 
 
 open class LNFloatingActionButton: UIView {
-    // TODO: private when fix btn animation
     open let imageView = UIImageView()
     open var closedImage: UIImage? = nil {
         didSet {

        if openedImage == nil {
            btnAnimationWithClose(self)
        } else {
            imageView.image = closedImage
        }
        cellAnimationWothClose(self)
        isClosed = true

        if openedImage == nil {
            btnAnimationWithOpen(self)
        } else {
            originalImage = imageView.image
            imageView.image = openedImage
        }
        cells().forEach { insert(cell: $0) }
