<type_mixin>
 <portal_type id="Catalog Tool">
  <item>SlapOSCatalogToolCacheMixin</item>
 </portal_type>
 <portal_type id="Compute Node">
  <item>SlapOSCacheMixin</item>
  <item>SlapOSComputeNodeMixin</item>
 </portal_type>
 <portal_type id="Compute Partition">
  <item>SlapOSCacheMixin</item>
  <item>SlapOSComputePartitionMixin</item>
 </portal_type>
 <portal_type id="Instance Node">
  <item>SlapOSCacheMixin</item>
 </portal_type>
 <portal_type id="Person">
  <item>SlapOSCacheMixin</item>
 </portal_type>
 <portal_type id="Remote Node">
  <item>SlapOSCacheMixin</item>
 </portal_type>
 <portal_type id="Slave Instance">
  <item>SlapOSCacheMixin</item>
 </portal_type>
 <portal_type id="Software Installation">
  <item>SlapOSCacheMixin</item>
 </portal_type>
 <portal_type id="Software Instance">
  <item>SlapOSCacheMixin</item>
 </portal_type>
</type_mixin>