/**
 * Core extension selector: selects which entries to load from {@link InvokerRequest#coreExtensions()}.
 *
 * @param <C> The context type.
 */
public interface CoreExtensionSelector<C extends LookupContext> {
    /**
     * Selects core extensions to be loaded from list of all sources detected.
     */
    @Nonnull
    List<CoreExtension> selectCoreExtensions(LookupInvoker<C> invoker, C context);

    /**
     * Creates container capsule.
     */
    @Nonnull
    ContainerCapsule createContainerCapsule(
            LookupInvoker<C> invoker, C context, CoreExtensionSelector<C> coreExtensionSelector) throws Exception;

import org.apache.maven.api.cli.extensions.CoreExtension;
import org.apache.maven.api.cli.extensions.InputLocation;

public class PrecedenceCoreExtensionSelector<C extends LookupContext> implements CoreExtensionSelector<C> {
    @Override
    public List<CoreExtension> selectCoreExtensions(LookupInvoker<C> invoker, C context) {
        Optional<List<CoreExtensions>> coreExtensions = context.invokerRequest.coreExtensions();