/// <summary>
 /// Deletes an existing namespace. This operation also removes all
 /// associated notificationHubs under the namespace.  (see
 /// http://msdn.microsoft.com/en-us/library/windowsazure/jj856296.aspx
 /// for more information)
 /// </summary>
 /// <param name='operations'>
 /// Reference to the
 /// Microsoft.Azure.Management.NotificationHubs.INamespaceOperations.
 /// </param>
 /// <param name='resourceGroupName'>
 /// Required. The name of the resource group.
 /// </param>
 /// <param name='namespaceName'>
 /// Required. The namespace name.
 /// </param>
 /// <returns>
 /// The response of the CreateOrUpdate Api Management service long
 /// running operation.
 /// </returns>
 public static Task <NamespaceLongRunningResponse> BeginDeleteAsync(this INamespaceOperations operations, string resourceGroupName, string namespaceName)
 {
     return(operations.BeginDeleteAsync(resourceGroupName, namespaceName, CancellationToken.None));
 }