code: public ServiceFuture<TopicInner> beginUpdateAsync(String resourceGroupName, String topicName, Map<String, String> tags, final ServiceCallback<TopicInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginUpdateWithServiceResponseAsync(resourceGroupName, topicName, tags), serviceCallback);
      }
docs: Update a topic.
  Asynchronously updates a topic with the specified parameters.
  
  @param resourceGroupName The name of the resource group within the user's subscription.
  @param topicName Name of the topic
  @param tags Tags 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