*/
    @Nonnull
    <T> Optional<T> lookupOptional(Class<T> type, String name);

    /**
     * Performs a collection lookup for given typed components.
     *
     * @param type The component type.
     * @return The list of components. The list may be empty if no components found.
     * @param <T> The component type.
     * @throws LookupException if there is some provisioning related issue.

* ScaleIO persistent volumes now support referencing a secret in a namespace other than the bound persistent volume claim's namespace; this is controlled during provisioning with the `secretNamespace` storage class parameter; StoragePool and ProtectionDomain attributes no longer defaults to the value `default` ([#54013](https://github.com/kubernetes/kubernetes/pull/54013), [@vladimirvivien](https://github.com/vladimirvivien))...

- The `WatchFromStorageWithoutResourceVersion` feature was deprecated and...