/// <summary>
 /// Ensures that the data is a dictionary. If it is not, then it is
 /// wrapped inside of one.
 /// </summary>
 private static void EnsureDictionary(fsData data)
 {
     if (data.IsDictionary == false)
     {
         var existingData = data.Clone();
         data.BecomeDictionary();
         data.AsDictionary[Key_Content] = existingData;
     }
 }