public static function GetSessionMaxTime () {
		static::$sessionMaxTime = static::$sessionStartTime;
		if (static::$meta->expirations) {
			foreach (static::$meta->expirations as /*$sessionNamespaceName => */$expiration) {
				if ($expiration > static::$sessionMaxTime)
					static::$sessionMaxTime = $expiration;
			}
		}
		return static::$sessionMaxTime;
	}