public Map<String, List<Object>> getBackingMap() {
        return new HashMap(this.backingPerson.getAttributes());
    }
Provides the ability to define static attributes and values.

@author Misagh Moayyed
@since 7.1.0
core/cas-server-core-authentication-api/src/main/java/org/apereo/cas/authentication/attribute/StubPersonAttributeDao.java