   #
   # Below is an example `res` array:
   #
-  #     [{ id: '8c0c3eab-8114-41d6-8808-2ae8615d38b4',
+  #     [{ id:     '8c0c3eab-8114-41d6-8808-2ae8615d38b4',
   #        params: [ 'param1', 'param2' ],
   #        queued: Sat, 12 May 2012 07:41:33 GMT // Date Object
   #      }, ...]

  #     queues = fairy.queues()
  #     console.log "#{queues.length} queues: ", queues.map (queue) ->
  #       queue.name
  queues: (callback) ->
    @redis.smembers @key('QUEUES'), (err, res) =>
      callback res.map (name) => @queue name

  # ### Get Statistics for All Queues Asynchronously
  

        multi.hincrby @key('STATISTICS'), 'total_processing_time', process_time
        multi.lpush @key('RECENT'), JSON.stringify([task..., finish_time])
        multi.ltrim @key('RECENT'), 0, @recent_size - 1
        multi.zadd @key('SLOWEST'), process_time, JSON.stringify([task..., start_time])
        multi.zremrangebyrank @key('SLOWEST'), 0, - @slowest_size - 1
        multi.exec()

