final ObjectMapper mapper = new ObjectMapper();
            Arrays.stream(FileUtil.readUTF8(dataPath).split("\n")).reduce((prev, line) -> {
                try {
                    if (StringUtil.isBlank(prev)) {
                        final Map<String, Map<String, String>> result =
                                mapper.readValue(line, new TypeReference<Map<String, Map<String, String>>>() {