public async Task <List <Setting <T> > > GetAllSettingsAsync <T>()
{
var keys = await _configClient.GetAllKeysAsync();
var settings = new List <Setting <T> >();
foreach (var key in keys)
{
settings.Add(new Setting <T>()
{
Key = key,
Value = await _configClient.GetValueAsync <T>(key, default)
});