protected Map<String, List<Object>> toSeedMap(final String username) {
        val values = List.of((Object) username);
        val usernameAttribute = this.usernameAttributeProvider.getUsernameAttribute();
        val seed = Map.of(usernameAttribute, values);
        LOGGER.debug("Created seed map [{}] for username [{}]", seed, username);
        return seed;
    }
This is {@link AbstractDefaultAttributePersonAttributeDao}.

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