code: public RegistryInner createOrUpdate(String resourceGroupName, String registryName, RegistryInner registry) {
          return createOrUpdateWithServiceResponseAsync(resourceGroupName, registryName, registry).toBlocking().single().body();
      }
docs: Creates or updates a container registry with the specified parameters.
  
  @param resourceGroupName The name of the resource group to which the container registry belongs.
  @param registryName The name of the container registry.
  @param registry The parameters for creating or updating a container registry.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the RegistryInner object if successful.