code: def change_authentication(self, client_id=None, client_secret=None,
                                access_token=None, refresh_token=None):
          
          # TODO: Add error checking so you cannot change client_id and retain
          # access_token. Because that doesn't make sense.
          self.client_id = client_id or self.client_id
          self.client_secret = client_secret or self.client_secret
          self.access_token = access_token or self.access_token
          self.refresh_token = refresh_token or self.refresh_token
docs: Change the current authentication.