.getOrDefault(artifact.getGroupId(), Collections.emptyMap())
                .getOrDefault(artifact.getArtifactId(), Collections.emptyMap())
                .values()
                .stream()
                .map(MavenProject::getVersion)
                .collect(Collectors.collectingAndThen(Collectors.toList(), Collections::unmodifiableList));
        if (!versions.isEmpty()) {

            Collections.synchronizedMap(new WeakHashMap<>());
    private final Map<org.eclipse.aether.artifact.Artifact, Artifact> allArtifacts =
            Collections.synchronizedMap(new WeakHashMap<>());
    private final Map<org.eclipse.aether.repository.RemoteRepository, RemoteRepository> allRepositories =
            Collections.synchronizedMap(new WeakHashMap<>());

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.Map;
import java.util.TimeZone;

import org.apache.maven.api.metadata.Metadata;
import org.apache.maven.metadata.v4.MetadataStaxReader;

        File pomFile;

        ModelBuilderRequest request;

        ModelBuilderResult result;

        MavenProject project;

        boolean root;

        List<InterimResult> modules = Collections.emptyList();

        ProjectBuildingResult projectBuildingResult;

        InterimResult(
                File pomFile,
                ModelBuilderRequest request,
                ModelBuilderResult result,

					"code-quality",
					"signing",
					"ide-native",
					"plugins-java-library",
					"antlr",
					"ide-plugins",
					"platform-base",
					"test-kit",
					"ide",
					"file-collections",
					"persistent-cache"
				]
			},
			{
				"parallelizationMethod":{
					"name":"TestDistribution"
				},
				"subprojects":[
					"kotlin-dsl-tooling-builders",

    "path": "platforms/core-execution/execution-e2e-tests",
    "unitTests": false,
    "functionalTests": true,
    "crossVersionTests": false
  },
  {
    "name": "file-collections",
    "path": "platforms/core-configuration/file-collections",
    "unitTests": true,
    "functionalTests": true,
    "crossVersionTests": false
  },
  {
    "name": "file-temp",
    "path": "platforms/core-runtime/file-temp",

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

import java.io.File;
import java.util.Arrays;
import java.util.Collections;
import java.util.Deque;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Objects;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;

import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import org.apache.maven.api.model.Dependency;
import org.apache.maven.api.model.DependencyManagement;
import org.apache.maven.api.model.DistributionManagement;

 */
package org.apache.maven.internal.impl.model;

import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Properties;

     */
    void unregisterListener(@Nonnull Listener listener);

    /**
     * Returns the list of registered listeners.
     *
     * @return an immutable collection of listeners, never {@code null}
     */
    @Nonnull
    Collection<Listener> getListeners();

    /**
     * Shortcut for {@code getService(RepositoryFactory.class).createLocal(...)}.
     *