/// <summary>
/// Signs the user out of the service.
/// </summary>
public static async Task SignOutAsync()
{
if (string.IsNullOrEmpty(_loggedInUser))
{
return;
}
if (_discoveryContext == null)
{
_discoveryContext = await DiscoveryContext.CreateAsync();
}
await _discoveryContext.LogoutAsync(_loggedInUser);
}