code: @Override
      public ArrayList<String> getReadOnlyProperties() {
  
          ArrayList<String> result = super.getReadOnlyProperties();
  
          result.add("UserId");
          result.add("Country");
          result.add("ExpirationDate");
          result.add("Alias");
          result.add("CardProvider");
          result.add("CardType");
          result.add("Product");
          result.add("BankCode");
          result.add("Active");
          result.add("Currency");
          result.add("Fingerprint");
  
          return result;
      }
docs: Gets the collection of read-only fields names.
  
  @return List of field names.