docs: public static String getPrefixFromValue(String value) {
      if (value == null) {
        return null;
      } else if (value.contains(DELIMITER)) {
        String[] list = value.split(DELIMITER);
        if (list != null && list.length > 0) {
          return list[0].replaceAll("\u0000", "");
        } else {
          return null;
        }
      } else {
        return value.replaceAll("\u0000", "");
      }
    }