if (o == null) {
            return null;
        } else if (o instanceof Double) {
            return (Double) o;
        } else if (o instanceof Number) {
            return new Double(((Number) o).doubleValue());
        } else if (o instanceof String) {
            return toDouble((String) o);
        } else if (o instanceof java.util.Date) {
            if (pattern != null) {

        if (o == null) {
            return null;
        } else if (o instanceof Short) {
            return (Short) o;
        } else if (o instanceof Number) {
            return ((Number) o).shortValue();
        } else if (o instanceof String) {
            return toShort((String) o);
        } else if (o instanceof java.util.Date) {
            if (pattern != null) {

                return oldDocList;
            }

            @Override
            public long deleteByQuery(final String index, final QueryBuilder queryBuilder) {
                if (queryBuilder instanceof final TermsQueryBuilder termsQueryBuilder) {
                    termsQueryBuilder.values().stream().forEach(o -> deletedDocIdList.add(o.toString()));
                }
                return deletedDocIdList.size();

            return 0L;
        }
        if (obj instanceof String) {
            return ((String) obj).length() + 56L;
        }
        if (obj instanceof Number) {
            return 24L;
        }
        if (obj instanceof Date) {
            return 32L;
        }
        if (obj instanceof LocalDateTime) {
            return 80L;
        }
        if (obj instanceof ZonedDateTime) {
            return 2128L;
        }

        if (o == null) {
            return null;
        } else if (o instanceof Float) {
            return (Float) o;
        } else if (o instanceof Number) {
            return new Float(((Number) o).floatValue());
        } else if (o instanceof String) {
            return toFloat((String) o);
        } else if (o instanceof java.util.Date) {
            if (pattern != null) {

        super.processStartCrawling(objs);
        if (objs.length > 1 && objs[1] instanceof final UrlQueue<?> urlQueue) {
            ComponentUtil.getCrawlerStatsHelper().begin(urlQueue);
        }
    }

    @Override
    protected void processCleanupCrawling(final Object... objs) {
        super.processCleanupCrawling(objs);
        if (objs.length > 1 && objs[1] instanceof final UrlQueue<?> urlQueue) {

        final CrawlerStatsHelper crawlerStatsHelper = ComponentUtil.getCrawlerStatsHelper();
        final StatsKeyObject keyObj = paramMap.get(Constants.CRAWLER_STATS_KEY) instanceof final StatsKeyObject sko ? sko : null;
        if (keyObj != null) {
            crawlerStatsHelper.runOnThread(keyObj);
        }
        final DataStoreParams localParams = paramMap.newInstance();

            return;
        }

        if (value instanceof Entity) {
            data.register(key, BeanUtil.copyBeanToNewMap(value));
        } else {
            if ((value instanceof final Collection<?> coll) && !coll.isEmpty()) {
                // care performance for List that the most frequent pattern
                final Object first = coll instanceof List<?> ? ((List<?>) coll).get(0) : coll.iterator().next();

        }
    }


    private static DosFileFilter unwrapDOSFilter ( ResourceFilter ff ) {
        if ( ff instanceof ResourceFilterWrapper ) {
            SmbFileFilter sff = ( (ResourceFilterWrapper) ff ).getFileFilter();
            if ( sff instanceof DosFileFilter ) {
                return (DosFileFilter) sff;
            }
        }
        return null;
    }

    public void testFromClass_FileSystem() throws Exception {
        final Traverser traverser = TraversalUtil.getTraverser(DummyTest.class);
        assertThat(traverser, is(notNullValue()));
        assertThat(traverser instanceof FileSystemTraverser, is(true));

        assertThat(traverser.isExistClass(DummyTest.class.getName()), is(true));
        assertThat(traverser.isExistClass(TestCase.class.getName()), is(not(true)));