nl_tokens: Options for a new worker
pl_tokens: function Worker ( queues , options ) { options || ( options = { } ) ; this . empty = 0 ; this . queues = queues || [ ] ; this . interval = options . interval || 5000 ; this . callbacks = options . callbacks || { } ; this . strategies = <mask> . strategies || { } ; this . universal = options . universal || false ; // Default retry strategies this . strategies . linear || ( this . strategies . linear = linear ) ; this . strategies . exponential || ( this . strategies . exponential = exponential ) ; // This worker will only process jobs of this priority or higher this . minPriority = options . minPriority ; }