X&gt;<br><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/stream/Collector.html?is-external=true" title="class or interface in java.util.stream" class="externalLink">Collector</a>&lt;T,&#8203;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;T&gt;,&#8203;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/ut