TreePermission tp = getPermissionProvider().getTreePermission(parent, TreePermission.EMPTY);
for (String n : PathUtils.elements(source.getPath())) {
tp = tp.getChildPermission(n, parent.getChild(n).getNodeState());
}
Validator validator = createValidator(source, dest, tp, this);
return new VisibleValidator(validator, true, false);
}