private ItemDelta computePropertyDeltas(PropertyWrapper propertyWrapper, ItemPath containerPath) {
ItemDefinition itemDef = propertyWrapper.getItem().getDefinition();
ItemDelta pDelta = itemDef.createEmptyDelta(containerPath.subPath(itemDef.getName()));
addItemDelta(propertyWrapper, pDelta, itemDef, containerPath);
return pDelta;
}
