private static void processClientBackchannelAuthentication(final OidcClientRegistrationRequest registrationRequest,
                                                               final OidcRegisteredService registeredService) {
        registeredService.setBackchannelTokenDeliveryMode(registrationRequest.getBackchannelTokenDeliveryMode());
        registeredService.setBackchannelUserCodeParameterSupported(registrationRequest.isBackchannelUserCodeParameterSupported());
        registeredService.setBackchannelClientNotificationEndpoint(registrationRequest.getBackchannelClientNotificationEndpoint());
        registeredService.setBackchannelAuthenticationRequestSigningAlg(registrationRequest.getBackchannelAuthenticationRequestSigningAlg());
    }
This is {@link OidcDefaultClientRegistrationRequestTranslator}.

@author Misagh Moayyed
@since 6.6.0
support/cas-server-support-oidc-core-api/src/main/java/org/apereo/cas/oidc/web/controllers/dynareg/OidcDefaultClientRegistrationRequestTranslator.java