Static factory designed to expose obsolete
events to event handlers that are not necessarily instances of ApplicationCache.
See EventStreamProvider for usage information.
static const EventStreamProvider<Event> obsoleteEvent = const EventStreamProvider<Event>('obsolete')
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-html/ApplicationCache/obsoleteEvent-constant.html