Static factory designed to expose tonechange
events to event handlers that are not necessarily instances of RtcDtmfSender.
See EventStreamProvider for usage information.
static const EventStreamProvider<RtcDtmfToneChangeEvent> toneChangeEvent = const EventStreamProvider<RtcDtmfToneChangeEvent>('tonechange')
© 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/RtcDtmfSender/toneChangeEvent-constant.html