nl_tokens: Returns the controller for a particular route or name .
pl_tokens: function ( name , _skipAssert ) { var container = this . container , route = container . lookup ( 'route:' + name ) , controller ; if ( route && route . controllerName ) { name = route . controllerName ; } controller = <mask> . lookup ( 'controller:' + name ) ; // NOTE: We're specifically checking that skipAssert is true, because according //   to the old API the second parameter was model. We do not want people who //   passed a model to skip the assertion. Ember . assert ( "The controller named '" + name + "' could not be found. Make sure " + "that this route exists and has already been entered at least " + "once. If you are accessing a controller not associated with a " + "route, make sure the controller class is explicitly defined." , controller || _skipAssert === true ) ; return controller ; }