final RoleQueryHelper roleQueryHelper = ComponentUtil.getRoleQueryHelper();
        final SearchHelper searchHelper = ComponentUtil.getSearchHelper();

        final StringBuilder buf = new StringBuilder(255);
        try {
            final RequestParameter parameter = RequestParameter.parse(request);
            final String[] langs = searchHelper.getLanguages(request, parameter);

        try {
            return facetCache.get(query + "\n" + permissionKey, () -> {
                final SearchHelper searchHelper = ComponentUtil.getSearchHelper();
                final SearchForm params = new SearchForm() {
                    @Override
                    public int getPageSize() {
                        return 0;

            return new ChatSearchResult(Collections.emptyList(), null, 0L);
        }
        return null;
    }

    /**
     * Searches for documents relevant to the user's query.
     * SearchHelper applies role-based access control filtering through
     * SearchRequestType.JSON and the role filter mechanism, ensuring
     * users only see documents they are authorized to access.
     * <p>