@CanIgnoreReturnValue
    public PrincipalAttributeRepositoryFetcher fromAllAttributeRepositories() {
        activeAttributeRepositoryIdentifiers.add(PersonAttributeDao.WILDCARD);
        return this;
    }
Allow the fetcher to support/activate all attribute repositories
and disable filtering.

@return the principal attribute repository fetcher
core/cas-server-core-authentication-api/src/main/java/org/apereo/cas/authentication/attribute/PrincipalAttributeRepositoryFetcher.java