* (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.entity.Sitemap#getLastmod()
     */
    @Override
    public String getLastmod() {
        return lastmod;
    }

    /**
     * Sets the last modification time of the sitemap.
     * @param lastmod the last modification time in W3C Datetime format
     */
    public void setLastmod(final String lastmod) {
        this.lastmod = lastmod;
    }

     */
    String getLoc();

    /**
     * Retrieves the last modification date of the sitemap.
     *
     * @return A string representing the last modification date.
     */
    String getLastmod();

     * @return the last modification date
     */
    @Override
    public String getLastmod() {
        return lastmod;
    }

    /**
     * Sets the last modification date of this sitemap entry.
     * @param lastmod the last modification date to set
     */
    public void setLastmod(final String lastmod) {
        this.lastmod = lastmod;
    }

    /**