private static final Logger logger = LogManager.getLogger(DataIndexHelper.class);

    private static final String DELETE_OLD_DOCS = "delete_old_docs";

    private static final String KEEP_EXPIRES_DOCS = "keep_expires_docs";

    protected long crawlingExecutionInterval = Constants.DEFAULT_CRAWLING_EXECUTION_INTERVAL;

    protected int crawlerPriority = Thread.NORM_PRIORITY;

        final Map<String, String> configParam = crawlingConfig.getConfigParameterMap(ConfigName.CONFIG);
        if (configParam != null) {
            final String keepOriginalBody = configParam.get(Config.KEEP_ORIGINAL_BODY);
            if (StringUtil.isNotBlank(keepOriginalBody)) {
                params.put(TikaExtractor.NORMALIZE_TEXT,

                    if (docId != null) {
                        deleteFileMap.remove(docId);
                        if (logger.isDebugEnabled()) {
                            logger.debug("Keep thumbnail: {}", docId);
                        }
                    }
                });

                deleteFileMap.values().forEach(this::deleteFile);
                count += deleteFileMap.size();

            final Map<String, String> configParam = crawlingConfig.getConfigParameterMap(ConfigName.CONFIG);
            if (configParam != null && Constants.TRUE.equalsIgnoreCase(configParam.get(Param.Config.KEEP_ORIGINAL_BODY))) {
                return content;
            }
        }

        if (responseData.getMetaDataMap().get(Extractor.class.getSimpleName()) instanceof TikaExtractor) {
            return content;

<setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_parameter" value="do not insert"/>
<setting id="org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line" value="false"/>
<setting id="org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_field" value="insert"/>