static function LastContainerModLog(Container $container)
    {
        $lastLog = self::LastContainerLog($container);
        $containerContents = ContainerContent::Schema()->FetchByContainer(false, $container);
        foreach ($containerContents as $containerContent)
        {
            $content = $containerContent->GetContent();
            $contentLog = self::LastContentModLog($content, null);
            if (self::IsAfter($contentLog, $lastLog))
            {
                $lastLog = $contentLog;
            }
        }
        return $lastLog;
    }