1289 1285

======== BEGIN INBOUND STREAM ========
PUT /articles/123/ HTTP/1.1
Host: example.com
Prefer: Return=Minimal
User-Agent: demo
Content-Type: text/plain
Content-Length: 16
Prefer: Wait=10, Return=Representation

Hello world!

======== BEGIN OUTBOUND STREAM ========
HTTP/1.1 204 No Content
Date: Thu, 31 Dec 2015 18:26:56 GMT
Content-Type: text/plain
Preference-Applied: return=minimal, wait=10

