anchor.diff:                          []
                   end,
               {Node, #dispatcher_lb_advice{should_delegate = ShouldDelegate,
  -                nodes_and_frequency = NodesAndFrequency, all_nodes = Nodes}}
  +                nodes_and_frequency = NodesAndFrequency, all_nodes = Nodes, singleton_modules = Singletons}}
           end, NodesAndLoads),
       % TODO test if extra load is useful in DNS advices and maybe move it to a helper function
       % Calculate expected extra loads on each node.
  
positive.code: %% starts broadcasting advices.
  %% @end
  %%--------------------------------------------------------------------
  -spec all_nodes_for_dispatcher(Advice :: #dispatcher_lb_advice{}) -> [node()].
  all_nodes_for_dispatcher(#dispatcher_lb_advice{all_nodes = AllNodes}) ->
      AllNodes.
  
  
  %%--------------------------------------------------------------------
  
negative.code:     %   should requests be rerouted to given node.
      nodes_and_frequency = [] :: [{Node :: node(), Frequency :: float()}],
      % List of all nodes (dispatcher needs such knowledge for multicalls)
      all_nodes = [] :: [node()],
      singleton_modules = [] :: [{Module :: atom(), Node :: node()}]
  }).
  
  
  