* @param removedModel
*/
private void removeTree(Resource resource, Model removedModel) {
Model resourceExpansion = JenaUtil.getExpandedResource(resource, 7);
saveRemove(resource, removedModel);
NodeIterator objects = resourceExpansion.listObjects();
OUTER: while (objects.hasNext()) {
RDFNode current = objects.nextNode();
if (!(current instanceof Resource)) {
continue;
}