copyWith method
Implementation
DiscardCall copyWith({
  int? callId,
  bool? isDisconnected,
  int? duration,
  bool? isVideo,
  int? connectionId,
}) => DiscardCall(
  callId: callId ?? this.callId,
  isDisconnected: isDisconnected ?? this.isDisconnected,
  duration: duration ?? this.duration,
  isVideo: isVideo ?? this.isVideo,
  connectionId: connectionId ?? this.connectionId,
);