<property_sheet_list>
 <portal_type id="Certificate Authority Tool">
  <item>CertificateAuthorityToolConsistencyConstraint</item>
 </portal_type>
 <portal_type id="Id Tool">
  <item>SlapOSModuleIdGeneratorConstraint</item>
 </portal_type>
 <portal_type id="Memcached Tool">
  <item>MemcachedToolServerConstraint</item>
 </portal_type>
</property_sheet_list>