public void MergeFrom(achievement_list_req from)
 {
     if (from == this)
     {
         return;
     }
 }
        public void CopyFrom(achievement_list_req from)
        {
            if (from == this)
            {
                return;
            }

            Clear();
            MergeFrom(from);
        }
 public achievement_list_req(achievement_list_req from)
 {
     MergeFrom(from);
 }