protected void createInitialAuthenticationRequestValidationCheckAction(final Flow flow) {
        val action = createActionState(flow, CasWebflowConstants.STATE_ID_INITIAL_AUTHN_REQUEST_VALIDATION_CHECK,
            CasWebflowConstants.ACTION_ID_INITIAL_AUTHN_REQUEST_VALIDATION);
        action.getEntryActionList().add(createEvaluateAction(CasWebflowConstants.ACTION_ID_VERIFY_REQUIRED_SERVICE));
        createTransitionForState(action, CasWebflowConstants.TRANSITION_ID_AUTHENTICATION_FAILURE, CasWebflowConstants.STATE_ID_HANDLE_AUTHN_FAILURE);
        createTransitionForState(action, CasWebflowConstants.TRANSITION_ID_ERROR, CasWebflowConstants.STATE_ID_INIT_LOGIN_FORM);
        createTransitionForState(action, CasWebflowConstants.TRANSITION_ID_SUCCESS, CasWebflowConstants.STATE_ID_TICKET_GRANTING_TICKET_CHECK);
        createTransitionForState(action, CasWebflowConstants.TRANSITION_ID_SUCCESS_WITH_WARNINGS, CasWebflowConstants.STATE_ID_SHOW_AUTHN_WARNING_MSGS);
        createTransitionForState(action, CasWebflowConstants.TRANSITION_ID_READ_BROWSER_STORAGE, CasWebflowConstants.STATE_ID_BROWSER_STORAGE_READ);
    }
This is {@link DefaultLoginWebflowConfigurer}.

@author Misagh Moayyed
@since 5.0.0
core/cas-server-core-webflow-api/src/main/java/org/apereo/cas/web/flow/configurer/DefaultLoginWebflowConfigurer.java