ny sent event. JAX-RS <code>SseEventSource</code> tracks any
 received SSE event <code>retry</code> field values set by the endpoint and adjusts the reconnect delay accordingly,
 using the last received <code>retry</code> field value as the reconnect delay.
 <p>
 In addition to handling the standard connection loss failures, JAX-RS <code>SseEventSource</code> behaves differently to various
 HTTP response status codes and headers:
 <ul>
 <li>200 - with <code><a href="../core/HttpHeaders.html#CONTENT_TYPE">"C