tively, instead of passively blocking on the reply queue.
</p><p>Use this function with care! It can be easily abused
   to break the client/server pattern, when it is called
   without a request having been made before.
   If, in this case, <em>timout</em> is <em>-1</em>,
   the application will block forever.
</p><p>The function receives those parameters from <code><a href="Network-Mom-Stompl-Patterns-Basic.html#v:request">request</a></code>
   that are related to receiving the reply, <em>i.e.</em>
   <co