docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="../SystemEvent.html" title="class in jakarta.faces.event">SystemEvent</a>&gt;&nbsp;eventClass)</code></div>
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 This implementation throws <code>UnsupportedOperationException</code> and is provided for the sole purpose of not
 breaking existing applications that extend this class.</div>
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