ass="type-parameters">&lt;T&gt;</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/CompletionStage.html" title="class or interface in java.util.concurrent" class="external-link">CompletionStage</a>&lt;T&gt;</span>&nbsp;<span class="element-name">post</span><wbr><span class="parameters">(<a href="Entity.html" title="class in jakarta.ws.rs.client">Entity</a>&lt;?&gt;&nbsp;entity,
 <a href="../core/GenericType.html" title="class in j