docs: public static void main(String[] args) {
          if (args.length < 3) {
              System.out.println(
                      "Usage: java twitter4j.examples.user.UpdateFriendship [screen name] [enable device notification(true|false)] [enable retweets(true|false)]");
              System.exit(-1);
          }
          try {
              Twitter twitter = new TwitterFactory().getInstance();
              Relationship relationship = twitter.updateFriendship(args[0]
                      , Boolean.parseBoolean(args[1]), Boolean.parseBoolean(args[2]));
              System.out.println("Successfully updated the friendship of [" + relationship.getTargetUserScreenName() + "].");
              System.exit(0);
          } catch (TwitterException te) {
              te.printStackTrace();
              System.out.println("Failed to update the friendship: " + te.getMessage());
              System.exit(-1);
          }
      }