code: public ServiceFuture<List<EventSubscriptionInner>> listByResourceAsync(String resourceGroupName, String providerNamespace, String resourceTypeName, String resourceName, final ServiceCallback<List<EventSubscriptionInner>> serviceCallback) {
          return ServiceFuture.fromResponse(listByResourceWithServiceResponseAsync(resourceGroupName, providerNamespace, resourceTypeName, resourceName), serviceCallback);
      }
docs: List all event subscriptions for a specific topic.
  List all event subscriptions that have been created for a specific topic.
  
  @param resourceGroupName The name of the resource group within the user's subscription.
  @param providerNamespace Namespace of the provider of the topic
  @param resourceTypeName Name of the resource type
  @param resourceName Name of the resource
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object