protected static final char LF = '\n';

    public void send(final CardView cardView, final SMailPostingDiscloser discloser) {
        sendToSlack(cardView, discloser);
        sendToGoogleChat(cardView, discloser);
    }

    protected void sendToSlack(final CardView cardView, final SMailPostingDiscloser discloser) {
        // https://api.slack.com/messaging/webhooks#posting_with_webhooks