anchor.diff:  increment(TransId) ->
       cloudi_x_uuid:increment(TransId).
   
  +%%-------------------------------------------------------------------------
  +%% @doc
  +%% ===Return the transaction id in a standard string format.===
  +%% @end
  +%%-------------------------------------------------------------------------
  +
  +-spec to_string(TransId :: cloudi_x_uuid:cloudi_x_uuid()) ->
  +    string().
  +
  +to_string(TransId) ->
  +    to_string(TransId, standard).
  +
  +%%-------------------------------------------------------------------------
  +%% @doc
  +%% ===Return the transaction id in a string format.===
  +%% @end
  +%%-------------------------------------------------------------------------
  +
  +-spec to_string(TransId :: cloudi_x_uuid:cloudi_x_uuid(),
  +                Format :: standard | nodash |
  +                          list_standard | list_nodash |
  +                          binary_standard | binary_nodash) ->
  +    string() | binary().
  +
  +to_string(TransId, Format) ->
  +    cloudi_x_uuid:uuid_to_string(TransId, Format).
  +
   %%%------------------------------------------------------------------------
   %%% Private functions
   %%%------------------------------------------------------------------------
  
positive.code: 
  %%-------------------------------------------------------------------------
  %% @doc
  %% ===Return the transaction id in a standard string format.===
  %% @end
  %%-------------------------------------------------------------------------
  
  -spec uuid(TransId :: cloudi_x_uuid:cloudi_x_uuid()) ->
      string().
  
  uuid(TransId) ->
      uuid(TransId, standard).
  
  %%-------------------------------------------------------------------------
  %% @doc
  %% ===Return the transaction id in a string format.===
  %% @end
  %%-------------------------------------------------------------------------
  
  -spec uuid(TransId :: cloudi_x_uuid:cloudi_x_uuid(),
             Format :: standard | nodash |
                       list_standard | list_nodash |
                       binary_standard | binary_nodash) ->
      string() | binary().
  
  uuid(TransId, Format) ->
      cloudi_x_uuid:uuid_to_string(TransId, Format).
  
  %%-------------------------------------------------------------------------
  %% @doc
  
negative.code: %% external interface
  -export([datetime/1,
           datetime/2,
           from_string/1,
           increment/1,
           to_string/1,
           to_string/2]).
  
  %%%------------------------------------------------------------------------
  %%% External interface functions
  