code: public UserAgentParser loadParser() throws IOException, ParseException {
  
          // Use all default fields
          final Set<BrowsCapField> defaultFields =
                  Stream.of(BrowsCapField.values()).filter(BrowsCapField::isDefault).collect(toSet());
  
          return createParserWithFields(defaultFields);
      }
docs: Returns a parser based on the bundled BrowsCap version
  @return the user agent parser