{
    itemPropertyDescriptors.add
      (new ItemPropertyDescriptor
        (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
         getResourceLocator(),
         getString("_UI_EAnnotation_source_feature"),
         getString("_UI_EAnnotation_source_description"),
         EcorePackage.Literals.EANNOTATION__SOURCE,
         true,
         ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
         null,
         null)
       {
         @Override
        public void setPropertyValue(Object object, Object value)
         {
           super.setPropertyValue(object, stripToNull((String)value));
         }
       });
  }