anchor.diff:  	end,
   	{{stream, Filesize, Writefile}, Req, State}.
   
  -
   -spec directory_path(dirspec()) -> dirpath().
   directory_path({priv_dir, App, []}) ->
   	priv_dir_path(App);
  
positive.code: 	end,
  	{ok, Req1, State}.
  
  
  %% @private Only allow GET and HEAD requests on files.
  -spec allowed_methods(Req, #state{})
  	-> {[binary()], Req, #state{}} when Req::cowboy_req:req().
  
negative.code: join_paths([], Filepath) ->
  	filename:join(Filepath).
  
  %% @private Return the path to the priv/ directory of an application.
  -spec priv_dir_path(atom()) -> string().
  priv_dir_path(App) ->
  