/// <summary>
 /// Creates an instance of the class
 /// </summary>
 /// <param name="parent">parent list</param>
 /// <param name="state">current state of the item</param>
 public AccessContextItem(AccessContextList parent, AccessContextItemState state)
 {
     Parent = parent;
     ItemState = state;
 }
 /// <summary>
 /// Creates an instance of the class
 /// </summary>
 /// <param name="parent">parent list</param>
 public AccessContextListItemManager(AccessContextList parent)
 {
     Parent = parent;
     Items = new Dictionary<ItemEntry, int>();
 }
 /// <summary>
 /// Creates an instance of the class
 /// </summary>
 /// <param name="parent">parent list</param>
 /// <param name="dataSource">origin item</param>
 /// <param name="state">current state of the item</param>
 public AccessContextItem(AccessContextList parent, RootItem dataSource, AccessContextItemState state)
 {
     Parent = parent;
     DataSource = dataSource;
     ItemState = state;
 }