delegate.visitDirectory(directorySnapshot);
    }

    public void markCurrentLevelAsFiltered() {
        isCurrentLevelUnfiltered.removeLast();
        isCurrentLevelUnfiltered.addLast(false);
    }

    public boolean isCurrentLevelUnfiltered() {
        return isCurrentLevelUnfiltered.getLast();
    }

    @Override
    public FileSystemLocationSnapshot leaveDirectory() {

                throw new UncheckedIOException(String.format("Could not read directory path '%s'.", dir), exc);
            }
            boolean currentLevelComplete = builder.isCurrentLevelUnfiltered();
            FileSystemLocationSnapshot currentLevel = builder.leaveDirectory();
            if (!currentLevelComplete) {
                filteredDirectorySnapshots.add(currentLevel);
            }