code: public void loginWithTwitter(final String oauth_token, final String oauth_token_secret, final Long user_id, final SimpleLoginAuthenticatedHandler completionHandler) {
      if(oauth_token == null || oauth_token_secret == null || user_id == null) {
        handleInvalidInvalidToken(completionHandler);
      }
      else {
        HashMap<String, String> data = new HashMap<String, String>();
        data.put("oauth_token", oauth_token);
        data.put("oauth_token_secret", oauth_token_secret);
        data.put("user_id", user_id.toString());
  
        loginWithToken(Constants.FIREBASE_AUTH_TWITTERTOKEN_PATH, Provider.TWITTER, data, completionHandler);
      }
    }
docs: Login to Firebase using a Twitter token. The returned FirebaseSimpleLoginUser object will contain pertinent
  Twitter data accessible with getThirdPartyUserData().
  
  @param oauth_token Twitter oauth token.
  @param oauth_token_secret Twitter token secret.
  @param user_id Twitter numeric user id.
  @param completionHandler Handler for asynchronous events.