tp"><code>HttpAuthenticationMechanism</code></a></div>
<dl class="notes">
<dt>Returns:</dt>
<dd><a href="../../../AuthenticationStatus.html#NOT_DONE"><code>AuthenticationStatus.NOT_DONE</code></a></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getCallerPrincipal()">
<h3>getCallerPrincipal</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/security/Principal.html" title="class or interface in java.security" cla