code: public static synchronized Map<String, Statistics> getStatistics() {
      Map<String, Statistics> result = new HashMap<String, Statistics>();
      for(Statistics stat: statisticsTable.values()) {
        result.put(stat.getScheme(), stat);
      }
      return result;
    }
docs: Get the Map of Statistics object indexed by URI Scheme.
  @return a Map having a key as URI scheme and value as Statistics object
  @deprecated use {@link #getAllStatistics} instead