protected abstract String getProjectsDirectory();

    protected PlexusContainer getContainer() {
        return container;
    }

    protected File getProject(String name) throws Exception {
        File source = new File(new File(getBasedir(), getProjectsDirectory()), name);
        File target = new File(new File(getBasedir(), "target"), name);

            }
        }
        return allProjects;
    }

    private Map<String, Map<String, Map<String, MavenProject>>> getProjects() {
        // compute the projects mapping
        if (projects == null) {
            List<MavenProject> projects = session.getProjects();
            if (projects != null) {
                Map<String, Map<String, Map<String, MavenProject>>> map = new HashMap<>();

            this.request = request;
            this.projectBuildingResult = projectBuildingResult;
            this.pomFile = projectBuildingResult.getPomFile();
            this.project = projectBuildingResult.getProject();
        }
    }

    class BuildSession implements AutoCloseable {
        private final ProjectBuildingRequest request;
        private final RepositorySystemSession session;

     * @see #getTopDirectory()
     * @see Project#getRootDirectory()
     */
    @Nonnull
    Path getRootDirectory();

    @Nonnull
    List<Project> getProjects();

    /**
     * Returns the plugin context for mojo being executed and the specified
     * {@link Project}, never returns {@code null} as if context not present, creates it.
     *