public static Boolean isGoogleAuthenticatorMultipleDeviceRegistrationEnabled(final RequestContext requestContext) {
        return requestContext.getFlowScope().get("gauthMultipleDeviceRegistrationEnabled", Boolean.class);
    }
Is google authenticator multiple device registration enabled?

@param requestContext the request context
@return true /false
core/cas-server-core-webflow-mfa-api/src/main/java/org/apereo/cas/web/flow/util/MultifactorAuthenticationWebflowUtils.java