private function getWildcards(ReflectionMethod $routable)
    {
        $output = '';

        foreach ($routable->getParameters() as $parameter) {
            if ($parameter->hasType()) {
                continue;
            }

            $wildCard = Str::snake($parameter->getName()).($parameter->isDefaultValueAvailable() ? '?' : '');

            $output .= '{'.$wildCard.'}/';
        }

        return $output;
    }