<hidden_content_type_list>
 <portal_type id="Accounting Rule Cell">
  <item>Accounting Transaction Line</item>
 </portal_type>
 <portal_type id="Accounting Transaction">
  <item>Accounting Transaction Line</item>
  <item>File</item>
  <item>Image</item>
 </portal_type>
 <portal_type id="Accounting Transaction Module">
  <item>Balance Transaction</item>
 </portal_type>
 <portal_type id="Balance Transaction">
  <item>Balance Transaction Line</item>
 </portal_type>
 <portal_type id="Payment Transaction">
  <item>Accounting Transaction Line</item>
  <item>File</item>
  <item>Image</item>
 </portal_type>
 <portal_type id="Preference">
  <item>Accounting Transaction</item>
  <item>Payment Transaction</item>
  <item>Purchase Invoice Transaction</item>
  <item>Sale Invoice Transaction</item>
 </portal_type>
 <portal_type id="Purchase Invoice Transaction">
  <item>File</item>
  <item>Image</item>
  <item>Purchase Invoice Transaction Line</item>
 </portal_type>
 <portal_type id="Sale Invoice Transaction">
  <item>File</item>
  <item>Image</item>
  <item>Sale Invoice Transaction Line</item>
 </portal_type>
</hidden_content_type_list>