code: public static String generateStringExample(String format, List<String> enumValues) {
          if (enumValues == null || enumValues.isEmpty()) {
              if (format == null) {
                  return "string";
              } else {
                  switch (format) {
                      case "byte":
                          return "Ynl0ZQ==";
                      case "date":
                          return "1970-01-01";
                      case "date-time":
                          return "1970-01-01T00:00:00Z";
                      case "email":
                          return "email@example.com";
                      case "password":
                          return "secret";
                      case "uuid":
                          return "f81d4fae-7dec-11d0-a765-00a0c91e6bf6";
                      default:
                          return "string";
                  }
              }
          } else {
              return enumValues.get(0);
          }
      }
docs: Generates examples for string properties or parameters with given format
  
  @param format     the format of the string property
  @param enumValues the enum values
  @return example