<property_sheet_list>
 <portal_type id="Software Product">
  <item>DefaultImage</item>
  <item>SlapOSSoftwareProductConstraint</item>
  <item>SlaposCapacity</item>
 </portal_type>
 <portal_type id="Software Product Individual Variation">
  <item>SlaposCapacity</item>
 </portal_type>
 <portal_type id="Software Release">
  <item>SlapOSSoftwareReleaseConstraint</item>
 </portal_type>
</property_sheet_list>