data.

 The provided response data can be of any Java type that can be
 returned from a <a href="../../../../javax/ws/rs/HttpMethod.html" title="annotation in javax.ws.rs"><code>JAX-RS resource method</code></a>.
 <p>
 The asynchronous response must be still in a <a href="../../../../javax/ws/rs/container/AsyncResponse.html#isSuspended--"><code>suspended</code></a> state
 for this method to succeed.
 </p>
 <p>
 By executing this method, the request is guaranteed to complete either successfully or
 with an e