public static void putGoogleAuthenticatorMultipleDeviceRegistrationEnabled(final RequestContext requestContext,
                                                                               final boolean enabled) {
        requestContext.getFlowScope().put("gauthMultipleDeviceRegistrationEnabled", enabled);
    }
Put google authenticator multiple device registration enabled.

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