return false;
        }

        @Override
        public void reset() {
        }

        @Override
        public void setLocale(java.util.Locale loc) {
        }

        @Override
        public java.util.Locale getLocale() {
            return java.util.Locale.getDefault();
        }
    }

    private static class TestFilterChain implements FilterChain {

            }

            @Override
            public void reset() {
            }

            @Override
            public void setLocale(java.util.Locale loc) {
            }

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

            @Override

            return false;
        }

        @Override
        public void reset() {
        }

        @Override
        public void setLocale(java.util.Locale loc) {
        }

        @Override
        public java.util.Locale getLocale() {
            return java.util.Locale.getDefault();
        }
    }

            // 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(',');

            }

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

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

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

            @Override

        }

        @Override
        public Object getAttribute(String name) {
            return attributes.get(name);
        }

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

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

        @Override

        public void setAttribute(String name, Object o) {
        }

        @Override
        public void removeAttribute(String name) {
        }

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

        @Override
        public Enumeration<Locale> getLocales() {
            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 String getSimilarDocHash() {
            return null;
        }

        @Override
        public java.util.Locale getLocale() {
            return java.util.Locale.ROOT;
        }
    }

    // Mock classes
    private static class MockFessConfig extends FessConfig.SimpleImpl {