}

    @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) {

     *
     * @param project the project
     * @param scope the scope, i.e. usually main or test
     * @return the list of compile source roots
     */
    @Nonnull
    List<Path> getCompileSourceRoots(@Nonnull Project project, @Nonnull ProjectScope scope);

    /**
     * Add a compilation source root to the given project for the given scope.