System.Exception.GetDataInternal C# (CSharp) Метод

        internal IDictionary GetDataInternal()
        {
            if (_data == null)
                if (IsImmutableAgileException(this))
                    _data = new EmptyReadOnlyDictionaryInternal();
                else
                    _data = new ListDictionaryInternal();
                
            return _data;
        }