Add an item to a named queue.
Add an item to a named queue. Will not return until the item has been synchronously added and written to the queue journal file.
true if the item was added; false if the server is shutting down
Retrieve an item from a queue and pass it to a continuation.
Retrieve an item from a queue and pass it to a continuation. If no item is available within the requested time, or the server is shutting down, None is passed.
Shutdown this queue collection.
Shutdown this queue collection. All actors are asked to exit, and any future queue requests will fail.