anchor.diff:          false ->
               %% Ensure we do not have any running index_hashtrees, which can
               %% happen when disabling anti-entropy on a live system.
  -            [riak_kv_index_hashtree:stop(T) || {_,T} <- State#state.trees],
  +            _ = [riak_kv_index_hashtree:stop(T) || {_,T} <- State#state.trees],
               NextState = State
       end,
       schedule_tick(),
  
positive.code: handle_call(disable, _From, State) ->
      {_, Opts} = settings(),
      application:set_env(riak_kv, anti_entropy, {off, Opts}),
      [riak_kv_index_hashtree:stop(T) || {_,T} <- State#state.trees],
      {reply, ok, State};
  handle_call({get_lock, Type, Pid}, _From, State) ->
      {Reply, State2} = do_get_lock(Type, Pid, State),
  
negative.code:         ok ->
              ok;
          {error, DiagProps} ->
              _ = [lager:error("aae_throttle_limits/anti_entropy.throttle.limits "
                           "list fails this test: ~p\n", [Check]) ||
                  {Check, false} <- DiagProps],
              error(invalid_aae_throttle_limits)
  