code: public TreeMultimap<Integer, String> getMFSRanking(final String lemmaPOSClass,
        final Integer rankSize) {
  
      final TreeMultimap<Integer, String> mfsResultsMap = getOrderedMap(
          lemmaPOSClass);
      final TreeMultimap<Integer, String> mfsRankMap = TreeMultimap
          .create(Ordering.natural().reverse(), Ordering.natural());
      for (final Map.Entry<Integer, String> freqSenseEntry : Iterables
          .limit(mfsResultsMap.entries(), rankSize)) {
        mfsRankMap.put(freqSenseEntry.getKey(), freqSenseEntry.getValue());
      }
      return mfsRankMap;
    }
docs: Get a rank of senses ordered by MFS.
  
  @param lemmaPOSClass
  the lemma#pos entry
  @param rankSize
  the size of the rank
  @return the ordered multimap containing the rank