anchor.diff:  			{ok, RespHeaders, Body};
   		{_, {_, "PublicWLANAccessUsageSpec"}, _} ->
   			{error, 400};
  +		{_, {_, "HTTPTransferUsageSpec"}, []} ->
  +			Body = mochijson:encode({array, [spec_http_transfer()]}),
  +			{ok, RespHeaders, Body};
   		false ->
   			{error, 404};
   		_ ->
  
positive.code: %% @doc Body producing function for
  %% 	`GET /usageManagement/v1/usageSpecification'
  %% 	requests.
  get_usagespec([] = _Query) ->
  	RespHeaders = [{content_type, "application/json"}],
  	Body = mochijson:encode({array, [spec_aaa_auth(),
  
negative.code: 	{ok, RespHeaders, Body};
  get_usagespec("PublicWLANAccessUsageSpec", _Query) ->
  	{error, 400};
  get_usagespec("HTTPTransferUsageSpec", [] = _Query) ->
  	RespHeaders = [{content_type, "application/json"}],
  	Body = mochijson:encode(spec_http_transfer()),
  	{ok, RespHeaders, Body};
  get_usagespec(_Id, _Query) ->
  	{error, 404}.
  
  