anchor.diff:  	post_hub_balance, delete_hub_balance, notify_create_bucket,
   	notify_delete_bucket, notify_rating_deleted_bucket,
   	notify_accumulated_balance, notify_accumulated_threshold,
  +	notify_query_bucket,
   	post_hub_product, delete_hub_product, notify_create_product,
   	notify_delete_product, notify_query_product, post_hub_service,
   	delete_hub_service,
  
positive.code: 			= lists:keyfind(cents, #acc_balance.units, AccBalanceRecords),
  	RA1 < Threshold.
  
  post_hub_product() ->
  	[{userdata, [{doc, "Register hub listener for product"}]}].
  
  
negative.code: 		TestCase == notify_delete_bucket;
  		TestCase == notify_rating_deleted_bucket;
  		TestCase == notify_accumulated_balance; TestCase == notify_product_charge;
  		TestCase == notify_accumulated_threshold; TestCase == notify_query_bucket;
  		TestCase == notify_create_product; TestCase == notify_delete_product;
  		TestCase == notify_query_product;
  		TestCase == notify_create_service; TestCase == notify_delete_service;
  