toJson method
Implementation
@override
Map<String, dynamic> toJson([dynamic extra]) {
return {
"@type": CONSTRUCTOR,
"chat_id": chatId,
"query": query,
"offset_date": offsetDate,
"offset_message_id": offsetMessageId,
"offset_message_thread_id": offsetMessageThreadId,
"limit": limit,
"@extra": extra,
};
}