code: public String[] getTags(String word) {
      if (caseSensitive) {
        return (String[]) dictionary.get(word);
      }
      else {
        //System.err.println(java.util.Arrays.asList((String[]) dictionary.get(word.toLowerCase())));
        return (String[]) dictionary.get(word.toLowerCase());
      }
    }
docs: Returns a list of valid tags for the specified word.
  @param word The word.
  @return A list of valid tags for the specified word or null if no information is available for that word.