Extension to get the default disclosure indicator from tableview cells

DisclosureIndicator.swift

extension UIImage {
    
    class func disclosureIndicator() -> UIImage? {
        
        let disclosureCell = UITableViewCell()
        disclosureCell.accessoryType = UITableViewCellAccessoryType.disclosureIndicator
        
        for view in disclosureCell.subviews {
            
            if let button = view as? UIButton {
                
                if let image = button.backgroundImage(for: UIControlState.normal) {
                    return image
                }
            }
        }
        
        return nil
        
    }

}