code: public SortedMap<Double, Set<String>> classifySortedScoreMap(final String[] document) {
        return docClassifier.sortedScoreMap(document);
      }
docs: Get a map of the scores sorted in ascending order together with their associated labels.
  Many labels can have the same score, hence the Set as value.
  
  @param document the input text to classify
  @return a map with the score as a key. The value is a Set of labels with their score.