anchor.diff:  
   
   %%--------------------------------------------------------------------
  +%% @private
   %% @doc
   %% Deletes a resource using provided entity logic module.
   %% Must be evaluated inside handle_errors function.
  
positive.code: 
  
  %%--------------------------------------------------------------------
  %% @doc
  %% Retrieves a resource using provided entity logic module.
  %% Must be evaluated inside handle_errors function.
  
negative.code: 
  
  %%--------------------------------------------------------------------
  %% @private
  %% @doc
  %% Updates a resource using provided entity logic module.
  %% Must be evaluated inside handle_errors function.
  