     /**
     Add a text field to the controller. It will not have any placeholder text nor secure text entry
     */
-    public func addTextField() -> LKAlertController {
+    public func addTextField() -> Alert {
         super.addTextField(nil, secureText: nil)
         
         return self

    :param: placeholder  Placeholder text for text field
    :param: secureText  Secure text entry for text field
    */
    internal func addTextField(placeholder: String?, secureText: Bool?) -> LKAlertController {
        alertController.addTextFieldWithConfigurationHandler { (textField: UITextField!) -> Void in
            if let placeholder = placeholder {
                textField.placeholder = placeholder

    
    :param: placeholder  Placeholder text for text field
    */
    public func addTextField(placeholder: String) -> Alert {
        super.addTextField(placeholder, secureText: nil)
        
        return self
