/**
  * get acl for a path
  *
  * @param path the path to query for acl
  * @param stat the stat for the node
  * @return the acl list for this path
  * @throws NoNodeException
  */
 public List<ACL> getACL(String path, Stat stat) throws NoNodeException {
   return dataTree.getACL(path, stat);
 }
 public List<ACL> aclForNode(DataNode n) {
   return dataTree.getACL(n);
 }