public function hasAnyPolicyMapping(): bool
    {
        foreach ($this->_mappings as $mapping) {
            if ($mapping->issuerDomainPolicy() ==
                 PolicyInformation::OID_ANY_POLICY) {
                return true;
            }
            if ($mapping->subjectDomainPolicy() ==
                 PolicyInformation::OID_ANY_POLICY) {
                return true;
            }
        }
        return false;
    }