java/util/function/BiConsumer.html?is-external=true" title="class or interface in java.util.function" class="externalLink">BiConsumer</a>&lt;<a href="../SseEventSink.html" title="interface in jakarta.ws.rs.sse">SseEventSink</a>,&#8203;<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">Throwable</a>&gt;&nbsp;onError)</code></th>
<td class="colLast">
<div class="block">Register a listener