est processing callback that receives request processing completion events.</div>
</th>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><a href="jakarta/ws/rs/client/CompletionStageRxInvoker.html" title="interface in jakarta.ws.rs.client">CompletionStageRxInvoker</a></td>
<th class="colLast" scope="row">
<div class="block">Reactive invoker based <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletionStage.html?is-external=true" title="class or interface in java.util.conc