/// <summary>
 /// Creates or updates an attestation at subscription scope.
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='subscriptionId'>
 /// The ID of the target subscription.
 /// </param>
 /// <param name='attestationName'>
 /// The name of the attestation.
 /// </param>
 /// <param name='parameters'>
 /// The attestation parameters.
 /// </param>
 public static Attestation BeginCreateOrUpdateAtSubscription(this IAttestationsOperations operations, string subscriptionId, string attestationName, Attestation parameters)
 {
     return(operations.BeginCreateOrUpdateAtSubscriptionAsync(subscriptionId, attestationName, parameters).GetAwaiter().GetResult());
 }