code: public Observable<ControllerInner> updateAsync(String resourceGroupName, String name, Map<String, String> tags) {
          return updateWithServiceResponseAsync(resourceGroupName, name, tags).map(new Func1<ServiceResponse<ControllerInner>, ControllerInner>() {
              @Override
              public ControllerInner call(ServiceResponse<ControllerInner> response) {
                  return response.body();
              }
          });
      }
docs: Updates an Azure Dev Spaces Controller.
  Updates the properties of an existing Azure Dev Spaces Controller with the specified update parameters.
  
  @param resourceGroupName Resource group to which the resource belongs.
  @param name Name of the resource.
  @param tags Tags for the Azure Dev Spaces Controller.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the ControllerInner object