toJson method
Implementation
@override
Map<String, dynamic> toJson() => <String, dynamic>{
'message_reaction_source': messageReactionSource?.toJson(),
'story_reaction_source': storyReactionSource?.toJson(),
'poll_vote_source': pollVoteSource?.toJson(),
'sound_id': soundId.toString(),
'show_preview': showPreview,
'@type': constructor,
};