return this;
}
/** Builds a {@link Digest} using this builder and a factory. */
public Digest build(Factory factory) {
Digest message = factory.create();
message.setTitle(title);
message.setSnippet(snippet);
message.setWaveId(waveId);
message.setLastModified(lastModified);
message.setUnreadCount(unreadCount);
message.setBlipCount(blipCount);
message.clearParticipants();
message.addAllParticipants(participants);
message.setAuthor(author);
return message;
}