### Question:
MergedWarpMessage extends AbstractMessage implements Serializable, MergeMessage { @Override public short getTypeCode() { return MessageType.TYPE_SEATA_MERGE; }  @Override short getTypeCode(); @Override String toString(); public List<AbstractMessage> msgs; public List<Integer> msgIds; }### Answer:
@Test public void getTypeCode() { MergedWarpMessage mergedWarpMessage = new MergedWarpMessage(); assertThat(mergedWarpMessage.getTypeCode()).isEqualTo(MessageType.TYPE_SEATA_MERGE); }