1. DomName('FetchEvent.respondWith')
  2. DocsEditable()
  3. Experimental()
void respondWith(Object value)

Source 

@DomName('FetchEvent.respondWith')
@DocsEditable()
@Experimental() // untriaged
void respondWith(Object value) => _blink.BlinkFetchEvent.instance.respondWith_Callback_1_(this, value);