private Dictionary<string, T> FetchDictionary<T>() where T:IConvertible
    {

        if (typeof(T) == typeof(int))
        {
            return IntsDictionary.ToDictionary(x=> x.Key,x=> (T)Convert.ChangeType(x.Value,typeof(T)));
        }

        if (typeof(T) == typeof(string))
        {
            return StringsDictionary.ToDictionary(x => x.Key, x => (T)Convert.ChangeType(x.Value, typeof(T)));
        }

        return DoublesDictionary.ToDictionary(x => x.Key, x => (T)Convert.ChangeType(x.Value, typeof(T)));

    }