code: protected void createFrontLogoutActionState(final Flow flow) {
          val actionState = createActionState(flow, CasWebflowConstants.STATE_ID_FRONT_LOGOUT,
              createEvaluateAction("frontChannelLogoutAction"));
          createTransitionForState(actionState, CasWebflowConstants.TRANSITION_ID_FINISH, CasWebflowConstants.STATE_ID_FINISH_LOGOUT);
          createTransitionForState(actionState, CasWebflowConstants.TRANSITION_ID_PROPAGATE,
              CasWebflowConstants.STATE_ID_PROPAGATE_LOGOUT_REQUESTS);
      }
docs: Create front logout action state.
  
  @param flow the flow