@GetMapping(path = OAuth20Constants.BASE_OAUTH20_URL + '/' + OAuth20Constants.DEVICE_AUTHZ_URL)
    @Operation(summary = "Handle device code approval request")
    public ModelAndView handleGetRequest(final HttpServletRequest request, final HttpServletResponse response) {
        val model = getApprovalModel(StringUtils.EMPTY);
        return new ModelAndView(OAuth20Constants.DEVICE_CODE_APPROVAL_VIEW, model);
    }
Handle request internal model and view.

@param request  the request
@param response the response
@return the model and view
support/cas-server-support-oauth-core-api/src/main/java/org/apereo/cas/support/oauth/web/endpoints/OAuth20DeviceUserCodeApprovalEndpointController.java