title: Setting the media type when using @RequestLine
body: <p>I am using @RequestLine annotatin in my Feign Client interface. It only takes the Request Method and Path, is there a way to set the media type it produces and consumes?</p>
  
  <p>This is what I have, any suggestions what ways I can add the media type it produces and consumes to this?</p>
  
  <pre><code>@RequestLine("POST /metrics-service/rest/addMetric")
      MyEntity sendEntity(@RequestBody MyEntity toSend);
  </code></pre>