}
            return new DefaultModelCache(cache);
        }
    }

    private final ConcurrentMap<Object, Supplier<?>> cache;

    public DefaultModelCache() {
        this(new ConcurrentHashMap<>());
    }

    private DefaultModelCache(ConcurrentMap<Object, Supplier<?>> cache) {
        this.cache = requireNonNull(cache);
    }

import static java.util.Objects.requireNonNull;

/**
 * A model builder cache backed by the repository system cache.
 *
 */
public class DefaultModelCache implements ModelCache {
    private static final String KEY = DefaultModelCache.class.getName();

    @SuppressWarnings("unchecked")
    public static ModelCache newInstance(RepositorySystemSession session) {
        ConcurrentHashMap<Object, Supplier<?>> cache;

 */
@Singleton
@Named
public class DefaultModelCacheFactory implements ModelCacheFactory {
    @Override
    public ModelCache createCache(RepositorySystemSession session) {
        return DefaultModelCache.newInstance(session);
    }

        request.userProperties(session.getUserProperties());
        request.modelCache(DefaultModelCache.newInstance(session, false));
        if (session.getCache() != null) {
            Map<?, ?> map = (Map) session.getCache().get(session, DefaultModelCache.class.getName());
            List<String> paths = map.keySet().stream()
                    .map(Object::toString)

                        .userProperties(Map.of())
                        .modelResolver(modelResolver)
                        .modelRepositoryHolder(modelRepositoryHolder)
                        .modelCache(DefaultModelCache.newInstance(session, false))
                        .build();

                ModelBuilderResult modelResult = modelBuilder.build(modelRequest);

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.bridge.MavenRepositorySystem;
import org.apache.maven.internal.impl.InternalSession;
import org.apache.maven.internal.impl.resolver.DefaultModelCache;
import org.apache.maven.internal.impl.resolver.DefaultModelRepositoryHolder;
import org.apache.maven.model.building.ArtifactModelSource;
import org.apache.maven.model.building.DefaultModelProblem;

import org.apache.maven.api.services.model.*;
import org.apache.maven.api.services.xml.XmlReaderException;
import org.apache.maven.api.services.xml.XmlReaderRequest;
import org.apache.maven.internal.impl.resolver.DefaultModelCache;
import org.apache.maven.internal.impl.resolver.DefaultModelRepositoryHolder;
import org.apache.maven.internal.impl.resolver.DefaultModelResolver;
import org.apache.maven.model.v4.MavenTransformer;