this.toolchainManagerPrivate = toolchainManagerPrivate;
    }

    @Override
    public List<Toolchain> getToolchains(Session session, String type, Map<String, String> requirements)
            throws ToolchainManagerException {
        MavenSession s = InternalMavenSession.from(session).getMavenSession();
        List<org.apache.maven.toolchain.Toolchain> toolchains =

    @Override
    public void execute(MavenSession session) {
        eventCatapult.fire(ExecutionEvent.Type.SessionStarted, session, null);

        ReactorContext reactorContext = null;
        ProjectBuildList projectBuilds = null;
        MavenExecutionResult result = session.getResult();

        try {
            if (buildExecutionRequiresProject(session) && projectIsNotPresent(session)) {

                lifecyclePluginResolver.resolveMissingPluginVersions(session.getTopLevelProject(), session);

                MojoDescriptor mojoDescriptor =
                        mojoDescriptorCreator.getMojoDescriptor(task, session, session.getTopLevelProject());

                boolean aggregating = mojoDescriptor.isAggregator() || !mojoDescriptor.isProjectRequired();

     */
    @Nonnull
    default ProjectBuilderResult build(@Nonnull Session session, @Nonnull Source source) {
        return build(ProjectBuilderRequest.build(session, source));
    }

    /**
     * Creates a {@link org.apache.maven.api.Project} from a POM file.
     *
     * @param session the {@link Session}, must not be {@code null}
     * @param path the {@link Path}, must not be {@code null}

        return ArtifactCoordinateFactoryRequest.builder()
                .session(nonNull(session, "session"))
                .coordinateString(nonNull(coordinateString, "coordinateString"))
                .build();
    }

    @Nonnull
    static ArtifactCoordinateFactoryRequest build(@Nonnull Session session, @Nonnull ArtifactCoordinate coordinate) {

import org.apache.maven.api.Project;
import org.apache.maven.api.Session;
import org.apache.maven.execution.ExecutionEvent;

public class DefaultEvent implements Event {
    private final InternalMavenSession session;
    private final ExecutionEvent delegate;

    public DefaultEvent(InternalMavenSession session, ExecutionEvent delegate) {
        this.session = session;
        this.delegate = delegate;
    }

    @Override

                final Map<String, String[]> resultDocIdsCache = getResultDocIdsCache(session);
                resultDocIdsCache.put(queryId, docIdList.toArray(new String[docIdList.size()]));
            }
        });
    }

    public String[] getResultDocIds(final String queryId) {
        return LaRequestUtil.getOptionalRequest().map(req -> req.getSession(false)).map(session -> {

    }

    @NotThreadSafe
    class ToolchainsBuilderRequestBuilder {
        Session session;
        Source globalToolchainsSource;
        Source userToolchainsSource;

        public ToolchainsBuilderRequestBuilder session(Session session) {
            this.session = session;
            return this;
        }

public class DefaultDependency implements Dependency {

    private final InternalSession session;
    private final org.eclipse.aether.graph.Dependency dependency;
    private final String key;

    public DefaultDependency(
            @Nonnull InternalSession session, @Nonnull org.eclipse.aether.graph.Dependency dependency) {
        this.session = nonNull(session, "session");
        this.dependency = nonNull(dependency, "dependency");

            return null;
        });
    }

    private OptionalThing<HttpSession> getSession() {
        final HttpSession session = request.getSession(false);
        if (session != null) {
            return OptionalEntity.of(session);
        }
        return OptionalEntity.empty();
    }