anchor.diff:              EmptyMembership = empty_membership(Actor),
               persist_state(EmptyMembership),
   
  -            {stop, normal, State#state{membership=EmptyMembership}};
  +            {stop, normal, State#state{membership_strategy_state=EmptyMembership}};
           _ ->
               {reply, ok, State}
       end;
  
positive.code:                                 rpc:call(Name, net_kernel, disconnect, [Node]),
                                  M0
                          end
                  end, Membership0, members(Membership0)),
  
      %% Gossip new membership to existing members, so they remove themselves.
      do_gossip(Membership0, Membership, Connections),
  
      State#state{membership=Membership}.
  
  %% @private
  internal_join(#{name := Name} = Node,
  
negative.code: -define(SET, state_orset).
  
  -type pending() :: [node_spec()].
  -type from() :: {pid(), atom()}.
  
  -record(state, {actor :: actor(),
  