code: public static final Parser<Double> instance() { // NOPMD it's thread save!
      if (CurrencyDoubleParser.instanceParser == null) {
        synchronized (CurrencyDoubleParser.class) {
          if (CurrencyDoubleParser.instanceParser == null) {
            CurrencyDoubleParser.instanceParser = new CurrencyDoubleParser();
          }
        }
      }
      return CurrencyDoubleParser.instanceParser;
    }
docs: returns the instance.
  
  @return CurrencyDoubleRenderer