private static final long serialVersionUID = 1L;

    private List<CrawlingInfoParam> crawlingInfoParamList;

    public CrawlingInfo() {
    }

    public CrawlingInfo(final String sessionId) {
        setSessionId(sessionId);
    }

    public String getId() {
        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    public Long getVersionNo() {