public bool MoveCursorToStartOfBookmark(string name)
            {
                return(MockBookmarks.Contains(name));

                //  throw new NotImplementedException();
            }
 public void DeleteBookmark(string name, bool deleteContent)
 {
     MockBookmarks.Remove(name);
 }
 public void CloneBookmarkContent(string name, string newName = "")
 {
     MockBookmarks.Add(name);
 }