listenTo method Null safety

  1. @override
StreamSubscription<PresentationModel?> listenTo(
  1. String documentId,
  2. PresentationChanged changed,
  3. {PresentationErrorHandler? errorHandler}
)
override

Implementation

@override
StreamSubscription<PresentationModel?> listenTo(
    String documentId, PresentationChanged changed,
    {PresentationErrorHandler? errorHandler});