         }
     }
     
-    let layout = DiscoverFlowLayout()
-
-    var discoveredUserSortStyle: DiscoveredUserSortStyle = .Default {
+    private let layout = DiscoverFlowLayout()
+
+    private var discoveredUserSortStyle: DiscoveredUserSortStyle = .Default {
         didSet {
             discoveredUsers = []
             discoveredUsersCollectionView.reloadData()

        }
    }

    var discoveredUsers = [DiscoveredUser]()

    lazy var filterView: DiscoverFilterView = DiscoverFilterView()

    override func viewDidLoad() {
        super.viewDidLoad()


extension DiscoverViewController: UICollectionViewDelegate, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {

    private enum Section: Int {
        case User
        case LoadMore
    }
