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

import java.nio.file.Path;
import java.util.List;

import org.apache.maven.api.Service;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.settings.Settings;

/**

import org.eclipse.aether.deployment.DeployResult;
import org.eclipse.aether.deployment.DeploymentException;

import static org.apache.maven.internal.impl.Utils.nonNull;

/**
 * Implementation of {@link ArtifactDeployer} service.
 */
@Named
@Singleton
public class DefaultArtifactDeployer implements ArtifactDeployer {

    @Override
    public void deploy(@Nonnull ArtifactDeployerRequest request) {
        nonNull(request, "request");

 * One notable exception is the computation of the early {@code session.rootDirectory}
 * property which happens very early.  The implementation used in this case
 * will be discovered using the JDK service mechanism.
 *
 * The default implementation will look for a {@code .mvn} child directory
 * or a {@code pom.xml} containing the {@code root="true"} attribute.
 */
public interface RootLocator {

    @SuppressWarnings("unchecked")
    public <T extends Service> T getService(Class<T> clazz) throws NoSuchElementException {
        T t = (T) services.computeIfAbsent(clazz, this::lookup);
        if (t == null) {
            throw new NoSuchElementException(clazz.getName());
        }
        return t;
    }

    private Service lookup(Class<? extends Service> c) {
        try {
            return lookup.lookup(c);

import java.util.function.Consumer;

import org.apache.maven.api.Service;
import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.model.Dependency;
import org.apache.maven.api.model.Parent;

/**
 * Resolves a POM from its coordinates.
 */
public interface ModelResolver extends Service {

    /**

package org.apache.maven.api.services;

import java.util.Collections;
import java.util.List;

import org.apache.maven.api.annotations.Experimental;

/**
 * The Exception class throw by the {@link ProjectBuilder} service.
 *
 * @since 4.0.0
 */
@Experimental
public class ModelBuilderException extends MavenException {

    private final ModelBuilderResult result;

    /**