private function validate(string $name, string $path) : void
    {
        if (! ctype_alpha($name)) {
            $this->abort(sprintf('Invalid Relation name provided: %s', $name));
        }

        if (in_array($name, Utility::findDirs($path))) {
            $this->abort(sprintf('Relation %s already exists', $name));
        }
    }