anchor.diff:         true ->
               State
       end.
  +
  +%% @doc Logical delete of a key in the cluster metadata dict
  +-spec remove_meta(Key :: term(), State :: chstate()) -> chstate().
  +remove_meta(Key, State) ->
  +    update_meta(Key, '$removed', State).
   
   %% @doc Return the current claimant.
   -spec claimant(State :: chstate()) -> node().
  
positive.code:          rename_node/3,
           responsible_index/2,
           transfer_node/3,
           update_meta/3]).
  
  -export([cluster_name/1,
           legacy_ring/1,
  
negative.code: get_meta(Key, State) -> 
      case dict:find(Key, State?CHSTATE.meta) of
          error -> undefined;
          {ok, '$removed'} -> undefined;
          {ok, M} when M#meta_entry.value =:= '$removed' -> undefined;
          {ok, M} -> {ok, M#meta_entry.value}
      end.
  
  