s full <a href="../../../../javax/ws/rs/core/Variant.html" title="class in javax.ws.rs.core"><code>Variant</code></a> information.
               Any variant-related HTTP headers previously set (namely <code>Content-Type</code>,
               <code>Content-Language</code> and <code>Content-Encoding</code>) will be overwritten using
               the entity variant information.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>invocation response wrapped in the completion aware type..</dd>
<dt><s