         }
     }
 
-    @IBAction func createNewFeed(sender: AnyObject) {
+    @IBAction private func createNewFeed(sender: AnyObject) {
 
         if let window = view.window {
             newFeedTypesView.showInView(window)
         }
     }
 
-    func updateAudioPlaybackProgress(timer: NSTimer) {
+    @objc private func updateAudioPlaybackProgress(timer: NSTimer) {
 
         func updateCellOfFeedAudio(feedAudio: FeedAudio, withCurrentTime currentTime: NSTimeInterval) {
 

    
    var hideRightBarItem: Bool = false

    @IBOutlet weak var feedsTableView: UITableView!
    @IBOutlet weak var activityIndicator: UIActivityIndicatorView!

    var filterBarItem: UIBarButtonItem?
    
    lazy var filterView: DiscoverFilterView = DiscoverFilterView()
    
    lazy var newFeedTypesView: NewFeedTypesView = {
        let view = NewFeedTypesView()

        view.createTextAndPhotosFeedAction = { [weak self] in

        return view
    }()
    
    private lazy var skillTitleView: UIView = {

        let titleLabel = UILabel()

