@Bean
        @RefreshScope(proxyMode = ScopedProxyMode.DEFAULT)
        @ConditionalOnMissingBean(name = AssuranceVerificationSource.BEAN_NAME)
        public AssuranceVerificationSource assuranceVerificationSource(
            final CasConfigurationProperties casProperties) {
            val source = casProperties.getAuthn().getOidc().getIdentityAssurance().getVerificationSource().getLocation();
            return FunctionUtils.doIfNotNull(source,
                () -> new AssuranceVerificationJsonSource(source), AssuranceVerificationSource::empty).get();
        }
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