code: protected void createServiceWarningViewState(final Flow flow) {
          val stateWarning = createViewState(flow, CasWebflowConstants.STATE_ID_SHOW_WARNING_VIEW, CasWebflowConstants.VIEW_ID_CONFIRM);
          createTransitionForState(stateWarning, CasWebflowConstants.TRANSITION_ID_SUCCESS, "finalizeWarning");
          val finalizeWarn = createActionState(flow, "finalizeWarning", createEvaluateAction("serviceWarningAction"));
          createTransitionForState(finalizeWarn, CasWebflowConstants.STATE_ID_REDIRECT, CasWebflowConstants.STATE_ID_REDIRECT);
      }
docs: Create service warning view state.
  
  @param flow the flow