@Override
  public void serialize(DataOutputStream stream) throws IOException {
    stream.writeShort(ProcedureType.DROP_PIPE_PROCEDURE_V2.getTypeCode());
    super.serialize(stream);
    ReadWriteIOUtils.write(pipeName, stream);
  }
This is only used when the pipe task info lock is held by another procedure.
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/procedure/impl/pipe/task/DropPipeProcedureV2.java