background_fetch library Null safety

Background Fetch

https://wicg.github.io/background-fetch/

Classes

BackgroundFetchEvent
The interface of the Background Fetch API is the event type for background fetch events dispatched on the service worker global scope. [...]
BackgroundFetchEventInit
BackgroundFetchManager
The interface of the Background Fetch API is a map where the keys are background fetch IDs and the values are BackgroundFetchRegistration objects.
BackgroundFetchOptions
BackgroundFetchRecord
The interface of the Background Fetch API represents an individual request and response. [...]
BackgroundFetchRegistration
The interface of the Background Fetch API represents an individual background fetch. [...]
BackgroundFetchUIOptions
BackgroundFetchUpdateUIEvent
The interface of the Background Fetch API is an event type passed to ServiceWorkerGlobalScope.onbackgroundfetchsuccess and ServiceWorkerGlobalScope.onbackgroundfetchfail, and provides a method for updating the title and icon of the app to inform a user of the success or failure of a background fetch.

Enums

BackgroundFetchFailureReason
BackgroundFetchResult