docs: public List<List<String>> decodeLabeledSequences(List<List<SeqElement>> seqs) {
  		List<List<List<String>>> n1 = new ArrayList<List<List<String>>>();
  		for (List<SeqElement> seq : seqs) {
  			List<List<String>> n2 = new ArrayList<List<String>>();
  			for (SeqElement el : seq) {
  				n2.add(el.getFeatures());
  			}
  			n1.add(n2);
  		}
  		return decoder.decodeFromJava(n1);
  	}