Definition
Cookie Store API defines ExtendableCookieChangeEvent
[Exposed=ServiceWorker]
interface ExtendableCookieChangeEvent : ExtendableEvent {
constructor(DOMString type, optional ExtendableCookieChangeEventInit eventInitDict = {});
[SameObject] readonly attribute FrozenArray<CookieListItem> changed;
[SameObject] readonly attribute FrozenArray<CookieListItem> deleted;
};