docs: public String classifyValuedInstance(List<StringDoublePair> features) {
      List<scala.Tuple2<String,Double>> nfs = new ArrayList<scala.Tuple2<String,Double>>();
      for (StringDoublePair el : features) {
        nfs.add(new scala.Tuple2<String,Double>(el.getString(), el.getDouble()));
      }
      return maxEnt.decodeValuedInstance(nfs);
    }