* @return A list of projects that have been found in the specified POM files.
     * @throws ProjectBuildingException In case the POMs are not used.
     */
    List<MavenProject> selectProjects(List<File> files, MavenExecutionRequest request) throws ProjectBuildingException;

    public List<MavenProject> collectProjects(MavenExecutionRequest request) throws ProjectBuildingException {
        List<File> files = Collections.singletonList(request.getPom().getAbsoluteFile());
        return projectsSelector.selectProjects(files, request);
    }

    @Inject
    public DefaultProjectsSelector(ProjectBuilder projectBuilder) {
        this.projectBuilder = projectBuilder;
    }

    @Override
    public List<MavenProject> selectProjects(List<File> files, MavenExecutionRequest request)
            throws ProjectBuildingException {
        ProjectBuildingRequest projectBuildingRequest = request.getProjectBuildingRequest();

        File moduleProjectPomFile = getRootProject(request);
        List<File> files = Collections.singletonList(moduleProjectPomFile.getAbsoluteFile());
        try {
            List<MavenProject> projects = projectsSelector.selectProjects(files, request);
            boolean isRequestedProjectCollected = isRequestedProjectCollected(request, projects);
            if (isRequestedProjectCollected) {
                return projects;
            } else {