}

            @Override
            public void setContentLengthLong(long len) {
            }

            @Override
            public void setContentType(String type) {
            }

            @Override
            public void setBufferSize(int size) {
            }

            @Override
            public int getBufferSize() {

        @Override
        public void setContentLength(int len) {
        }

        @Override
        public void setContentLengthLong(long len) {
        }

        @Override
        public void setContentType(String type) {
            headers.put("Content-Type", type);
        }

        @Override
        public void setBufferSize(int size) {
        }

        @Override

        request.setAttribute(Constants.SEARCH_LOG_ACCESS_TYPE, Constants.SEARCH_LOG_ACCESS_TYPE_JSON);
        final JsonRequestParams params = new JsonRequestParams(request, fessConfig);
        try {
            response.setContentType("application/x-ndjson; charset=UTF-8");
            final long count = searchHelper.scrollSearch(params, doc -> {
                buf.setLength(0);
                buf.append('{');
                boolean first2 = true;