//
    // The graph is:
    // aProject -> bProject
    //        | -> dProject
    //        | -> eProject
    // bProject -> cProject
    //        | -> dProject
    //        | -> eProject
    // cProject -> dProject
    //        | -> eProject
    // dProject -> eProject
    //
    // When getting the non-transitive, downstream projects of aProject with a whitelist of aProject, dProject,

    Path getRootDirectory();

    /**
     * Returns project parent project, if any.
     * <p>
     * Note that the model may have a parent defined, but an empty parent
     * project may be returned if the parent comes from a remote repository,
     * as a {@code Project} must refer to a buildable project.
     *
     * @return an optional containing the parent project
     * @see Model#getParent()
     */
    @Nonnull

Alejandra <******@****.***> 1765199094 +0100

Motov Yurii <******@****.***> 1765966501 +0100

Sebastián Ramírez <******@****.***> 1766004103 -0800

Motov Yurii <******@****.***> 1765488303 +0100

Motov Yurii <******@****.***> 1765966623 +0100

    }

    @Test
    void testBDependencies() {
        final List<MavenProject> bProjects = stub.getUpstreamProjects(ProjectDependencyGraphStub.B, false);
        assertEquals(1, bProjects.size());
        assertTrue(
                bProjects.contains(ProjectDependencyGraphStub.A),
                "Expected " + bProjects + " to contain " + ProjectDependencyGraphStub.A);
    }

    @Test
    void testCDependencies() {

                    </build>
                </project>
                """;

            Document moduleADoc = Document.of(moduleAPomXml);
            Document moduleBDoc = Document.of(moduleBPomXml);

            Map<Path, Document> pomMap = new HashMap<>();
            pomMap.put(Paths.get("project", "module-a", "pom.xml"), moduleADoc);
            pomMap.put(Paths.get("project", "module-b", "pom.xml"), moduleBDoc);

        MavenProject project = result.get(0).getProject();
        // verify a few typical parameters are not duplicated
        assertEquals(1, project.getTestCompileSourceRoots().size());
        assertEquals(1, project.getCompileSourceRoots().size());
        assertEquals(1, project.getMailingLists().size());
        assertEquals(1, project.getResources().size());
    }

    @Test