docs: protected void createTerminateSessionAction(final Flow flow) {
          val terminateSession = createActionState(flow,
              CasWebflowConstants.STATE_ID_TERMINATE_SESSION, createEvaluateAction(CasWebflowConstants.ACTION_ID_TERMINATE_SESSION));
          createStateDefaultTransition(terminateSession, CasWebflowConstants.STATE_ID_GATEWAY_REQUEST_CHECK);
      }