remoteExtension property Null safety
@JsonKey(fromJson: castPlatformMapToDartMap), read / write
修改的消息自定义ext,没有修改返回null
Implementation
@JsonKey(fromJson: castPlatformMapToDartMap)
Map<String, dynamic>? remoteExtension;
修改的消息自定义ext,没有修改返回null
@JsonKey(fromJson: castPlatformMapToDartMap)
Map<String, dynamic>? remoteExtension;