code: public Observable<ManagedClusterInner> updateTagsAsync(String resourceGroupName, String resourceName) {
          return updateTagsWithServiceResponseAsync(resourceGroupName, resourceName).map(new Func1<ServiceResponse<ManagedClusterInner>, ManagedClusterInner>() {
              @Override
              public ManagedClusterInner call(ServiceResponse<ManagedClusterInner> response) {
                  return response.body();
              }
          });
      }
docs: Updates tags on a managed cluster.
  Updates a managed cluster with the specified tags.
  
  @param resourceGroupName The name of the resource group.
  @param resourceName The name of the managed cluster resource.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable for the request