public Optional<Path> getPath(@Nonnull Artifact artifact) {
        String id = id(requireNonNull(artifact, "artifact cannot be null"));
        if (session.getMavenSession().getAllProjects() != null) {
            for (MavenProject project : session.getMavenSession().getAllProjects()) {
                if (id.equals(id(project.getArtifact()))
                        && project.getArtifact().getFile() != null) {

                .filter(this.whiteList::containsKey)
                .toList();
    }

    /**
     * @since 3.5.0
     */
    @Override
    public List<MavenProject> getAllProjects() {
        return this.projectDependencyGraph.getAllProjects();
    }

    @Override
    public List<MavenProject> getSortedProjects() {
        return new ArrayList<>(sortedProjects);
    }

    @Override

 */
public interface ProjectDependencyGraph {

    /**
     * Gets all collected projects.
     *
     * @return All collected projects.
     *
     * @since 3.5.0
     */
    List<MavenProject> getAllProjects();

    /**
     * Gets all projects in their intended build order, i.e. after topologically sorting the projects according to their
     * interdependencies.
     *

        dependencies.add(new Dependency(Y, B));
        dependencies.add(new Dependency(Z, C));
        return dependencies;
    }

    @Override
    public List<MavenProject> getAllProjects() {
        return Arrays.asList(A, B, C, X, Y, Z, UNKNOWN);
    }

    @Override
    public List<MavenProject> getSortedProjects() {

            this.projects.put(id, project);
            this.order.put(project, index);
        }
    }

    /**
     * @since 3.5.0
     */
    @Override
    public List<MavenProject> getAllProjects() {
        return this.allProjects;
    }

    @Override
    public List<MavenProject> getSortedProjects() {
        return new ArrayList<>(sorter.getSortedProjects());
    }

    @Override

        this.projects = null;
    }

    public BuildPlan(Map<MavenProject, List<MavenProject>> projects) {
        this.projects = projects;
    }

    public Map<MavenProject, List<MavenProject>> getAllProjects() {
        return projects;
    }

    public Map<String, String> aliases() {
        return aliases;
    }

    public Stream<MavenProject> projects() {
        return plan.keySet().stream();
    }