code: private String printConfigTypes(
        HashMap<?, MtasParserType<MtasParserMapping<?>>> types) {
      StringBuilder text = new StringBuilder();
      for (Entry<?, MtasParserType<MtasParserMapping<?>>> entry : types
          .entrySet()) {
        text.append("- " + entry.getKey() + ": " + entry.getValue().items.size()
            + " mapping(s)\n");
        for (int i = 0; i < entry.getValue().items.size(); i++) {
          text.append("\t" + entry.getValue().items.get(i) + "\n");
        }
      }
      return text.toString();
    }
docs: Prints the config types.
  
  @param types the types
  @return the string