boundaryEvent constant Null safety

EventStreamProvider<SpeechSynthesisEvent> const boundaryEvent

Static factory designed to expose boundary events to event handlers that are not necessarily instances of SpeechSynthesisUtterance.

See EventStreamProvider for usage information.

Implementation

static const EventStreamProvider<SpeechSynthesisEvent> boundaryEvent =
    const EventStreamProvider<SpeechSynthesisEvent>('boundary')