     private var currentVisit: TLVisit?
     private var topmostVisit: TLVisit?
 
-    private var activatedVisitable: TLVisitable?
     public var topmostVisitable: TLVisitable? {
         return topmostVisit?.visitable
     }

    }

    public func visitableDidRequestRefresh(visitable: TLVisitable) {
        if visitable === activatedVisitable {
            refreshing = true
            visitable.willRefresh()
            reload()

    }

    // MARK: Visitable activation

    private var activatedVisitable: TLVisitable?

    func activateVisitable(visitable: TLVisitable) {
        if visitable !== activatedVisitable {
