@Override
    public String[] getId() {
        val ids = new ArrayList<String>();
        ids.add(getClass().getSimpleName());
        ids.addAll(List.of(cachedPersonAttributesDao.getId()));
        return ids.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
    }
Remove user attributes multivalued seed.

@param seed the seed
support/cas-server-support-person-directory-core/src/main/java/org/apereo/cas/persondir/cache/CachingPersonAttributeDaoImpl.java