in impl/src/main/java/org/apache/peeco/impl/PeecoChannelHandler.java [211:224]
    protected void parseQueryParams(HttpRequest nettyRequest, Request request)
    {
        QueryStringDecoder decoder = new QueryStringDecoder(nettyRequest.uri());
        for (Map.Entry<String, List<String>> queryParameters : decoder.parameters().entrySet())
        {
            List<String> values = request.queryParameters().computeIfAbsent(queryParameters.getKey(), k -> new ArrayList<>());
            for (String value : queryParameters.getValue())
            {
                values.add(value);
            }
        }
    }