protected function statusCodes($statusCode, $customDescription = null)
    {
        if ($customDescription) {
            $description = $customDescription;
        }
        if ($customDescription !== null || array_key_exists($statusCode, $this->defaultStatusCodes)) {
            if (!isset($description)) {
                $description = $this->defaultStatusCodes[$statusCode];
            }
            $description = !is_array($description) ? [$description] : $description;
            $this->addStatusCode($statusCode, $description);
        }

        return $this;
    }