/// <summary>
 /// Creates a new rule and updates an existing rule
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='resourceGroupName'>
 /// Name of the Resource group within the Azure subscription.
 /// </param>
 /// <param name='namespaceName'>
 /// The namespace name
 /// </param>
 /// <param name='topicName'>
 /// The topic name.
 /// </param>
 /// <param name='subscriptionName'>
 /// The subscription name.
 /// </param>
 /// <param name='ruleName'>
 /// The rule name.
 /// </param>
 /// <param name='parameters'>
 /// Parameters supplied to create a rule.
 /// </param>
 /// <param name='cancellationToken'>
 /// The cancellation token.
 /// </param>
 public static async Task <Rule> CreateOrUpdateAsync(this IRulesOperations operations, string resourceGroupName, string namespaceName, string topicName, string subscriptionName, string ruleName, Rule parameters, CancellationToken cancellationToken = default(CancellationToken))
 {
     using (var _result = await operations.CreateOrUpdateWithHttpMessagesAsync(resourceGroupName, namespaceName, topicName, subscriptionName, ruleName, parameters, null, cancellationToken).ConfigureAwait(false))
     {
         return(_result.Body);
     }
 }