// The from entity doesn't exist on the to source therefore
// has been deleted. We don't know when the entity was
// deleted so set the delete time to the current time.
changeSink.process(
new ChangeContainer(
timestampSetter.updateTimestamp(fromEntityContainer),
ChangeAction.Delete));
fromEntityContainer = null;
}
// Any remaining "to" entities are creates.
while (toEntityContainer != null || toPostbox.hasNext()) {