fromMessage example

throw new UnsupportedMessageTypeException(__CLASS__, ChatMessage::class, $message);
        }

        if (($options = $message->getOptions()) && !$options instanceof GoogleChatOptions) {
            throw new LogicException(sprintf('The "%s" transport only supports instances of "%s" for options.', __CLASS__, GoogleChatOptions::class));
        }

        if (!$options) {
            if ($notification = $message->getNotification()) {
                $options = GoogleChatOptions::fromNotification($notification);
            } else {
                $options = GoogleChatOptions::fromMessage($message);
            }
        }

        $threadKey = $options->getThreadKey() ?: $this->threadKey;

        $url = sprintf('https://%s/v1/spaces/%s/messages?key=%s&token=%s%s',
            $this->getEndpoint(),
            $this->space,
            urlencode($this->accessKey),
            urlencode($this->accessToken),
            $threadKey ? '&threadKey='.urlencode($threadKey) : ''
        );