title: How to specify Response class and return Status Codes using Swagger/ServiceStack
body: <p>Is it possible with <code>ServiceStack.Api.Swagger v3.9.33</code> to describe the response of an API operation and the returned status codes using <code>Swagger</code>? Perhaps by attribute decoration on the Response class/properties, etc.</p>
  
  <p>Like the highlighted sections for the following example operation from the pet store API:
  (<a href="http://petstore.swagger.wordnik.com/" rel="noreferrer">http://petstore.swagger.wordnik.com/</a>)</p>
  
  <p><img src="https://i.stack.imgur.com/glntV.png" alt="enter image description here"></p>
  
  <p>I can only see the HTTP methods and Request DTOS can be decorated on <a href="https://github.com/ServiceStack/ServiceStack/wiki/Swagger-API" rel="noreferrer">https://github.com/ServiceStack/ServiceStack/wiki/Swagger-API</a> and quick glance at code looks like may not yet be supported, <a href="https://github.com/ServiceStack/ServiceStack/tree/master/src/ServiceStack.Api.Swagger" rel="noreferrer">https://github.com/ServiceStack/ServiceStack/tree/master/src/ServiceStack.Api.Swagger</a></p>