whmcsDNSManager/modules/addons/DNSManager2/mgLibs/custom/cache/CacheFactory.php

<?php

namespace MGModule\DNSManager2\mgLibs\custom\cache;

class CacheFactory {
    /** @return CacheInterface */
    public static function get($cache_name, $type = 'file') {
        if($type == 'file') {
            return new FileCache($cache_name);
        }
    }
}