toJson method
Converts an InlineQueryResultCachedSticker object to a JSON map
Implementation
@override
Map<String, dynamic> toJson() {
return {
'type': type.value,
'id': id,
'sticker_file_id': stickerFileId,
'reply_markup': replyMarkup?.toJson(),
'input_message_content': inputMessageContent?.toJson(),
}..removeWhere(_nullFilter);
}