private function resolveConventionClass(string $name)
    {
        if ('default' == $name) {
            return ConcordDefault::class;
        } elseif (class_exists($name)) {
            return $name;
        }

        throw new InvalidArgumentException(
            sprintf('%s is not a valid convention class', $name)
        );
    }
private function resolveConventionClass(string $name)
    {
        if ('default' == $name) {
            return ConcordDefault::class;
        } elseif (class_exists($name)) {
            return $name;
        }

        throw new InvalidArgumentException(
            sprintf('%s is not a valid convention class', $name)
        );
    }
private function resolveConventionClass ( string $ name ) { if ( 'default' == $ name ) { return ConcordDefault :: class ; } elseif ( class_exists ( $ name ) ) { return $ name ; } throw new InvalidArgumentException ( sprintf ( '%s is not a valid convention class' , $ name ) ) ; }
Resolve the convention class

@param string $name Either a short name like 'default' or an FQCN

@return string
Resolve the convention class