MavenProject project;
        Path file = Paths.get("src/test/resources/consumer/trivial/child/pom.xml");
        try (InputStream inputStream = Files.newInputStream(file)) {
            org.apache.maven.model.Model model =
                    new org.apache.maven.model.Model(new MavenStaxReader().read(inputStream));
            project = new MavenProject(model);
            project.setRootDirectory(Paths.get("src/test/resources/consumer/trivial"));

     */
    @Nonnull
    @Override
    public String option(Iterable<? extends Path> paths) {
        return format(null, paths);
    }

    /**
     * Implementation shared with {@link Modular}.
     */
    String format(String moduleName, Iterable<? extends Path> paths) {
        if (option == null) {
            throw new IllegalStateException("No option is associated to this path type.");

                    Path path = result.getArtifact().getFile().toPath();
                    artifactManager.setPath(artifact, path);
                    paths.put(artifact, path);
                }
            }
            return () -> paths;
        } catch (ArtifactResolutionException e) {
            throw new ArtifactResolverException("Unable to resolve artifact", e);
        }
    }

        MavenSession ms = new MavenSession(null, rss, mer, null);
        ms.getRequest().setRootDirectory(Paths.get("myRootDirectory"));
        DefaultSession session =
                new DefaultSession(ms, mock(RepositorySystem.class), Collections.emptyList(), null, null, null);

        assertEquals(Paths.get("myRootDirectory"), session.getRootDirectory());
    }

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

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Map;
import java.util.stream.Collectors;

import org.apache.maven.api.Session;
import org.apache.maven.api.services.SettingsBuilder;
import org.apache.maven.api.services.SettingsBuilderRequest;

        return build(session, globalSettingsSource, null, userSettingsSource);
    }

    /**
     * Builds the effective settings of the specified settings paths.
     *
     * @return the result of the settings building, never {@code null}
     * @throws SettingsBuilderException if the effective settings could not be built
     */
    @Nonnull

 * under the License.
 */
package org.apache.maven.internal.impl.model;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;

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

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

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.Optional;

import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;

import javax.inject.Singleton;
import javax.xml.stream.XMLStreamException;

import java.io.IOException;
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;

import org.apache.maven.api.feature.Features;

 * under the License.
 */
package org.apache.maven.internal.impl;

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

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;
import java.util.stream.Collectors;

import org.apache.maven.RepositoryUtils;
import org.apache.maven.api.*;
import org.apache.maven.api.annotations.Nonnull;