Config::getMonitorEnableType

static function getMonitorEnableType(): ?string
{
	$enableType = self::getMonitorEnableOption();
	if ($enableType == '1')
	{
		return self::TYPE_ALL;
	}

	if ($enableType == '0')
	{
		return self::TYPE_NONE;
	}

	return self::TYPE_FOR_USER;
}