public static function loadClosest($context = '')
    {
        $length = strlen($context);
        for ($i = $length; $i > 0;) {
            try {
                /* Trying to load the new context */
                static::load($context);
                return $context;
            } catch (LoaderException $e) {
                /* Replace last two non zero digits by zeroes */
                do {
                    $i -= 2;
                    $part = substr($context, $i, 2);
                    /* No more numeric parts to strip */
                    if (! is_numeric($part)) {
                        break 2;
                    }
                } while (intval($part) === 0 && $i > 0);
                $context = substr($context, 0, $i) . '00' . substr($context, $i + 2);
            }
        }
        /* Fallback to loading at least matching engine */
        if (strncmp($context, 'MariaDb', 7) === 0) {
            return static::loadClosest('MariaDb100300');
        } elseif (strncmp($context, 'MySql', 5) === 0) {
            return static::loadClosest('MySql50700');
        }
        return null;
    }