@Deprecated
    public SamlAssertionConsumerConfigBuilder acs() {
        final SamlAssertionConsumerConfigBuilder config = new SamlAssertionConsumerConfigBuilder(this);
        acsConfigBuilders.add(config);
        return config;
    }
Returns a {@link SamlAssertionConsumerConfigBuilder} to configure a new assertion consumer service
of this service provider.

@deprecated Use {@link #acs(SamlEndpoint)}.
saml/src/main/java/com/linecorp/armeria/server/saml/SamlServiceProviderBuilder.java