m-Stompl-Patterns-Basic.html#t:JobName">JobName</a></code> together with this queue
              as a <em>key</em> to identify the provider. 
</li><li> Int: Timeout in microseconds;
</li><li> Int: Preferred heartbeat in milliseconds
          (0 for no heartbeats).
</li></ul><p>The function returns a tuple of <code><a href="Network-Mom-Stompl-Patterns-Basic.html#t:StatusCode">StatusCode</a></code> 
 and the heartbeat proposed by the registry
 (which may differ from the preferred heartbeat of the caller).
 