SVNDiffWindowBuilder.save(diffWindow, true, os);
SVNDiffWindowBuilder.save(diffWindow, currentFile.getDeltaCount() == 1, os);
    public OutputStream textDeltaChunk(String path, SVNDiffWindow diffWindow) throws SVNException {        // save window, create temp file.        DAVResource currentFile = (DAVResource) myFilesMap.get(path);        try {            OutputStream os = currentFile.addTextDelta();            SVNDiffWindowBuilder.save(diffWindow, true, os);            return os;        } catch (IOException e) {            throw new SVNException();        }    }