code: public ServiceFuture<OpenShiftManagedClusterInner> createOrUpdateAsync(String resourceGroupName, String resourceName, OpenShiftManagedClusterInner parameters, final ServiceCallback<OpenShiftManagedClusterInner> serviceCallback) {
          return ServiceFuture.fromResponse(createOrUpdateWithServiceResponseAsync(resourceGroupName, resourceName, parameters), serviceCallback);
      }
docs: Creates or updates an OpenShift managed cluster.
  Creates or updates a OpenShift managed cluster with the specified configuration for agents and OpenShift version.
  
  @param resourceGroupName The name of the resource group.
  @param resourceName The name of the OpenShift managed cluster resource.
  @param parameters Parameters supplied to the Create or Update an OpenShift Managed Cluster 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