protected Set<String> getSupportedAcrValues(final Authentication authentication,
                                                final RegisteredService registeredService,
                                                final HttpServletRequest request) {
        return FunctionUtils.doUnchecked(() -> discoverySettingsFactory.getObject().getAcrValuesSupported());
    }
This is {@link OidcMultifactorAuthenticationTrigger}.

@author Misagh Moayyed
@since 6.0.0
support/cas-server-support-oidc-core-api/src/main/java/org/apereo/cas/oidc/web/flow/OidcMultifactorAuthenticationTrigger.java