/// <summary>
/// List all the subscriptions under a specified topic.
/// <see href="https://msdn.microsoft.com/en-us/library/azure/mt639400.aspx" />
/// </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='cancellationToken'>
/// The cancellation token.
/// </param>
public static async Task <IPage <SubscriptionInner> > ListByTopicAsync(this ISubscriptionsOperations operations, string resourceGroupName, string namespaceName, string topicName, CancellationToken cancellationToken = default(CancellationToken))
{
using (var _result = await operations.ListByTopicWithHttpMessagesAsync(resourceGroupName, namespaceName, topicName, null, cancellationToken).ConfigureAwait(false))
{
return(_result.Body);
}
}
