t/InvocationCallback.html" title="interface in jakarta.ws.rs.client">InvocationCallback</a>&lt;<a href="../../../../../jakarta/ws/rs/core/Response.html" title="class in jakarta.ws.rs.core">Response</a>&gt;&nbsp;callback)</code>
<div class="block">Invoke HTTP HEAD method for the current request asynchronously.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>&lt;T&gt;&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or i