@Override
  public void deserialize(ByteBuffer byteBuffer) {
    super.deserialize(byteBuffer);
    try {
      regionId = ThriftCommonsSerDeUtils.deserializeTConsensusGroupId(byteBuffer);
      isStart = (byteBuffer.get() != (byte) 0);
    } catch (ThriftSerDeException e) {
      LOGGER.error("Error in deserialize {}", this.getClass(), e);
    }
  }
A procedure that notifies all DNs of the ongoing region migration procedure.
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/procedure/impl/region/NotifyRegionMigrationProcedure.java