public override async Task <string> GetPhoneNumberAsync(IdentityUser user)
{
ThrowIfDisposed();
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
CancellationToken cancellationToken = CancellationToken;
return(UserManagerHelper.GetPhoneNumber(_userApi.UserGet(user.Id), cancellationToken));
}
