nl_tokens: If the model isDirty this function will which discard any unsaved changes
pl_tokens: function ( ) { this . _attributes = { } ; if ( get ( this , 'isError' ) ) { this . _inFlightAttributes = { } ; <mask> ( this , 'isError' , false ) ; } if ( ! get ( this , 'isValid' ) ) { this . _inFlightAttributes = { } ; } this . send ( 'rolledBack' ) ; this . suspendRelationshipObservers ( function ( ) { this . notifyPropertyChange ( 'data' ) ; } ) ; }