Pantheon\Terminus\Models\Upstream::serialize PHP Method

    public function serialize()
    {
        if (!empty($this->site)) {
            return ['url' => $this->get('url'), 'product_id' => $this->get('product_id'), 'branch' => $this->get('branch'), 'status' => $this->getStatus()];
        }
        return (array) $this->attributes;
    }