docs: public static String removeQueryParameter(String url, String key) {
      String[] urlParts = url.split("\\?");
  
      if (urlParts.length == 2) {
        Map<String, List<String>> paramMap = extractParametersFromQueryString(urlParts[1]);
        if (paramMap.containsKey(key)) {
          String queryValue = paramMap.get(key).get(0);
          String result = url.replace(key + "=" + queryValue, "");
          // improper separators have to be fixed
          // @TODO find a better way to solve this
          result = result.replace("?&", "?").replace("&&", "&");
          if (result.endsWith("&")) {
            return result.substring(0, result.length() - 1);
          } else {
            return result;
          }
        }
      }
      return url;
    }