* comment: The default expire of cookie in seconds e.g. 31556926: one year, 86400: one day
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCookieDefaultExpire();

    /**
     * Get the value for the key 'cookie.default.expire' as {@link Integer}. <br>
     * The value is, e.g. 3600 <br>