builder.add(Base64Util.decode(appliedDeltaElement.getText()));
}
ImmutableList<ByteString> deltas = builder.build();
if (!deltas.isEmpty()) {
callbackCount.incrementAndGet(); // Increment required callbacks.
listener.waveletDeltaUpdate(waveletName, deltas, callback);
}
// Optionally submit any received last committed notice.
Element commitNoticeElement = waveletUpdate.element("commit-notice");
if (commitNoticeElement != null) {