 import UIKit
 import QuartzCore
 
-@objc protocol DropdownListMenuDelegate : NSObjectProtocol {
+@objc protocol DropdownListMenuDelegate {
     
     optional func dropdownListMenuWillDisplay()
     optional func dropdownListMenuWillDismiss()

/*
 MIT License
 
 Copyright (c) 2016 Takuyaaan
 

    private var fontOfListItem: UIFont!           // list item font size
    private var baseView: UIView!
    private var tableView: UITableView!
    
    final let kvListRowHeight = 50
    
    override init() {
        super.init()
