@Override
        public final FileVisitResult postVisitDirectory(Path dir, IOException exc) {
            return doPostVisitDirectory(dir, exc);
        }

        protected abstract FileVisitResult doPostVisitDirectory(Path dir, IOException exc);
    }

            } else {
                pathTracker.leave();
                return FileVisitResult.SKIP_SUBTREE;
            }
        }

        @Override
        protected FileVisitResult doPostVisitDirectory(Path dir, IOException exc) {
            pathTracker.leave();
            // File loop exceptions are ignored. When we encounter a loop (via symbolic links), we continue,