final String[] extraQueries = request.getParameterValues("ex_q");
        if (extraQueries == null || extraQueries.length == 0) {
            return new String[0];
        }
        // Build allowlist from configured facet queries
        final List<FacetQueryView> facetQueryViewList = ComponentUtil.getViewHelper().getFacetQueryViewList();
        final Set<String> allowedQueries = new java.util.HashSet<>();