@Override
    protected Map<String, List<Object>> mergePersonAttributes(final Map<String, List<Object>> toModify, final Map<String, List<Object>> toConsider) {
        return toModify;
    }
This is {@link ReturnOriginalAttributeMerger}.

@author Misagh Moayyed
@since 7.1.0
core/cas-server-core-authentication-api/src/main/java/org/apereo/cas/authentication/principal/merger/ReturnOriginalAttributeMerger.java