     internal class InsertData : ChangeData {
         var attributesAndValues: ValueContainerType?
 
-        required override init() {
+        required init() {
             super.init()
         }
 

        var attributesAndValues: ValueContainerType?
        var updatedAttributes:   [String]?

        required override init() {
            super.init()
        }



    internal class DeleteData : ChangeData   {

        required init() {
            super.init()
        }

