anchor.diff:  
   
   %% @doc Format a acl list
  -%%
   -spec(acls(acls()) ->
                string()).
   acls(ACLs) ->
  
positive.code:                    leo_manager_formatter_commons:exchange_value(
                       ?BOOL_TO_ENABLE,
                       leo_misc:get_value('cpu_enabled', WatchdogProps)),
                     leo_misc:get_value('cpu_interval',               WatchdogProps),
                     leo_misc:get_value('cpu_threshold_cpu_load_avg', WatchdogProps),
                     leo_misc:get_value('cpu_threshold_cpu_util',     WatchdogProps),
                     leo_manager_formatter_commons:exchange_value(
                       ?BOOL_TO_ENABLE,
                       leo_misc:get_value('disk_enabled', WatchdogProps)),
                     leo_misc:get_value('disk_interval',       WatchdogProps),
                     leo_misc:get_value('disk_threshold_use',  WatchdogProps),
                     leo_misc:get_value('disk_threshold_util', WatchdogProps),
                     leo_misc:get_value('disk_threshold_rkb',  WatchdogProps),
                     leo_misc:get_value('disk_threshold_wkb',  WatchdogProps),
                     %% MQ
                     MQConf_1,
                     MQConf_2,
  
negative.code:     Col_4_MinLen = 12, %% permissions
      {Col_1_Len, Col_2_Len,
       Col_3_Len, Col_4_Len} =
          lists:foldl(fun(#bucket_dto{name = Bucket,
                                      owner = #user_credential{user_id= Owner},
                                      acls = Permissions,
                                      cluster_id = ClusterId,
                                      created_at = _CreatedAt},
                          {C1, C2, C3, C4}) ->
                              ClusterIdStr = atom_to_list(ClusterId),
                              BucketStr = binary_to_list(Bucket),
                              OwnerStr = binary_to_list(Owner),
                              PermissionsStr = leo_s3_bucket:aclinfo_to_str(Permissions),
                              Len1 = length(ClusterIdStr),
                              Len2 = length(BucketStr),
  