anchor.diff:  %%    a ballpark of how many entries exist.
   %% @end
   %%--------------------------------------------------------------------
  -
  +-spec count(estore()) ->
  +                   {ok, non_neg_integer(), estore()}.
   count(EStore) ->
       Files = files(EStore),
       Res = lists:foldl(fun (File, AccIn) ->
  
positive.code: %%    erlang:unique_integer and a passed term.
  %% @end
  %%--------------------------------------------------------------------
  eid(E) ->
      H = erlang:phash2({node(),
                         erlang:unique_integer(),
  
negative.code: %% @doc Deletes the store and all files within it.
  %% @end
  %%--------------------------------------------------------------------
  -spec delete(estore()) -> ok.
  delete(EStore = #estore{dir = Dir}) ->
      close(EStore),
      Files = files(EStore),
  