build method
override
Implementation
@override
Map<String, Object?> build() => {
...super.build(),
if (topic != null) 'topic': topic,
if (parentId != null) 'parent_id': parentId!.toString(),
if (isNsfw != null) 'nsfw': isNsfw,
if (defaultAutoArchiveDuration != null) 'default_auto_archive_duration': defaultAutoArchiveDuration!.inMinutes,
};