@Bean
        @RefreshScope(proxyMode = ScopedProxyMode.DEFAULT)
        public OAuth20AuthenticationClientProvider oidcClientConfigurationAuthenticationClientProvider(
            @Qualifier(JwtBuilder.ACCESS_TOKEN_JWT_BUILDER_BEAN_NAME)
            final JwtBuilder accessTokenJwtBuilder,
            @Qualifier(TicketRegistry.BEAN_NAME)
            final TicketRegistry ticketRegistry) {
            return () -> {
                val accessTokenClient = new HeaderClient();
                accessTokenClient.setCredentialsExtractor(new BearerAuthExtractor());
                accessTokenClient.setAuthenticator(new OidcClientConfigurationAccessTokenAuthenticator(
                    ticketRegistry, accessTokenJwtBuilder));
                accessTokenClient.setName(OidcConstants.CAS_OAUTH_CLIENT_CONFIG_ACCESS_TOKEN_AUTHN);
                accessTokenClient.init();
                return accessTokenClient;
            };
        }
This is {@link OidcConfiguration}.

@author Misagh Moayyed
@since 5.0.0
support/cas-server-support-oidc/src/main/java/org/apereo/cas/config/OidcConfiguration.java