nl_tokens: A mock of the ember Snapshot object
pl_tokens: function ( instance ) { this . _model = instance . _model ; this . _instance = instance ; this . id = instance . id ; this . eachAttribute = function ( cb ) { return this . _model . eachAttribute ( cb ) ; } ; this . eachRelationship = function ( cb ) { return this . _model . eachRelationship ( cb ) ; } this . attr = function ( name ) { return this . _instance [ name ] ; } ; this . belongsTo = function ( name , opts ) { return ( opts . <mask> ? this . _instance [ name ] . id : new Snapshot ( this . _instance [ name ] ) ) ; } ; }