extension property Null safety
@JsonKey(fromJson: castPlatformMapToDartMap), read / write
扩展字段,SDK会转成json字符串使用
Implementation
@JsonKey(fromJson: castPlatformMapToDartMap)
Map<String, dynamic>? extension;
扩展字段,SDK会转成json字符串使用
@JsonKey(fromJson: castPlatformMapToDartMap)
Map<String, dynamic>? extension;