defaultResponseHeaders.forEach(header -> callback.accept(header.getFirst(), header.getSecond()));
        final List<Pair<String, String>> headers = responseHeaderMap.get(mimeType);
        if (headers != null) {
            headers.forEach(header -> callback.accept(header.getFirst(), header.getSecond()));
        }
    }

                contentList.add(content);
            }
            for (final Pair<Pattern, String> regexData : pair.getSecond()) {
                if (regexData.getFirst().matcher(query).matches()) {
                    contentList.add(regexData.getSecond().replace(queryPlaceHolder, query));
                }
            }
            return contentList.toArray(new String[contentList.size()]);
        }

                    }
                    sb.append(searchFieldLog.getSecond());
                    fields.add(name);
                } else if (tagFieldNameSet.contains(name)) {
                    tags.add(searchFieldLog.getSecond());
                } else if (roleFieldNameSet.contains(name)) {
                    roles.add(searchFieldLog.getSecond());
                }
            }

                            || stream(user.getGroups()).get(stream -> stream.anyMatch(s -> (GROUP_VALUE_PREFIX + s).equals(key))))
                    .orElse(false)) {
                return p.getSecond();
            }
            return null;
        }).filter(StringUtil::isNotBlank).toArray(n -> new String[n]);
    }

    default void setDefaultSortValue(final String value) {

        final List<Pair<String, String>> jspItems = new ArrayList<>();
        for (final Pair<String, String> p : systemHelper.getDesignJspFileNames()) {
            jspItems.add(new Pair<>(":" + p.getFirst(), "/" + p.getSecond()));
        }
        for (String key : ComponentUtil.getVirtualHostHelper().getVirtualHostPaths()) {
            if (StringUtil.isBlank(key)) {
                key = "/";
            }

            }
            return new Pair<>(key, value);
        }).collect(Collectors.toMap(Pair<String, String>::getFirst, Pair<String, String>::getSecond));
        final Map<String, String> configScriptMap = config.getHandlerScriptMap();

        initParamMap.putAll(configParamMap);
        final DataStoreParams paramMap = initParamMap;

        // default values

        StreamUtil.stream(groupsAndRoles.getSecond()).of(stream -> stream.forEach(roleList::add));
        if (logger.isDebugEnabled()) {
            logger.debug("[processParentGroup] Completed for id: {}, depth: {}, added groups: {}, added roles: {}", id, depth,
                    groupsAndRoles.getFirst().length, groupsAndRoles.getSecond().length);
        }
    }

    /**

    }

    @Override
    protected void writeHeaders(final HttpServletResponse response) {
        ComponentUtil.getFessConfig().getApiDashboardResponseHeaderList().forEach(e -> response.setHeader(e.getFirst(), e.getSecond()));
    }

        final String value = clientConfigMap.get(CRAWLER_CLIENTS);
        final CrawlerClient client = getClientRuleList(value).stream().map(e -> {
            if (e.getSecond().matcher(url).matches()) {
                return e.getFirst();
            }
            return null;
        })
                .filter(StringUtil::isNotBlank)
                .findFirst()//

                List<RequestData> requestDataList = new ArrayList<>();
                for (final String childUrl : getUrlFromTagAttribute(baseUri, document, entry.getFirst(), entry.getSecond(),
                        responseData.getCharSet())) {
                    requestDataList.add(RequestDataBuilder.newRequestData().get().url(childUrl).build());
                }