l/NavigableSet.html" title="class or interface in java.util" class="external-link"><code>NavigableSet</code></a><code>&lt;</code><a href="../tuple/Tuple2.html" title="class in io.permazen.tuple"><code>Tuple2</code></a><code>&lt;Integer, User&gt;&gt;</code>
 or a <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/NavigableMap.html" title="class or interface in java.util" class="external-link"><code>NavigableMap</code></a><code>&lt;Integer, </code><a href="https://docs.oracle.com/