// Label type items for filter UI
            final List<Map<String, String>> labelTypeItems = labelTypeHelper.getLabelTypeItemList(SearchRequestType.SEARCH,
                    request.getLocale() == null ? Locale.ROOT : request.getLocale());
            RenderDataUtil.register(data, "labelTypeItems", labelTypeItems);
            RenderDataUtil.register(data, "displayLabelTypeItems", labelTypeItems != null && !labelTypeItems.isEmpty());

        try {
            final List<Map<String, String>> labelTypeItems = labelTypeHelper.getLabelTypeItemList(SearchRequestType.JSON,
                    request.getLocale() == null ? Locale.ROOT : request.getLocale());
            buf.append("\"record_count\":");
            buf.append(labelTypeItems.size());
            if (!labelTypeItems.isEmpty()) {
                buf.append(',');

    }

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    public Locale getLocale() {
        if (locale == null) {
            if (getValue() == null) {
                return Locale.ROOT;
            }
            locale = ComponentUtil.getFessConfig().getQueryLocaleFromName(getValue());
        }

            }

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

            @Override
            public Locale getLocale() {
                return null;
            }

            @Override
            public SearchRequestType getType() {
                return null;
            }

            @Override

                RenderDataUtil.register(data, "displayQuery", getDisplayQuery(form, labelTypeHelper
                        .getLabelTypeItemList(SearchRequestType.SEARCH, request.getLocale() == null ? Locale.ROOT : request.getLocale())));
                createPagingQuery(form);
                final String[] relatedContents = relatedContentHelper.getRelatedContents(form.getQuery());

            return null;
        }

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

        @Override
        public Locale getLocale() {
            return null;
        }

        @Override
        public SearchRequestType getType() {
            return null;
        }

        @Override

            return null;
        }

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

        @Override
        public Locale getLocale() {
            return null;
        }

        @Override
        public SearchRequestType getType() {
            return null;
        }

        @Override

        if (labels != null && labels.length > 0) {
            // Validate against configured label types (union of request locale and ROOT for robustness)
            final Locale requestLocale = request.getLocale() != null ? request.getLocale() : Locale.ROOT;
            final Set<String> allowedLabels = new java.util.HashSet<>();
            ComponentUtil.getLabelTypeHelper()

        }

        @Override
        public Object getAttribute(final String name) {
            return parent.getAttribute(name);
        }

        @Override
        public Locale getLocale() {
            return parent.getLocale();
        }

        @Override
        public SearchRequestType getType() {
            return parent.getType();
        }

        @Override

            return null;
        }

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

        @Override
        public Locale getLocale() {
            return null;
        }

        @Override
        public SearchRequestType getType() {
            return null;
        }

        @Override