nl_tokens: / * We use a queue to process events when we must handle the events sequentially
pl_tokens: function Queue ( q ) { <mask> . EventEmitter . call ( this ) ; var self = this ; this . q = q && q . process ? q : kue . createQueue ( ) ; this . q . process ( 'message' , function ( message , done ) { self . emit ( 'message' , message ) ; done ( ) ; } ) ; }