@Override
                public void visitRegularFile(RegularFileSnapshot fileSnapshot) {
                    HashCode normalizedContentHash = hashContent(fileSnapshot, relativePath);
                    if (normalizedContentHash == null) {
                        return;
                    }

                    String absolutePath = snapshot.getAbsolutePath();

            }
        }

        @Override
        void flushOutput() {
            if (shouldForward()) {
                boolean hasContent = !bufferedLogs.isEmpty();
                if (!hasForeground() || statusHasChanged()) {
                    if (needHeaderSeparator || hasContent) {
                        listener.onOutput(spacerLine(lastUpdateTime, category));
                    }

     */
    protected static boolean visitAll(FileSystemMirroringFileTree tree) {
        final MutableBoolean hasContent = new MutableBoolean();
        tree.visit(new FileVisitor() {
            @Override
            public void visitDir(FileVisitDetails dirDetails) {
                dirDetails.getFile();
                hasContent.set(true);
            }

            @Override