anchor.diff:          case LastUser of
               Owner ->
                   true;
  +            non ->
  +                true;
               _ ->
                   false
           end
       end,
       delete(Level, Uuid, Pred).
  -
   %%--------------------------------------------------------------------
   %% @private
   %% @doc
  
positive.code: %%--------------------------------------------------------------------
  -spec model_init() -> model_behaviour:model_config().
  model_init() ->
      ?MODEL_CONFIG(cc_bucket, get_hooks_config(),
          ?DEFAULT_STORE_LEVEL, ?DEFAULT_STORE_LEVEL, false).
  
  %%--------------------------------------------------------------------
  %% @doc
  
negative.code:     Doc :: datastore:document(), Level :: datastore:store_level()) -> {ok, datastore:key()} | datastore:generic_error().
  update_usage_info(Key, ModelName, Doc, Level) ->
      update_usage_info(Key, ModelName, Level),
      create(Level, Doc),
      datastore:foreach_link(disk_only, Key, ModelName,
          fun(LinkName, LinkTarget, _) ->
              datastore:add_links(Level, Key, ModelName, {LinkName, LinkTarget})
  