 
     fileprivate let viewModel: TalkPageViewModel
     fileprivate var headerView: TalkPageHeaderView?
+
+    fileprivate var topicReplyOnboardingHostingViewController: TalkPageTopicReplyOnboardingHostingController?
     
     fileprivate lazy var shareButton: IconBarButtonItem = IconBarButtonItem(image: UIImage(systemName: "square.and.arrow.up"), style: .plain, target: self, action: #selector(userDidTapShareButton))
     

        navigate(to: url.absoluteURL)
    }
}

        navVC.modalPresentationStyle = .pageSheet
        navVC.presentationController?.delegate = self
        present(navVC, animated: true, completion: nil)
        presentTopicReplyOnboardingIfNecessary()
    }
    
    fileprivate func setupToolbar() {
