code: public boolean startUpdates(boolean getPreviousUpdates) {
  
          if(updateManager == null) updateManager = new RequestUpdatesManager(this, getPreviousUpdates);
  
          if(!updateManager.isRunning()) {
  
              updateManager.startUpdates();
              return true;
          }
  
          return false;
      }
docs: Use this method to start the update thread which will begin retrieving messages from the API and firing the
  relevant events for you to process the data
  
  @param getPreviousUpdates Whether you want to retrieve any updates that haven't been processed before, but were
  created prior to calling the startUpdates method
  @return True if the updater was started, otherwise False