nl_tokens: returns the value at path but only looks in the data on this model
pl_tokens: function ( path ) { if ( typeof path === "string" ) path = parse ( path , { startRule : "path" } ) ; if ( ! _ . isObject ( path ) ) throw new Error ( "Expecting string or object for path." ) ; var self = this ; this . _dep . depend ( ) ; return _ . reduce ( path . <mask> , function ( target , part ) { target = self . _get ( target , part . key ) ; _ . each ( part . children , function ( k ) { if ( _ . isObject ( k ) ) k = self . get ( k ) ; target = self . _get ( target , k ) ; } ) ; return target ; } , this . data ) ; }