docs: def _enable_session_activity(self, app):
          """Enable session activity."""
          user_logged_in.connect(login_listener, app)
          user_logged_out.connect(logout_listener, app)
          from .views.settings import blueprint
          from .views.security import security, revoke_session
          blueprint.route('/security/', methods=['GET'])(security)
          blueprint.route('/sessions/revoke/', methods=['POST'])(revoke_session)