-link">String</a>&nbsp;appContext,
 <a href="https://docs.oracle.com/en/java/javase/22/docs/api/java.base/javax/security/auth/callback/CallbackHandler.html" title="class or interface in javax.security.auth.callback" class="external-link">CallbackHandler</a>&nbsp;handler)</span>
                              throws <span class="exceptions"><a href="../AuthException.html" title="class in jakarta.security.auth.message">AuthException</a></span></div>
<div class="block">Get an instance of ClientAuthConfig from t