overrid featur primari express featur primari express node object subject val object featur list paramet featur primari express node node path todo support kind node path appli featur node path trim node time express hypothes time express invari node time express appli node qualifi xxx hypothes qualifi don know node qualifi appli node featur paramet val node featur paramet appli paramet list val subject val vt featur val val interp built symbol featur trim val run featur subject featur fwd paramet featur primari express node 