List<AclEntry> getAclEntries() {
      return aclStatus == null ? null : Collections.unmodifiableList(aclStatus.getEntries());
    }
Check the permissions on a file
@param fs Filesystem the file is contained in
@param stat Stat info for the file
@param action action to be performed
@param ugi user group info for the current user.  This is passed in so that tests can pass
           in mock ones.
@throws IOException If thrown by Hadoop
@throws AccessControlException if the file cannot be accessed
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/utils/HdfsUtils.java