Craft\Imager_AwsService::_getAWSStorageClass PHP Method

    private function _getAWSStorageClass()
    {
        switch (craft()->imager->getSetting('awsStorageType')) {
            case 'standard':
                return \S3::STORAGE_CLASS_STANDARD;
            case 'rrs':
                return \S3::STORAGE_CLASS_RRS;
        }
        return \S3::STORAGE_CLASS_STANDARD;
    }