/// <summary>
/// Logs in and returns the current user.
/// </summary>
/// <param name="callback">Callback to be called when request completes.</param>
public static void SignIn(Action <User> callback = null)
{
AuthProviderImpl.SignIn(callback);
}
/// <summary>
/// Gets the current user. Returns null if the user is not signed in.
/// </summary>
/// <param name="callback">Callback to be called when request completes.</param>
public static void GetUser(Action <User> callback = null)
{
AuthProviderImpl.GetUser(callback);
}
