return null;
        }

        @Override
        public jakarta.servlet.ServletInputStream getInputStream() {
            return null;
        }

        @Override
        public String getParameter(String name) {
            return null;
        }

        @Override
        public java.util.Enumeration<String> getParameterNames() {
            return java.util.Collections.emptyEnumeration();
        }

        }

        @Override
        public String[] getParameterValues(String name) {
            return parameters.get(name);
        }

        @Override
        public String getParameter(String name) {
            return singleParameters.get(name);
        }

        // All other methods throw UnsupportedOperationException
        @Override
        public Object getAttribute(String name) {

            return null;
        }

        @Override
        public jakarta.servlet.ServletInputStream getInputStream() {
            return null;
        }

        @Override
        public String getParameter(String name) {
            return null;
        }

        @Override
        public java.util.Enumeration<String> getParameterNames() {
            return java.util.Collections.emptyEnumeration();
        }

    public HighlightInfo createHighlightInfo() {
        return LaRequestUtil.getOptionalRequest().map(req -> {
            final HighlightInfo highlightInfo = new HighlightInfo();
            final String widthStr = req.getParameter(SCREEN_WIDTH);
            if (StringUtil.isNotBlank(widthStr)) {
                final int width = Integer.parseInt(widthStr);
                updateHighlightInfo(highlightInfo, width);

                "login_url", "login_parameters" };
        for (final String key : keys) {
            final String value = hc4Form.getParameter(key);
            if (value != null) {
                params.put(key, value);
            }
        }
        return new Hc5FormScheme(params);
    }

    /**