``delay[queue_name_pattern]`` Pattern to use to create the queues ``delay_%exchange_name%_%routing_key%_%delay%``

``delay[exchange_name]`` Name of the exchange to be used for the ``delays``

delayed/retried messages

``delay[arguments]`` Extra arguments for the delays queues

``queues[name][arguments]`` Extra arguments

``queues[name][binding_arguments]`` Arguments to be used while binding the queue.

``queues[name][binding_keys]`` The binding keys (if any) to bind to this queue