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<pre class="methodSignature">public&nbsp;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Optional.html?is-external=true" title="class or interface in java.util" class="externalLink">Optional</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Thro