code: public ServiceFuture<ContainerServiceInner> beginCreateOrUpdateAsync(String resourceGroupName, String containerServiceName, ContainerServiceInner parameters, final ServiceCallback<ContainerServiceInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, containerServiceName, parameters), serviceCallback);
      }
docs: Creates or updates a container service.
  Creates or updates a container service with the specified configuration of orchestrator, masters, and agents.
  
  @param resourceGroupName The name of the resource group.
  @param containerServiceName The name of the container service in the specified subscription and resource group.
  @param parameters Parameters supplied to the Create or Update a Container Service operation.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object