// now check again the deletion cascade for violated constraints
// Check all end nodes of outgoing relationships which are connected if they are
// still valid after node deletion
for (NodeInterface nodeToCheck : nodesToCheckAfterDeletion) {
ErrorBuffer errorBuffer = new ErrorBuffer();
if (!deletedNodes.contains(nodeToCheck) && !nodeToCheck.isValid(errorBuffer)) {
// remove end node from index
nodeToCheck.removeFromIndex();