@Override
    public Map<String, List<Object>> getAttributesInternal(final RegisteredServiceAttributeReleasePolicyContext context,
                                                           final Map<String, List<Object>> attributes) {
        LOGGER.trace("Ignoring all attributes given the service is designed to never receive any.");
        return new HashMap<>();
    }
A deny rule to refuse all service from receiving attributes, whether default or not.

@author Misagh Moayyed
@since 5.0.0
core/cas-server-core-authentication-attributes/src/main/java/org/apereo/cas/services/DenyAllAttributeReleasePolicy.java