initialise method

@mustCallSuper void initialise()

• this is called by streamprovider to listen to streams when its created

Implementation

@mustCallSuper
void initialise() {
  final StreamDataMap _streams = streams;
  if (_streams.isNotEmpty) {
    for (final key in streams.keys) {
      streamSubscriptions[key] = listenToStream(key, _streams[key]!.stream);
    }
  }
}