final Wavelet wavelet = robotMessageBundle.getWavelet();
final Blip rootBlip = wavelet.getRootBlip();
// Construct an oauthService with the user key and Twitter OAuth info.
final String authUserId = wavelet.getCreator() + "@" + wavelet.getWaveId();
final TwitterService twitterService = new TwitterService(authUserId, getRobotAddress());
final PopupLoginFormHandler loginForm = new PopupLoginFormHandler(getRobotAddress());
// Handle the flow when Tweety was just added to a new wave.
if (robotMessageBundle.wasSelfAdded()) {
rootBlip.getDocument().setAuthor(TWEETY_ID);
wavelet.setTitle("Sign into Twitter");