<artifactId>maven-compiler-plugin</artifactId>
  <version>0.1</version>
  <packaging>maven-plugin</packaging>

  <name>Maven Integration Test Plugin</name>
  <description>
    A test plugin to assist testing of Maven core.
  </description>
  <inceptionYear>2009</inceptionYear>

  <distributionManagement>
    <repository>
      <id>maven-core-it</id>
      <url>file:///${basedir}/repo</url>
    </repository>

    <version>4.0.0-beta-1-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-model</artifactId>

  <name>Maven 4 API :: Model</name>
  <description>Maven 4 API - Immutable Model for Maven POM (Project Object Model).</description>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-meta</artifactId>
    </dependency>
    <dependency>

import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.model.building.ModelSource;

/**
 * Builds in-memory descriptions of projects.
 */
public interface ProjectBuilder {

    /**
     * Builds a project descriptor from the specified POM file.
     *
     * @param projectFile The POM file to build the project from, must not be {@code null}.

     *       then builds a singleton map with the module name declared in that descriptor.</li>
     *   <li><b>Module hierarchy:</b> if {@code module-info.class} files are found in sub-directories,
     *       at a deep intentionally restricted to one level, then builds a map of module names found
     *       in the descriptor of each sub-directory.</li>
     * </ul>
     *

import org.apache.maven.model.Plugin;
import org.apache.maven.plugin.descriptor.PluginDescriptor;
import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.aether.repository.RemoteRepository;
import org.eclipse.aether.repository.WorkspaceRepository;

/**
 * Caches raw plugin descriptors. A raw plugin descriptor is a descriptor that has just been extracted from the plugin

        final PluginDescriptor descriptor = new PluginDescriptor();
        descriptor.setGroupId(plugin.getGroupId());
        descriptor.setArtifactId(plugin.getArtifactId());
        descriptor.setPlugin(plugin);
        descriptor.setVersion(plugin.getVersion());
        final MojoDescriptor mojoDescriptor = new MojoDescriptor();
        mojoDescriptor.setPluginDescriptor(descriptor);
        return mojoDescriptor;
    }

     * @return The extracted descriptor or {@code null} if no descriptor was found.
     * @throws IOException If the descriptor is present but could not be parsed.
     */
    public ExtensionDescriptor build(File extensionJar) throws IOException {
        ExtensionDescriptor extensionDescriptor = null;

        if (extensionJar.isFile()) {

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

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.plugin.descriptor.PluginDescriptor;
import org.apache.maven.api.plugin.descriptor.lifecycle.Lifecycle;

/**
 * Represents a maven plugin runtime
 *
 * @since 4.0.0
 */
@Experimental
public interface Plugin {

    @Nonnull

import org.eclipse.aether.resolution.VersionResolutionException;
import org.eclipse.aether.resolution.VersionResult;
import org.eclipse.aether.transfer.ArtifactNotFoundException;

/**
 * Default artifact descriptor reader.
 */
@Named
@Singleton
public class DefaultArtifactDescriptorReader implements ArtifactDescriptorReader {
    private final RemoteRepositoryManager remoteRepositoryManager;