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<div class="member-signature"><span class="return-type"><a href="../../../AuthenticationStatus.html" title="enum class in jakarta.security.enterprise">AuthenticationStatus</a></span>&nbsp;<span class="element-name">responseNotFound</span>()</div>
<div class="block">Sets the response status to 404 (not found).
 <p>
 As a convenience this method returns SEND_FAILURE, so this method can be used in
 one fluent return statement from an <a href="HttpAuthenticationMechanism.html" title="interface in jakarta.sec