An exception for terminatinating execution or to throw for unit testing.
Interface hasAmount Items can implicitly contain a various amount of news.
withOldAmount(int $amount=0)
Set the amount of old notes, the notification contains.
getOldAmount()
Get the amount of new notes, the notification contains.
withNewAmount(int $amount=0)
Set the amount of new notes, the notification contains.
getNewAmount()
Get the amount of new notes, the notification contains.