/**
 * Container capsule backed by Plexus Container.
 */
public class PlexusContainerCapsule implements ContainerCapsule {
    private final ClassLoader previousClassLoader;
    private final DefaultPlexusContainer plexusContainer;
    private final Lookup lookup;

    public PlexusContainerCapsule(
            LookupContext context, ClassLoader previousClassLoader, DefaultPlexusContainer plexusContainer) {

        requireNonNull(invoker, "invoker");
        requireNonNull(context, "context");
        requireNonNull(coreExtensionSelector, "coreExtensionSelector");
        return new PlexusContainerCapsule(
                context,
                Thread.currentThread().getContextClassLoader(),
                container(invoker, context, coreExtensionSelector));
    }

    protected DefaultPlexusContainer container(