onTrackUnsubscribed method Null safety

void onTrackUnsubscribed(
  1. RemoteParticipant participant,
  2. Track track,
  3. RemoteTrackPublication publication
)

The LocalParticipant has unsubscribed from a track published by this RemoteParticipant. This event is fired when the track was unpublished

Implementation

void onTrackUnsubscribed(
    RemoteParticipant participant, Track track, RemoteTrackPublication publication) {}