         
     }
     
-    func changeAttributedTitle(_ title: NSAttributedString, selectedTile: NSAttributedString?, atIndex: Int) {
+    open func changeAttributedTitle(_ title: NSAttributedString, selectedTile: NSAttributedString?, atIndex: Int) {
         if !isConfigurated {
             return
         }

        shadowLayer.shadowColor = color.cgColor
    }
    
    func changeThumbColor(_ color: UIColor) {
        if !isConfigurated {
            return
        }

        thumbView.backgroundColor = color
    }
    
    open func changeBackgroundColor(_ color: UIColor) {
        if !isConfigurated {
            return
        }
