}

    @Override
    public List<Path> getCompileSourceRoots(Project project, ProjectScope scope) {
        MavenProject prj = getMavenProject(nonNull(project, "project"));
        List<String> roots;
        if (nonNull(scope, "scope") == ProjectScope.MAIN) {
            roots = prj.getCompileSourceRoots();
        } else if (scope == ProjectScope.TEST) {
            roots = prj.getTestCompileSourceRoots();
        } else {

    /**
     * Get the list of resources for the given project and scope
     *
     * @param project the project
     * @param scope the scope, i.e. usually main or test
     * @return the list of resources
     */
    List<Resource> getResources(@Nonnull Project project, @Nonnull ProjectScope scope);

    /**

    Packaging requirePackaging(@Nonnull String id);

    /**
     * Obtain the {@link ProjectScope} from the specified {@code id}.
     * <p>
     * Shortcut for {@code getService(ProjectScopeRegistry.class).require(...)}.
     *
     * @see org.apache.maven.api.services.ProjectScopeRegistry#require(String)
     */
    @Nonnull
    ProjectScope requireProjectScope(@Nonnull String id);

    /**