tab2 method-summary-table-tab4"><code><a href="#dropUniqueRefsOlderThan(long)" class="member-name-link">dropUniqueRefsOlderThan</a><wbr>(long&nbsp;nanoTime)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/j