anchor.diff:  		Id :: string(),
   		Result :: {ok, Headers :: [tuple()], Body :: iolist()}
   				| {error, ErrorCode :: integer()} .
  -%% @doc Respond to `DELETE /catalogManagement/v1/productOffering/{id}'
  +%% @doc Respond to `DELETE /productCatalogManagement/v2/productOffering/{id}'
   %% 	request to remove a `Product Offering'.
   delete_offer(Id) ->
   	case catch ocs:delete_offer(Id) of
  
positive.code: 	Headers	:: [tuple()],
  	Body		:: iolist(),
  	Status	:: 400 | 404 | 412 | 500 .
  %% @doc Respond to `GET /catalogManagement/v2/productOffering'.
  %% 	Retrieve all Product Offerings.
  %% @todo Filtering
  get_offers(Query, Headers) ->
  
negative.code: 		Headers	:: [tuple()],
  		Body		:: iolist(),
  		Status	:: 400 | 404 | 412 | 500 .
  %% @doc Respond to `PATCH /productCatalogManagement/v2/productOffering/{id}'.
  %% 	Update a Product Offering using JSON patch method
  %% 	<a href="http://tools.ietf.org/html/rfc6902">RFC6902</a>.
  patch_offer(ProdId, Etag, ReqData) ->
  