anchor.diff:      comm:send_local(Requestor, {web_debug_info_reply, KeyValueList}),
       State.
   
  --spec add_to_queue(Queue::fix_queue:fix_queue(), Node::node:node_type() | comm:mypid())
  +-spec add_to_queue(Queue::fix_queue:fix_queue(), Node::node:node_type())
           -> fix_queue:fix_queue().
   add_to_queue(Queue, Node) ->
       case node:is_valid(Node) of
  
positive.code: -export([add_zombie_candidate/1, subscribe/0, unsubscribe/0]).
  -type(message() ::
      {trigger} |
      {{pong}, node:node_type() | comm:mypid()} |
      {add_zombie_candidate, node:node_type() | comm:mypid()} |
      {subscribe, comm:erl_local_pid()} |
      {unsubscribe, comm:erl_local_pid()} |
      {send_error, Target::comm:mypid(), {ping, ThisWithCookie::comm:mypid()}, Reason::atom()} |
  
negative.code: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  %% @doc Adds a dht_node PID to the dead node cache for further alive-checks.
  -spec add_zombie_candidate(node:node_type()) -> ok.
  add_zombie_candidate(Node) ->
      comm:send_local(get_pid(), {add_zombie_candidate, Node}).
  
  