an>&#8203;(<a href="../credential/Credential.html" title="interface in jakarta.security.enterprise.credential">Credential</a>&nbsp;credential)</code></th>
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<div class="block">Validates the given credential.</div>
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<td class="colFirst"><code>default <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Set.html?is-external=true" title="class or interface in java.util" class="externalLink">Set</a>&lt;<a href="IdentityStore.