code: public ServiceFuture<MediaServiceInner> updateAsync(String resourceGroupName, String mediaServiceName, MediaServiceInner parameters, final ServiceCallback<MediaServiceInner> serviceCallback) {
          return ServiceFuture.fromResponse(updateWithServiceResponseAsync(resourceGroupName, mediaServiceName, parameters), serviceCallback);
      }
docs: Updates a Media Service.
  
  @param resourceGroupName Name of the resource group within the Azure subscription.
  @param mediaServiceName Name of the Media Service.
  @param parameters Media Service properties needed for update.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object