anchor.diff:      start/0,
       start_processes/1,
       process_loop/0,
  -    register_on_node/3,
  -    do_register_on_node/2,
  -    unregister_on_node/3,
  -    do_unregister_on_node/2,
  +    register_on_node/4,
  +    unregister_on_node/4,
       wait_registration_propagation/1,
       wait_unregistration_propagation/0
   ]).
  
positive.code:     %% start registration
      lists:foreach(fun({Node, FromName, _ToName}) ->
          Pids = maps:get(Node, PidsMap),
          rpc:cast(Node, ?MODULE, register_on_node, [CollectorPid, FromName, Pids])
      end, NodesInfo),
  
      %% wait
  
negative.code: 
      %% start unregistration
      lists:foreach(fun({Node, FromName, ToName}) ->
          rpc:cast(Node, ?MODULE, unregister_on_node, [CollectorPid, WorkersPerNode, FromName, ToName])
      end, NodesInfo),
  
      %% wait
  