<configure
    xmlns="http://namespaces.zope.org/zope"
    xmlns:fssync='http://namespaces.zope.org/fssync'
    i18n_domain="zope"
    >

  <fssync:adapter
      class="zope.app.folder.Folder"
      factory=".adapter.FolderAdapter"
      />

</configure>
