Message.MessageKey key = Message.MessageKey.of("foo", 1l);
LocalDateTime timestamp = LocalDateTime.now();
Message mutated = new Message(key, 0l, timestamp, "Mutated!");
Message.MessageKey key = Message.MessageKey.of("foo", 1l);
LocalDateTime timestamp = LocalDateTime.now();
Message mutated = new Message(key, 0l, timestamp, "Mutated!");