     @IBOutlet weak public var collectionView: UICollectionView!
     var shouldReload = false
     var streamables:[Streamable]?
-    var refreshableIndex: Int?
     public var dataSource:StreamDataSource!
     public var postbarController:PostbarController?
     var relationshipController: RelationshipController?

    }

    public func removeRefreshables() {
        if let refreshableIndex = refreshableIndex {
            dataSource.removeCellItemsBelow(refreshableIndex)
        }
        else {
            dataSource.removeAllCellItems()
        }
        collectionView.reloadData()
    }



    public func clearForInitialLoad() {
        allOlderPagesLoaded = false
        dataSource.removeAllCellItems()
        collectionView.reloadData()
    }

