}

    private Map<String, NamedLockFactory> namedLockFactories;

    public final Map<String, NamedLockFactory> getNamedLockFactories() {
        checkClosed();
        if (namedLockFactories == null) {
            namedLockFactories = createNamedLockFactories();
        }
        return namedLockFactories;
    }

    protected Map<String, NamedLockFactory> createNamedLockFactories() {

        super(false);
    }

    @Override
    public Model merge(Model target, Model source, boolean sourceDominant, Map<?, ?> hints) {
        return super.merge(target, source, sourceDominant, hints);
    }

    @Override
    protected Model mergeModel(Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        context.put(ARTIFACT_ID, target.getArtifactId());

     */
    private final Map<Path, String> descriptors;

    /**
     * Whether module hierarchy was detected. If false, then package hierarchy is assumed.
     * In a package hierarchy, the {@linkplain #descriptors} map has either zero or one entry.
     * In a module hierarchy, the descriptors map may have an arbitrary number of entries,
     * including one (so the map size cannot be used as a criterion).
     *

        if (source == null) {
            return target;
        } else if (target == null) {
            return source;
        }

        Map<Object, InputLocation> locations;
        Map<Object, InputLocation> sourceLocations = source.locations;
        Map<Object, InputLocation> targetLocations = target.locations;
        if (sourceLocations == null) {
            locations = targetLocations;

     * @throws ModelParserException if the model cannot be parsed
     */
    @Nonnull
    Model parse(@Nonnull Source source, @Nullable Map<String, ?> options) throws ModelParserException;

    /**
     * Locate and parse the model in the specified directory.
     * This is equivalent to {@code locate(dir).map(s -> parse(s, options))}.
     *
     * @param dir the directory to locate the pom for, never {@code null}

    }

    public final void addProvideToken(String type, RequirementMatcher matcher) {
        provides.put(type, matcher);
    }

    @Override
    public boolean matchesRequirements(Map<String, String> requirements) {
        for (Map.Entry<String, String> requirement : requirements.entrySet()) {
            String key = requirement.getKey();

            RequirementMatcher matcher = provides.get(key);

        return model.withBuild(build);
    }

    private List<Plugin> expandPlugin(List<Plugin> oldPlugins) {
        return map(oldPlugins, plugin -> {
            XmlNode pluginConfiguration = plugin.getConfiguration();
            if (pluginConfiguration != null) {
                return plugin.withExecutions(map(
                        plugin.getExecutions(),
                        execution -> execution.withConfiguration(

            List<Plugin> src = source.getPlugins();
            if (!src.isEmpty()) {
                Map<Object, Plugin> managedPlugins = new LinkedHashMap<>(src.size() * 2);

                Map<Object, Object> context = Collections.emptyMap();

                for (Plugin element : src) {
                    Object key = getPluginKey().apply(element);

    @Mock
    Session session;

    @BeforeEach
    void setup() {
        Map<String, String> map = System.getProperties().entrySet().stream()
                .collect(Collectors.toMap(
                        e -> e.getKey().toString(), e -> e.getValue().toString()));
        //        lenient().when(session.getSystemProperties()).thenReturn(map);
        //        lenient().when(session.getUserProperties()).thenReturn(Collections.emptyMap());

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.internal.impl;

import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;

import org.apache.maven.api.Repository;
import org.apache.maven.api.Version;
import org.apache.maven.api.di.Inject;
import org.apache.maven.api.di.Named;