this.session = session;
        this.project = project;
        this.mojoExecution = mojoExecution;
        this.mojo = mojo;
        this.cause = cause;
    }

    public MavenSession getSession() {
        return session;
    }

    public MavenProject getProject() {
        return project;
    }

    #  Basically you don't need to specify this if the project style is as follows:
    #
    #   *Java Project Style
    #     If this value is '../src/main/java' and your project is under the Maven,
    #     you don't need to set up this property!
    #
    #     {app-project}
    #         |
    #         |-dbflute_[project]
    #         |       |-dfprop
    #         |       |-...
    #         |

        public CacheKey(
                MavenProject project,
                List<RemoteRepository> repositories,
                Collection<String> scopesToCollect,
                Collection<String> scopesToResolve,
                boolean aggregating,
                RepositorySystemSession session) {

            groupId = project.getGroupId();
            artifactId = project.getArtifactId();
            version = project.getVersion();

 */
public abstract class GradleJavadocsPlugin implements Plugin<Project> {

    @Inject
    protected abstract FileSystemOperations getFs();

    @Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();

        GradleDocumentationExtension extension = project.getExtensions().getByType(GradleDocumentationExtension.class);

import org.apache.maven.project.MavenProject;

/**
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 * @since 3.0
 */
public class PhaseRecorder {
    private String lastLifecyclePhase;

    private final MavenProject project;

    public PhaseRecorder(MavenProject project) {
        this.project = project;
    }

import org.apache.maven.plugin.version.PluginVersionResolutionException;
import org.apache.maven.plugin.version.PluginVersionResolver;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.artifact.InvalidDependencyVersionException;
import org.apache.maven.settings.Settings;
import org.codehaus.plexus.PlexusContainer;

    /**
     * Gets the project to resolve dependencies for.
     *
     * @return The project to resolve dependencies for or {@code null} if not set.
     */
    MavenProject getMavenProject();

    /**
     * Sets the project to resolve dependencies for.
     *
     * @param project The project to resolve dependencies for, may be {@code null}.
     * @return This request for chaining, never {@code null}.

            SourceRoot newSourceRoot = new DefaultSourceRoot(project.getBaseDirectory(), scope, this.getDelegate());
            sourcesList.set(index, newSourceRoot);

            // Update the project's sources, preserving order
            project.sources.clear();
            project.sources.addAll(sourcesList);
        }
    }

        setGroupId(plugin.getGroupId());
        setArtifactId(plugin.getArtifactId());

        setRepositorySession(session.getRepositorySession());

        MavenProject project = session.getCurrentProject();
        if (project != null) {
            setRepositories(project.getRemotePluginRepositories());
        }
    }

    /**
     * Creates a request for the specified plugin using the given repository session and plugin repositories.

    <module>maven-compat</module>
    <module>maven-toolchain-model</module>
    <module>maven-toolchain-builder</module>
  </modules>

  <properties>
    <project.directory>compat</project.directory>
  </properties>