span class="type-name-label">CompletionStageRxInvoker.</span><code><a href="../../client/CompletionStageRxInvoker.html#head()" class="member-name-link">head</a>()</code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/concurrent/Future.html" title="class or interface in java.util.concurrent" class="external-link">Future</a>&lt;<a href="../Response.html" title="class in jakarta.w