static CommonParams decode(Object message) {
  final Map<Object, Object> pigeonMap = message as Map<Object, Object>;
  return CommonParams()
    ..pageName = pigeonMap['pageName'] as String
    ..uniqueId = pigeonMap['uniqueId'] as String
    ..arguments = pigeonMap['arguments'] as Map<Object, Object>
    ..opaque = pigeonMap['opaque'] as bool
    ..key = pigeonMap['key'] as String;
}