>Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><wbr>&lt;<a href="../LiveRequestQueue.html" title="class in com.google.adk.agents">LiveRequestQueue</a>&gt;</code></div>
<div class="col-second even-row-color"><span class