for (WaveletId waveletId : api.getWaveView(WaveId.deserialise(waveId))) {
long fromVersion = 0;
for (int fetchNum = 0;; fetchNum++) {
System.out.println("Exporting wavelet " + waveId + ":" + waveletId.serialise()
+ " from version " + fromVersion + " ...");
JSONObject json = api.fetchWaveWithDeltas(WaveId.deserialise(waveId),
waveletId, fromVersion);
JSONArray rawDeltas = json.getJSONObject("data").getJSONArray("rawDeltas");
if (rawDeltas.length() == 0) {
break;
}