for (final String fileType : fileTypes) {
                final String value = filetypeField + ":" + fileType;
                if (!values.contains(value)) {
                    final String key = "labels.facet_filetype_" + fileType;
                    if (resources.containsKey(key)) {
                        queryMap.put(key, value);
                    } else {
                        queryMap.put(fileType.toUpperCase(Locale.ROOT), value);