* under the License.
 */
package org.apache.maven.graph;

import java.io.File;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;

import org.apache.maven.MavenExecutionException;
import org.apache.maven.execution.MavenExecutionRequest;
import org.apache.maven.project.MavenProject;
import org.slf4j.Logger;

    @Override
    public Path getRootDirectory() {
        return project.getRootDirectory();
    }

    @Override
    public Optional<Project> getParent() {
        MavenProject parent = project.getParent();
        return parent != null ? Optional.of(session.getProject(parent)) : Optional.empty();
    }

    @Nonnull
    private DependencyCoordinate toDependency(org.apache.maven.api.model.Dependency dependency) {

    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.6</version>
      <optional>true</optional>
    </dependency>
    <dependency>
      <groupId>logkit</groupId>
      <artifactId>logkit</artifactId>
      <version>1.0.1</version>
      <optional>true</optional>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>

            @Override
            public <T> Optional<T> lookupOptional(Class<T> type) {
                try {
                    return Optional.of(injector.getInstance(type));
                } catch (DIException e) {
                    return Optional.empty();
                }
            }

            @Override
            public <T> Optional<T> lookupOptional(Class<T> type, String name) {

    public <T> T lookup(Class<T> type, String name) {
        return null;
    }

    @Override
    public <T> Optional<T> lookupOptional(Class<T> type) {
        return Optional.empty();
    }

    @Override
    public <T> Optional<T> lookupOptional(Class<T> type, String name) {
        return Optional.empty();
    }

    @Override
    public <T> List<T> lookupList(Class<T> type) {
        return List.of();
    }

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

import java.util.List;
import java.util.Optional;

import org.apache.maven.api.Artifact;
import org.apache.maven.api.Dependency;
import org.apache.maven.api.Node;
import org.apache.maven.api.RemoteRepository;
import org.apache.maven.api.annotations.Nonnull;

     *
     * @return the current project or {@code empty()} if not applicable
     */
    @Nonnull
    Optional<Project> getProject();

    /**
     * Gets the current mojo execution (if any).
     *
     * @return the current mojo execution or {@code empty()} if not applicable
     */
    @Nonnull
    Optional<MojoExecution> getMojoExecution();

    /**
     * Gets the exception that caused the event (if any).
     *

                }

                @Override
                public Optional<Repository> getRepository(Version version) {
                    ArtifactRepository repo = repos.get(version.toString());
                    if (repo instanceof org.eclipse.aether.repository.LocalRepository) {
                        return Optional.of(

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

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

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

            throws InvalidVersionSpecificationException {
        VersionRange versionRange = VersionRange.createFromVersionSpec(version);

        return artifactFactory.createDependencyArtifact(
                GROUP_ID, id, versionRange, "jar", null, scope, inheritedScope, optional);
    }