anchor.diff:  %% Afterwards, cleans environment by running 'cleanup.py' script.
   %% @end
   %%--------------------------------------------------------------------
  --spec clean_environment(Config :: list(), Apps::[{AppName::atom(), ConfigName::atom()}]) -> ok.
  +-spec clean_environment(Config :: list(), Apps :: [{AppName :: atom(), ConfigName :: atom()}]) -> ok.
   clean_environment(Config, Apps) ->
       case cover:modules() of
           [] ->
  
positive.code: %% Returns list of tuples {Node, Cookie}
  %% @end
  %%--------------------------------------------------------------------
  -spec get_cookies(Nodes::[node()] | [] | undefined , AppName :: string(), CookieKey :: string(),
      DescriptionFile :: string()) -> [{Node :: node(), Cookie :: atom()}] | [].
  get_cookies(undefined, _AppName, _CookieKey, _DescriptionFile) -> [];
  get_cookies([], _AppName, _CookieKey, _DescriptionFile) -> [];
  
negative.code:                                 end
                              end, AllBeams -- ExcludedModulesFiles)
                          catch
                              _:_ ->
                                  ok % a dir may not exist (it is added for other project)
                          end
                      end, Dirs)
              end,
  