*   <li>In standard Maven project locations relative to the specified path</li>
         * </ul>
         *
         * @param project the path to search for a POM file
         * @return the path to the located POM file, or null if no POM can be found
         * @throws NullPointerException if project is null
         */
        @Nullable
        Path locateExistingPom(@Nonnull Path project);
    }

    /**

    /**
     * Add a resource directory to the project.
     * @param project project reference.
     * @param resourceDirectory directory.
     * @param includes include patterns.
     * @param excludes exclude patterns.
     */
    void addResource(MavenProject project, String resourceDirectory, List<String> includes, List<String> excludes);

                  <project path="$PROJECT_DIR$/build-logic/binary-compatibility" />
                  <project path="$PROJECT_DIR$/build-logic/build-init-samples" />
                  <project path="$PROJECT_DIR$/build-logic/build-update-utils" />
                  <project path="$PROJECT_DIR$/build-logic/buildquality" />
                  <project path="$PROJECT_DIR$/build-logic/cleanup" />

        initRepoSession(request, configuration);

        List<MavenProject> projects = new ArrayList<>();

        if (pom != null) {
            MavenProject project = projectBuilder.build(pom, configuration).getProject();

            projects.add(project);
            if (includeModules) {
                for (String module : project.getModules()) {
                    File modulePom = new File(pom.getParentFile(), module);

        long weightB = comparator.getProjectWeight(projectB);
        long weightC = comparator.getProjectWeight(projectC);
        long weightX = comparator.getProjectWeight(projectX);

        // Project A should have the highest weight as it's at the root
        assertTrue(weightA > weightB, "Project A should have weight > Project B");
        assertTrue(weightA > weightC, "Project A should have weight > Project C");

  project from another, maven requires a minimum set of elements to be specified
  in each project's pom.xml.

   - [modelVersion] tells maven which version of the object model this project
       is compliant with (to support future legacy concerns)

   - [artifactId] tells maven what the artifact name is for this particular
       project. Each project should have a distinct artifactId.

        ProjectBuildingException exception = new ProjectBuildingException(results);
        String message = exception.getMessage();

        assertTrue(message.contains("[unknown project]"), "Message should handle unknown project gracefully");
    }

        private void injectReactorDependency(List<MavenProject> projects, String moduleFrom, String moduleTo) {
            for (MavenProject project : projects) {
                if (moduleFrom.equals(project.getArtifactId())) {
                    Dependency dependency = new Dependency();
                    dependency.setArtifactId(moduleTo);
                    dependency.setGroupId(project.getGroupId());

    <!-- Fixed date for reproducible build -->
    <project.build.outputTimestamp>1980-02-01T00:00:00Z</project.build.outputTimestamp>
  </properties>

  <build>
    <directory>${project.basedir}/target</directory>
    <outputDirectory>${project.build.directory}/classes</outputDirectory>
    <finalName>${project.artifactId}-${project.version}</finalName>
    <testOutputDirectory>${project.build.directory}/test-classes</testOutputDirectory>

 * the {@code /project/subprojects/subproject} elements of the POM in the aggregator project.
 * Note that the aggregator project is required to have a {@code pom} packaging.</p>
 *
 * <p><dfn>Project inheritance</dfn> defines a parent-child relationship between projects.
 * The <dfn>child project</dfn> inherits all the information from the <dfn>parent project</dfn>
 * POM.</p>
 *
 */