Chat ID or username
Whether the topic should be closed
OptionalshouldDispatch?: trueWhether to dispatch the returned service message (if any) to the client's update handler.
ID of the topic (i.e. its top message ID, see note at createForumTopic)
Service message about the modification
Toggle open/close status of a topic in a forum
Only admins with
manageTopicspermission can do this.