OnNetworkQualityType typedef Null safety

OnNetworkQualityType = dynamic Function(NetworkQualityStats localQuality, List<NetworkQualityStats> remoteQualities)

localQuality：本地网络质量

remoteQualities：已订阅用户的网络质量

Implementation

typedef OnNetworkQualityType = Function(NetworkQualityStats localQuality,
    List<NetworkQualityStats> remoteQualities);