private final List<Sitemap> sitemapList = new ArrayList<>();

    private String type = URLSET;

    public void addSitemap(final Sitemap sitemap) {
        sitemapList.add(sitemap);
    }

    public void removeSitemap(final Sitemap sitemap) {
        sitemapList.remove(sitemap);
    }

    public Sitemap[] getSitemaps() {
        return sitemapList.toArray(new Sitemap[sitemapList.size()]);
    }

        this.maxAccessCount = maxAccessCount;
    }

    public void addSitemaps(final String[] sitemaps) {
        sitemapsLocal.set(sitemaps);
    }

    public String[] removeSitemaps() {
        final String[] sitemaps = sitemapsLocal.get();
        if (sitemaps != null) {
            sitemapsLocal.remove();
        }
        return sitemaps;
    }