for (Object changedObj : changed) {
Map<String, Object> entityData = new HashMap<String, Object>();
Map<String, Object> originalId = new HashMap<String, Object>();
entityData.put(commonCollectionMapperData.getVerEntCfg().getOriginalIdPropName(), originalId);
collectionChanges.add(new PersistentCollectionChangeData(
commonCollectionMapperData.getVersionsMiddleEntityName(), entityData, getElement(changedObj)));
// Mapping the collection owner's id.
commonCollectionMapperData.getReferencingIdData().getPrefixedMapper().mapToMapFromId(originalId, id);
// Mapping collection element and index (if present).